Slight clunk when accelerating

  • The CV joints and shafts, together called 1/2 shafts are what transfers power from the transmission to the front wheels on a FWD vehicle. A clunk, whine, or howl can signal a worn-out pinion gear, bad bearings, or aI've had the "famous" Silverado clunk since I bought my truck. 6 and 2. About 1 3/4 play. but when i gently press it there is no clunk. I also want to say then when the clunk does occur when idling or in park. Didn't work. When accelerating from a dead stop, there's a slight hesitation before the truck bites and goes forward. 1 warnings throughoutthismanual,thefollowingsignalwordsandsymbolsare usedtoalertyoutopotentialhazards. Technician B says a worn U-joint can cause a clicking sound when driving the vehicle in reverse. It sounds like you are describing ‘detonation’ which is often referred to as ‘pinging’ or ‘knocking. The dealer and a transmission specialist told me that there was nothing I could do to fix it. Then the CV joints get worse and louder if the problem is ignored. obeyallmessagesand instructions 16. Contact your dealer or UFP if the clunk becomes excessive, or if you have any concerns about the performance of your brake system. 2010 · I have a 05 Tacoma with a 6-speed manual transmission and the V6 with about 74,000 miles. comYour car shakes while driving down the highway, the steering wheel vibration is driving you crazy, and without you even realizing it, it's causing you to feel tired. Hi everybody Car is a 1992 300TE with 150 kmiles. 2018 · I took delivery of a 2016 Sierra Denali (5. Ive been reading lots of forums and havent come across anything like this before. 4 Triton. there is no real noise more like the sensation in the body of the truck. The problem worsens at 2000-2500 rpms and 50 mph. I'm experiencing a slight clunk/thud in the rear end when accelerating from a dead stop. The clunk noise that owners sometimes hear may be the result of a buildup of freeplay (lash) between the components in the driveline. obeyallmessagesand instructions Breakaway cable clips See installation instructions in this manual A-60 A-75 A-84 OWNER’S MANUAL AND USER’S INSTRUCTIONS MODELS A-60, A-75 & A-8423. No audible noise when driving, maybe a slight clunk when taking off. For example, the potential for a driveline clunk would be greater in a 4-wheel drive or all-wheel drive vehicle than a 2-wheel drive vehicle. Again, it's very slight, and I can avoid it by creeping to a stop or accelerating extremely slowly. It generally merits a drivetrain swap. 2008 Dodge Ram 1500 QC 4X4 5. Kind of like having a small can of soda lying on the floor and rolling into the seat frame. Also jerks from Park to Reverse most of the time, some times it's not as rough but when it is, there's a clunk sound. Discussion in 'Stock 2002 - 2005 Explorers' started by jvano, May 18, 2011. So I try to slowly drive it back (on side streets) and it's making the clunk noise constantly and consistently. 6. There is always going to be some slight drag on the transmission, even if the clutch is depressed. The clunk can get rather irritating - when coming to a stop as well as taking off. The culprit could be bad tie rods if the Slight clunk When I shift in 1,2,and 3rd when I release the clutch it makes a slight clunk. slight clunk when accelerating Dallas discusses some common noise that you may hear from your transmission and what you should about it. i pulled the cranks off (they were on tight and solid) and one side of the bottom bracket had come unscrewed. 2002, problem went away temporarily, came back and returned to dealer. \n. 6-litre engine with 114bhp opens proceedings and then it’s the 148bhp and 174bhp 2. One clunk when accelerating (but now repeated clunks) and another A transmission can prompt a whining noise if the operating system has malfunctioned, the gears are not operating correctly or the transmission fluid needs to be changed. 0-litre units. Taking the time to ensure that the root issue has been found will pay off in the long-term, both for the customer and for the shop’s reputation. Is your Escalade currently with the dealership or in your possession? While accelerating gently from stop, shifting from 1 to 2,it makes a CLunk/Thump noise. This morning I was driving to work and when I let off the accelerator my 99 Taco make a clunk right under my right foot. Yes, got a clunk noise when I'm coasting, but not when I'm accelerating or braking. Slight "clunk" as it shifts into 2nd. Clunk could be the c/v joint or the sway bar link. 2016 · Shifts smooth when accelerating. Slight i too have a small click / clunk when the drive is being taken up recently when i was cleaning my engine bay i thought i would try and see wtf it was i shook the engine (when it was off) and there is movement on the gearbox side of the engine I'm assuming engine/gearbox mount has gone , its done this for ages but the strange thing was when i When I’m accelerating about 10mph from a junction or from starting the car and driving off from a car park, the car seems to always give off a loud clunk/click type of noise. 9xx Automatic Transmission; NAG 2 (New Automatic Gearbox 2) 7G-Tronic (7G Tronic Plus since 2010) One of the main differences between the 722. Reminds me of a bad u joint. Yes, often when turning sharp right from a standstill and accelerating. 2011 · Hey guys, So, when I bought my 2007 F-150 FX4 a year ago, I noticed some slight 'shake' in the steering wheel on the test drive. 12. Learn about this problem, why it occurs, and how to fix it. At the first start of acceleration only when I am in 2 wheel drive I am hearing a slight clunk noise comming from the rearend. - 115 reports. Both of these parts are made with rubber that is very soft to reduce road and gear noise inside the car. I cannot hear any noises and can distinguish the vibrations from when my MDS kicks in. It can be felt as a …11. 09/20/06 79986 km I may test that 1 hr estimate on the right side soon. Transmission shudder is a common problem with many possible causes. Is this normal and should it be doing this all the time even when already moving, stopping at a junction and moving off again? My mysterious clunk appeared at random over some time. Thinking about putting new ball joints on since it's got over 130k miles. Squealing When Accelerating. I was driving today when I heard a “pop” noise — like something broke or snapped — and the car stopped accelerating. 08. I added more grease and exercised it some. Jump to Index. Question Loud clunk while accelerating and letting off the gas If this is your first visit, be sure to check out the FAQ by clicking the link above. This list is by no means exhaustive. My manual transmission does clunk, especially from neutral to first, and first to second. In Car Sounds. 0-litre variants. It happens almost everytime it upshifts from 4th to 5th gear on city driving. There are two types of motors. Makes me wonder if is something is going wrong. This database includes information received by NHTSA from consumers either directly or as recorded by the Vehicle Safety Hotline. The Model T from the World Wide Web. Breakaway cable clips See installation instructions in this manual A-60 A-75 A-84 OWNER’S MANUAL AND USER’S INSTRUCTIONS MODELS A-60, A-75 & A-84 Dealing with Hyundai Tucson transmission problems? Find out your rights Under the lemon law, you could get a new car or refund. Power Train Problem on the 2007 CHEVROLET SILVERADO. It also makes the noise if the car is off and i move the steering wheel there is a clunk type noise. After taking my foot off the gas I can hear the clunk when the transmission shifts. I'm the original owner and all the scheduled maintenance done. A 1. To replicate it i have to accelerate and then brake again. I'm getting a loud humming/vibrating/knocking noise - like someone knocking on a door, only less loud - when accelerating and when I stop accelerating, the noise stops, but the actual vibration with a slight knocking noise doesn't seem to end until the car comes to a complete stop. I could drive around block all day and it would only clunk the very first time. Seems to happen when turning the wheel right and going over bumps. TSB 4-22-7. I've always had a slight clunk when driving, mostly when shifting weight load from accelerating or in decreased speeds, Well I was driving to work friday morning when trying to accelerate from a stop light heard a loud clunk in the rear end and felt like a loss of power when going. While Accelerating To 75mph Or So, Up Slight Hill From 65-70 Mph Went To Pass A Vehicle Then Truck Lost Vast Majority Of power Even With All The Way Down And Began To Violently Shake. At fist I just thought it was something in the boot or gas locker, but no eventually traced to a loose tow bar, which had obviously got worse as the problem had occurred over a couple of tours. Complaint: Check for a slight clunk on light accel, felt thru floor board from a complete stop. Last week, I pointed the noise to a technician at my dealer and he diagnosed it as the cam adjuster lurching backward as the car moves forward. Corrrection: check for driveline clunk. It seems to be around the lower speeds (40mph and less), it was doing it quite a bit around 20mph. At times, not always, shifting from Park or from Reverse into Drive, there's a clunk, bump, or some such sound, accompanied by a very slight jolt, as if the transmission …1 warnings throughoutthismanual,thefollowingsignalwordsandsymbolsare usedtoalertyoutopotentialhazards. So is the rear wheel is spinning when you here this clunk? Are you positive it's not the chain? With 15000 miles on it (I'm assuming it's the original chain) there will be a tight spot and it will make a noise when it is in motion and I've noticed it's pretty noticeable when the bike is on the stand and in 1st gear but spinning without giving it throttle like when I'm lubing my chain. I've laid under the truck while my brother pushes down on the rear bumper repeatedly and it seems that the rear driveshaft slides in and out of the transfer case about 1/8 inch (normal?) and I can hear a slight clunk coming from the transfer case. Mines done 31. Passat (B5) :: Faint Clunk Noise When Accelerating From A Standstill. The car makes the same clunk noise in traffic starting from 0 accelerating to 10-15mph and letting go of the gas peddle OR when resuming acceleration. When I take it in to the dealer, they cant find anything. Note. I read through other posts and didn't come across this, but from what I've read online, a slight clunking sound from the trailer/actuator when you accelerate from a stopped position is normal. The u joints on my 2007 Toyota Tacoma deteriorated to the point in which I was forced to replace them, multiple times. How to search this page While holding down the CTRL (control) key on the keyboard, press the F keyboard key. I am a new owner of a 06 CRD. While there is no help for our singing, we can help you diagnose the sounds coming from a differential gone bad. Strange pop in front end on acceleration - posted in Handling, Brakes and Tires: I have a strange pop or clunk after braking for a stop and then accelerating. When accelerating from a dead stop briskly I feel a slight clunk or thump as soon as the truck moves. I may also hear it as soon as I let off my foot of the gas pedal or accelerate at low speeds. If oil is present, replace the affected strut, jounce bumper and dust boot (shield). What mine feels like is a small clunk with a slight rear end slippage feel (kind of like I'm going over a small speed bump), only happens at initial acceleration. the car seems like it is stuck in gear? It might roll back 2 inches then kinda bounce to a standstill. The fan belt can loosen over time and when you start your engine and the fan belt (often called the serpentine belt) can squeal when the rubber teeth underneath it start to drag. I have an 01 Corolla with 117K miles (1ZZ-FE and C59 manual trans and front-wheel drive) that makes a single clunk under two conditions: When accelerating moderately from a stop after braking moderately to come to that stop. 2013 1. It doesnt happen if i have braked and not accelerated, seems like something moving backwards and forwards on accelerating and braking. I am noticing a clunk/thud when I put the Jeep in reverse - almost like it is delayed slightly and then I feel a thud. The sound is coming from the front and only happens one time after braking for a stop. Was told there is no repair available. It has done it accelerating around 40mph, and free wheeling, braking doesn't particularly bring it on either. The motors require little lubrication, and usually at yearly intervals. That clunk-from-stop (not the big pack-disabling one) has been reported a few times in various threads. It's making a fairly loud clunk when coming a complete stop. 3 V8, 8-Spd, 3. I just took it to the shop and we could not find anything except a little vertical movement in the steering box output shaft. It almost feels like something in the rear end is binding which I though maybe a seized brake component in the rear. If I let the car run in park for 5-10 minutes it will "clunk" again on the next turn-- engine does not need to be turned off. This clunk only happens for the first turn I make. Coasting like on a slight decline, then accelerating and get the clunk or ca-chunk sound. When properly lubed, there is a slight engagement feel. While modern cars are more reliable than ever, they still need regular maintenance and many motorists don’t notice a needed repair until something changes, particularly how the car sounds. I think its possible that the axle in my pedals is slightly bent or broken. This is your fan belt telling you it is in pain. My dealer first checked out the drivetrain and didn't find any issues. Servicing the Fast Motors. The u joints seem fine, rearend is still pretty tight. When accelerating from a dead stop, there's a slight hesitation before the truck bites and goes forward. These products are shortlisted based on the overall star rating and the number of customer reviews received by each product in the store, and are refreshed regularly. 2012 · I have a 2006 Tacoma Double Cab SR5, 4x4, automatic with ~61,000 miles. Thing is, that went away about a minute after starting on the highway (80-100km/h). A couple of months ago, my 1996 Corolla started making a slight clunk noise at the moment I engaged the accelerator - and/or at the moment I let go. 2l with 129k. When shifting gears, there's often an We have tried using the emergency brake in conjunction with the normal brake, putting the car in gear and then accelerating - it does not make the noise then either. This also happens if I am rolling in first and second in traffic and let off the gas till I am very rpms in the gear and then reapply the gas and begin acceleration again. I'm thinking it could be one of couple of things. In 1954 the Tu-16 Badger began reaching squadrons, and the Mya-4 Bison, awesome as a B-52, appeared over Moscow for the May Day parade. As for your truck sounds like your clutch is fried, there is an inspection cover on the driver side right where the transmission butts up to the motor, looks like a oval shaped rubber plug, about Stationary, when i depress clutch and engage 1st, there is a small and slight clunk as the gear is engaged (noticeable by sound and feeling through gear stick Technician A says that a defective U-joint could cause a loud clunk when the transmission is shifted between Drive and Reverse. obeyallmessagesand instructions Toyota Camry Annoying vibration while stopped and in Drive. We just drove across country towing a heavy moving trailer, and towards the end of the trip (in the mountains) the truck started to develop a vibration or pulsation only while accelerating in all gears (especially noticable at highway speeds). The "automatic" versions of the CT70 are even worse (I own one for my kids and a pit bike) with the clunking. A noticeable vibration in the chassis frame during the heavy clunk will point more toward a defective transmission mount rather than a torque converter problem. Here's the problem: When I let off the gas, unless I do it EXTREMELY delicately, I feel a clunk, like my engine shifted forward. No history on the car. I have a loud clunking noise that happens when I turn the steering wheel left and right. My 300D has developed a slight clunk at the left front. Slight clunk on accellerating from a stop? It feels as though it is from the back end of the car but there isn't anything back there that it could be. The vehicle is a Honda Civic SI '05 with standard 15" wheel tires. Breakaway cable clips See installation instructions in this manual A-60 A-75 A-84 OWNER’S MANUAL AND USER’S INSTRUCTIONS MODELS A-60, A-75 & A-84Dealing with Hyundai Tucson transmission problems? Find out your rights Under the lemon law, you could get a new car or refund. These Warranty coverage limits symptoms may also occur under 40 MPH (64 are determined by the Km/h), on tip-in, driving uphill, or towing under identified causal part. I have a 2005 Limited with 145k miles and have just recently begun experiencing what I would call a light vibration, which I can feel in the steering wheel, when slowly accelerating. Only have 43,000 miles. NOT HAPPY! I have about 800 miles on it now and I hear the occasional clunk or knock in the drivetrain they are not very loud and typically I can only hear them when the radio is off. In first and second, as I let out the clutch (whole new assembly), I can hear a very slight "clunk" noise from the back end of the car. 03. This database includes information received by NHTSA from consumers …In the engine bay there’s an all-diesel line-up of 1. I think its usually a deceleration thing, but could happen under acceleration, too, I guess. At times, not always, shifting from Park or from Reverse into Drive, there's a clunk, bump, or some such sound, accompanied by a very slight jolt, as if the transmission drops or falls into Drive without shifting smoothly. com. A clicking or popping sound from the front of the vehicle (left or right side) while accelerating from a stop may be fixed by installing a rubber gasket on the axle shaft. I finally took it into the dealer, expecting them to tighten or lube something, and they are replacing the traction motor. Usual test is changing direction, from forward to reverse or the opposite. 2014 · Occasional "Clunk" sound while accelerating near 20 mph. It gets faster as I accelerate but tends to disappear at higher speeds. I have a 98 F150 4X4 with 78000 miles, when accelerating from a stop a loud clunk occurs, it can also be felt inside the cab. Very light clunk when accelerating? when I start from a dead stop, I can hear and feel a slight clunk underneath my feet in the driver's area. Decided to look up the problem and found this thread. Steering wheel noise could be coming from a lot of different places. 3 Hrs. 7 2500. The transmissions shifts pretty crisply, and TC lock/up is very noticeable in 4th (OD), so overall the tranny seems healthy enough, at least for having 83k/mi. If it takes close to 1 second to engage you have normal wear for a higher mileage transmission (over 150,000 miles). Cause A slip/stick condition between the transfer case output shaft and the driveshaft slip yoke may cause this condition. 02. Chain must be vertical (straight up and down) under pulling load (actuator extended). 10. We don’t know which sounds worse—car guys singing show tunes in the shower or a howling differential. Then type in the term you are looking for in the …There's a clunk sound in the drivetrain when going from coasting to accelerating (or vice versa) at low speed, say below 25 MPH. Since the weather got warmer I have a clunk after a while of driving (warm suspension components) when coning to a Stop, when accelerating from a stop, at slow turns. I also have had to have my front right strut replaced and now it too has a slight clunk. It is a single (sometimes loud) clunk in the front end that can be felt. Thunk/clunk noise and jerk when accelerating from stop Post by itshotinjt04 » Sun Nov 09, 2014 12:57 am I have noticed, in my 2005 Ford Freestyle SEL, that sometimes when I begin to drive after a stop, or when I shift my car from reverse to drive, there is a clunk type noise and slight jerk. Road test. Compare the most helpful customer reviews of the best rated products in our Transmission Fluids store. slight jerk as if my truck is going into some type of overdrive mode or something. The sound can be heard in any gear and neutral, and sounds more like a sharp "metal-on-metal" scraping sound at very slow speeds. The sound is a slight but can still notice. Re: Clunk from front left wheel area Post by Nick 568 » Fri Nov 11, 2011 12:41 am Qashqai wrote: I am pretty sure a person who uses the Internet to search for a fix for a problem in his/her car drives his/her car carefully. There’s nothing quite like transmission problems to stress out the average car owner. Garage thought it might be inner tie rod end, but after replacing it the noise is still there. It is as if the whole jeep shifts backwards an inch. I'm just being paranoid because of the burnouts, cmon if the truck can't get on it a couple times then what good is it right. This requirement is relative to the amount of usage, but other factors can be involved; dust and dirt, for example can absorb the lubricant, leaving the bearings too dry to operate properly. With that said, it is natural for it to "clunk" when going into first gear from a stand still. I was very happy with my new car until I noticed a slight clunk/knock sound when I accelerated or took my foot of the accelerator pedal during stop and go driving. "Clunk, clunk, clunk,… or 1 “clunk” eraser1998 2011-01-27 19:25:48 UTC #5 I’m leaning towards needing a new axle, but if it is a single clunk each time, that would open a few more possibilities. no idea how, i thought the idea of an english bb was to be self tightening. 4. - - Single clunk when accelerating and braking (https://www. 722. The problem comes from the soft rubber torque coupling and the drive shaft center bearing mount. Called Ford motor to complain and got no satisfaction. Quite often when accelerating from a stop (usually fairly slow - I don't pound it), there seems to be a very slight delay and a bit of a "clunk" from the drive line. Hello, I have a 2015 Expedition 3. The fast motor and the slow motor. Since new this thing clunks at low speed when accelerating after coasting, or slowing for a turn. The wear symptom, is starting to click on turns while accelerating. The car has made the sound since I started driving it. . I don't feel it on the freeway. After touching the accelerator pedal it feels sluggish for 1/2 sec and then you feel the truck leap forward and accelerating ok. when coming to a stop with the foot on the brakes (lightly), as the transmission downshifts I can hear a thud/clunk coming from the rear end of my car along with a slight increase in the rpm's. Mostly, because I haven't had any issues, and also, because I've been busier with work. It's actually a pretty loud clunk. This is especially noticeable if I'm accelerating into a turn. When I'm in, say, third, and accelerate then let off, the clunk is a little audible, and i can feel it significantly. I have been noticing a 'clunk' feeling/noise when transitioning between slowing down and speeding up. 42) in November and had to take it into the dealer a week later for a transmission issue (coming to a stop the truck would shudder as Please note, protection plan details will be delivered by EMAIL ONLY, via [email protected] One or more times a day, depending on travel needs, I experience surges both at complete stops and when accelerating. It's quite soft, and hard to tell if it's coming from the rear diff, or further forward. And since the Lucerne is a Bob Lutz. I've got MKS sylvans that I've had for maybe 6 months? There is no movement in the Pedal to Crank threading. Good Morning Y'all! Need some help with identifying a small problem. I recently in the last 3 days started noticing a very slight "thud" or "clunk" coming from the front end. You may have to register before you can post: click the register link above to proceed. It does it in all gears including reverse. 4 Triton. Hi, I have had my Escalade 3 months and I too have noticed the rear end clunk. Sometimes you can feel a shudder through the brake pedal during the self test as well. Brand new 2013 Silverado 1500. Also, it seems to be coming from the front of the car. makes me curious. Nice write up, I would like to include the (TC) transfer case to this board I experienced a sudden breakage when a loud burring grinding noise came from TC while accelerating thru first 2-3 gears under light load, avoidable by creeping slowly up to speed I've had the "famous" Silverado clunk since I bought my truck. As load is changed drive line angle will change and could cause some clunk when starting off. I had an previous post for this for my truck vibrating while driving but I seem to have fixed that but now while driving around town at 30 messing Re: Slight jerk/slip when moving from a dead stop? Solve all your thunk, clunk problems by lubing the slip joint. its been doing it for a few years, and i just wanna make sure its not harming my tranny or rear end or anything. For example, from a stop I go WOT to 40MPH, then take my foot off the gas and coast. It's not very loud, but noticeable, and happens more when the engine is cold. Sometimes there can also be multiple sources of a noise. I have tried: - Lazy fix - basically removing the big nut, pushing NOTE: You may notice a slight clunk when accelerating from a dead stop or anytime after braking, which is normal due to the nature of surge brakes. A "clunk" like hesitation when accelerating from a dead stop 2 Answers Ford F250 SD V-8 5. i have DJ 2014 Limited 3. You will feel the slight clunk. 23. When I accelerate from a stop I can feel a clunk/click through the steering wheel. It doesn't happen everytime, and I never hear it in the morning when I first get going. Also, when I'm driving down the highway and I go over a small bump the car will often pull to the side momentarily (slight but noticeable). Told the dealer at my first check. Like some body bumped at back, sometimes this is faint, some times so evidentç Why does a 1991 GMC Vandura G2500 randomly make a clunk noise when accelerating and jolt the van as it were braking for a split second? The problem ended up being defective spark plug wires. You usually hear this noise when accelerating the vehicle. It's not very loud, but noticeable, and happens more when the …11. 5 eco and 6 speed tranny. And it also can be a slight push to get in to second when cold. 2011 · This never used to happen, but since my 200 passed it's second birthday, on most gentlish moves off from stationary using first gear, there is a gentle single knocking sound and slight knock feel through the drivetrain and slight extra travel before the bite. It feels like play between some gears or driveshaft. slight clunk when acceleratingThere's a clunk sound in the drivetrain when going from coasting to accelerating (or vice versa) at low speed, say below 25 MPH. 42) in November and had to take it into the dealer a week later for a transmission issue (coming to a stop the truck would shudder as Engine Problem on the 2012 FORD F-150. Most people call this a pinging or rattling sound. Why would the oil light on a 2000 Dodge Stratus come on when decelerating and go off when accelerating? Low oil pressure, maybe due to a dirty filter. You could prolly deaden it by slapping a little grease on the pad tabs Whenever I start to accelerate or decelerate or go over any bumps it will make a clunk sound in the front end. I'm thinking that the changing of the tires has been done incorrectly, but I want to go back to the shop with knowledge. Is the transmission going out ? Reply I can also hear the same clunk sound when taking my foot off the gas after accelerating. When I am in the higher gears (4+) and reach the desired cruising speed, coast for a little while, and then slightly accelerate (like trying to stay with traffic on a 2 lane country road going 50 mph in 5'th gear) there is a new clunk sound and it feels like there is some slop in the connection between the engine in the wheels for a moment and you feel a little jerk. I hope they find out what this problem is. When to Rebuild? Indeed, this is a very common question, and one that is often not easily answered. Back to mellow driving now, just had to open it up a couple times. It varies from a slight clunk to feeling like i've been rear ended. They acknowledge the issue that's about it. As the transmission warms up, it gets better but doesn’t go away. Every time I go over a slight bump, I can hear this loud rattle, almost a metal knocking noise. 6 5-Speed and 722. There's a clunk sound in the drivetrain when going from coasting to accelerating (or vice versa) at low speed, say below 25 MPH. 1994 Ferrari 348 Spider (Spyder) You've got to drive this car! The Ferrari 348 Spider elicits waves, honks, stares, and constant calls from nearby motorists and pedestrians alike. Could Have Easily Cause Accident Since Wasn’t Abble To Accelerate As Planned To Match Speed Of Other Lane. I have been experiencing this same slight clunk/knock sound when driving 30-40 mph. Installed 2 shims under steady bearing. I put it in first and take off normally from a stand still and it makes one knock/clunk sort of noise and then its fine. Unless you're having serious issues and struggling to find second gear I would say there is no issue here. I do have a slight . 2017 · Clunk from motor when going slowing down and accelerating + whining noise at 65+mph Submitted by ElectricZo on September 19, 2013 It feels like play between some gears or driveshaft. Whether your car has clunks, creeks, crunching, clicking or whining, we'll walk you through each one of these noises and tell you what they mean for your vehicle and what you need to do to take care of the problem. I have a 1999 Tahoe 4x4 with 41000 miles on it. "Hello again. Both the ABS ( anti-lock braking system) and the VDC (vehicle dynamic control) perform a self test when first accelerating to 3-6 MPH according to owners manual on mine its about 15KPH. The noise is directly associated with how fast the tires are spinning. my 07 silverado has had a slight clunk when i take off from a stop (only after a fast stop though). 06. Insufficient burning inside the engine will make the car hesitates or jerks when driving . 2009 · Re: *clunk* when accelerating/decelerating Post by MadeInJapan » 10 Feb 2009, 22:46 Also, I would suggest flushing your transmission fluid if you haven't already done this. But my main issue is the shudder I am getting a drastic vibration when my RPMs range between 1300 and 1700 Clunk/Knock noise in Honda HRV VTI-S 2015 This car has everything I need. 9 7-Speed transmissions is that in the 7G Tronic the Transmission Control Module (TCU) is integrated inside the transmission. The fast motors seem to need less maintenance than the slow motors because they are larger and better built. So I'd like to know what is causing the noise and either confirm it is okay or get it fixed. As of 13 Jul 00. noise while accelerating 20-60mph encountering a slight grade It is a “certified 2014 I recently noticed a slight clunking noise that would happen sometimes when accelerating from a complete stop. When mine is just started in near freezing weather, the wheel makes a slight clunk when I make quick steering wheel movements at low or no velocity. The clutch is smooth and the gears shift no problems. The AC vibration is normal, the engine is adjusting to the extra work it has to do when the AC is turned on. 42) in November and had to take it into the dealer a week later for a transmission issue (coming to a stop the truck would shudder as There's a clunk sound in the drivetrain when going from coasting to accelerating (or vice versa) at low speed, say below 25 MPH. I have a slight "clunk" noise in my 2004 Pilot. Tesla has a new motor mount that is supposed to fix this but there has been speculation it doesn't work all that well and it's still being worked on. So I can be stopped on a slight incline and when I accelerate I will her about 2 loud clicks (not pops or snaps, it actuall sounds like metal clicking together) or it does the same thing when I accelerate hard from a plain stop except it clicks more than twice. A "clunk" like hesitation when accelerating from a dead stop 2 Answers Ford F250 SD V-8 5. After reversing outta my spot in the morning and putting the ride into first gear I hear and feel a single clunk when I hit the gas. Re: 4L60E clunk when stopping The splines on the slip yoke in the trans were nice and oily with atf. com/forums/f170/single-clunk-when-accelerating-braking-100033/) Accelerating on a curve is a clue - the inner joint tripod is moved into a less-worn area of the joint housing, so you do not experience the binding that is causing the vibration. Slight jerk/clunk felt under driver's seat when accelerating from a stop Slight clunk felt across vehicle when coming to a dead stop. "Front suspension clunk and remedy For the past year or so , I have had the front suspension pop/clunk when stopping hard or accelerating quickly from a stop. The clunk/thud does not occur everytime I brake. Slight jerking coming from drive train when lightly accelerating and braking. Of course when I left it at the dealer the next day, they couldn't reproduce the "clunk". Twice over the last 4 days I have noticed, while lightly accelerating, a slight "clunk" feel and a change of RPMs at about 30 mph. Maybe 2 weeks later, the rattling sound came back again. So far it hasn't caused any real issues, but it still happens occasionally. when the weight and body shifts you get a slight clunk noise. This happened right after towing my travel trailer (5000lbs loaded). OR i feel something is causing a Thump noise. While these noises may be a symptom of some different issues, all are usually related to a suspension component that has failed. 4t slight jerk when accelerating after coasting Hello, This will produce a light clunk feel, though probably not enough to be concerned about. Identifying Weird Car Noises. Hello, great information. Clunking or knocking noises can be very disconcerting for any driver to hear while they are going down the road. MrVIBEMAN, I have an 06 F150 and when I bought the truck it had a slight vibration that I would get while accelerating between 45 and 65, but not while coasting or idling. Even when accelerating very gently from a stop, as the XL7 shifts into 2nd I can hear a "clunk" sound which appears to be coming Breaking hard, driving normally or accelerating doesn't cause this either. Without effective lubing, the thump/clunk can be quite irritating. 2016 · Re: Slight clunk during slow speed deceleration Post by canadiantj » Tue Feb 02, 2016 3:17 am Get your service advisor to take a ride with you and reproduce it or when you take it in, you'll get the dreaded "cannot reproduce" line and be sent on your way. 25. I have developed a "clunk" type sound in the front end sometimes when just starting out, backing up, or turning. I said it "sounds like" and I guess I was blind and didn't see the 2010. Then type in the term you are looking for in the …Through the 1950s the West was gathering intelligence about new Soviet bombers. 5 sec delay when shift from part to R or D especially when cold. It doesn't clunk when im driving along, but it does when i turn the wheel suddenly to the lkeft. Never a problem with this truck, until now. March 23, 2015. Any help or suggestions out there would greatly be appreciated. spinax Knock/Clunk noise when accelerating Recently my Lude is starting to make a bit of noise when taking off. Much better. the car made a clunk I have about 18. It can be felt as a slight vibration in the car, but, as mentioned it disappears during braking and accelerating. This could happen during acceleration, driving downhill, or gear change. I usually hear it when I start accelerating from a stop or when I after I reverse and start going forward again. The slip yoke in the middle of the driveshaft was a bit dry, but didn't feel sticky. 137 thoughts on “ Everything about your ZF 6HP26, 6HP19, 6HP28 transmission issues ” Antonio November 18, 2014 at 1:03 am. Subject: Clunk Noise When Shifting More Noticeable At Low Speeds - keywords clutch manual throttle transmission #PIP3896 - (08/28/2007) Models: 2004-2007 Cadillac CTS-V 1997-2007 Chevrolet Corvette Equipped with a Tremec 6-speed Manual Transmission The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. When braking i get a slight knock or clunk sound. 2009 · I'm getting this Clunk Noise and a slight movement in my pedals when I'm riding. Related Articles. Its enough to make you feel a slight kick in the seat of the pants when it happens, about twice a day now. 15. The transmission clunk is very normal. At lower speeds in 1st and 2nd its very noticeable but stops completely if I let off the accelerator or push in the clutch. Depressing the accelerator pedal from a stop or roll includes a "delay" in response from the vehicle, then the unexpected surge is noticed. Can you describe when and how the clunk is heard? Turning, over bumps, accelerating and then letting off of the pedal? I have had some front end noises on my 2011 Have the attorneys of Kimmel & Silverman review your Lemon Law case. Car problem(s) with the 2012 FORD F-150. From what I can gather this is a normal issue. At first I was thinking wheel bearing or CV joint, but that doesn't tend to fit if it stops when not accelerating or maintaining speed. I managed to pull my van to the curb with the engine still running, but I could not get the van to move forward or backward. So around 600 miles, I started to notice a clunk/thud coming from the rear of the truck while braking. It got worse the past month, and after searching the forums, came to the conclusion that the suspension probably needed to be tightened up. Clunk is getting worse and seems to be "clunking" both upon coming to a stop and when starting from a stop. when putting the car in drive or accelerating quickly which allows the engine to rock. A knocking sound when applying the brakes could indicate different problems, such as loose calipers, bad shock absorbers, worn constant velocity joints and failing tie rods. I've noticed an odd aspect to our 2015 Ford Mustang GT's manual transmission. Feels like a driveline clunk. Here is the deal . I have been getting a slight clunk in the driveline if I apply the brakes hard after I am accelerating. Drivetrain clunk when accelerating out of first. It was a weird feeling, like the truck wanted to slow down and a terrible sound dull clunk. It started with a single loud "CLUNCK" sound while accelerating from a stop sign on a slight hill. The frequency of the clunk's are equal to the rotation speed (Frequency) of the wheels. challengertalk. Sounds like it's happening between 2-3-4 gear, Clunk When Accelerating. Can anyone ABS brakes have a self test function - usually you hear and feel the test when you first drive away in your car. I have a 72 F250 Camper Special w/390 2bbl and C6 auto transmission, 2WD and 76K original miles. There shouldn't be any 21. Everything was fine except for a slight rattle because of the end links. The Five Overlooked Car Maintenance Items How Preventative Maintenance Can Help You Avoid Catastrophic Repair Costs Clunking Noise When Accelerating. They are, at best, inconvenient and, at worst, very expensive. There's a clunk sound in the drivetrain when going from coasting to accelerating (or vice versa) at low speed, say below 25 MPH. Scared the crap out of me, thought the car was ruined. The sound going up a hill, accelerating, or at low speeds where the engine was at an RPM below it’s powerband, the sound could be compared with a soda can with a few BBs being shaken. If it engages immediately that is a good sign you have a strong transmission. It is usually caused by a slight mistiming of clutch disengagement relative to throttle release during shifting; essentially the teeth of the gears inside the transmission are still experiencing torque during the shift, and the clunk sound is heard when they are forcefully disengaged by movement of the synchros. List of 2008 GMC ACADIA Factory Technical Service Bulletin - TSB | AutoCodes. Sometimes, the noise is not differential-related, but is caused by other driveline or axle components. With car on jack stands (or on a lift) turn the shaft in each direction to confirm. 2015 Ford Mustang GT: Manual Transmission's Thud or Clunk Sound. Some customers may comment on a clunk, bump or squawk noise when the vehicle comes to a stop or when accelerating from a complete stop. The most common 'clunk' is U joints on the drive shaft. Hey guys, I have a 2012 Sport 4dr with 3. Slight transmission clunk when accelerating. And I have a clunk when you put in to drive, but when car is warmed up it doesn't seem to be as bad. thump/clunk noise on light acceleration. no it was isolated i had already changed my upper shaft and column bearing when this started just a clunk once in awhile and under certain conditions, apperantly my dad sells alot of these boxes for this reason, i always felt it under the drivers side foward floor board, been over a year since i changed it and it has never come back On my 05, had to check the propeller shafts about every two months and grease to keep the dreaded clunk at Bay For my 2014, 2 weeks old and 800 miles and yup, you guessed it, it clunked starting from a normal stop. I felt a clunk when the engine was hot and I accelerated away from a stop. During my drivng when i release my foot on the gas and press back i hear a clunk sound. Even though I've been babying it, the problem has gradually gotten worse and creates multiple "clunk, clunk, clunk" sounds when accelerating even slightly or when traveling up a small hill. The only time we have been able to get the rattle is when the car is actually moving while accelerating from a stop. Ok, so as the title says, I have this thump/clunk sound (and I haven't met a mechanic yet who apparently knows what I mean when I say this) right before the car comes to that complete "stop". 2004 GMC 1500 4x4 It doesnt happen every time, but close to when taking off from a stop i get a clunk noise from the rear end. Chevrolet Impala Steering May Develop Clunk Noise From Upper Intermediate Steering Shaft - 161 reports. It's very annoying. When accelerating or decelerating, I feel a slight "clunk" throughout the vehicle (brake/accelerator pedal, shifter, steering wheel, seat). Hope to tighten up the suspension close to a "like new" condition as I hear a slight "clunk" sometimes when I go over a bump in the road especially at low speed. Dealer replaced driveshaft in Aug. fixed ball joints, sway bar bushings etc. You can find whole new (chinese :mad: ) shafts for less than the cost of an individual joint. This issue with the u-joints has now led to an …722. Feel free to comment, anything else you more experienced eyes only saying that because i've had what sounds like the same thing - i very slight 'clunk', felt through the pedals when accelerating, after a skid especially. heavy acceleration. noise also when turning right - We have a 2004 grand prix and it makes a noise everytime we turn right the sound is the same as if the sway bar is broke (w137 thoughts on “ Everything about your ZF 6HP26, 6HP19, 6HP28 transmission issues ” Antonio November 18, 2014 at 1:03 am. It’s vital that the technician carefully troubleshoot the issue before attempting to resolve it. 2000 V70 XC AWD with 187,000 KMs. Oiling. ’ It is caused by a small portion of the fuel air charge in a cylinder exploding (detonating) instead of burning smoothly across the combustion spa My 2014 has a slight but noticeable clunk just as the car stops and just as I start to accelerate. When accelerating or cruising the car runs absolutely fine. Above 30-35mph car was shaking like driving on flat tires. 1,035 miles on itrecently, I've noticed a "clunk" that sometimes happens when I accelerate hard and then quickly hit the brakesit's weird cuz it only does it sometimes, and when it does, I can feel it in the brake pedal (i think it's the brake pedal) and I can hear it Anyone had experienceof having a clunk sound when gas pedal is pressed. It only occurs going forward around 2mph or so. STRANGE. Its not all the time, but paticulary when not finessing the clutch much. I have a 05 Tacoma with a 6-speed manual transmission and the V6 with about 74,000 miles. Once i got an alignment it was fine, but i did notice a clunking type sound from the front end towards the passenger side. Took it in to the dealer to address this issue, but 'no course of action at this time'. When diagnosing the problem and the cause of the whining noise, take note of when the sound is occurring, such as when the engine is idle, when shifting gears, when driving at My 2011 eco boost f 150 2wd did it sooo bad sometimes coasting from a stop on a slight downhill it would damn near snap your neck. Any slop in the drive shaft thru differential can also produce a 'clunk'. Lexus RX 2010-15 :: Clunk Noise When Braking Or Accelerating To / From A Standstill. A clunk, whine, or howl can signal a worn-out pinion gear, bad bearings, or a faulty gear installation. I've noticed that when accelerating between 20-30mph (approximate), there seems to be a very slight "shudder" or vibration. I noticed a couple of weeks ago a slight clunk in the rear end when I accelerate from a dead stop. Just sort of surprised since it's a brand new vehicle and this clunking problem seems to only be happening to older F150s. When I'm driving and accelerating and the let off the gas (quickly remove foot off the pedal) I feel/hear a loud clunk. Mine does it stopping and accelerating, but it really feels like more than a little clunk. It usually happens either starting or stopping. I have changed my fluid 3 times total. Car problem(s) with the 2010 TOYOTA COROLLA. please anyone throw back infos. I can also feel/see my shift knob tilt forward slightly. 2. 2012 6. The clunk occurs when the clutch is suddenly released when there is torque on the drive shaft. I have wheeled it a total of about 20 - 25 times mostly Silver Lake Sand Dunes in Michigan. 16. Threads Tagged with acceleration . Power Train Problem on the 2010 TOYOTA COROLLA. Jun 28, 2012 #15. The OP has not approached the dealer, he asked if his issue could be a characteristic. 73 limited slip and 40k miles. Listen for a heavy clunk when shifting from neutral to reverse and back again. 5k and I get the same clunk/bang when engaging the clutch. I seem to be having a clunk noise coming from my car when braking to a standstill or accelerating from a standstill. Tech told me it is an "electrical high voltage switch" connecting and disconnecting for no good reason. Another thing I noticed was sitting at a light on a slight hill, with it in 1st, it doesnt roll. There's just this definite feel of jerk or sudden jolt when taking off after coasting or braking to stop (red lights). When coasting down a slight inline usually a parking lot, parking garage, my street I get harsh shifts when it goes into 2nd gear. I've started to notice a very slight clunk, in the transmission when I'm accelerating from a stand still. Re: Slight clunk during slow speed deceleration Post by canadiantj » Tue Feb 02, 2016 3:17 am Get your service advisor to take a ride with you and reproduce it or when you take it in, you'll get the dreaded "cannot reproduce" line and be sent on your way. Hey guys, As some of you will know, i've been battling these clicking axles for a while. However, it seems to only happen when the car is cold. I've physically I have had this Silverado for about a year and it has always had a clunking noise when shifting from neutral to drive, when starting from a stop, when shifting from 1st to 2nd, and when hitting It has about 29000 miles. There are telltale signs that help identify the actual source of the problem. Thread / Thread Starter. Also, did it a few times during charging. Place the car on a slight hill, facing downward. First I would say you are low on oil and second the low oil sensor is located on the back sided of the oil pan, so when you de … celerate what oil is in there sloshes forward and uncovers the Occasional "Clunk" sound while accelerating near 20 mph. Only happens when coasting downhill and when the engine is cold, if I have the slightest throttle input it's smooth as expected. other than that egine is running well. This resource would not have been possible without the help of countless folks throughout the Internet. The rpm gauge does not move at all. It happens right as I start to accelerate, within the first foot or so of moving forward. Check the transmission cross member mount (rubber dampers) for excessive wear or splits. That clunk sound when accelerating from a complete stop. It doesn’t clunk under light acceleration but even under regular acceleration from a stop light (like you would do with a cop behind you) the clunk is pretty bad. Checked both front and rear motor mounts seem ok! When the car is in park, I rock the car back and forth and notice a clicking noise, on the drivers side in the location of the differential and drivers side axle where it goes into the differential! Clunking noise when accelerating? My 99 Ford Taurus is making a clunking noise when I accelerate. noise also when turning right - We have a 2004 grand prix and it makes a noise everytime we turn right the sound is the same as if the sway bar is broke (w25. This is an unmistakable sound and it is quite ear splitting. OPERATIONDESCRIPTION TIME ACTION 102204A 2010 Flex, Taurus AWD3. This noise is caused by an air/fuel mixture in the engine cylinder being ignited prematurely by the heat of compression as the piston is moving up on the compression stroke. Its totally unpredictable but only happens when braking or accelerating under 10mph. I think there is an element of exhaust popping eith it as well, which can be heard far more clearly with the rear seats down. Hi Terro75, I’m sorry to hear that you’re experiencing this clunk while accelerating. It doesn't happen every time, and it may be happening in other situations as well, like accelerating. I have been noticing a slight "clunk" accelerating from It is concerning to have that noise occurring when accelerating hard. Any Ideas? More info: The noise seems to come from both left and right rear wheel. Okay, so my steering wheel shakes only when accelerating between 60-70 mph, if I'm coasting with the cruise set in that range there is no shake, also, it shakes at 40-45 if I'm not giving it throttle. I could be he is paying to close attention to the normal operating sounds. When gently coming to a stop or gently accelerating, at the 5-10 kpm point, there is often what I can only describe as a "clunk" noise. I have noticed a slight "clunk" immediately after starting my engine. TRAILER BREAKAWAY SYSTEM All actuators must have a way to apply the Re: Slight "clunk" noise after braking Post by redtherocket » Thu Apr 25, 2013 8:42 pm I also want to ad, my VIN didn't clear with the TSB for the drive line "bump" Re: Slight "clunk" noise after braking Post by redtherocket » Thu Apr 25, 2013 8:42 pm I also want to ad, my VIN didn't clear with the TSB for the drive line "bump" Re: Slight clunk from front end just when coasting I ran over a curb a few years ago which bent my rim and threw everything out of alignment. com within 72 hours of purchase. It only happens when turning the steering wheel just past where the wheels are aligned when going forward. Dallas Council back from AAMCO Transmissions of Venice and today, I want to I've been hearing what sounds like a metal on metal rattle/clunk while accelerating, the noise is constant and as soon as you lift off the pedal, the noise stops. The vehicle surges unexpectedly. When ever I shift into gear, there is a loud "CLUNK" under the truck, and when I accel. Before reassembling the strut assembly, glue the new jounce bumper and new dust boot (shield) to the upper spring seat using the steps listed below. Please print a …In the engine bay there’s an all-diesel line-up of 1. Clunk when accelerating from stop. 7 Hemi has a slight vibration in either pedal (brake/gas) when accelerating and braking. 09. I'm not too concerned because it's slight thus far, but I have a small "clunk" when accelerating from a stop in my truck. Read honest and unbiased product reviews from our users. More accelerating to about 10 Unless I'm accelerating like a turtle, it'll do the same thing as said above from 1 to 2. I have an '05 w/ appx. It is most noticeable with creep off and moving slowly through a parking lot (a lot of letting go and pressing of the accelerator). Best description I've seen is like you're riding a bike, coasting, then start to pedal again. Feels like its located somewhere below. Photo attached is of 4x4 Ranger slip joint male end being lubed with PTFE lubricant. No it is a consistent clunk in all gears going into or coming out of, but I found the problem it is the drive shaft center support and bearing. I thought it was the torque rod that holds the transmission so i have that sitting in my garage right now, but my mechanic told me there was no play at all in that, he also checked the bushings in the suspenion and guess whatall were fine. The following day, I started noticing a subtle "clunk" noise from the left side of the front of the car when turning left at slow speeds. Slight Engine Knock at Acceleration. The Escape also kind of "creaks" when braking or accelerating from stop. Engine hesitation, almost by definition, usually goes back to a misfire in one or more of the cylinders. 5K miles on mine and feel like replacing the oil sooner than later. Obviously, if there is the end of a rod sticking out of your engine case, then chances are, itâÂÂs time for a rebuild. As soon as I give it a little gas ((clunk)) Not just a subtle clunk but a very annoying clunk. … Here’s the long of the problem ('cause there is not short of it). It happens at the moment it comes to a complete stop. A car hesitates when accelerating is a symptom that shows an imperfect internal combustion in your engine. I'm not sure if it's just normal CVT behavior or a sign of a potential issue. Hi, I have a 97 ZJ 5. Chrysler cars make a similar muffled clunk when the sway bar bushings wear. I've been hearing a slight clunk when accelerating from a stop, a very faint split second clunk between in 1st year. Toyota Camry Annoying vibration while stopped and in Drive. 5 WEIGHT DISTRIBUTING HITCHES Weight distributing (equalizing) hitches may be used. But it definitely is only happening when the wheels are spinning. I sounds like its coming from the rear end but I haven't been able to pinpoint where its coming from. 2001-Lexus LS430-Now every once in a while I hear a single clunk coming from the left front wheel. I think this post has undergone some translational difficulties. to go, there is a slight lag and then another "CLUNK", as the truck Isn't there a potential clunk problem with the drive shaft yoke, too? Not enough grease and it gets in a slight bind, then clunks free. 2l '03 Olds Alero, 89k miles My car has an unsettling noise. I know there are a lot of threads about vibration when accelerating, but I can't seem to find any that sound similar to my issue. FIXED: Rear axle click clunk noise. This selenoid engages the AWD system causing the slight clunk Share to: Answered. The leak may be slight but will still cause a problem. Hello, Hopefully someone else has experienced this problem and can help me out. Slight "clunk" under immediate acceleration, when turning left? It's been a while since I've been here. I've experienced a slight "clunk" a few times when I let off the gas and pressed it right after. 20. Sounds like it Clunking Noise while turning - common issue on pointy on the front subframe loosen or crack. Find helpful customer reviews and review ratings for Pedal Commander throttle response controller PC65 for GM models 2007 and newer - get increased performance or save fuel up to 20% - Available for Silverado, Sierra, Tahoe, Escalade, Yukon, Suburban at Amazon. I have 97k on the truck and had the rear u-joints replaced under warranty at 70k. Actually the pads can and do move, the pin that slides in the holes has just enough room to allow the pads to slap on the caliper mounts making a slight clunk when moving fore and aft. Dealer tells me this is "normal" due to brake calipers being attached to the struts. When one or more cylinders stops firing, the power cuts, and the vehicle hesitates under acceleration. \n de-accelerating to a near / rolling stop you get on the gas again quickly and at the very least feel a slight clunk / rough engagement of the transmission / drivetrain Look at your dash display and this is usually at the moment the truck wants to do it's typical downshift from 3rd to 1st gear (skipping 2nd all together). 2001 Grand Marquis front end clunk 5 Answers Have a front end clunk, sounds like it's coming from the drivers side. This seems to be a common problem. I have had the brake pads replaced on my Forester STi (4 pot Brembos all round) and have noticed a strange noise on first application of the brakes after moving either forwards or backwards. I'm fairly certain that I have disks on all four wheels. It got a whole suspension rebuild aboout 15kmiles ago. Car problem(s) with the 2007 CHEVROLET SILVERADO. Since a few months i noticed a slight clunking noise when i start accelerating or decelerating. 11. The frequency of the clunk's are equal to the rotation speed (Frequency) of the wheels. Happens most often around 30-35 mph. The transmission shifts well both up and down except for a clunk noise on the 1/2 shift. The sound in many cars is a dull clunk though if you hear it at all, not what I'd call a popping. I notice going into reverse I get a slight clunk. The A frame bracket that sheared off illuded me for a while, as the noise wasn't very noticeble when driving, just a low clunk, and wasn't able to be seen unless you laid right under the rear axle. I have a 1995 Nissan Quest. Barely accelerating or braking from a slow speed gently doesn't cause the problem. Bought it a couple of weeks ago. While driving I also notice that the clunking almost goes away if I'm just giving it enough fuel to keep the speed steady / or just slight increasing the speed