Single Clunk When Accelerating

wanted to get some opinions before bringing to dealership. I have brand new springs, and I'm confident it has nothing to do with the suspension. I tried to reproduce it using the reverse gear, but nothing happened. Things that have been done: Full Strut/shock assembly (including mount) replacement on both sides of the front suspension. My 07 has zero drive line slop. The single clunk as you turn which can be felt in the steering wheel is the intermediate shaft. My all winter battle with a whole front end clunking with every small crack in the road i would run over has finally been silenced. Again, it's very slight, and I can avoid it by creeping to a stop or accelerating extremely slowly. When i took mine off the bush fell out. Also occasionally hear clunk/rattle under the bus toward the rear in transmission area, usually on acceleration in first or second gear. Tahoe & Suburban - Clunk noise when accelerating - I have been having problems with my 07 Tahoe. I'm going to look at the brakes soon but any other ideas if it's not the brakes?. from quite a few years ago to make a point about Greenland. A humming, grinding or hissing car noise can end up costing you. 'Clunk' is a hard one. It sounds like it's coming from the front drive. When accelerating or cruising the car runs absolutely fine. I have had my 2011 Challenger SRT8 for 2 1/2 years. Minor slip in first gear, or when engaging reverse sometimes. I sounds like its coming from the rear end but I haven't been able to pinpoint where its coming from. It does this when going straight, in corners going left or right. But basically I guess I am looking for someone who had the exact same problem and all I have heard from MM's is a clunk when accelerating or stopping/de-accelerating and even then only a single or double clunk. elle save 90% subscribe give a gift visit the website customer service. Doesn't really seem to be steering related, just starting and stopping. 2000 Accord has a "clunking" front end noise First, it's not the suspension as far as can be determined (anything that looked remotely suspect has been replaced). Bottom line on that at the moment is that Jeep is aware (finally) of the problem but does not have a fix for it. Anyone have any ideas? It also happens when backing out of the driveway turning the wheel then accelerating forward. I have been told it could. Dealer told me it's normal and can be toned down via computer which they did and seemed to reduce the frequency of it happening. Clunk on acceleration. The clunk has become a double-clunk upon acceleration, and single clunk when regenning. It's recently started making a noise and I would like to narrow it down before taking it to our local mechanics. Technical Rear end noise when coasting, can it be a bad axle bearing or internal brake drum? Discussion in ' Traditional Customs ' started by 55Thunderboy , Nov 13, 2016. This might happen once or several times in a few minutes and always goes away then the truck performs perfect in 4WD. Yes, that's the clunk, you only hear it when you begin to accelerate typically from a dead stop but for as much as you pay for one of these vehicles its just should not be there. Thud / Clunk While Driving Over Bumps - posted in Ford Galaxy Technical Section MK I MK II: I am experiencing a knocking sound similar to drop links at times on bumpy roads and I am starting to question myself as to whether if this noise that I hear at present is after getting worse after doing some repairs on the car. Single clunk on accelerating mid car? krena. I then turn it to 3 o-clock and get another clunk. Mine is on the right side, maybe the front, but difficult to locate. It doesn't happen at higher speed/revs. So, accelerate, clunk, clunk, drive. Just experienced a single thud sound (NO SHAKING OR JARRING) when shifting from N to D followed by no acceleration power from pedal for about 1 to 2 seconds and a flashing round yellow ! exclamation mark on the main screen. It sounds like it's coming from the front drive. Clunks are louder than ever. The "clunk" you are hearing is probably just all the slack in the driveline being taken up when you release the clutch. Usually I am going under 10 mph and then I hit the accelerator. Loud Clunk Under Acceleration and Braking **SOLVED** So I've been researching this for a while now and have come up with nothing so far. Clunking sound in the front end of my Chevy Uplander « on: October 29, 2013, 06:26:09 AM » I know this had nothing to do with Jeeps, but there are a lot of car mechanics on here. One theory is that the clunking is associated with loose bolts when the van is put back together here in the states. If you frequent XR desert forums etc the biggun stuff is junk and will rust out an fall apart in short order. Welcome To LandyZone! LandyZone is the biggest Land Rover forum on the net. Like I said being new it's unlikely that chain would be worn enough yet but it may be something to consider if it starts making several clunks in concession. In this article, I present some of the possible causes of whining noise while accelerating. Sounding more like a mount to me as well now. Car noises are not just annoying: sometimes they are a warning sign, like. S14 Continuous clunking/knocking coming from rear only on acceleration/load - *video Tech Talk S14 Continuous clunking/knocking coming from rear only on acceleration/load - *video - Zilvia. Not related to road surface - occur on smooth road. Allison, Clunks when shifting to pass. It only happens after braking at a stop then taking off. Any help would be appreciated. To narrow down the problem the braking components, wheels and mounts of the vehicle should be inspected. You may need to post this on a Dakota forum where it could be a common complaint with that model. Need to know if others are having a similar issue. I believe it is the passenger side. The noise you hear is a knock that is heard towards the bottom of the engine. Common Issues When Transmission Makes Clunking Noise. So, accelerate, clunk, clunk, drive. I had it for 4 years and loved it as my run around work truck but just traded it in on a new Chevy 2500. Mine is on the right side, maybe the front, but difficult to locate. car and driver save 79% subscribe give a gift visit the website customer service. Ford F-150 owners have reported 82 problems related to driveshaft (under the power train category). very unlikely that it is a motor mount. When wheel slippage is detected, the module applies a clutch pack contained inside the transfer case. In practical terms, a long, long time. On my way to work yesterday I noticed a clunking noise on the front passenger side when I let off the throttle. I say sometimes as it appears to only happen if the shift from 1st to 2nd happens when I'm not accelerating. The clunk is a very loud make you cringe noise when under any kind of load after engaging 4WD. The joints become dry, causing the rollers to wear. See what different squeaks, whines, rattles, and vibrations mean for your driveline in this month's issue of Four Wheeler Magazine!. Clunking hip! - recommendations as to whom to see - Chiro, Rolfer, Physio, online Z. 6 RXE is showing some strange behaviour When the engine (and transmission) is cold and I want to accelerate from a standstill position, I need to let the clutch come up very high and and need to rev the engine significantly to prevent a bumpy first few meters. I started noticing this weekend that when I accelerate from a stop or get on it after shifting gears that a single clunking sound comes from the rear-end. Each time the car is accelerated this noise occurs, whether it is from a stop of while coasting. It's a side effect of the rubber binding up as the dual masses accelerate at different rates. Your car engine is making unnatural noises and you don't have the slightest idea what it could be. Dog Slip? Not multiple klunks> No issues at WOT Just one klunk 1 second after the initial engagement when shifting into Forward. After hitting a bump, you can feel a tire (or tires) reacting or “bouncing” for a time. The harder I accelerate the harder the thump. Getting a "clunk" sound from rear of truck when going over any sort of uneven road surface. When I'm riding, regardless of speed, I'm hearing a loud clunk on and off the gas. Post 1970221 - Powerstrokenation. These common car noises can spell trouble and cost a lot of. As soon as I'd start to move forward, there would be a single clunk. 'Clunk' is a hard one. When I brake there is a clunk that sounds like it's coming from the back somewhere near the center of the car. HELP! My 07 FA5 sometimes make a "popping or clunking" sound when I turn the steering wheel from a stand still! I've read several threads that it possibly may be one of a few things. F250 drive shaft clunk. com Forums > Models > Saturn S-Series > S-Series Tech: Clunk when braking in reverse: CV joint?. Thumping Sound when I accelerate 3 Answers. Low speed clunk driving me nuts (figured it out (I can't wait for only a single ball-joint at this time) and a removal tool (Sniper1rfa's design from TiC) and. I have had my 2011 Challenger SRT8 for 2 1/2 years. The squeaky noise? maybe rubber trailing arm bushes - try WD 40 spray. If you hear creaking, popping, or clunking sounds, the possible culprits are broken or worn out suspension joints. Loud single "clunk" from right rear-wheel area, unrelated to any driving action. If you apply the handbrake and attempt to drive forward and then backward it will also "clunk" its driving me round the bend. If the bike is cold, I get a single, audible "clunk" when I pull in the clutch lever. Have noticed a single "clunk" sound coming from the rear of my TB when doing a fast acceleration from either a slow speed or complete stop. clunk on acceleration or braking I just bought a 2004 EXL with 60k miles on it. • If the brake pedal is pushed hard, the noise is less likely to occur. I only notice it when I start out and occasionally between gears, when. When accelerating from a stop I hear a sudden clunk and can feel it under my feet. '01 Jetta has a muted "clunk" coming from somewhere under the hood when first accelerating or initially decelerating. When we pull up to a stop sign or stop at a red light then accelerate when it is time to drive, the vehicle makes a sort of clunking noise. Don Elliott. It is not consistent - sometimes zero, sometimes one, sometimes two clunks. How's it going guys trolled and searched the forum for a while finally found an issue I can't find in searches. You have something loose in there. Mechanic recently checked the differential fluid levels and are fine. But it's only if I abruptly get on the gas. I usually drive the truck in "Auto 4WD", so I'm not sure what it does in 2wd. There are several reasons why a car may shake at low speeds, such as bad motor mounts, warped rotors and unbalanced wheels. 91 NY Fifth Ave -- most of the time it's fine, and as long as I'm gentle on the throttle during acceleration and deceleration, shifts are nice and smooth. Drive shaft noises and possible causes are as follows: Grinding and squeaking from the drive shaft is frequently caused by worn universal joints. Brake clunk under slow stop situations - update As some of you may recall, I was experiencing a clunk from the front brakes when coming to a slow stop at speeds under 5mph. it doesnt do it all the time but sometimes it make a single thump sound, i cant feel this thump but i can hear it. Just the clunk on acceleration or slipping into drive. Let the car sit for a while, and the first turn will be the loudest. I think alot of it has to do with the brakes themselves and reaction time. Such noises indicate problems with the individual planetary gears, input shaft or interior transmission bearings. They were quite sure the mount under the battery has gone, but previous to taking it in, there seemed to be no braking issues, only acceleration ones. I hear and feel it. 2016 BMW 5 Series 535i xDrive AWD All Wheel Drive SKU:GD549409 - $24798 (Please call *440-207-9627* to Confirm Availability Instantly). 2010 Prius with about 145,000 miles on it. Clunk when accelerating off a stop (or occasionally a slow roll. A single-cylinder code, or a single, consistently misfiring cylinder usually goes back to a bad fuel injector, spark plug, plug wire or electrical connection for that cylinder. ELUSIVE DRIVELINE AND BRAKE RELATED SYMPTOMS. Never clunked. I have brand new springs, and I'm confident it has nothing to do with the suspension. Mine is on the right side, maybe the front, but difficult to locate. I had one person that had a similar clunk that was finally traced to the inner axle bolts allowing the axle to shift slightly under throttle and braking. In practical terms, a long, long time. Olds Alero - single clunk when turning. Clunking hip! - recommendations as to whom to see - Chiro, Rolfer, Physio, online Z. So my front end is all new lol. The 2nd noise that I hear is when I am accelerating with the wheel turned. It only happens later in the day after I've been driving my car for a while. When I stop and then accelerate within the first few seconds of the acceleration I hear the clunk clunk sound and then it goes away at all speeds and only happens when I stop and go. If you have a vibration under hard acceleration that occurs at twice driveshaft speed, you've likely got this problem. They were quite sure the mount under the battery has gone, but previous to taking it in, there seemed to be no braking issues, only acceleration ones. You may have to register before you can post: click the register link above to proceed. box reflected that the dealer had addressed the same. It doesn't happen every single time, but enough to where I think this may be an issue. Loud clunk/crack when pulling away Hi, I have owned my Focus ST170 now since July. I offroad frequently and I am now having this same issue. My initial guess is that it's something with the driveshaft. Is there a chance this could be a joint, or is my transmission dead? The car will move. Allison, Clunks when shifting to pass. When accelerating I sometimes get a clunking sounds from shaft. Thumping Sound when I accelerate 3 Answers. Any ideas?. 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. single clunk on acceleration Hi all, i'm so new I don't even have a disco yet but i found one i like. I've haven't pursued it with my service center yet. A couple months ago I started getting clunk noises every time I started from a stop. It sounds almost like the tires are rubbing against something, but they are in fact not. Zen I have a Honda civic 2005 that makes a single clunking noise. Whether you need a single custom boat trailer or a full-service OEM supplier, only Eagle gives you 30 years of taking trailer style, quality and value to a higher level. When accelerating I sometimes get a clunking sounds from shaft. My whole front end is torqued to spec and everything is in great shape. Is there a chance this could be a joint, or is my transmission dead? The car will move. from quite a few years ago to make a point about Greenland. some owners of 4wd equipped 2007-2008 model year tundra vehicles may experience a clunk/thunk noise from the rear of the vehicle or a bump-from behind sensation just before or when accelerating from a stop. Topic [no new posts] Hot Topic [no new posts] Announcement: Sticky Topic: Topic [new post] Hot Topic [new posts] Locked Announcement: Closed Topic. You've chosen a single paper by Box et al. After the single clunk it doesn't do it any more while moving. The F70 provides outstanding holeshot and acceleration performance thanks in part to an advanced engine sensors that monitors and adjusts ignition timing for maximum performance and a gear case featuring a high 2. If I jack up the rear and lock the wheels I can get a small amount of play in the drive shaft when rotating it by hand tranny out of gear. Clunk noise with sharp turn at slow speed I am the original owner of a stock 2004 Jetta TDI 5spd. If it's just a single clunk as soon as you hit the brakes, they all do that as the slop is take up in the entire drive system. They were quite sure the mount under the battery has gone, but previous to taking it in, there seemed to be no braking issues, only acceleration ones. Clunk when braking in reverse: CV joint? S-Series Tech. If your car makes noise when accelerating or turning, don't ignore it. My 2014 is clunking when I let off the gas after accelerating. Minor slip in first gear, or when engaging reverse sometimes. This is a Ford L9000, single axle 23k rear end with a 9 speed. Also please check out the statistics and reliability analysis of Ford F-150 based on all problems reported for the F-150. Ok i am soliciting recommendations from my comrades in strength. 2nd Gen Neon - Clunk/Jump When Slowing to 1,000RPM - Hi guys, I recently started having an issue with my Neon (2003 SXT, auto transmission). It used to only do it upon braking. Yes, that's the clunk, you only hear it when you begin to accelerate typically from a dead stop but for as much as you pay for one of these vehicles its just should not be there. I now have 105k on the truck and am still getting the clunking on occasion when braking and also when the load is taken off the drive train such as stop and go traffic etc. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon. To narrow down the problem the braking components, wheels and mounts of the vehicle should be inspected. In this article, I present some of the possible causes of whining noise while accelerating. It is more likely to happen if there is a bump during the turn like turning into a driveway or a rough spot in the road. Cameron's bombshell came at what was billed as the most important EU summit in years, with the fate of the single currency hanging in the balance. Maintenance/Repairs. which I recently drove from Vancouver to Whistler and back again along a very rough & winding highway (road construction for the Olympics). 4 enjoy, and now when I brake at slow speeds (20-30mph) there is a knocking sound. When these joints wear, the play in the ball and socket will produce a clunking or knocking. my nissan titan pickup makes a noise when i accelerate. Doesn't seem to be a blacklash problem but acts more like an old posi traction rear that the clutches. Tahoe & Suburban - Clunk noise when accelerating - I have been having problems with my 07 Tahoe. I bought a scenic a week ago. But there's also the sound of fast metallic stick-slips faulty lever arm shocker, or is. It's usually right at that last little lurch forward when stopping and the initial lurch back when accelerating. The clunk has become a double-clunk upon acceleration, and single clunk when regenning. Inner cv joints usually produce a clunk when accelerating or decelerating. The Allison xmission on my 2005 W24 with 33,000 miles recently started to make a clunk or thump like sound when I do a hard kickdown shift using the gas pedal for acceleration on a grade or to pass at around 50 mph or above. Just replaced front discs and pads on my Astra 1. It doesn't happen every single time, but enough to where I think this may be an issue. I have a MKII 1991 1. Ok i am soliciting recommendations from my comrades in strength. The times when it does not happen, I get the same bump when accelerating from a stop instead. Thump in right front wheel when applying brakes 10 Answers. Single clunk noise from front suspension when applying the brakes: • The noise is a result of the brake pads shifting in the direction of rotor rotation when the brakes are applied. It occurs under hard acceleration and also just when accelerating normally. I can now see what others mean about the ‘clunk’when changinggear in the Boulevards. But if I come to a full stop and then start up again it can do it again, although not 100% of the time. 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. In no way does any clunk or thump happen when im driving. This is the one reference to a loud "clunk" noise I can find in the liftgate diagnostic chart from the service manual. Hard up/downshifts would also elicit a clunk. Learn about this problem, why it occurs, and how to fix it. I have a MKII 1991 1. Like I said being new it's unlikely that chain would be worn enough yet but it may be something to consider if it starts making several clunks in concession. It almost feels like there is something hitting my tailgate as I take off. I think alot of it has to do with the brakes themselves and reaction time. Under the maintanance and service part I had a thread on transmission whine. When accelerating, is it a single clunk, or does it continue to clunk as the car speeds up? Similarly, when releasing the accelerator, does it clunk just once when the accelerator is released, or does it continously clunk as the car slows down. I can feel the truck shutter as if one (Left Front) wheel becomes disengaged and then reengaged. Engine knocking noise when accelerating The Unofficial Royal Enfield Community Forum website is a fan-driven project, not affiliated with Royal Enfield Motors. This might happen once or several times in a few minutes and always goes away then the truck performs perfect in 4WD. This noise only comes when the brakes are applies softly, just enough to slow the car down. Even if it's not broken, clunking during shifting is normal. If I'm easy on the gas pedal is doesn't happen, or if it does it's much softer. I've had it with my morse single lever control. A car making a clunking noise could have one or more of a number of problems, including problems with the transmission, exhaust system or wheel bearings. The slip joint on the drive shaft has been greased but no grease has come out of the splines yet, is this normal?. box reflected that the dealer had addressed the same. I usually drive the truck in "Auto 4WD", so I'm not sure what it does in 2wd. What is this clunk: Ford can't even identify this front end clunk I get when letting off the brake! Right rear clunk when hitting bumps: Suspension S197 Clunking/rattling sound when accelerating and turning right? Lowered car, making clunking noise. I had under 60000 when I had the transmission replaced. :) Thanks for all the replies. It is more pronounced under normal shifting and seems better when accelerating to around 4 grand and then clutching to shift. Had similar on my MX5 and it was a single knock when touching the brake pedal then another when pulling away. day& heard a loud sound likensomething broke& then all of. They will often make a single 'clunk' when first applied. Whether you need a single custom boat trailer or a full-service OEM supplier, only Eagle gives you 30 years of taking trailer style, quality and value to a higher level. Just the clunk on acceleration or slipping into drive. Welcome To LandyZone! LandyZone is the biggest Land Rover forum on the net. Common Issues When Transmission Makes Clunking Noise. • Can be duplicated by lightly touching the brake pedal. Bmw Skipping When Accelerating Oil is correct. Hi All, My 2000 Renault Scenic 1. I had the same strange clunk for about a year, and I finally changed out the gear oil in both differentials (front and rear), and changed out the ATF fluid in the transfer case, and that fixed it! Nice and smooth acceleration now, with no clunks at low speed. If your Toyota is a front wheel drive, or all wheel drive vehicle the clunking noise when you're turning right may be your CV joint on that side. So, accelerate, clunk, clunk, drive. But it will do it multiple times in a single pedal push - like 3 or 4 times depending on how hard I accelerate. It's not a single clang. 25 Answer s. arm or Tension rod - they connect to frame and will give an initial "clunk" and you would give'em a. It is for a 1993, Chevrolet 1500CK 5. Are you experiencing whining noise when accelerating your car to high RPM speeds? This seems to be a common problem with many cars. You hear a squealing or "thwap thwap" sound coming from down low on the drivers side of the engine. Often the cause of this noise is excessive clearance between the teeth of the ring and pinion in the differential. Other most common clunk was because of dust and washed ot lubricant from front passenger side brake caliper/pads probably after winter. I recorded this sound while I was in carpark and upload this video to youtube. Driveline Clunk I went over everything under the truck on a friends lift a few weeks ago and we did not see any loose mounts, or u-joints etc. It is coming from the front end of the van. My car was ok sofar, thank God! But, recently, it developed some slight clunk felt in the gas pedal and less in steering wheel when hit the gas pedal after release it and coast a couple second. Had this problem before and it turned out to be a cracked transmission mount, so I've ruled that out as it is the first thing I checked. There are several reasons why a car may shake at low speeds, such as bad motor mounts, warped rotors and unbalanced wheels. The noise is like a 'clunk clunk clunk' right around 2k and 3k rpms, its real brief, but very noticeable. The clunk is a very loud make you cringe noise when under any kind of load after engaging 4WD. Tahoe & Suburban - Clunk noise when accelerating - I have been having problems with my 07 Tahoe. When I tap the gas, it's just a single knock or clunk. A couple months ago I started getting clunk noises every time I started from a stop. I took it into the dealer and they could not. Normally the knock sounds when accelerating from a full stop and I have not noticed any noise when I'm turning. Very repeatable, I can produce the sound back-and-forth from getting lightly on the gas and off again. An automatic transmission, also called auto, self-shifting transmission, n-speed automatic, or AT, is a type of motor vehicle transmission that can automatically change gear ratios as the vehicle moves, freeing the driver from having to shift gears manually. Average failure mileage is 24,600 miles. tedness , Aug 25, 2008. My next project would be how the car pulls to the right when accelerating (new tires) maybe left tie rod, maybe related to the clunk so thats why im mentioning it. For the past 8-10K miles, I've noticed a moderate-loud clunking noise coming from the rear suspension (passenger side rear, if my ears are hearing correctly). You are probably getting the clunk when you are coming up to stops at low speed and taking off. My 1997 wrangler sport 4. Technical Rear end noise when coasting, can it be a bad axle bearing or internal brake drum? Discussion in ' Traditional Customs ' started by 55Thunderboy , Nov 13, 2016. I have done the Wd40 and it's definitely still there and loud. 2004 - 2008 F150 - Cluncking noise in rear when accelerating from stop - My 2007 f-150 has a clunking noise coming from the rear when pulling off from a dead stop. 'Clunk' is a hard one. It does this when going straight, in corners going left or right. Additional symptoms that would point to this problem often include a clunk or shudder during hard acceleration or when the transmission is put into gear. Leaving Flying J after refueling and crossing overpass when a loud "clunk" was heard from the rear followed by a deceleration type of effect. Breaking hard, driving normally or accelerating doesn't cause this either. Visual inspection doesn't always do justice to the problem, but it seems these particular rubber parts lasts for a decent amount of time. You may also notice the car has difficultly getting up to speed. But there's also the sound of fast metallic stick-slips faulty lever arm shocker, or is. Each time it happens, it is a single clunk, never multiple noises. If you hear creaking, popping, or clunking sounds, the possible culprits are broken or worn out suspension joints. But if I come to a full stop and then start up again it can do it again, although not 100% of the time. If rear differential noise occurs while accelerating the car only at a certain speed, it is likely because the gears have become worn due to overloading and lubrication failure. Knocking noise coming from engine bay. The car runs nice and I just replaced the plugs and wires as well as the transmission fluid. When I brake there is a clunk that sounds like it's coming from the back somewhere near the center of the car. Also occasionally hear clunk/rattle under the bus toward the rear in transmission area, usually on acceleration in first or second gear. I inspected my u-joints and even a greased them but the problem is still there. Car is dirty ass fuck inside and out, but she seems to be running good aside of this noise I keep hearing. I also hear the same sound when decelerating, or when turning into a driveway. But mine is now quite and sounds like a regular vehicle taking off not a clunker!. USUAL CAUSE The usual cause of this symptom is a defective Constant Velocity Joint. It's not causing any problem, but was just wondering if anyone else had any input, before I take it to the. The Following 2 Users Say Thank You to Joanne1001 For This Useful Post: The whirring is what I noticed first, very subtle at first, then over time grew more obvious. This only happened then, and never at speed (coming to a normal stop, etc) - it would only happen when pulling into the garage or going through a drive through where you are. I usually drive the truck in "Auto 4WD", so I'm not sure what it does in 2wd. I don't know if this is a new issue or if I'd just never noticed it before. elle save 90% subscribe give a gift visit the website customer service. ” Anonymous, PA (2014 Honda Odyssey) “The transmission slams into gear after. -Single clunk when braking at low speeds. Probably a broken motor mount that is allowing the initial engine torque to rotate the motor upwards, causing something to hit. However, just last night my car suddenly started making a very loud clunking noise when I press the gas pedal in drive. Over the winter, I began to notice a "clunk clunk" from the rear, while accelerating from a complete stop. Mine is also doing this A single clunk if you drive forward and the same clunk when moving in reverse. Did this twice in a row. I then turn it to 3 o-clock and get another clunk. Toyota Prius. The 2010 Ford F-150 has 9 problems reported for clunk when accelerating. A week ago however a new clunking noise has appeared again, which once again, is only evident when braking to a stop. The first step to determining what is causing the sound is to isolate where the sound is coming from. This feature is not available right now. i hear a single clunk noise from the steering system when turning immediately from right to left and vice versa. when you accelerate quickly a single clunk noise comes from underneath the vehicle. It does this when going straight, in corners going left or right. it gets louder with heavier acceleration. When I stop and then accelerate within the first few seconds of the acceleration I hear the clunk clunk sound and then it goes away at all speeds and only happens when I stop and go. Took another short test drive. Yes, that's the clunk, you only hear it when you begin to accelerate typically from a dead stop but for as much as you pay for one of these vehicles its just should not be there. It is as if the whole jeep shifts backwards an inch. But if I keep my foot on the accelerator very slightly to make the gear change as smooth as possible, I get the clunk. Each time the car is accelerated this noise occurs, whether it is from a stop of while coasting. Lately, it seems to be doing it more often, generally from a dead stop, when trying to accelerate normally (we tend to baby our cars). This is where establishing a CoE can be most beneficial—helping agencies navigate from managing a single bot to entire fleets of bots at the. When the u-joints on the drive shaft are bad, there is an audble clunk when you accelerate and when slowing down (basically the same motions you go through when shifting gears). Been to the dealer and they said this could be a 'normal characteristic' of the transmission. single clunk on acceleration Hi all, i'm so new I don't even have a disco yet but i found one i like. Whether you need a single custom boat trailer or a full-service OEM supplier, only Eagle gives you 30 years of taking trailer style, quality and value to a higher level. When accelerating, is it a single clunk, or does it continue to clunk as the car speeds up? Similarly, when releasing the accelerator, does it clunk just once when the accelerator is released, or does it continously clunk as the car slows down. Usually has a loud clunking noise at top of gate travel just before power closing. I just purchased a Quest and I have noticed a weird thumping noise. I have just recently started getting a loud bang,crack or clunk( whatever it is called) when accelerating from stand still.