Knocking Noise When Accelerating Hard
It has just under 600 miles on it currently. Quiets down to nothing as its just running. Place a tiny bit of water on them and see if the noise temporarily subsides. Dealing With a Squeal While You Accelerate (Belts) Some people attribute this squealing noise to the cold, which might have some part to play in it all (in some sort of way it might constrict the belts or something), but this squeal usually means that you’re going to have to replace a belt or two. Listen for the popping sound and determine from which side of the vehicle the noise is emanating from. Oh yeah I have a 2002 Pontiac Grand Am 2. I have a 98 2. It only occurs when accelerating around 3rd gear. Like going up a hill or accelerating hard but not enough for it to downshift to the previous gear. ? My Toyota Corolla 06 with 140k miles has been emitting an odd sound from the front of the car, Its hard to pinpoint exactly where but its from the driver side wheel area. It sounded just like there was something in the boot, which was moving around, but there wasn't. My new truck has developed what I would call an engine knock, sort of like the one you'd hear on a gas engine when the timing is off. The best way to determine if it's low is to listen from over the hood then lay on the ground and listen. G37s- Popping noise from front under hard acceleration. 1 Worn suspension parts can also be a cause of a knocking sound when braking. I can replicate it when I am at a stop and need to make a turn. 0 V6 2002 here. What Does a Knocking Noise Mean When I Apply the Brakes? Credit: Getty Images AsiaPac/Getty Images Sport/Getty Images A knocking sound when applying the brakes could indicate different problems, such as loose calipers, bad shock absorbers, worn constant velocity joints and failing tie rods. If I'm easy on the gas pedal is doesn't happen, or if it does it's much softer. It's hard to say for sure which ones are worrisome until you determine the cause. Nothing catastrophic can happen to your engine from this type of injector noise. There is one knock with each rotation of the wheel that can be felt a little bit through the steering wheel. 2001 Dodge dakota it started when my son had it in the repair shop then he left and turned on the four wheel drive and the noise. Engine ping is the result of abnormally high combustion temperatures. This is a discussion on Clicking noice when accelerating hard and turning. Today while on the highway going about 60 I downshifted to pass a truck without a problem. Trouble though at around 60mph, a lot of vibration from bottom of engine and when opening the throttle hard to accelerate I get a knocking like the big end bearing is going. WHen i change into second gear i notice a loud knocking noise coming from underneath the car, and if i dont use the exact revs the car shudders a bit and the same for reverse, could it be the gear. I have owned the truck for a number of years and always remember it being there but 3 people have made a comment on the sound in the last couple of months so maybe it is getting louder. Oil consumption is normal. The noise is virtually unexistant untill I start to go forward and forward only. what happend: knock at acceleration. My Yukon makes a whining noise when accelerating as well as when cruising at say 40 mphonce the truck has shifted into the final gear. Hello, My Octavia Estate 2. No metal was detected in the oil. Maybe it's just the way these big V Twins feel, but I don't know. Went to the gym, left and halfway home (5-10 minute drive) I got a rumbling sound. It bothers the crap out of me but, of course, the dealership didn't hear a thing when they took it on a test loop. If it's low it could be bearing noise. I have already thought it to be a knock sensor, but wouldn't I get a code for that and a check engine light?. The car also vibrates while idling. Sometimes under hard acceleration in second, I hear a loud knock from the front of the pass side floor. GM notes that this is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped. For me it only happens when The engine is under load. But starts again as soon as I press the gas again. Cause: Worn, damaged, or ungreased U-joint. Intermittently when I accelerate I get a rattle noise that sounds like it's coming from the rear. But it doesnt seem to make the noise when i have it out of the water and hooked up to the hose. 7 momentary engine knock under acceleration I tried the search feature but all I come up with is third gen trucks with knocking at idle. It is only when accelerating form a stop. starts to knock at about 40-50km/p down to zero. It sounds like splines skipping. The harder I accelerate the harder the thump. The noises vanished as Car attains the speed proportionate to its R. I have put the car up on a Jack and can't get it to make the noise while manually turning the wheel or when accelerating while it's up. I've seen a lot of stuff about driveshaft noise, but this is not a constant noise. look in the engine bay from the front of the car. You know how an engine feels when the crank bearings are shot? My engine has had a knock from day 1. Last year we put a good and very well maintained engine and transmission from a '78 into my '72ran great until last week. Identifying Weird Car Noises. you know what, im going to make a video of both noises this evening as mine does it!. The usual cause of engine ping is over advanced ignition timing, an inoperative EGR system or improper fuel usage. So - what's causing this? Is it damaging my engine?. rattling noise when accelerating up hill Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine. I was running on premium gas. With the heat and the conditions, you are dealing with hot fuel (engines don't like that much) and possibly vapor lock or even air in the fuel. I've never noticed this happening before. I am having an issue where I notice what sounds like a metallic spinning noise or maybe a metallic bird-like noise (hard to describe). (81hp/103tq)Any guesses?Does a compensator nut or cam gear. Knocking noise when accelerating on a automatic transmission engine, does it have anything to do with the gearbox When the car stop and when i want to accelerate, it make the sound and stop after a while. I run pump. When I'm driving easy and shifting no issue with noise when I depress the clutch. Engine noise under hard acceleration sounds like a rattle at 3500 rpm - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. My Yukon makes a whining noise when accelerating as well as when cruising at say 40 mphonce the truck has shifted into the final gear. I have already thought it to be a knock sensor, but wouldn't I get a code for that and a check engine light?. The engine being hot or cold doesn't effect it any differently. You might of mowed your lawn too hard growth the lawn mower and it is angry at you. Seems to be getting worse and now have a loud knocking noise transmitted through the centre armrest (can really feel this through my arm) over every bump. What grade of gas are you using and do you have a tuner? glider , Feb 7, 2009. Last year we put a good and very well maintained engine and transmission from a '78 into my '72ran great until last week. what happend: knock at acceleration. The symptom is more pronounced when the engine is at operating temperature. if on the trailer just pull the plugs to drain the lower unit oil sound travels up the driveshaft and often sounds like engine when it's the lower by checking the oil you'll find out if it's in the lower most of the time and frosty is right if you've just change a prop it may cause noise if not installed propperly. Want to save money on sound effects? Here’s what’s on sale right now. 2L EcoTec with 145k on it. It starts around 2000 rpms but then stops around 3000 rpms. It never pings with 93 octane available here in the northeast. Average failure mileage is 24,600 miles. It sounds like someone is hitting the frame with a hammer, about twice a second. Per the dealer, this issue appears to be occurring on many 2009 Tsx models. Also sometimes when im turning it will make the same noise but not as loud or with as much force as before it used to only do it every once in a while but now it does it almost all the time when i accelerate and about half the time when turning. It starts around 2000 rpms but then stops around 3000 rpms. It also doesn't matter if the car is warmed up or not, it is still there. I just bought a new 2010 Ford Edge a few weeks ago and have only 2,000 km on it and over the past week or so, I've been noticing that when I start to accelerate I hear a "clunk" or knocking noise. This will cause knocking when you brake and go over certain bumps. Today while on the highway going about 60 I downshifted to pass a truck without a problem. After reading Tatunka's post, I took the vehicle to the dealer again earlier today and told them about the technical bulletin. It may even get worse as you step on the gas pedal. Are you sure the knock is coming from the engine compartment? If u-joints are getting sloppy, they will make a knocking sound when accelerating. -ticking starts normally as soon as it’s in gear F/R -doesn’t get louder or worse when driving or. Especially when you press on the gas hard on initial and release the pedal. It happens most when I accelerate after going a constant speed for a couple miles. As soon as I release the pedal, the noise stops. Sounds like its coming from drivers side. As for the noise, its hard to explain. From here it is hard to tell. Though i try to drive maintaining R. Re: Rattling noise from the engine only under load/acceleration « Reply #8 on: August 18, 2009, 01:32:09 PM » Hard to tell without hearing it but it does sound like gas knock to me which I had on my 1st five bikes, 4 Hondas and my 97 GS. If I start off in 2nd the noise also seems to be louder than in any other gear. When I would start up the truck there is also one or two clicks. The strut mounts can make some noise when they go bad that those unfamiliar with engine knock might describe as a "knocking" noise. I have noticed on my 2006 500 Limited (6-speed) when I drive my engine, from a cold start, sounds like it is a Diesel engine then it goes away. It happens whether I accelerate hard or easy. Honda Odyssey Knocking Noise From Front End, Stabilizer Link Issues - 42 reports. It also happens when I turn right faster at the intersection because there is more pressure on that wheel. Are you sure the knock is coming from the engine compartment? If u-joints are getting sloppy, they will make a knocking sound when accelerating. Noise is only there during acceleration from a dead stop. I have a 98 2. 5 engine knocking noise - I have replaced the cam and the crank shaft sensors in my car and I got rid of the p0011, and p0016 engine codes. If the bearing breaks up, it can get stuck out of place, making the most horrendous rotating clunking or squealing, and then just innocently slip back into it's original spot, and all the noise will be gone until it gets dislodged again by forceful driving (i. If I simply turn my car on and take it out of park into drive, but don't accelerate, I won't hear it. I am trying to buy the parts necessary to stop the "knocking noise under the front end over bumps", but when I try to access your parts section as directed on your web site it tells me it is not in service. I am getting an odd crackling sound under hard acceleration above 3k rpm. It goes away after I get up to around 5mph. Nocking sound when accelerating hard 2000 Audi 5 Answers. When I accelerate hard I get this noise from left front wheel. The problem was a mysterious front end popping noise emanating from the front drivers side suspension area of my 96 Auto TT. Hi Guys i have a knocking noise from Diff area. Mine's done that since day 1. I am getting an odd crackling sound under hard acceleration above 3k rpm. There is one knock with each rotation of the wheel that can be felt a little bit through the steering wheel. Impala - 08 impala lt 3. Specifically, I feel the noise comes underneath of my car from the driver side. One of those noises that drives you nuts trying to get a handle on what it could be. The noise doesn't change with AC cycling on/off either, and goes away after approximately 1 minute. Hard to describe. I just recently purchased my 350z (03 touring 60k miles) and I've noticed a sort of tap/knocking noise when I accelerate. com Car Forums!. It goes away after I get up to around 5mph. The sound of pinging (pinking) has been described by some as 'knocking". It happens every time I am out of the saddle peddling going uphill but I can’t get it to happen when I am seated. The torque converter turns while the transmission is in park and neutral, therefore, any noise from the torque converter will occur while the vehicle is in gear. Lately I've noticed from a stop if I accelerate hard there is a metal popping sound under car. And, Usually occurs after the engine has reached or is near normal operating temperature. Most people will hear a knocking sound when there is a mechanical problem somewhere in their engine. Typically, if this is the cause of the sound, the noise will increase when the wheel is turned during acceleration. From inside the car it seems very loud but I can't hear it from outside the car. It was the beginning of detonation and required an increase in octane in the fuel. The engine makes a pinging, knocking sound about 80% of the time when accelerating. The problem is first identifiable from a knocking noise if the car is driven over speed bumps and/or rough surfaces. This means that the ability to write new posts and access various member features will go away. After reading Tatunka's post, I took the vehicle to the dealer again earlier today and told them about the technical bulletin. The joints become dry, causing the rollers to wear. A quick steady tap may indicate lifters or cam lobe, while a clatter may be loose/worn rocker arms. Piston Slap. Both sound very similar. Its a 2003 FLHT. I feel like I have a problem, so I am curious to see what you find out with yours. I have a 98 2. This sound seems to be coming from the front left side of the car. This slight movement is due to the residual transmission fluid in the clutch packs that creates a partial apply on startup. Anybody got an issue number writeup on FCA's? Interesting. Engine Knocking Noise problem of the 2009 Acura TSX 1. Ambient air temp was around 60F and the car had been sitting all night - so it was a "cold start". Hi I have a ln106 hilux and have a noise in the rear diff click/knock at idle in first gear about every 3 feet but only when going up a slight incline and goes when accelerate, drained oil no metal a little bit of black sludgy stuff on bung, it's a lsd when I jacked back end up by turning one wheel other one turns the same way. As soon as I release the pedal, the noise stops. 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. I own a 2001 Clio 172 and when accelerating hard in 1st or 2nd gear (about 5000rpm) I hear a rapid knocking sound which goes as soon as I change up. The sound could. It's like: a short "ting" a tiny bell if a small rock hits the down tu. Re: Grinding noise when accelerating Post by mpstick » Wed Mar 27, 2013 6:00 pm stopped by freedom ford and it was confirmed that it was the catalyst converter and it is covered by the extended emissions warranty ,yaahoo! they're in the process of waiting for parts and they'll give me a call when received. It's intermittent but reproducible with enough accelerations. At about 40-50 mph, the noise goes away. The only time I hear the sound is when I'm accelerating, not when I'm driving a constant speed or while I'm decelerating. Usually, fuel injectors last for the entire life cycle of an engine, but they do become clogged or start to fail in some instances. Sounds like its coming from the front It doesn't change the performance of the car it just sounds like a really odd to me like a popping, rotating sort of noise. you know what, im going to make a video of both noises this evening as mine does it!. Sounds like something hit from under. Usually, it gets difficult for the car to accelerate due to disruption in fuel transfer. Quite a few months later, a new symptom appeared: loud metal knocking in the engine bay on the passenger side. A quick steady tap may indicate lifters or cam lobe, while a clatter may be loose/worn rocker arms. 2001 Dodge dakota it started when my son had it in the repair shop then he left and turned on the four wheel drive and the noise. 99 F-series lack of power, rough idle, "Check Engine" light on, sucking sound on acceleration Hard start when cold, "Check Engine" light comes after starting, 97 and up California emissions Intermittent light knock at idle or low speeds--98. Why my car makes metal knocking sound every time I accelerate the speed, and it gone when I release acceleration pedal? It happens at speed of 25 mph and up. When I let off the gas and drive "normal" the popping noise stops. The sound feels like it is coming from underneath the driver side floorboard. Noises While Accelerating. My 85D has that noise on hard acceleration sometimes. It occurs on acceleration and can't be heard at idol. My 2014 Screw has only 3000 miles on it. A loose piston pin, for example, causes a sharp double knock usually heard when the engine is idling, or during sudden acceleration then deceleration of the engine. It is loudest in 2nd gear when I'm doing light acceleration at around 2. Knocking noise at low speed only when accelerating or maintaining speed Over the past couple days, a knocking noise behind me (could be driver's or passenger side) has developed. It sounds like it is coming from the front right side. The centre bearings on the propshaft make a similar noise to what you describe when they are on the way out, but that should not be only when accelerating, normally it is speed dependent and gets louder as you go faster - a sort of loud "rubbing" noise I suppose you could say a bit like tyres on a wet road. As many time as I was on/off the gas, it was consistent. It only happens in the winter and only in the morning when it's the coldest. The noises vanished as Car attains the speed proportionate to its R. Hey everyone. Eddie Carrara 22,395 views. !!!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. Driving down a hedged lane or alongside a wall can help reflect the sound so you can hear it more clearly, but will mask its location. That makes this seem strange. Re: Rattling noise from the engine only under load/acceleration « Reply #8 on: August 18, 2009, 01:32:09 PM » Hard to tell without hearing it but it does sound like gas knock to me which I had on my 1st five bikes, 4 Hondas and my 97 GS. I have put the car up on a Jack and can't get it to make the noise while manually turning the wheel or when accelerating while it's up. One of those noises that drives you nuts trying to get a handle on what it could be. If this happens with your vehicle you should look in the manual for repair procedures and tighten it correctly. once the car is warm up hi, I have this problem recently, once the car is warm up and when I step on to accelerate the car makes this knocking noise from the rear. All could be possible. My 2005 XC90 recently started making a clicking noise when accelerating. Rattling noise when accelerating hard. My new truck has developed what I would call an engine knock, sort of like the one you'd hear on a gas engine when the timing is off. Cause: Worn, damaged, or ungreased U-joint. This is my first Victory. rattling noise when accelerating up hill Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine. I hope you can help me, thanks. It sounds like someone is hitting the frame with a hammer, about twice a second. Recently replaced the primary chain on my 03 Ultra and decided to change out the compensator sprocket spring stack while at it and new bolt also. 5 XC70 T5 with the Drive-E engine. Noise during hard acceleration. The noise occurs when the gas pedal is pushed (does not matter how far or how hard) even while parked. 6L, 3-valve or 5. The noise occurs as I press on the accelerator (not hard) and goes away after a couple of seconds. Re: Front right hand side cloncking / rattling noise. It sounds like it is coming from the hood/engine area. This is my first Victory. Engine spark knock is usually heard during moderate to heavy engine acceleration. It's like: a short "ting" a tiny bell if a small rock hits the down tu. Doesn't matter what the throttle position is. Why Would a Car Make a Ticking Noise When the Accelerator Is Pushed? There are many reasons why a car makes a ticking sound when the accelerator is pushed. 5k rpm, it is also quite audible in 4th gear in same situation, very slight in 3rd gear and I can't hear it in the other gears. Or timing chain tensioner failed, chain guide broke, chain for slack and skipped a tooth. Average failure mileage is 24,600 miles. 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. Hello, My Octavia Estate 2. Never thought it could be detonation issues but, its possible. Especially when you press on the gas hard on initial and release the pedal. But starts again as soon as I press the gas again. I know that it's tied to the throttle just not sure what it is. Before we dive into the diagnosis I need to let you know that not all noises are easy to find, some are hidden in components and are not visible. sounds like its coming from under the drivers seat or just in front of it (almost as if its the dash). Spark Knock (Detonation) Posted on January 30, 2013 by adamseer Spark Knock is usually a knocking, rattling or pinging noise which may be heard when he engine is accelerating or is doing work really hard below load (driving up a hill, towing a trailer, passing within the highway, and so on. It's hard to describe but it's a low rumbling when the accelerator pedal is pushed. rattling noise when accelerating up hill Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine. Re: Engine pinging/rattling on acceleration My truck started the pinging about a month ago, I switched the truck to synthentic oil about 8k miles ago but I don't think that was the cause. up a hill and I press the pedal a bit too hard. 4 eco-tech what would cause it to have a Knocking noise during acceleration but not while sitting idol is running hard, engine. I've not noticed it knocking any worse while turning corners. I have had it looked at and mechanic said nearside controll arm balljoint was worn, so I replaced the whole control arm assembly, which also showed the rear bush was shot at. Piston slap also makes a knocking sound during acceleration and with the 35,000 km (21,700 miles) your motorcycle has on it, it is definitely a candidate. Re: Rattling noise from the engine only under load/acceleration « Reply #8 on: August 18, 2009, 01:32:09 PM » Hard to tell without hearing it but it does sound like gas knock to me which I had on my 1st five bikes, 4 Hondas and my 97 GS. The noise is usually heard when you hold the throttle at a steady RPM. 0l V-6, under hard acceleration and steep hills. Some noise can come from a worn camshaft. The symptom is more pronounced when the engine is at operating temperature. Making it really hard to pin point a source. As soon as you take your foot off the gas the noise stops,,,,it only does it under a heavy load like taking off from a red light, downshifting for a hill on the x-way, or just plain accelerating kind of hard. Hey everyone. could it be the rearaxle is worn. 2000 Audi A6 quattro, usa, automatic (with sports +/-) There is a repedative nocking/thudding sound when I accelerate hard (foot to the floor) the sound seems to be throught the car as if the drivesh. There are a lot of things that can cause a noise when accelerating. Noises While Accelerating. Usually, it gets difficult for the car to accelerate due to disruption in fuel transfer. Clicking Noise when accelerating. Hello, My Octavia Estate 2. 0 V6 2002 here. We’ll start with the more obvious ones. If I give it any gas, the knocking sound goes away. Sometimes noises are hard to identify, because a noise travels throughout the vehicle and it is hard to pinpoint where it's coming from. When I accelerate hard I get this noise from left front wheel. Knocking noise when accelerating on a automatic transmission engine, does it have anything to do with the gearbox When the car stop and when i want to accelerate, it make the sound and stop after a while. The slack is one of the three. But older high mileage vehicles can have it happen when they are past due for a tune up. The noise you hear is a knock that is heard towards the bottom of the engine. Accelerate with the wheels turned, as if performing a u-turn. Recently, ive had a hard knocking/rattle sound under WOT. 4 eco-tech what would cause it to have a Knocking noise during acceleration but not while sitting idol is running hard, engine. Whining indicates a problem with the transmission fluid pump and could be due to a low level or a failing pump. It happens only occasionally, specifically when I start to brake, accelerate or sometimes when I let go of the gas. Detonation/Spark Knock under Light Acceleration April 1, 2011 9:14 PM Some 2010 Equinox and Terrain models equipped with the 4-cylinder engine (VIN W, RPO LAF) may exhibit a detonation/spark knock or rattle noise under light acceleration (1,500 to 1,900 rpm). The engine makes a pinging, knocking sound about 80% of the time when accelerating. Usually, the noise will only be present while turning in one direction only. Hi Guys i have a knocking noise from Diff area. Learn how to accurately diagnose underhood engine noises in mustangs to take the appropriate steps to fix and lower the knocking or banging noises. If the noise is only present during hard left/right turns and at limits of stern trim, this would be normal. I am now annoying by 2 different noise come form engine and the dashboard. 7l v8, aproximately 149,000. Clunking when accelerating or decelerating was created by K. Issue has also been noticed when i use to drive on some steep roads or in hilly section of motorway/GT Road. If you find it hard to discern where the noise is coming from, it probably means it's right underneath the vehicle and the sound is reflected from the road surface. 4 eco-tech what would cause it to have a Knocking noise during acceleration but not while sitting idol is running hard, engine. A knocking noise can occur from worn engine mounts. com Car Forums!. I hear a slight metallic rattling noise coming from the front of my car when I accelerate. When accelerating very slowy, the noise is not. What causes a hard rattling knocking sound under the hood when you start your 98 ford windstar? Lack of oil, lack of oil pressure, badly worn camshaft or crankshaft or a combination of all the above. Z71 noise while accelerating. If I let off the gas the sound goes away almost completely and I somewhat hear a roaring sound. Other things that can produce a knocking sound when the engine is accelerated hard is crappy fuel. This sound seems to be coming from the front left side of the car. If my window is down - it is pretty loud - sounds like a marble getting shook in a can or something. Average failure mileage is 24,600 miles. I took the Acadia to the dealer yesterday and was told this is a problem that is in all of the V6 motors and was taken for a ride in a Buick enclave and it did have the same problem. Could be the actual exhaust knocking against the bottom of the body - accelerating makes the engine move which alters the angle of the exhaust making it knock. Listen for the popping sound and determine from which side of the vehicle the noise is emanating from. I have an issue with my truck and was hoping to get a little feedbackI am getting a knocking sound from my truck when I accelerate hard. Driveshafts are like that. Hi guys! I'm not sure if I'm the only one with this but when I'm slowly accelerating from a stop there's a repetitive metallic ticking sound from 1st-2nd gear and it goes away after it changes to 3rd. It may have worn enough to need replacing. Also did notice slack at u-joints when turning them by hand, but u-joints are tight. 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. In this article, I present some of the possible causes of whining noise while accelerating. Im getting an intermittent popping/knocking/cluncking noise felt under the driver's side floor right under my feet. Going to take it in to a mechanic very soon but would like to know what I'm in for before seeing him. 5k rpm, it is also quite audible in 4th gear in same situation, very slight in 3rd gear and I can't hear it in the other gears. there have been a. I have a knocking sound, relatively loud, only when I'm idling in first, only if i let the car vibrate when i'm releasing the clutch pedal, and press the throttle hard at the ssme time, to be more specific it happens too if i press the throttle hard in first or in second gear, not in reverse or in the other gears. i occasionally get the same question in my head. see if it is leaking any oil. Since then the driver's side wheel has also worked loose. Learn about this problem, why it occurs, and how to fix it. it sounds like its coming from the drivers. Typically, if this is the cause of the sound, the noise will increase when the wheel is turned during acceleration. But older high mileage vehicles can have it happen when they are past due for a tune up. Sounds like its coming from drivers side. Some people call it a pinging sound which does not go away. It seems to only be happening when the car is more cold. It happens most when I accelerate after going a constant speed for a couple miles. When the fuel is detonating it called spark knock. Only in about 1 out of every 20 pulls. If I come to a stop and accelerate out of the stop, I will hear it. Hi, A loud knock/tap developed after dyno testing. Engine spark knock sounds like a metallic knocking, pinging or rattling noise coming from your engine. up a hill and I press the pedal a bit too hard. Other things that can produce a knocking sound when the engine is accelerated hard is crappy fuel. also the knocking stops after i get up to speed, at about maybe 20 MPH. The strut mounts can make some noise when they go bad that those unfamiliar with engine knock might describe as a "knocking" noise. I have noticed on my 2006 500 Limited (6-speed) when I drive my engine, from a cold start, sounds like it is a Diesel engine then it goes away.