Knocking Noise When Accelerating From Stop

I hope you can help me, thanks. As soon as I take my foot off the brake and the car starts to move forward, I hear the sound again. It got a whole suspension rebuild aboout 15kmiles ago. Almost sounds like rod knock, but I just put the engine in and its been doing it since i first started it up. if i am at a standstill and give it half throttle or more, something makes a loud knocking/ticking sound in the engine. The noise sounds like a power steering pump knocking or a clicking noise. It is only when accelerating form a stop. It could be a knock I guess but to me it sounds like a rumbly/rattly. Hi everybody Car is a 1992 300TE with 150 kmiles. Sometimes we experience an annoying hesitation or stalling when we are cruising in our cars and decide to accelerate either slightly or harder. Knock sound when accelerating from stop. Some noise can come from a worn camshaft. 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. If your car is shifting for no apparent reason and your engine starts making a whining noise, you may have problems with a slipping transmission. 0 TDI 4x4 is making a knocking sound when I accelerate hard in gears 4, 5 & 6. It stops as soon as I let off the gas and it doesn't seem to do it if I floor the pedal, just on a normal gradual acceleration. It's only in first gear, and it's only when accelerating from low RPM. Pretty much what the topic says. This may be related to a faulty throttle position sensor or potentially a dirty or failing mass air flow sensor. Not a high pitch, but a deeper noise. When I am accelerating from a complete stop I only hear it once. Download and buy high quality Car Knocking sound effects. This noise is loudest when the engine is under heavy load. The noise is more noticeable when the weather is below 50 degrees. It only happens after braking at a stop then taking off. After slowing down to approximately 20MPH to make a right turn, I get the clunk at the moment I start to throttle out of the turn. So, if you see dark lines of dripping oil underneath or on the frame next to the side mount, take it to a mechanic. 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 filled up the tank half way through. Knocking noise while coasting/decelerating/braking on 99' Integra Like the title says, I'm hearing a knocking noise whenever my foot is not on the gas in my '99 Integra LS. The noise goes away completely at highway speeds. So I don't know whats causing it, but the last few days when I'm going around 35-40 and slowing to a stop gradually, I hear this knocking/thumping sound when braking. Some customers may comment on a clunk, bump or squawk noise when the vehicle comes to a stop or when accelerating from a complete stop. not so much with the acceleration but the stopping. It usually starts a little after I start driving when I start accelerating. The Causes of Internal Engine Knock, and How to Eliminate it. Knock when accelerating from stop He guys, my JLU Ribicon recently developed a slight stutter/knock when accelerating from a stop. The noise is virtually unexistant untill I start to go forward and forward only. I have a similar knocking noise problem coming from the front left side of my car. The noise sounds like a power steering pump knocking or a clicking noise. this is an old subject but my 01 tahoe is making that same pop noise when accelerating from a stop. My car shut down with me while driving, when I open the hood and check the oil it didn't have oil I put some oil in the car when I start it back up I hear a loud ticking noise I leave it for a minute, and drive it for like 30second and stop I turn the ignition off I turn it back on I hear the same loud noise when I press the gas pedal the car. Each time the car is accelerated this noise occurs, whether it is from a stop of while coasting. This morning I was making an 80 mile drive on the interstate. Here what happens. Its more of a clacking noise then knocking. A few other things to narrow it down:. 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. One guess about the ticking noise- This comment from a Fuel systems/Noise & Vibration engineer- who owns a 2007 HHR - with 2. This may occur if the fan becomes clogged with lint, which reduces air flow and makes a clicking, knocking or whistling sound. I have a 99 ML320 with 255,000 miles on it. Timing may be off enough that knock sensors can't compensate. The PCM learns a minimum noise level at idle from the knock sensor and uses stored normal noise level calibration values for the rest of the RPM band. It goes away after I get up to around 5mph. I'm not sure if this is because road noise blocks it out, or it's so fast-paced that it just becomes one constant noise. If I coast the noise again is not there till gas is applied. Does it gear and never in neutral or park. There’s one more symptom that comes along with a shaking vehicle-a grinding noise. Today the sound started only after driving for about an hour. The 2012 Jeep Grand Cherokee has 1 problems reported for clunking when accelerating from a stop. Once it's at operating temp I can feel a Knocking/jackhammering in the gas pedal when I accelerate and am going above 40mph. Loud Knocking noise from rear on acceleration My car feels juddery and there is a knocking noise coming from rear when I accelerate(and feels a bit lumpy) Could this be the diff? When coasting the diff does not make any strange noises only when accelerating at the low rev range. Temperature outside was warm and dry. It got a whole suspension rebuild aboout 15kmiles ago. In the lines below, I will talk about the best oil additives that can stop engine knocking pretty much instantly. 1000 to 2000 RPM. This will cause knocking when you brake and go over certain bumps. Certain Pay Loans For 600 Us Dollar dietary supplements are recognized to support urinary health. Knocking from the engine compartment. Cause A slip/stick condition between the transfer case output shaft and the driveshaft slip yoke may cause this condition. I don't notice anything other than the sound, other than sometimes being able to slightly feel it under me when it makes the sound. I thought I was coming from the clutch fan because it doesn't occur when I let off the gas, only with my foot on the gas. 0 TDI 4x4 is making a knocking sound when I accelerate hard in gears 4, 5 & 6. I have an 01 z71 extra cab and it makes a noise while accelerating. This tank I have in now is 89 octane and it pinged yesterday. It could also be described as a popping or clicking. If the noise is a steady metallic rap, it may indicate a rod/rod bearing. Excessive crankshaft end play is indicated by an intermittent rap or knock sharper than a worn main bearing. I've got an 02 4wd, automatic. It sounds like it is coming from the front right side. This is a sign of serious transmission problems. when accelerating in ludicrous there is a loud knocking noise. Hey everyone. That's how much I hated the sound. 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 all perfectly normal - your car's simply communicating with you that the ABS is functional. Once I cut the AC off and it warms up a bit, the noise goes away. Upon initial acceleration there is a single Knock/Clunk/Thud type sound that eminates from the front of the car. Seems like everybody is complaining about the same problems that I have lately here at LOST. Humming noises are usually an indication of a bad bearing. 2l Ecotec engine I may have the same/similar ticking noise - it is called "Fuel hammer" noise. There have been complaints that some Ford vehicles equipped with a 4. My Car Makes a Noise! Under The Hood. i just rebuilt the top end of my 2. At speed, the sound either goes away or is masked by road noise. 10 Best Oil Additives to Stop Engine Knocking (Great for New or Old Engines) Last Updated October 21, 2019 by Kevin The best way to describe car engine knocking is an annoying pinging sound which comes from the engine area. Zen I have a Honda civic 2005 that makes a single clunking noise. 2017 Hyundai Tucson AWD 2. 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. Valve train noise So, What is that knocking or ticking noise ? Many assume this knocking or ticking noise is the end of their engine and just move on. Also, when exiting the interstate onto a sharply curved ramp, I feel a slight "bump" in the steering wheel as the car is still in the sharp turn. It's only in first gear, and it's only when accelerating from low RPM. Mid-March 2015 – At 23500 miles an annoying random rattling noise when accelerating began to happen. It's not really the pinging sound that people describe. I've taken ot to the dealer 4 times and they finally diagnosed it as an exhaust problem and what I'm hearing is actually air passing through the muffler system (didn't seem right to me). This tank I have in now is 89 octane and it pinged yesterday. It's not really loud, just a faint chattering noise (similar to if you were to test a spark plug out of socket). Thump Bump Clunk When Accelerating While Coasting when they come to a stop or accelerate from a stop. When braking I hear the knocking sound until the vehicle comes to a stop (i guess it would be 3 or 4 knocks). My wife drives a 2005 Sorento and about a week ago she heard noises when accelerating. Re: 02 Silverado knocking noise when warm 11-07-05 08:51 PM - Post# 811556 In response to nodakbassmaster I have about 45k miles and the noise can only be heard while idling. Rattling Sound When Accelerating At Low Speed. 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. If the car is revved in neutral, there is no knocking sound. As the engine drops down to an idle, you hear a strange sound from under the hood. This would sometimes/often be accompanied by a loud knock or two. Additives exist which can help stop the knocking sound in engines suffering from combustion chamber deposits and improper gasoline octane. Whining noise while accelerating seems to be one of the most commonly faced and most discussed problems on automobile forums worldwide. 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. The misdiagnosis is that the valve job gave the engine too much power making the aged bottom end fail. This noise goes away as soon as it accelerates past 1000rpm. These are 2 different types of noises. As I'm pulling away from stationary (just as the clutch bites and the wheels start to pull the car along) I get a pop/ click noise which sounds like its coming from underneath the car somewhere, possibly footwell area or underneath the forward seating area. That's how much I hated the sound. Some 2001 – 2003 model year Highlander vehicles equipped with a 1MZ-FE engine may exhibit an intermittent “pinging” or “knocking” noise when accelerating slowly up a grade. Immediately afterward the engine starts knocking or ticking. This will cause knocking when you brake and go over certain bumps. If your car makes noise when accelerating. I only notice it when I hit the gas hard. A "knocking" sound from a car's engine while it's running is serious cause for alarm. Each time the car is accelerated this noise occurs, whether it is from a stop of while coasting. A couple months ago I started to hear a light knocking sound after the motor was completely warmed up, after running for about 20 minutes. Very loud clunk or knocking when taking off quickly from a stop. This car is a Toyota Corolla 1500cc, multipoint injection. The Causes of Internal Engine Knock, and How to Eliminate it. My car shut down with me while driving, when I open the hood and check the oil it didn’t have oil I put some oil in the car when I start it back up I hear a loud ticking noise I leave it for a minute, and drive it for like 30second and stop I turn the ignition off I turn it back on I hear the same loud noise when I press the gas pedal the car. For 5000 miles in one and about 1200 miles in the other these 2 SBC's sounded like they were ready to launch part$ all over town. At that time, most automakers still felt compelled to include rugged design cues, or some claim of off-road. I am getting a weird noise coming from my saab. We have been having an issue with a clunking when 'punching' it from a stop (it sounds like it's to the right and a little to the front from driver's seat). Knock/Bump when accelerating from a full stop I got a 2008 Tacoma 4x4 Crew cab and I noticed a bumping/knocking sound when accelerating from a full stop. but if I should stop the car, put off the engine and start the engine again, it will continue moving well but if I should remove my leg from the accelerating pedal, it will loose power and change sound again until I turn off the ignation and turn it on again,, am really confused about this whole thing. The symptom is more pronounced when the engine is at operating temperature. When accelerating moderately from a stop after braking moderately to come to that stop. Hi, A loud knock/tap developed after dyno testing. Knock/Bump when accelerating from a full stop I got a 2008 Tacoma 4x4 Crew cab and I noticed a bumping/knocking sound when accelerating from a full stop. The noise sounds like a power steering pump knocking or a clicking noise. 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. i occasionally get the same question in my head. If you are sure the noise is coming from your gear box and happens even in neutral, then the output shaft bearing in your transmission may be starting to go bad. Most noticeable when pulling away from a stop or under light acceleration when moving. Water hammer is a knocking or banging noise in a water line that occurs when the water valve opens and closes. Kind of feels like a loose or bad motor or "trans" mount. It is definitely a "pinging" noise. The unlubricated, damaged rollers then produce a grinding or squeaking sound, as they operate on the scored cap and cross surfaces. Much much noise than usual, and it seems to sound like its got junk in its throat. 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. What really happened is that the mechanic burped the heads and timing cover off without draining the coolant from the engine first. When the car first starts in the morning and I accelerate from a stop, it makes this annoying tap-tap-tap noise, that makes the engine just sound really loud, that goes very quickly and seems to be in sync with how hard I hit the gas. Abnormal combustion, more commonly known as knock or detonation, has been the limiting factor in internal combustion engine power generation since the discovery of the otto cycle itself. Clunking when accelerating or decelerating was created by K. 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. But when it is warm, not cold, I get a mild knocking sound when at the lower RPM range. I've had the clutch and cam chain tensioner out and they appear to be fine. The noise goes away completely at highway speeds. Not a high pitch, but a deeper noise. What really happened is that the mechanic burped the heads and timing cover off without draining the coolant from the engine first. Sounds similar to what was going on with my car. It stops as soon as I let off the gas and it doesn't seem to do it if I floor the pedal, just on a normal gradual acceleration. I've got an 02 4wd, automatic. 5RS (so no turbo heat shields) that makes a pretty nasty rattling sound that sounds similar to a heat shield during hard acceleration. 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. Excessive crankshaft end play is indicated by an intermittent rap or knock sharper than a worn main bearing. Some customers may comment on a clunk, bump or squawk noise when the vehicle comes to a stop or when accelerating from a complete stop. Off throttle it seems to go away. I have a 98 2. For 5000 miles in one and about 1200 miles in the other these 2 SBC's sounded like they were ready to launch part$ all over town. I never used to hear that inside the car. As the engine drops down to an idle, you hear a strange sound from under the hood. A ruptured mount will leak fluid everywhere. I first noticed this noise after having the timing belt replaced. Why is my engine making a knocking noise? I was able to fix mine for FREE $0! 🔧🔧🔧 (Spark Plug Tools) Torque Wrench -. The way that causes noise at a stop is by encouraging. Clicking noise coming from the rear wheels, left louder than right, when accelerating from a stop pretty much every single time. But when it is warm, not cold, I get a mild knocking sound when at the lower RPM range. Well when I looked under the truck for the noise (as I said in my 1st post it was a clunking noise coming from the rear end when I got a sideways motion) I saw the emergency brake cable resting against the rear spring on the left side. The noise only appears when pushing on the gas pedal and I'm assuming it might be transmission related but everything is shifting properly?. A local auto shop told me that it was due to a broken heat shield, but repairing that did not stop the. I'm at about 14K miles. It sounds like splines skipping. Simply naming the sound, though, doesn't tell the whole story, and you'll soon see why. A worn or damaged tie rod will create a knocking sound. It only does it once or twice and then that's it. At about 40-50 mph, the noise goes away. 0 jetta 5 speed. When I stop on an incline and then accelerate, I hear a water drop noise. A knocking or ticking noise from your engine is a sign that something is wrong, usually because of a lack of oil. You can hear it go bum bum and it feels like my car brakes just slam and there’s like a very quick delay before it speeds up. I have been having a problem with some type of knocking noise when I am moderately accelerating from a stop. As the the title states, I've been experiencing knocking/pinging noise during normal acceleration. Just today I took it out onto some back roads in an effort to record the noise on my phone and found out that I can get the rattle noise to happen more. 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. 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. The only time we have been able to get the rattle is when the car is actually moving while accelerating from a stop. But starts again as soon as I press the gas again. At first it sounded like a bad catalytic converter,but that is fine. He suggested I use higher octane gas, but that solves the problem only sometimes. not so much with the acceleration but the stopping. It's not really loud, just a faint chattering noise (similar to if you were to test a spark plug out of socket). Belt noise can mean the belt is worn or loose. It is a 2000 v10 4x4 120,000mi I got yesterday for my mother. 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. From day one I have experienced an intermittent metal knocking noise while accelerating. (2008 Toyota Prius) It doesn't sound like rushing water or pooled water, just a single drop sound. Hey car experts, maybe you can help me with my problems. Water lines supplying the refrigerator may make a loud bang due to a condition called "water hammer". Valve train noise So, What is that knocking or ticking noise ? Many assume this knocking or ticking noise is the end of their engine and just move on. Fill the reservoir up to about 1/2" from the top, recap, and see if the noise goes away. Clunk from motor when going slowing down and accelerating + whining noise at 65+mph. Some customers may comment on a clunk, bump or squawk noise when the vehicle comes to a stop or when accelerating from a complete stop. 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. We are not so sure of that. Brake and Wheel Noises; Exhaust System Noises; Noise of Suspension; Outside The Car. What really happened is that the mechanic burped the heads and timing cover off without draining the coolant from the engine first. 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). Only lasts at low rpms. I have an 02 trailblazer LS. I can hear it when the windows are open or closed. It's not a loud noise, just a quiet but very annoying sound. I hated that my original 11 mdx sounded this way. Shaking can also be a cause of malfunction in your vehicle’s engine or suspension as well. We have been having an issue with a clunking when 'punching' it from a stop (it sounds like it's to the right and a little to the front from driver's seat). Ive developed a knocking/rattle noise coming from the front end of the car, its much more noticeable at low speeds (30mph and under), just uneven road makes it rattle it doesnt need to be a big pot-hole. Seems like everybody is complaining about the same problems that I have lately here at LOST. For example, from a complete stop, when i accelerate, theres no noise and when i let go of the gas to switch gears, the noise will start until im in the next gear. It was so slight at first I thoght it was normal HD valve noise. The chances are that you are suffering from a condition known as "engine knock". (81hp/103tq)Any guesses?Does a compensator nut or cam gear. The knock sensor signal is only used during the TDC combustion event of the firing cylinder. I have been hearing a clunking noise in the front end while accelerating and engine braking. If you're questioning what is normal engine noise, I may have the answer. Also, when exiting the interstate onto a sharply curved ramp, I feel a slight "bump" in the steering wheel as the car is still in the sharp turn. Seems like everybody is complaining about the same problems that I have lately here at LOST. The noise goes away completely at highway speeds. Your noise occurs during the first acceleration after an engine start at ~18 mph. Hey car experts, maybe you can help me with my problems. This is what rod knock sounds like. I can replicate it when I am at a stop and need to make a turn. It doesn’t ever get better on its own, although when your engine is cold, the noise might be lesser. I will try and listen to the sound more closely, but it doesn't seem like it makes it going over bumps, in which case I doubt it would be anything to do with the strut mounts. Hello, My Octavia Estate 2. 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). 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. 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). Immediately back off the throttle and only use low rpm engine speeds until you can get the engine investigated. Regardless of the fault, you must identify and correct the problem quickly -- otherwise your problem will get worse. any ideas??? its really. Its not constant just as I accelerate the first few seconds from a dead stop. Only lasts at low rpms. I'm getting a knocking sound, especially during braking (most noticably just before coming to a rest), and its also there when taking off again, happens only initially when I move. There have been complaints that some Ford vehicles equipped with a 4. It's not really loud, just a faint chattering noise (similar to if you were to test a spark plug out of socket). The engine knock may be caused by an interaction between carbon that has formed on the piston, the piston motion, and the cylinder wall. My CBR600 F(P) '93 has a very loud knocking noise when I'm accelerating from low revs, in all gears. There could be many different causes for your car to hesitate when accelerating, but sometimes this hesitation is caused by something that we can take care of by our selves - a dirty MAF sensor. It could be a knock I guess but to me it sounds like a rumbly/rattly. Kind of feels like a loose or bad motor or "trans" mount. Please try again later. When they replaced the belt they left the knock sensor wire loose, it rubbed on the serpentine belt and cause my truck to have stutters, Extreme loss of power, lots of engine knock, stall out and left the truck undriveable. If I drive at a steady speed without accelerating rapidly the sound does not happen, actually even if I accelerate softly I can hear it lightly. I thought I was coming from the clutch fan because it doesn't occur when I let off the gas, only with my foot on the gas. The splines may be worn. This happens. When accelerating from a stop there is a noise that sounds like it is coming from the rear. I never used to hear that inside the car. Ending engine tapping noise. padel and let the car moves first, after that, i release and press harder the acc. I have been getting an engine rattling noise almost sounding like a diesel noise from my engine when ever I accelerate (slowly, not gunning it). The alignment is perfect and the tires are brand new. Hey everyone. This morning I was making an 80 mile drive on the interstate. this happens when taking off from a stop and seems to go away at about 30 mph not sure if it is a knock. Engine Knock. You can sometimes hear it when you give it some gas when already moving. Squealing Noises. Kind of feels like a loose or bad motor or "trans" mount. It could also be described as a popping or clicking. I have heard of many people putting less than 91 octane and then getting a knocking sound in the engine. You can hear it go bum bum and it feels like my car brakes just slam and there's like a very quick delay before it speeds up. 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. So, accelerate, clunk, clunk, drive. He suggested I use higher octane gas, but that solves the problem only sometimes. Whenever i apply the brakes it stops completely. 0 90HDI, since i have had the car i have noticed there is a knocking noise when going over bumps from inside the front passenger wheel arch, its really annoying, i have had a look myself and cant see anything, it has gone through an MOT and they couldn't find anything, there is absolutely nothing "obviously" wrong, worm or. If the noise is a steady metallic rap, it may indicate a rod/rod bearing. Grinding manual transmission when shifting. Your timing belt might whine while idling, and actually stop whining after you continue accelerating, only to return once you slow down. so maybe that could be it but im not certain. I hear the noise right around when i get into 3rd and then once I hit cruising speed I don't hear it. I'm not sure what it is and I took it in to a local Ford dealership and they didn't seem to notice it. Hate hate hate the engine noise (diesel knocking or sounds like all my valves are hitting with each stroke), hate the grabby brakes that feel cheap and not trustworthy, hate the CVT shifting that feels like a skip in the engine and blows any smooth acceleration. It stops instantly when the engine is turned off. The slight tapping/knocking from the front left only seems to happen as I accelerate or slow down, usually slower than 12mph or so. The clunking noise is the sway bar link bushings, very common and easy to replace, you do not have to jack up the truck to replace them. Slightly mechanical, slightly echoey and you just can't put your finger on it. MG MGB Technical - Knocking Sound @ Threshold RPM Greetings, I'm looking for some opinions on where to start with a problem I am having with my 1972 MGBGT with a 1978 engine. It's only when I have my foot on the brake and am at a complete stop. RPM readings of above 3,500 or a delay in acceleration can indicate a transmission is slipping. The noise is more noticeable when the weather is below 50 degrees. Knocking noise coming from engine bay. New Shocks, and My car is a giant iceackle right now from the snow I got last night and it's like 5 degrees. If you slow down to say 20 km/hr and accelerate again, you do NOT hear the noise when you pass 30 km/hr the second time. Noise came up after about 800 miles on the BB/cam build. Only lasts at low…. When I accelerate, I tend to hear a "knocking/pinging" noise coming from my engine. 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. But it worked! 100%. 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. We had a similar knocking noise with our '98 one time and it was a top hat/strut mount with a bad bearing. Pretty much what the topic says. All assistance would be appreciated. Several times upon hearing the noise I have shifted the tranny into neutral and raised the rpm to 1500 - 2000 and the noise is still present, but not affected by rpm and the cadence of the "knocking" didn. But if I drive it a while while on cruise or a slight hill climb I can hear it. Very loud clunk or knocking when taking off quickly from a stop. Well this noise is really starting to annoy me. Related Questions. This is what rod knock sounds like. So for example, cruising at 35 and going up a hill. Last year we put a good and very well maintained engine and transmission from a '78 into my '72ran great until last week. You may even discover that your local college or art festival has some reasonable yet exclusive materials, that could be perfect for your space. 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. DIAGNOSE – ENGINE PINGS OR KNOCKS ON ACCELERATION. 6L 3-valve or 5. It happens when I accelerate even gently, but only when the engine has been sitting overnight. The noise is not coming from the engine, it's coming from the middle/rear of the car. It's more of a click/cracking sound that a clunk. I have the same described coin in the can sound on my 2010 2. When accelerating in first gear, from a stop, I hear and feel a knocking noise from the clutch/shifter pedal area. does it have anyth. from 750 rpm to 2000 the noise will change A LITTLE but same semi loud ,annoying clicking. If your knock sensor is out of whack it could sound like that. The sound is coming from the drivers side engine compartment and it is a clicking sound that gets louder as I accelerate. Vibration/Knocking noise from the rear at 20 to 30 mph? 4 Answers. It's very quiet - no one would notice it except me and maybe someone very attuned to Teslas, or listening for it. Knocking (or 'pinging, pinking or pre-ignition) is usually cause by incorrect ignition timing or by using fuel with an octane rating that is too.