Knocking Noise When Accelerating From Stop








As many time as I was on/off the gas, it was consistent. I have a 1998 ML320 w/200K+ on it that makes a very loud banging/knocking noise when accelerating moderately hard from a stop. Jan 09, 2012 · My cars making a flopping/knocking noise when moving but not accelerating? Ok so i own a 5 speed manual Maxima 2000 SE. mine has a bit of a squeak to it. Whenever i apply the brakes it stops completely. It makes a noise when I accelerate after being at a stop, and then it goes away. Your timing belt might whine while idling, and actually stop whining after you continue accelerating, only to return once you slow down. When you accelerate and hear a squeal, a squeak, or a whine, odds are the cause is a worn belt. If the knocking happens when you turn the steering wheel when the car is not moving then there is a problem with the coil springs that form part of the front suspension. knocking at EACH and EVERY stop and start. I have a 2005 Dodge Stratus. It is a very brief sound too, I hear it about 3 times in a span of a few seconds and then its gone. It could also be described as a popping or clicking. This may occur if the fan becomes clogged with lint, which reduces air flow and makes a clicking, knocking or whistling sound. It sounds like someone is hitting the frame with a hammer, about twice a second. Zen I have a Honda civic 2005 that makes a single clunking noise. I am not very mechanically minded but sounds plausible to me. One of those noises that drives you nuts trying to get a handle on what it could be. It occurs on acceleration and can't be heard at idol. Just sometimes when I accelerate from a dead stop. (If you ease into acceleration though, it doesn't make the noise. Though there are many reasons for engine knocking the most predominant one is more air than fuel in the air fuel mixure that enters the engine. LR RWD, Build 3/2018. The knocking occurs when driving on rough areas of roads or going over speed bumps. Sunday morning car started with no problem, but there was a clicking noise from inside the dash followed by a very low noise from the horn. A knocking or ticking noise from your engine is a sign that something is wrong, usually because of a lack of oil. I open the window and hear from the front somewhere knocking sound. The noise goes away almost entirely when warmed up except for at really low RPMs (like 1k or below) when accelerating from a stop. This is my second Expedition and I noticed a similar sound with a 2000 model. Hissing or sizzling under the hood. 2017 Hyundai Tucson AWD 2. I started having the exact same problem as being described in this thread. also the knocking stops after i get up to speed, at about maybe 20 MPH. Oct 20, 2005 · To conclude I don’t think that this noise is normal and should be present. Background: I was driving around on a washboard-y gravel road for a while, and after I was through that, I noticed that I would get a loud grinding/buzzing sound when accelerating from a stop. what in the rear end could have affected it. 6L Engine Rattle when accelerating. When I let off the gas, the noise stops. Seems like everybody is complaining about the same problems that I have lately here at LOST. I mentioned to my friend ad he suggested an air leak with one of the pipes for the turbo. I also purchased the mobtown skids, but heard the sound prior to installing them. I hated that my original 11 mdx sounded this way. A noise that doesn't become any louder, but becomes more and more noticeable. But I recently changed my tires to winter tires and about a week after doing so, I noticed that whenever I am driving without using the gas or braking, just coasting, there is a knocking sound coming from one of the front wheels or the axle. May 04, 2016 · Hi all, anyone experience light clicking or clattering sound in their auto car when during light acceleration?The sound is very much like a manual car accelerating and upshift of gear when the speed for that gear have not been attained. Nothing catastrophic can happen to your engine from this type of injector noise. This carbon knock is heard only under load during the drive cycle. You can sometimes hear it when you give it some gas when already moving. Maybe you can help me. If it sounds like a single knock, you (or your mechanic) can isolate the cylinder by disabling the spark or the fuel injector for each cylinder one at a time. It could be a knock I guess but to me it sounds like a rumbly/rattly. If not that, what kind of fluids (lubricants) do you have in the bike? Is the fuel management OEM or have you added a manager of some sort? Are you using high octane gas? When you say "accelerating" is that only in first gear from a dead stop, or any time you roll on? Does it happen only at lower RPMs? TQ. At first, you had to give it quite a bit of gas, but it is getting progressively worse and it doesn't take so much anymore. For me it is also between 1200-2000 rpms. Im bringing it to the SC but wanted to insist on replacing the right parts if i know what parts that is dt22cc | February 14, 2019. Recently I went up to 89 octane and I don't seem to hear the rattle any more and the truck doesn't seem to be hunting for gears as much when driving. It is more noticable under mild acceleration around 22-2700 rpm. You may hear a ticking, clicking, or tapping noise while the vehicle is idling, accelerating, or even after receiving an oil change. But as soon as I push in the clutch or put it in neutral, it almost goes away. Engine idles and ravs fine cold or hot but I haven't drove it yet. Squealing Noises. Re: Knock sound on acceleration from stop Mon Oct 27, 2014 4:52 pm I noticed when coming down the hill from my house in the morning sometimes I get the same - it seems like when transitioning from regen to actual braking there is a little bump then a little push - wondering if it was just a quirk with the car - doesn't happen all of the time. My wife just handed me her 2001 BMW X5(165,000 milesnew engine at 97,000) because they offered only $2000 on a trade-in. i know that it is not the fuel because the knocking sound is way too hard. I first noticed this noise after having the timing belt replaced. Most modern engine management systems incorporate a knock sensor or two (LTIs use one on each side of the block) for closed loop timing control. It also appears to stop when its raining!. It is completely gone! I don't understand why. I used the BGK 44k fuel ingector cleaner about 6 weeks ago. A ruptured mount will leak fluid everywhere. knocking at EACH and EVERY stop and start. in your case I suspect you are suffering from what is called "crank shaft knock" due to wear between the crankshaft journels and bearings. I have noticed a knocking sound when reversing into a parking spot. im in this same boat i have this exact rattle when i let off the gas and coast. Guess what my second mdx is starting to make the same sound again. A pinging noise on acceleration is a symptom of pre-ignition. my exhaust is not stock and it has 2 slip joint to connect the smaller stock pipe to the bigger. Well here goes The problem is a lower engine knock when accelerating from a stop. Still with the new setup i hear this darn rattle noise, and i can't be the heat shields since i've removed them all and replaced them with heat wrap. Clunking when accelerating or decelerating was created by K. (If you ease into acceleration though, it doesn't make the noise. 3L makes funny loud clacking or knocking sound when accelerating slowly with a "light foot". Recently did an oil change last week as well as new air filter. Experience has taught me that by the time something makes a noise on a Land Rover that it shouldn't be, it's already time to replace it. When I am driving, this just started happening recently, and I can't think of a situation that could've caused it. It's been doing it for awhile, and at first I thought it was the tires. this happens when taking off from a stop and seems to go away at about 30 mph not sure if it is a knock. i know that it is not the fuel because the knocking sound is way too hard. Wondering if this could be U-Joints going bad or if anyone else has any idea? I've heard U-Joints on the 2011 Jeep GC require buying new shaft to as they are tack welded. If I hit the brakes then accel again the noise happens once again. If I were to start the car right now and drive away it would not make the noise. Hi Chris, This happens all the time only when accelerating from a stop. May 04, 2018 · Hi Chris, This happens all the time only when accelerating from a stop. Sep 26, 2010 · Rating Newest Oldest. A few other things to narrow it down:. Aug 28, 2013 · Knocking noise when i hit brakes to stop and again when i accelerate Knocking noise when i hit brakes to stop and again when I accelerate accelerating; 2009. What if you stop, put the transmission into park, then drive, does it reoccur?. Possible bad fuel pump? I tried going up to 89 octane and it stopped for a while. Tire & Aerodynamic Interference Noise; Full Sound Library; Submit a Sound; Disclaimer & Credits; There is a month for this!. If I do this faster than normal, I hear a fairly loud single knock sound (like it's coming from the suspension) during my reverse. Whenever you;d accelerate from a stop, the engine would jerk and make only 1 clunk, due to the broken front mount. Apr 01, 2010 · Last year (about 40,000 miles ago) it started knocking/ticking from what sounds like the passenger side head, only under a load. The noise is not strong enough to cause any vibration, and does not impact power or acceleration in any way. 2009 - 2014 Ford F150 - Clunk/Kick when accelerating from stop - 2011 XLT SCrew When I come to a complete stop and then accelerate, I feel a kick from the back end. Nov 30, 2016 · When I am driving, this just started happening recently, and I can't think of a situation that could've caused it. When accelerating moderately from a stop after braking moderately to come to that stop. It's also a tapping noise. That type of noise can also result from a leak somewhere in your exhaust system. any information or ideas as to what this might be would be really helpful and greatly appreciated: I proudly own and drive an automatic 1995 Camry I-4 DX sedan and when I start accelerating from a complete stop I hear a small clunking/knocking noise coming from a place where I can't determine right as the car starts to move. I have a knocking noise since 2 months and do not know what is not OK. When braking I hear the knocking sound until the vehicle comes to a stop (i guess it would be 3 or 4 knocks). Pinging tends to fade away with increasing engine revolutions. Ticking or clicking noise when accelerating I get a light ticking or clicking noise when I begin to accelerate that I can hear in the cab. LR RWD, Build 3/2018. Doesn't happen when I'm driving or cruising in gear or heavy acceleration. It sounds like metal agains metal rattle, exactly like a loosen heat shield, and i can't figure out where it comes from. It's really bothering me, and I want to fix it asap. Jun 21, 2014 · Hello, My Octavia Estate 2. What can be causing it?, But the noise is noticeable when the engine warms. What causes the pinging noise in car when accelerating? I own a 2002 Kia Rio, recently ,my car has been making a pinging noise when i accelerate, the mechanic told me that i need to do a fuel injection treatment and change spark plugs. It is definitely associated with my acceleration because when I let off the gas, it is not present. Sep 17, 2012 · Each time i speed up, its the noise you hear. Knock seems to go away as the engine RPMs go up. Rock tire up and down while someone looks for movement. Worn mounts will allow excessive movement of the engine causing either the mount to make noise from metal to metal contact upon accelleration or possiblly something else touching during accelleration. This happens. Apr 04, 2011 · "Pop" noise when accelerating from dead stop. It's sort of like the noise a car would make when driving on a concrete slab road when you drive over the cracks. A slip/stick condition between the transfer case output shaft and the driveshaft slip yoke may cause this condition. Under light acceleration you'll hear it rattling but past about 50% pedal position it goes away. A ruptured mount will leak fluid everywhere. Re: clunking noise when accelerating from coasting Sun Aug 05, 2012 5:40 pm I have a somewhat similar problem: In slow stop and go drinving conditions (city) I can hear a light clunck noise when I accelerate and then another one (a bit louder) when I break and the car is about to stop (less than 5mph). The ball joints and end links can be replaced without realigning the front, if set when ball joints were good. 5/00 99 F-series loss of power or stall in 0° temps. So over the past few months I've noticed when i accelerate from a dead stop there is a quick knocking sound right when i hit the accelerator. Maybe you can help me. I have been having a problem with some type of knocking noise when I am moderately accelerating from a stop. It sounds like splines skipping. Jun 25, 2019 · Its definitely a suspension or steering issue and not a break issue. Mufflers and Resonators reduce the sound of the engine’s exhaust gases running through the exhaust pipes and out to the back of your car to a minimal sound level. If the noise is a steady metallic rap, it may indicate a rod/rod bearing. The best way i can describe the pop noise is it sounds like something in the front end is binding up when i brake, and loudly unbinding during the first. A low rumble or knocking noise could be caused by a bad rod bearing on the crankshaft. When I take my foot off the gas to shift, the knocking starts and continues until I'm in gear and have my foot on the gas again. Here what happens. I have a 2012 SRX. I have had the same rattle / knocking sound when driving up hills. Re: Engine knocking noise when accelerating Reply #14 on: May 08, 2015, 05:07:30 PM Yep, the sound file is clear: you can modulate that knock with the throttle, which strongly suggests a significant mechanical fault, which could be anything from a knackered big end to a cracked piston. Why is my engine making a knocking noise? I was able to fix mine for FREE $0! 🔧🔧🔧 (Spark Plug Tools) Torque Wrench -. 4L 3-valve engine may exhibit a ticking and/or knocking noise after reaching normal operating temperature. Re: Knock sound on acceleration from stop Mon Oct 27, 2014 4:52 pm I noticed when coming down the hill from my house in the morning sometimes I get the same - it seems like when transitioning from regen to actual braking there is a little bump then a little push - wondering if it was just a quirk with the car - doesn't happen all of the time. if i am at a standstill and give it half throttle or more, something makes a loud knocking/ticking sound in the engine. 5RS (so no turbo heat shields) that makes a pretty nasty rattling sound that sounds similar to a heat shield during hard acceleration. The only time we have been able to get the rattle is when the car is actually moving while accelerating from a stop. As many time as I was on/off the gas, it was consistent. I've noticed a "fluttering" sound (kinda like a playing card in a bike wheel?) when I am accelerating, especially at low, start out speeds (like from a red light). It is more noticable under mild acceleration around 22-2700 rpm. It's not a clicking, or a knocking, it's hard to describe. Are there makes or models that are more susceptible to noises when accelerating? Some vehicles are more prone to these noises than others. It could also be described as a popping or clicking. May 04, 2018 · Hi Chris, This happens all the time only when accelerating from a stop. Even when I'm in gear and slow down a bit them speed up it makes that knocking noise (best way to describe it is the sound the trailer makes on the towball when you accelerate with a trailer). This tank I have in now is 89 octane and it pinged yesterday. Kind of feels like a loose or bad motor or "trans" mount. Knock occurs when the peak of the combustion process no longer occurs at the optimum moment for the four-stroke cycle. It's not the tires, as replacing them hasn't caused any change. Belt noise can also come when one of the pulleys the belt is riding on starts to fail. When I take my foot off the gas to shift, the knocking starts and continues until I'm in gear and have my foot on the gas again. If you go to youtube and search for "Clunking/knocking noise Honda HRV VTI S 2015" you will find this video. If I'm on the highway and stopping off an offramp (a little faster decline in speed) then I don't hear the noise. Very loud clunk or knocking when taking off quickly from a stop. 0 jetta 5 speed. IN OCTOBER OF 2017 , WITH 121,000 MILES NOTICED A GRINDING NOISE WHEN TAKING OFF TOOK TO NISSAN DEALERSHIP , WAS INFORMED THAT TRANSMISSION WAS BAD. You can rebore the engine, fit low compression pistons or rebuilt the engine with a suitable stroker kit to alter the compression ration. Dec 24, 2012 · My 2004 Expedition 5. Clunking noise when accelerating from dead stop. Under light acceleration you'll hear it rattling but past about 50% pedal position it goes away. LS460 and LS600h hesitation on acceleration and/or P2119 CARspec is hearing increased complaints of hesitation when accelerating from Lexus LS460 and LS600h owners as the cars age. Re: Knock sound on acceleration from stop Mon Oct 27, 2014 4:52 pm I noticed when coming down the hill from my house in the morning sometimes I get the same - it seems like when transitioning from regen to actual braking there is a little bump then a little push - wondering if it was just a quirk with the car - doesn't happen all of the time. When accelerating from a stop there is a noise that sounds like it is coming from the rear. It happens when the weight of the vehicle is transferring to the rear upon acceleration. Valvetrain looks good on inspection and dyno numbers were good. Turn off your engine and spin both the idler pulley and the water pump to see if they make crazy noises without the belt. 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. Jan 28, 2019 · A good example of this is when there is a ticking noise coming from the engine. These are 2 different types of noises. Exhaust System Noises. any ideas??? its really. After doing some research online, some believe it can lead to clunking when decelerating or accelerating. Jan 07, 2010 · I have a strange noise coming from under the car at the moment, usually when going up a hill and accelerating in a high gear (usually 3rd) before it kicks back into a lower gear, or if suddenly accelerating after coasting (like if you need to slow down because the car infront of you is turning, then accelerating to get back up to normal speed). I'm having an issue where there is knocking coming from the engine bay when accelerating at around 1500 RPM. no ecessive black smoke or lose of power. This sound is often most noticeable when the engine is at an even rpm-not accelerating or decelerating-and is often caused by a worn bearing or crankpin, misaligned connecting rod, or lack of oil. I have a 2012 SRX. Jul 02, 2014 · Knocking noise coming from engine bay. What it ended up being in my case was a broken exhaust bracket, the one right under the engine had snapped and was letting the downpipe smack off the subframe. The noise is worse while under load and actually in motion. I am not very mechanically minded but sounds plausible to me. It's also a tapping noise. These systems only have a limited amount of control and are designed to stop detonation in the normal operating range of the engine, not to compensate for 12 lbs. The knocking noise is commonly called spark knock. The knock comes from the engine torque rotating the engine beyond the dampening point. It's been doing it for awhile, and at first I thought it was the tires. Much much noise than usual, and it seems to sound like its got junk in its throat. Why is my engine making a knocking noise? I was able to fix mine for FREE $0! 🔧🔧🔧 (Spark Plug Tools) Torque Wrench -. it was to the point hat it was bumping. I can replicate it when I am at a stop and need to make a turn. 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. mine seems fine. A4 (B8 Platform) Discussion - A4 2. I have already thought it to be a knock sensor, but wouldn't I get a code for that and a check engine light?. What can be done to stop engine knock or pinging? How can you stop an engine from knocking? cars can make weird noises. I have a 2007 escalade ext and I'm experiencing a clunk noise when I accelerate from a stop or even sometimes when slowing down it seems like it's only doing it on low speed not sure if it's tranny or drive axle I also noticed that when I slow down the Rpms bounce up and down not sure if this is normal went from a f150 to an escalade. What it ended up being in my case was a broken exhaust bracket, the one right under the engine had snapped and was letting the downpipe smack off the subframe. I have a 2012 SRX. Bent Axles – If you have bent axles in your vehicle, then it will cause shakiness and vibrations. Driveline Clunk Noise On Light Acceleration (Tip In) and/or Deceleration (Tip Out) Most Noticeable at Lower Speeds and/or Firm Down Shift When Coming to a Stop (Reprogram TCM and/or ECM) #04-07-30-044 - (Dec 10, 2004) Driveline Clunk Noise On Light Acceleration (Tip In) and/or Deceleration (Tip Out) Most Noticeable. These joints need lubrication to prevent themselves from going dry. i know that it is not the fuel because the knocking sound is way too hard. May 22, 2007 · Getting a knocking noise when accelerating or decelerating slowly, particularly noticeable when in very slow stop-start traffic < 20mph. What do you guys think?. I have a 1998 ML320 w/200K+ on it that makes a very loud banging/knocking noise when accelerating moderately hard from a stop. Background: I was driving around on a washboard-y gravel road for a while, and after I was through that, I noticed that I would get a loud grinding/buzzing sound when accelerating from a stop. He said that its a timing problem and that if i don't do it i might end up blowing my engine, i want to. Timing may be off enough that knock sensors can't compensate. What can be done to stop engine knock or pinging? How can you stop an engine from knocking? cars can make weird noises. com : Car complaints, car problems and defect information. This sound is often most noticeable when the engine is at an even rpm-not accelerating or decelerating-and is often caused by a worn bearing or crankpin, misaligned connecting rod, or lack of oil. Bought an 05 FX4 SuperCab in May - been in shop twice for a "clunking" sound when accelerating from a dead stop. , the problems is the code p2112, p2122 and p2127, i have no acceleration at all, check the continuity of the lines of the tps, and app, the voltage and the ground its fine, then, i made a test of the app and the voltage is changing by pressing the. A ruptured mount will leak fluid everywhere. That's how much I hated the sound. com 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 am getting a weird noise coming from my saab. but why would the noise stop when I bounced the rear end? since I did that I almost never hear it. 3L makes funny loud clacking or knocking sound when accelerating slowly with a "light foot". 0 5 speed 2 inch spacers on stock suspension and 31"s. Problem 2: When accelerating (any speed, any gear) I hear a little knocking, almost like noisy valve lifters. Guess what my second mdx is starting to make the same sound again. I hear the noise right around when i get into 3rd and then once I hit cruising speed I don't hear it. Knocking noise coming from engine bay. Lexus GX470 Clunk Type Noise From Rear of Vehicle When Stopping - 85 reports. Sounds like it is coming from the left front, Possibly from the area of the front differential or L. Hello everyone, I need suggestions on the possible culprit of the engine knocking I am experiencing. Squealing Noises. If I'm on the highway and stopping off an offramp (a little faster decline in speed) then I don't hear the noise. Well this noise is really starting to annoy me. from 750 rpm to 2000 the noise will change A LITTLE but same semi loud ,annoying clicking. It is a very brief sound too, I hear it about 3 times in a span of a few seconds and then its gone. When accelerating from a dead stop, there's a slow clanking/ ratcheting sound for a few seconds. Apr 27, 2018 · Skoda Yeti 110 Knocking Loudly when the accelerator is pressed down and a light pinking sound when cruising along without speeding up and disappears when on overrun. Lots of stop and go. I've noticed a "fluttering" sound (kinda like a playing card in a bike wheel?) when I am accelerating, especially at low, start out speeds (like from a red light). Pinging can be anything from a loud knocking noise to a soft tinkling sound that is emitted from the engine. If you suspect your steering rack is causing a knocking noise while driving on uneven road surfaces here is one way to check for play in the steering rack end bushings. Im bringing it to the SC but wanted to insist on replacing the right parts if i know what parts that is dt22cc | February 14, 2019. I hated that my original 11 mdx sounded this way. _____ VW Bug Oval 1953 VW Bug 1200 D motor Porsche 911S 1970. Hey guys, my 2005 FX35 with 178K miles is making a popping/clunking noise when I accelerate from a stop on the drivers front side. Engine idles and ravs fine cold or hot but I haven't drove it yet. Just the sound after taking the foot off the break and the car starts to roll. It's also a tapping noise. Some noise can come from a worn camshaft. Rod knock comes from a bad bearing in your connecting rod. I've been using Shell V power grade (91AKI) for the past few months. When you accelerate and hear a squeal, a squeak, or a whine, odds are the cause is a worn belt. Rock tire up and down while someone looks for movement. Most modern engine management systems incorporate a knock sensor or two (LTIs use one on each side of the block) for closed loop timing control. I recorded this sound while I was in carpark and upload this video to youtube. It doesn't do it when I first start driving, it waits until a little over 5 minutes after I start. No check engine light and my. The good news is that we could replicate the noise by barely moving the car and hitting the brakes hard. It could be a knock I guess but to me it sounds like a rumbly/rattly. At first, you had to give it quite a bit of gas, but it is getting progressively worse and it doesn't take so much anymore. Recently ive noticed when starting after 10 seconds and the RPM's get lower it shakes a little bit so its rough idling, I also notice when accelerating from a stop its very slow and sluggish. Problem with Power Train. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. cruise control on) best on bottom side in clutch area You can NOT hear it: during idling when motor is cold. Could not find anything. Jul 07, 2011 · Recently, I notice engine rocking when accelerating from stop not only on up-slope but also 'sometime' on leveled surface too. I inspected my u-joints and even a greased them but the problem is still there. It occurs on acceleration and can't be heard at idol. Whenever I accelerate from idle, there's a knock that sounds like it's coming from the front'ish area of the car, I can also hear it when I accelerate after I change gears. Hi everybody Car is a 1992 300TE with 150 kmiles. I don't lose power if I had to accelerate, but because the cabin is so quite I can hear every little thing from the engine. If I start off in 2nd the noise also seems to be louder than in any other gear. On: Dealing With a Squeal While You Accelerate (Belts) because you rely on brakes to stop your. knocking at EACH and EVERY stop and start. The sound is only present when I am accelerating and the rate of the "knocking" increases as acceleration increases. It's not the tires, as replacing them hasn't caused any change. Re: HDI rattling heard when accelerating Post by DickieG » Sat Jan 21, 2012 1:10 pm I can't help thinking that the injector noise you describe is perfectly normal, direct injection diesel engines do produce a rattle when power is applied due to additional fuel being injected and are noisier when cold due to lower thermal efficiency in the. I have just purchased a 2012 Acadia LT1 and am having a problem with a rattle when I accelerate from a stop. I can kind of feel it through the steering wheel, almost like as the back of the car sinks and the front rises under acceleration, something is slipping from the front drivers wheel area. Background: I was driving around on a washboard-y gravel road for a while, and after I was through that, I noticed that I would get a loud grinding/buzzing sound when accelerating from a stop. Sep 26, 2010 · Rating Newest Oldest. Robert-Thanks for your question about the humming noise in your transmission. Drove it for just a minute and the nosie stopped. I have a 2005 Dodge Stratus. As many time as I was on/off the gas, it was consistent. What can be done to stop engine knock or pinging? How can you stop an engine from knocking? cars can make weird noises. The noise sounds like a clank or knock during the time i start my car after its been off for a few hours. A mechanic friend of his happened to hear it and told him that something wasn't getting lubricated and that's what was causing the sound. It's not really loud, just a faint chattering noise (similar to if you were to test a spark plug out of socket). Just started noticing a new sound from the engine compartment. It is not a "knocking" or "clicking" noise. The knocking lasts for maybe 20-30 seconds. The best way i can describe the pop noise is it sounds like something in the front end is binding up when i brake, and loudly unbinding during the first. Engine idles and ravs fine cold or hot but I haven't drove it yet. It is kind of like the deceleration engine noise when coming to a stop and auto trans is gently down-shifting and engine goes back to idle. I noticed a knocking coming from the engine (closer to bottom of engine than top) on a cold start. Just the sound after taking the foot off the break and the car starts to roll. It's well-maintained but has developed a weird knocking sensation & sound whenever I accelerate very hard from a stop and a few times lately even while still in first gear and moving. The noise is audible through the wheel well or an open hood. The noise sounds like a clank or knock during the time i start my car after its been off for a few hours. There are some ways to narrow down where the knocking is actually coming from. I have checked the mechanic, he told the sound is called by KNOCKING. Re: Engine knocking noise when accelerating Reply #14 on: May 08, 2015, 05:07:30 PM Yep, the sound file is clear: you can modulate that knock with the throttle, which strongly suggests a significant mechanical fault, which could be anything from a knackered big end to a cracked piston. I can also get the knocking noise to happen while power braking it. Humming noises are usually an indication of a bad bearing. Instead of mashing the gas to prevent speed lose, I'll just keep the same throttle. The steering knuckles and control arms are able to sustain movement with the help of ball joints. Spark knock means the fuel is detonating. The noise occurs as I press on the accelerator (not hard) and goes away after a couple of seconds. The steering knuckles and control arms are able to sustain movement with the help of ball joints. this happens when taking off from a stop and seems to go away at about 30 mph not sure if it is a knock. It is a very brief sound too, I hear it about 3 times in a span of a few seconds and then its gone. 2017 Hyundai Tucson AWD 2. If the sound is closer to a "knock", you may be dealing with. so maybe that could be it but im not certain. Knock occurs when the peak of the combustion process no longer occurs at the optimum moment for the four-stroke cycle. Here's the info - '92 Jeep Cherokee 6cyl, 122000 miles I've been getting a soft knocking noise for a couple of months now. There is no wear in the axle / drum splines or fulcrum plates. Hey all trying to diagnose a problem I've been having, 02 TJ 4. But when it is warm, not cold, I get a mild knocking sound when at the lower RPM range. Recently did an oil change last week as well as new air filter. i occasionally get the same question in my head. Your flexplate could also be cracked as well, -certainly not unheard of on a 6. A mechanic friend of his happened to hear it and told him that something wasn't getting lubricated and that's what was causing the sound. When I take my foot off the gas to shift, the knocking starts and continues until I'm in gear and have my foot on the gas again. Nov 18, 2012 · The problem is a lower engine knock when accelerating from a stop. Like as i'm speeding up, baaaa baaba ba ba baaaaaa ba ba baaaa (3 seconds into the recording, as well as 10 seconds in). When braking I hear the knocking sound until the vehicle comes to a stop (i guess it would be 3 or 4 knocks). Worn mounts will allow excessive movement of the engine causing either the mount to make noise from metal to metal contact upon accelleration or possiblly something else touching during accelleration. I can also get the knocking noise to happen while power braking it. Accelerate slowly, no noise. Whining noise while accelerating seems to be one of the most commonly faced and most discussed problems on automobile forums worldwide. Whenever I press the gas pedal, I hear a knocking noise somewhere under the Jeep. It's not a loud noise, just a quiet but very annoying sound. i know when i am at high speed and i have to come to a hard stop i notice that i hear a sort of knocking sound but lately i have been paying more close attention to my gear and mph match up and i dont hear it as often as i did. Hi All, I have some nasty knocking sound when accelerate and ascending with my X5 X5 E70 2007 auto diesel. Average failure mileage is 24,600 miles. I am hoping it was just some bad gasoline. This morning, leaving from work I noticed the sound as I've noted - accelerating from a stop with fan/AC on. No whining noise. Nov 30, 2015 · Hey folks, my truck is almost a whole two weeks old and I'm now worried there is an issue with it. You can sometimes hear it when you give it some gas when already moving. Guess what my second mdx is starting to make the same sound again. Subaru Legacy/Outback Unusual Clunks and Noises. Jun 10, 2014 · Lash adjusters can make a ticking or tapping noise noticeable at any engine RPM or temperature. This noise can be mistaken for a lifter noise, although the actual source is in the front cover area of the engine. It happens only when the clutch grabs on to the flywheel.