Depending on the make and model of your vehicle, heat shields are located in the exhaust manifold, in the exhaust piping underneath, underneath the gas tank, and in the rear end near the muffler. They come from the front suspension. This phenomenon happens very quickly, causing a thumping noise that will drive you crazy and wondering if your car is falling apart or even safe to drive. Thump!!!!! I have felt a severe thump in my truck also, bad enough that it actually rocks the truck. You should see very little or no movement before the drive flange on the transmission moves. After a week of driving, this weird thump feeling and noise began to appear. Clunking when accelerating or decelerating was created by K. BMW claims their fluid is “lifetime” but 100k is about it… 50k if you are like me. While at a stop, I noticed a knocking/thumping/slipping noise towards the front of the vehicle. This is a issue because when in traffic you cant pull out in front of anything and hit the gas. The CV joint is designed to pivot when the wheels are turned and is connected to. When accelerating from a full stop, I get a very odd sensation. It feels like I am running over lots of little speed bumps, and the frequency increases as the speeed increases. 6L - Thump/Bump on acceleration- SOLVED! UPDATE! Well, after finally 'accepting' that I was probably looking at a new transfer case, I decided to try one LAST thing to see if it would have any affect on the thump/shudder issue. It usually starts around 65 mph. So i didnt think anything of it. hello, i have a 1998 ford explorer, 4. Post Reply. 1997-2006 Expedition & Navigator - Thumping front end when accelerating from a stop - I have a 2000 Expedition with 116,000 miles on it. Ever since I bought it, it has made a thumping noise whenver I accelerate around a corner, or when I have the wheel turned and I am accelerating. A sharp metallic pop, usually heard when accelerating or braking; 2. Man Utd flop Alexis Sanchez edges closer to Inter Milan move with talks set to accelerate. The symptom is probably more noticeable at lower speeds on acceleration. There is a thumping noise under the car that sounds like someone is hammering. Some Mercedes-Benz cars with 4Matic such as ML, GL, R, S, E Class (or any car with 4wd) may develop a clunk, thump when you let go of the gas pedal. Related Articles. 4 engines are commonly known for intake gasket leaks and the 3. Clunk in driveline when accelerating I would love to get to the bottom of this. It ended up being my after market muffler getting hit by the universal joint. Thread: Humming Noise When Going 60 - 70 mph. When one or more cylinders stops firing, the power cuts, and the vehicle hesitates under acceleration. If you can raise the back end off the ground engage gear and the faulty u/v joint will make the wheel jump. Does anyone have any Ideas? Again, I only hear it when I am at a stop light and take off. Why does my car accelerate slowly when I press the gas? Greg February 16, 2012. Reduced Engine Power – A very common symptom of having a bad fuel pump is when you can no longer accelerate your vehicle at higher speeds. When it did get back up to the 100km/h speed it seemed fine. Anyway, when I accelerate quickly, often onto a dual carriage way or to overtake, I sometimes feel the car holding back with a slight judder. e round a small tight roundabout as I accelerate away I get a loud thumping, juddering noice from the left side towwrds the back of the car, I can feel the vibrations in my pwm amd in the passenger seat so was just wondering if anyone has any ideas what it could be???. It can be felt through the steering wheel and a passenger said he could feel it in the floor. I tried to do a search for the first one, but didn't come up with much. It's a 2012 with 12,000 miles on it. VX series 2, 210k, major service done last week, with a major service done early 2011 For sometime now iv had a thump noise come from mid/rear of the car when i accelerate around the corner or accelerate when over 40km, all i have to do is lightly tap the accelerator to cause the thump. But as soon as I push in the clutch or put it in neutral, it almost goes away. This thumping sound does not normally require treatment, but you might have to check out a doctor to guarantee that a significant medical condition has actually not effected on hearing. It starts slow, and as I accelerate it gets faster. Any ideas as to what it could be??? > > Odd as it sounds, others have reported clunking on acceleration being fixed after axle replacement. Your transmission is necessary in order for your car to operate correctly, and if you start to hear it make a clunking noise, you have good reason to become concerned. The thumping seems to match frequency with road speed and not with engine RPM. Another action can produce the hard thump feeling (very strong thump, without the noise) is lifting up the gas pedal while cruising on highway, then depress the gas pedal again (both action without touching the clutch pedal). Some Ranger 4X4 Super Cab vehicles may exhibit a low frequency thump type noise/vibration on light acceleration from a stop and/or when coming to a stop with light to moderate braking. I am hearing a clunking/knocking noise when I accelerate and decelerate, especially in lower gears. Christos Staikouras confident that overhaul will help accelerate growth Greece’s new finance minister has said that implementing sweeping tax reforms will be his “key priority” as his country seeks to boost growth and rebuild credibility with investors following a decade of international bailouts backed by the EU and IMF. I hear the clunk when i accelerate quickly in 4th gear, and i also hear it slightly when i hit the brakes, i also hear it on uneven pavements. i Don't know if any other petrol cars owners have black soot around there tail pipes but mine is always black and I'm getting a bit worried there might be a problem ?. I just purchased a Quest and I have noticed a weird thumping noise. When one or more cylinders stops firing, the power cuts, and the vehicle hesitates under acceleration. After I came back today and switched back to H2, I started to feel and hear this transmission clunk when accelerating at higher speed. I know i have a bad passenger side CV axle gasket (on the differential). A humming, grinding or hissing car noise can end up costing you. USUAL CAUSE The usual cause of this symptom is a defective Constant Velocity Joint. after many tries. However, sometimes car jerks when accelerating is a common problem faced by several car owners. It doesn't happen while driving on flat road, i can only hear it when driving over speed bumps. Noise: Banging or heavy clicking every two to three feet during acceleration and deceleration Cause: Damaged or broken pinion gear tooth or teeth Noise: Banging or heavy clicking every two to three feet during acceleration or deceleration, but not both Cause: High spot or heavy chip on pinion gear tooth. I have the popular clunk in my '06 LJ Rubicon Auto, RE 3. The 2010 Ford F-150 has 9 problems reported for clunk when accelerating. It only happens after braking at a stop then taking off. Thump Truck is Smash Hit’s personal wrecking machine that was built for one purpose – total destruction! It has been heavily modified with earth crunching iron jaws, a gravel exhaust port, and armored steel plating for ultimate toughness!. It only happened when really pushing the skinny pedal. But when i get up to, say, 40mph and i ease off the gas, the car thumps, or kicks momentarily, almost as if it is shifting rough, but i don't think it is downshifting as i am only maintaining a. 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. ★ Best Price Sofas ★ Hubert Modern Low Frame Sofa by Orren Ellis Browse Through Our Wide Selection Of Sofas, Mattresses, Beds, Center Tables, TV Units, Dining Table Sets, Recliners And More. And then there are other noises that are decidedly unpleasant and unnerving to hear. Also please check out the statistics and reliability analysis of Toyota Sienna based on all problems reported for the Si. Clunking noise while accelerating. There is no "metal" sound, just a very rythmatic thump which gets faster and faster as I accelerate the car. I have a 98 2. It starts slow, and as I accelerate it gets faster. It's best to. 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. i have a 93z ,original owner,low miles,stock suspension. Lol common issue, slip yoke is thumping on start/stop. 00 miles) having a loud noise when accelerating coming from under the front end. Thumping Noise In My Brakes When I Stop. This database includes information received by NHTSA from consumers either directly or as recorded by the Vehicle Safety Hotline. As of lately my car started to make thumping/knocking sounds whilst driving over speed bumps (at regular speed) I drive a 2001 renault laguna 1. The thumping seems to match frequency with road speed and not with engine RPM. I believe it's axle wrap or something in that nature. e round a small tight roundabout as I accelerate away I get a loud thumping, juddering noice from the left side towwrds the back of the car, I can feel the vibrations in my pwm amd in the passenger seat so was just wondering if anyone has any ideas what it could be???. However, it does not happen when I am driving in a straight line. It's a 2012 with 12,000 miles on it. When accelerating from a full stop, I get a very odd sensation. Annoyed by this quiet yet irritating sound I started doing research on the internet. It does the thumping when I'm trying to keep a steady speed and it would start to jerk the car slightly and thump, but when I accelerate or decelerate (let of gas and stay in gear to slow down) the thumping goes away and does 1 small thump. It can be caused by:. It lasts only a second or two. I have a audible thump that you can feel through the pedal/floors when you accelerate from a dead stop in my 2007 Murano S. It's quite soft, and hard to tell if it's coming from the rear diff, or further forward. For example, i would accelerate from a stoplight and everything is fine. It usually starts around 65 mph. 5 TDI three months ago and it has developed a thumping noise (which you can feel through the arm rest) when I accelerate. iv noticed this every time I wash my car. You must be aware of all the feasible reasons behind the problem in accelerating before jumping to the solution. Worn suspension joints - jack the car up so the wheel is off the ground (you’ll need to do this for all 4 corners) and shake the tyre from top to bottom and from side to side (with someone holding the steering wheel on the front) there should be no play in either direction. Specific models include (but may not be limited to): Chevrolet Silverado,. Or if you live in an area with lots of mountains. It was a kind of a low "thump, thump, thump" in rapid succession and then it'd go away. It doesn't happen while driving on flat road, i can only hear it when driving over speed bumps. When I picked it up after having the tires put on I noticed a thump-thump-thump feel on acceleration from 5-30mph. Other than some small issues like replacing tires and a couple other things, I haven't had much trouble. Can you recreate the issue if you bounce a corner? Struts should not change the ride height. It is louder when starting out at a stop, and turning. Mine were worn and the truck would knock on acceleration. It can be felt through the steering wheel and a passenger said he could feel it in the floor. Hi guys, been a while since iv been on here! I have a freelander 1. It's best to. However, I have noticed one thing unusual. Maybe suspension from when the vehicle sags when slowing down? It sounds like its coming from the rear of the vehicle, but hard to verify. Last night we took a 4 hour trip in our 2005 VZ (105,000 km) when accelerating from 80km/h back up to 100km/h, we noticed a miss and an almost a thumping when the accelerator was pushed down. 5" short arm with 1. 1st post! 2006 Navara 2. Honda Accord: Why is There a Grinding Noise When I Accelerate? Are you hearing grinding noises coming from your Honda Accord? This article will show you how to trace the source of the noise, and the different ways to address it. BMW Vibration and Thumping or Shaking While Accelerating - Center Bearing or Flex Disc a stop light or if i accelerate very slowly, but comes back when I floor. For a thump on acceleration from a stop. I tried taking it out of OverDrive. It's only when I release the accelerator, it still has a good response when I accelerate, it's just the thump/knock when I let off the pedal. hello all! so i am going on 2 years with my beloved 2005 Double cab tundra with 187k miles. There is a thumping noise under the car that sounds like someone is hammering. When I am accelerating from a stop I get a clunk sound from what I think is the drivers side front end. ONLY from a dead stop!. When I'm at a dead stop or just barely moving, something makes a clunking noise in the rear end of the car. Then grab the axle, and tried to turn it. If I'm easy on the gas pedal is doesn't happen, or if it does it's much softer. But the other part of me seems to feel that it is an end result of a botched PTU. It's a 2012 with 12,000 miles on it. It's most pronounced at about 20 mph. I was hoping someone could possibly point me in the right direction. Whats weird is some days the thumping sound would be light, almost not noticeable. Some Ranger 4X4 Super Cab vehicles may exhibit a low frequency thump type noise/vibration on light acceleration from a stop and/or when coming to a stop with light to moderate braking. A thump, usually heard when driving over rough roads. The easiest way I could describe it is, it feels like something isn't catching right away when I accelerate. Acura MDX suspension noise pop, clunk, thump. There is a tradeoff, however. Engine Problem on the 2012 FORD F-150. The rear end makes a loud "clunk" sound almost as if the shock is bottoming out. Also please check out the statistics and reliability analysis of Chevrolet Impala based on all problems reported for the Impala. com : Car complaints, car problems and defect information. They are called ball joints, but they have no ball lol. Re: 2012 JGC Ltd 3. First the dealer thought it was a problem with the rear differential, but said other S-Types were experiencing the same problem and found it was a problem with the transmission. Acura MDX drivers complain of suspension noise coming from their 2001 and later MDX vehicles. Pull off the expressway to a traffic light, put the car in park & back on to the expressway no problem. everything looked normal,any advise would. If it is worse when accelerating that is typically the axles or could be the torque converter but I had that symptom and after replacing the axles it made no difference. My Manuel car has been making a thumping noise coming from the front of the car and it has been getting worse over time. When engine torqued on accel, or turning, or up hill when starting from standing or low speed accel. A long duration camshaft usually has a power band way up the RPM range (6,000+), and a race motor that sees frequent sustained high RPMs can really make a lot of power with that high VE. I looked at the fan belt and saw nothing out of place. Nissan Murano Failing Engine Mounts Will Cause Thumping in Floor - 179 reports. The vehicle was taken in on 03/18/11 for front end noise (thump) while turning the wheels. More specific problems: 05/25/14 while backing the vehicle out of my drive way i noticed the a thumping sound and a jerking from. It's quite soft, and hard to tell if it's coming from the rear diff, or further forward. BMW Vibration and Thumping or Shaking While Accelerating - Center Bearing or Flex Disc a stop light or if i accelerate very slowly, but comes back when I floor. Your car can vibrate, shake, and create various types of noises for different reasons. Hi guys, been a while since iv been on here! I have a freelander 1. After getting up to 10 -15 mph there is no noise. This can happen at slow and high speeds and even under normal acceleration. Creaking on acceleration can also be a bad front motor mount check here for pics on where to look for a leaking mount. hi guys just as the title says. This is a issue because when in traffic you cant pull out in front of anything and hit the gas. Thump/clunk on acceleration (2000 Ford Ranger) Automatic 4 wheel drive with steel driveshaft - has Thump/clunk on light acceleration from stop or when braking and coming to a stop. Another action can produce the hard thump feeling (very strong thump, without the noise) is lifting up the gas pedal while cruising on highway, then depress the gas pedal again (both action without touching the clutch pedal). so today a thump started in my front end for no apparent reason. Always be aware of your surroundings while driving; if your car is making abnormal noises, including only while accelerating, you should have it inspected as soon as possible. i have noticed that when i accelerate,moderately to fast i hear a thump sound on the bottom rear side of the car. Car Problems With a Rattling Sound When Accelerating by Robert Moore Rattling noise during acceleration can be caused by several different but common failures, including loose heat shields, bad belt pulleys and ignition pinging. It’s the sound of automotive health. It wont be recalled bc its not a safety issue. I’m getting a thumping noise when I am accelerating at high speeds, 60+ mph. com always has the largest selection of New or Used Triumph Motorcycles for sale anywhere. Engine has been completely overhauled and was working like a charm. Don't have any prior maint. i have noticed that when i accelerate,moderately to fast i hear a thump sound on the bottom rear side of the car. There is a thumping noise under the car that sounds like someone is hammering. Hoping to get some help. Ever since I bought it, it has made a thumping noise whenver I accelerate around a corner, or when I have the wheel turned and I am accelerating. Find descriptive alternatives for expedite. A thumping sound in ears is generally triggered by sound coming from the surrounding capillary. Noise: Banging or heavy clicking every two to three feet during acceleration and deceleration Cause: Damaged or broken pinion gear tooth or teeth Noise: Banging or heavy clicking every two to three feet during acceleration or deceleration, but not both Cause: High spot or heavy chip on pinion gear tooth. It is OK at idle, but gets louder when hitting the gas a driving down the road. The vehicle had under 40 miles on it when I purchase, so I felt that it was a brand new vehicle and with. This is more than the usual road noise. Accelerating from a level stop, you can feel a distinct thump-thump (shudder, bump, fishbite, etc. It happens only occasionally, specifically when I start to brake, accelerate or sometimes when I let go of the gas. Single "clunk" when accelerating from a stop I was hoping someone could help. I just started to have the same issues not too long ago. Whenever I accelerate a slight whisling noise can be heard coming from the engine. !!!SOLVED!!! Loud clunk when stopping hard and accelerating after the clunk Recently at about 84K miles my 2004 2nd Gen Prius has started exhibiting a "clunk" sound coming from what sounds and feels like is the left side of the car. They report three distinct noises. It feels as though it is jammed in park and then releases, the scary part is it only happens during accel. We just bought it a few months ago and have noticed that when you are stopped or moving slow and you hit the gas there is a thumping noise coming from the rear end, almost like it is slipping or something. Piston slap is caused when there's too much space between the piston and the cylinder wall. It only happens when accelerating from a stop, then goes away at about 20mph. the truck is a 99 Escalade, i hear and feel a thump when i come to a complete stop and when i accelerate from a complete stop. Around 35-40mph while accelerating I can hear a "whirring" sound, kind of like an airplane lifting off, getting higher pitched (to a point) as I gain speed. When I accelerate from a stop I feel a thump thump thump noise from directly under the middle storage compartment (where my right arm rests). The easiest way I could describe it is, it feels like something isn't catching right away when I accelerate. It seems to be coming from the rear or center area of the car. Slight Rhythmic Thumping Sound but no Flat Tire For the past month, I have a noticed a slight rhythmic thumping sound that speeds up and slows down with the speed of the car that sounds similar to a flat tire, but all the tire pressures are fine; it sounds like it is coming from the right rear wheel. Since I had this car I only replaced those plus a water pump. when the A/C is on and I rev the engine or accelerate a loud rattle comes from engine (passenger side), especially when rpms on the way down. Thump when accelerating. I hear the clunk when i accelerate quickly in 4th gear, and i also hear it slightly when i hit the brakes, i also hear it on uneven pavements. Noise: Banging or heavy clicking every two to three feet during acceleration and deceleration Cause: Damaged or broken pinion gear tooth or teeth Noise: Banging or heavy clicking every two to three feet during acceleration or deceleration, but not both Cause: High spot or heavy chip on pinion gear tooth. I > have taken it into 2 diff. The CV joint is designed to pivot when the wheels are turned and is connected to. DRIVESHAFT—THUMP/CLUNK ON LIGHT TSB 04-23-7 ACCELERATION FROM STOP OR WHEN BRAKING AND COMING TO A STOP—RANGER 4X4 SUPER CAB FORD: 1998-2005 Ranger This article supersedes TSB 03-26-2 to update the SLIP YOKE DISASSEMBLY vehicle model years and service procedure. ) one explantion has been a sliding shaft in the front drive components. If you noise is a thump remove the driveshaft and lube the splines with white grease in the frt yoke that slips into the transfer case. It doesn't happen while driving on flat road, i can only hear it when driving over speed bumps. Power and acceleration problems. News of the documents request came hours before the Post reported that that on July 7 of last year—less than two weeks before Trump accepted the Republican nomination—Manafort is believed. 1995 Jeep Grand Cherokee goes CLUNK when letting off acceleration too quickly? My 1995 Jeep Grand Cherokee will "clunk" once when letting off the gas pedal quickly, after accelerating. Clunk, heard when driving on roads that dip 3. Common Issues When Transmission Makes Clunking Noise. Sue, I'm not sure about your engine size, but the 3. I rarely drive the car since it's my wife's but I'm in it today and the thumping noise and sound seems to be getting worse. Main First-Generation Neon Page | Main Second-Generation Neon Page. It only happened when really pushing the skinny pedal. When it did get back up to the 100km/h speed it seemed fine. Had it about a month. Thumping sound when accelerating Introductions. When at a standstill with the engine running, move the shifter quickly from park to reverse or drive. Avoid rapid acceleration if possible, shift manually when you can, and when starting out let the transmission fully engage before hitting the throttle. They are called ball joints, but they have no ball lol. When a car has been parked overnight in cold temperatures, moisture can form inside the distributor cap, causing the engine to misfire when accelerating. It is OK at idle, but gets louder when hitting the gas a driving down the road. A misfire occurs because the engine power is off balance or uneven. It happens when im stopped then hit the gas, and i might give it 1/8 throttle of gas if that maybe 1/4 max. Every other gear seems fine and if I just drive it normal, or even if I still accelerate pretty hard it's fine, but if I accelerate too hard then it makes almost a thump sound and the car kind of shakes/jolts. So, accelerate, clunk, clunk, drive. There was a running change on the Tacoma to a zerkless rear drive shaft. Specific models include (but may not be limited to): Chevrolet Silverado,. Occasionally, after rotating the tires, it would go away completely for a month or two only to return. Re: Clicking noise during acceleration and decceleration Mon Apr 01, 2013 9:12 pm So from what I understand an issue that will probably end up impacting every LEAF is a clunking sound which occurs just once when changing directions (forward to reverse and reverse to forward). 2003 GMC K1500 MAKING A CLUNK NOISE IN DRIVELINE. If I'm easy on the gas pedal is doesn't happen, or if it does it's much softer. Clunking noise when accelerating '04 Subaru Legacy was created by CaptainGlac1er The head gasket in my Subaru has to be replaced which is $1800 and I have invested about $2000 already in this car over the past year but I also have this clunking which makes me think I should invest in another car. They are called ball joints, but they have no ball lol. Main First-Generation Neon Page | Main Second-Generation Neon Page. > thumping sound. What is wrong with my car? chevy mechanics answer questions for free. other hyundai santa fe drivers indicate problem is with transmission and gets worse over time, including having stalls while in traffic,, unexpected acceleration, car won't shift in 2nd and 3rd gears. Maybe suspension from when the vehicle sags when slowing down? It sounds like its coming from the rear of the vehicle, but hard to verify. This noise (flat tire thump) happens alot mainly when I'm slightly accelerating above 10mph. At about 20-30 MPH somewhere around 1800-2500 RPM, I start to get a thumping noise upon accleration from I think the right front. The problem worsens at 2000-2500 rpms and 50 mph. Avoid rapid acceleration if possible, shift manually when you can, and when starting out let the transmission fully engage before hitting the throttle. It happens when im stopped then hit the gas, and i might give it 1/8 throttle of gas if that maybe 1/4 max. So i didnt think anything of it. it was the cross-pin that was broken into three pcs. I am experiencing a problem with heavy accelerating over bumps or a bumpy road. i have a 93z ,original owner,low miles,stock suspension. Since I had this car I only replaced those plus a water pump. Happens more often when it's a jerky acceleration/decel. "whenever i accelerate and then ease up on the gas pedal, the car kicks a bit. RPM readings of above 3,500 or a delay in acceleration can indicate a transmission is slipping. My 1997 wrangler sport 4. The most annoying thing to me is the thump i feel in the front of the car when I accelerate from a dead stop. When I turn a sharp right, I. No worse or better when accelerating while turning or going straight. almost like im driving over a bump. When accelerating moderately from a stop after braking moderately to come to that stop. Clunk when accelerating Sep 24 2013, 9:51pm Have 2010 sierra 1500 and from a dead stop or slow speed it makes the clunk noise when i accelerate but only every once in awhile. It doesn't matter User Tag List. Has 110k miles and is now making a funky noise during acceleration. Any ideas as to what it could be??? > > Odd as it sounds, others have reported clunking on acceleration being fixed after axle replacement. CAUTION ISSUE DO NOT, UNDER ANY CIRCUMSTANCE, CLAMP. My car engine hesitates when I accelerate! by zilog357 · Published July 9, 2010 · Updated February 18, 2019 S ometimes we experience an annoying hesitation or stalling when we are cruising in our cars and decide to accelerate either slightly or harder. Commotio cordis (Latin, "agitation of the heart") is an often lethal disruption of heart rhythm that occurs as a result of a blow to the area directly over the heart (the precordial region), at a critical time during the cycle of a heart beat causing cardiac arrest. The Air conditioning (AC) system in your Subaru is made up of the following. The noise and clunk only persists for about 10 feet or 2 sec and doesn't happen when accelerating if I'm already moving. It was explained to me by the folks here that the driveshaft binds and when you release the pressure on it by lifting the brakes it thumps. The speed of the noise 'thump' increases with acceleration but goes away when I put in the clutch. Watch a Tesla Model S P100D take down a 2016 Cadillac CTS-V and set a new world record in the process. 2013 GC Overland Had the identical problem since new and found after many tries that the excess transfer case sealant had gummed the gears. OK, now I've experienced something similar to this, and it took me ages to try and describe the sound but "thump thump thump thump" perfectly described what I was hearing, and the location. Sounds like something on the front lower frame is loose and that the engine is trying to pull towards my dash. Roaring that increases with acceleration: The first thing to check is the exhaust system; it could be damaged. Finding out what is wrong with your car by feel, smell, look, and sound. Since a few months i noticed a slight clunking noise when i start accelerating or decelerating. This might actually be it. Jack ul truck, and pry rear tires up. Once I give it gas maybe pass 3-4K it vibrates in the center console area, and rear of car. This was replaced today. It is coming from the middle of the car, possibly the drive shaft. It sounds like it's coming from the front drivers side, but I am not sure. This report describes three patients receiving digitalis in whom chest thump caused an acceleration of the rate of ventricular tachycardia. Random Thump When Accelerating from Idle 2011 Lincoln MKS 1 Answer. It will also do it on hard right turns. Annoyed by this quiet yet irritating sound I started doing research on the internet. Acura MDX suspension noise pop, clunk, thump. The vehicle had under 40 miles on it when I purchase, so I felt that it was a brand new vehicle and with. Other than some small issues like replacing tires and a couple other things, I haven't had much trouble. Can you recreate the issue if you bounce a corner? Struts should not change the ride height. 25" BL & 1" MML, adjustable uppers front and rear. 61900 mi When accelerating (either from a stop or while in motion)the rear tires would loose grip. Note how long it takes to engage. I know i have a bad passenger side CV axle gasket (on the differential). It feels as though it is jammed in park and then releases, the scary part is it only happens during accel. It's loud and shakes the whole damn car. tsb 04-23-7 11/29/04 driveshaft - thump/clunk on light acceleration from stop or when braking and coming to a stop - ranger 4x4 super cab ford: 1998-2 For anyone experincing the Driveshaft Thump/Clunk - Ford Ranger Forum. The rear end makes a loud "clunk" sound almost as if the shock is bottoming out. wanted to get some opinions before bringing to dealership. Then grab the axle, and tried to turn it. When a car has been parked overnight in cold temperatures, moisture can form inside the distributor cap, causing the engine to misfire when accelerating. Any ideas as to what it could be??? > > Odd as it sounds, others have reported clunking on acceleration being fixed after axle replacement. when the A/C is on and I rev the engine or accelerate a loud rattle comes from engine (passenger side), especially when rpms on the way down. CarComplaints. In order to be able to post messages on the Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum forums, you must first register. It doesn't happen while driving on flat road, i can only hear it when driving over speed bumps. My wife's 2000 Ford Taurus makes a thumping sound when driving. Anyway, when I accelerate quickly, often onto a dual carriage way or to overtake, I sometimes feel the car holding back with a slight judder. Clunk from motor when going slowing down and accelerating + whining noise at 65+mph Submitted by ElectricZo on September 19, 2013 I have been noticing a 'clunk' feeling/noise when transitioning between slowing down and speeding up. Easy to check. iv noticed this every time I wash my car. 1995 Jeep Grand Cherokee goes CLUNK when letting off acceleration too quickly? My 1995 Jeep Grand Cherokee will "clunk" once when letting off the gas pedal quickly, after accelerating. mercedessource Tech help - Sign of worn part when driving over rough ground On most Mercedes from the early 70's up to the late 80's (including 114 115, 116, 107, 123, and 126 chassis cars) with independent rear suspension it is not uncommon to hear clunking noises under the back of the car while you are driving. Check rear lower knuckle to control arm bushings. Engine has been completely overhauled and was working like a charm. They report three distinct noises. https://twitter. Sounds like something on the front lower frame is loose and that the engine is trying to pull towards my dash. Thump, heard on rough roads. This thumping sound does not normally require treatment, but you might have to check out a doctor to guarantee that a significant medical condition has actually not effected on hearing. Parameters such as Snapdragon 730, Sony 48 million, 4000 mAh battery are essential on the K20, but in addition to the price/performance ratio, the Redmi K20 also gives a new answer – A comprehensive true flagship. Drive shaft noises and possible causes are as follows: - A clunking or thumping sound, when going from acceleration to deceleration or deceleration to acceleration, may be caused by worn center support bearing dampener or diaphragm. The harder I accelerate the harder the thump. At times, the wheel would shimmy at low speeds. As of lately my car started to make thumping/knocking sounds whilst driving over speed bumps (at regular speed) I drive a 2001 renault laguna 1. You should see very little or no movement before the drive flange on the transmission moves. It only happens when accelerating from a stop, then goes away at about 20mph. The condition mimics the overdrive being off but its not. com : Car complaints, car problems and defect information. Some Mercedes-Benz cars with 4Matic such as ML, GL, R, S, E Class (or any car with 4wd) may develop a clunk, thump when you let go of the gas pedal. They come from the front suspension. i have a 2012 gt 6sp manual with 3. Easy to check. Thumping/knock/slip noise while accelerating from a stop. After a week of driving, this weird thump feeling and noise began to appear. After getting up to 10 -15 mph there is no noise. It feels like I am running over lots of little speed bumps, and the frequency increases as the speeed increases. Re: Thump noise when accelerating from a stop On every vehicle with live axles the drive shafts have to be able to extend and retract so they dont bind when the axle moves through its travel, as well as when axle wrap occurs. awd vehicles - shudder/chatter/vibration on turns or thump/clunk noise on light acceleration - built 10/1/2009 to 12/31/2009 Seems like a PTU replacement is recommended. I hope this is nothing too serious. It lasts only a second or two.