Another test I did was to let off the gas at around 25 mph and just slow to a stop. 7 MILES PER HR AND LETTING OFF THE ACCELERATOR PEDAL A SINGLE CLUNKING NOISE COMES FROM THE REAR OF THE VEHICLE. 2017 ram truck acceleration noise rattle. No noise with overdrive off that I can tell. I have an 04 Chevy Silverado,5. I noticed that there was a tapping noise in the front end when I let off the gas. Silverado's cabs are designed to reduce wind noise in. No sound during acceleration from a stop. Read more Chevrolet reviews to learn about other models. Not sure what the specific transmission is but it is an automatic. So after I let off the gas and coast for a moment, when I re-apply the gas I sometimes get a slight jerk/buck in my 08' 3 MT. The 2003 Chevrolet Silverado has 10 problems reported for clunking noise when accelerating. Mine really isn't making a noise per se. It shifts perfectly and drives very smooth at all speeds. Maybe turbo. Truck Bed Operation So Easy a Child Could Do It. They had plenty of friction material left on them. When I let off the throttle above 50 mph to coast or slow down, sounds like a bearing noise, groaning grinding. Whenever I am pressing the gas pedal to spead up, then release the gas pedal I get a wierd metalic rattling noise from my engine. It feels like I hit the breaks for a fraction of a second then it resumes to decelerating at the normal smooth rate. When a clutch slips, the engine will rev, but the car doesn’t move as it should or not at all, says Bob Waeiss, owner of highly rated Integrity Automotive in Carmel, Indiana. I've noticed this for awhile on my 2003 jetta but just today I noticed it's much worse. Read more and see pictures at Car and Driver. It does it when in full lock and seems to make it more when you back off a full lock turn just a bit. There also seems to be a spot in the turn that makes the noise louder than normal. I also notice a chirping noise when the car is idling. Update: Did some snooping and it doesn't seem like its coming from the exterior of the vehicle. UPDATE: The vibration after letting off the gas over 40mph is fixed. The popping noise tells you something isn't right. Experience the sound and power of a performance exhaust system on your 2016 Chevy Silverado. Another test I did was to let off the gas at around 25 mph and just slow to a stop. Petcocks are commonly and interchangeably referred to as fuel valve, gas valve, gas cock or petcock. It makes noise when i accelerate, but even more noise when i take my foot off of the gas after the acceleration, but is usually quiet when the car is at a stop. Guys am baffled by a grinding/vibration type sound/feel when I let off the gas. Only happens when im traveling 45 to 50 mph area. I have a 2006 chevy 3500hd duramax 6. Answer: You could have a couple different issues that are causing your problem. This article covers a wide variety of noises common to the hard working Chevrolet Silverado. I have noticed that the car will start to jerk/pull when I let off the gas pedal. doesn't clunk when letting out the clutch. Noise is perceptible only when engine is under load, letting off the gas pedal makes the noise disappear. 6l Pentastar and 2% of them had an issue with getting cracks in the head (2011, '12, and '13s actually were covered to 150k for this issue) or the ticking sound may be from the fuel injection system. Seems to do it all the time under those no load conditions but seems more noticable at like 25-30 mph and I try it. It feels like I hit the breaks for a fraction of a second then it resumes to decelerating at the normal smooth rate. This is the changes to the rear. starting from a complete stop and taking off smoothly the rpms will rise normally and right as it shift the truck just loses all power and lugs real bad and slowly. 5L EcoBoost, but the sound happens consistently even when moving very slowly and lifting off the gas pedal after barely touching it. 8litre, 2wd 150000 miles Braking vibration Brake pads Vibration Noise Brake pedal I have this problem when I apply my brakes, just as I'm about to stop my brake pedal has a slight vibration and creaking sound that is driving me crazy. Goes away when letting off the gas and comes back when on the gas. This only happens when I completely let off the accelerator. has anyone ever had a problem like this before? i have not done any suspension work at all so it shouldnt be the struts unless they are known to. With music on, you can't hear it. I started noticing a whining down noise when I release the throttle and come to a quick stop. Any ideas would certainly help. Experience the sound and power of a performance exhaust system on your 2017 Chevy Silverado 1500. because the "base radio may not work, preventing audible warnings if the key is in the ignition when the driver's door is opened. It makes noise when driving it seems to stop when you let off accelerater. No noise on acceleration from any speed or stop. How Can I Tell If It's Internal Transmission Damage? Transmission with Both Solenoid Failure and Internal Damage. Notice: Undefined index: HTTP_REFERER in /home/forge/shigerukawai. As outfitted, it was about $40,000 and came with two bench seats, a chrome front bumper, power heated mirrors, automatic headlamps, a. Normally cruising on a flat road will let out the noise at a lower level than when climbing a slight hill for example, but it is always hearable as long as the gas pedal is depressed (engine under load). Thousands of customer reviews, expert tips and recommendation. Suddenly you may hear a rattle. The yoke right after the carrier bearing had a little play and i constantly had vibration after releasing the gas pedal at 62-67mph. and when i let off my foot on gas pedal, i didn't hear any whining noise and when i let my foot on the gas pedal again, i can hear that noise again. Any idea what this could be? The car is a 2002 Civic. If I let the truck warm up in the driveway and the thermostat opens up it doesn't do it but when I am driving from a cold start up and the lifter clatter it takes a couple of miles to stop clattering and doesn't make the noise again until the engine cools off. Took it to the dealer and they said it might be the electric coupling and need to remove the driveshaft. ok i have searched threads endlessly and cant find anything relative. Guys my 1992 NSX is have a weird issue, its never done this before, when I press the gas everything is normal, thru 0. i'm thinking it could be the power steering pump going bad. The problem is when coming to a stop and after letting off the brake there is a loud clunk, the only sound I could describe, it's like something moves forward when stopping and then moves backwards after complete stop and brake is released. When you give gas it starts again. Was hoping y’all could give me a hand again. I jacked up the car put it in neutral and spinned all the wheel but could not find the clunking noise. Update: Did some snooping and it doesn't seem like its coming from the exterior of the vehicle. There's kind of a hum or whine while in motion and under acceleration. Chevrolet Silverado 2003 Silverado, LS, ext. You can compare the noise to an electric very high pitched whine. 5L inline four-cylinder engine option. been hearing this unusual noise lately when letting off the gas, and i can feel it in the front end too its almost like a faint grinding sounds fairly similar to a flat tire with the whomp whomp whomp noise but not really if u kinda get what im saying lol anyways buddy of mine told me its. Honestly can't remember but I want to say that while in the field I tried it in H, L, and all three positons of drive (2wd, 4 wd, and AWD) and heard the noice each time when letting off the gas. Goes away when letting off the gas and comes back when on the gas. Q: I own an older vehicle with higher mileage. Normally cruising on a flat road will let out the noise at a lower level than when climbing a slight hill for example, but it is always hearable as long as the gas pedal is depressed (engine under load). Boost only dropped to -7 and the AFR never leaned out of the 14s. In this case, you should not use the car until the knocking engine noise has been fully and properly tested, diagnosed and repaired. Perhaps this is causing the engine to move in its mounts. The Mitten is a state for heavy hitters. I was driving on the interstate one. Also when I turn off the engine, it does a "clunk" noise. Loosen the gas cap to relieve the pressure and be prepared for a little poof of gas when you take it out if all the pressure is. I was getting a humming noise from what sounds like the front end (hard to tell). This is something I listen to. I turned the truck off and spuns the front wheels and hear a noise coming from the driveshaft where it enters the transfer case. I only really notice it when I back off the gas. When I am giving it fuel I never hear it. There are two possible answers to your leaking gas valve question. I have about 8K on my truck and I only notice this "clunk" noise when I am taking off from a stop. almost like a thudding. It sounds kind of like an old wind up clock being wound up when the spring breaks and releases its energy rapidly by spinning in circles. We are more than just Air Conditioning! We offer total car care from repair services to maintenance services. starting from a complete stop and taking off smoothly the rpms will rise normally and right as it shift the truck just loses all power and lugs real bad and slowly. When driving on the highway over 45 mph, I hear a humming noise when I take my foot off - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. 7 MILES PER HR AND LETTING OFF THE ACCELERATOR PEDAL A SINGLE CLUNKING NOISE COMES FROM THE REAR OF THE VEHICLE. You have a problem with the anti evaporation system, either in the rollover valve, charcoal canister, or purge valve. I have an 01 z71 extra cab and it makes a noise while accelerating. Bad gas can cause an engine to run rough or stall. So once the Rpms fall to 1200 or so there is no more noise. Car has 62k miles on it. noise when letting off the gas plus metal in the rear diff is heavily weighed towards a bad differential (aka pumpkin). i dont hear it when im on the throttle. When I let off the throttle above 50 mph to coast or slow down, sounds like a bearing noise, groaning grinding. I get it home, put it in park and turn it off. It quits when I completley let of the gas but if I hold the pedal with just slight pressure on it, it continuously makes the noise until I get back on the gas again. This is the changes to the rear. Listen to the fuel pump for a change of noise pitch. Moisture sometimes finds its way into underground fuel tanks, and engines don't run very well on water. i don't know if I'm trippin or not if that is normal. ok i have searched threads endlessly and cant find anything relative. I started and stopped the car and the sound stopped. I read in the paper that Honda is coming out with a new hybrid, due out in 2009, that will suposedly be small and more affordable than current hybrids. 0 mph to 45 mph speeds after 45 if you press the gas all is well but when you let off the gas and the car's speed drops you hear this thumping sound. I have about 8K on my truck and I only notice this "clunk" noise when I am taking off from a stop. Stumbles and runs rough at lower throttle positions (just off idle). I saw this exact problem solved on youtube the other day. I hear the noise when letting off the gas on the highway or when coasting down a hill in neutral or with the clutch engaged. 23 ratio locking diff. 5-2014 GM Silverado/Sierra 2500HD/3500HD today! The low-profile design gives your vehicles a clean and functional style. I can leave off for 10 minutes or so then restart the gen. He put the machine up on a stand to allow the rear wheel to spin and simulate on the road travel. When you put it in 4X4 the front end starts pulling and takes some of the load off of. sometimes its lound other times i dont hear it. I've started to get a ticking sound out of the engine the last few weeks. You likely use it to get to and from work, to get the kids to school and any other errands you have each and every day. Thousands of customer reviews, expert tips and recommendation. but its very annoying. I recently changed all the fluids over to Amsoil. It sounds kind of like an old wind up clock being wound up when the spring breaks and releases its energy rapidly by spinning in circles. sits at 3k for a while and i have to let off gas pedal for a few seconds to let the tranny shift. In fact, when I step on the gas it all but disappears. but yeah even as long when I'm in at least 2nd gear and up, and i just leave it in whatever gear it is. after letting foot off gas pedal (Deceleration) - Help This has been an ongoing problem. Tin sort of a sound. It makes the noise when about 30mph or higher when releasing my foot off the gas not at full release of the gas but just a slight to moderate release. Super 40 Series Offset/Center Oval Muffler and watch all the other drivers' heads turn as you rumble down the road. The dealership told us that all the 2011 chevy Silverado's accelerate on their own. Contrary to popular belief, restarting your car does not burn more fuel than leaving it idling. it can get pretty loud and annoying. OK, I've had it. During the mid-90s I drove a 1980 Ford Granada and the automatic transmission was the same way -- I had to let up off the gas to achieve an upshift. No sound during acceleration from a stop. The fuel pump is critical for delivering fuel from your car’s gas tank to the engine. It appears to be coming from the engine. Groaning/creaking sound when releasing brake - posted in Conti Talk: If I release my brake slowly and stop again esp at traffic lights, I can hear this creaking metallic sound coming from my rear, as if some hinges is not well oil. I hear the noise when letting off the gas on the highway or when coasting down a hill in neutral or with the clutch engaged. Just crusing down the highway yesterday and all felt fine. WHEN BACKING UP VEHICLES AT APPROX. miker104 , August 10, 2011 Top of Page. Maybe turbo. I read in the paper that Honda is coming out with a new hybrid, due out in 2009, that will suposedly be small and more affordable than current hybrids. No braking until the end at all. It also could be a sign that your alignment is off. 6l Pentastar and 2% of them had an issue with getting cracks in the head (2011, '12, and '13s actually were covered to 150k for this issue) or the ticking sound may be from the fuel injection system. it can get pretty loud and annoying. See all problems of the 2000 Chevrolet Silverado. Chevrolet Silverado 2007-2013: Transmission Problems and Diagnostics. I sounds like the clunk gets transmitted all the way through the trans. If I accelerate quickly from 50-60 there's no rattling noisebut that's also because I get out of the RPM range too quickly. 2- A tap occurs when the wear adjuster for one of the valves has sludge blocking oil to it. Sounds like it is coming from. Tapping noise when you let off the gas 2 Answers. Also replaced the AC belt. If one or more of the cylinders reads well below the rest, use a trigger-type oil can to send a good squirt of motor oil down the spark plug opening, and retest the compression of that cylinder with the gauge. If you’re looking for tailgate operation so smooth you could virtually use a single finger, then Dee Zee Tailgate assist is the choice for you. If the burners ignite and heat, the problem isn’t the gas supply. Depending on the amount of water in the tank, you may want to drain the gas tank and leave it empty for a while so that it can dry out. I am having a problem with my 2004 Jeep GC. do you think it is the transmission mount? Answered! View the answer I have this problem too Subscribed to new answers. Braking has traditionally been better than equivalent Fords, which is reason enough to choose a Chevy over an F-150. Let off the gas once and the throttle never fully released. hey everyone. The truck has 50K miles on it. Driving on the highway at 100 kl suddenly cruise kicks off and engine begins to run rough, missing sucking for gas loosing power. Grinding/Rattling noise when taking foot off gas My wife's '08 versa is having an issue when she takes her foot off the accelerator at speeds of say 30mph or higher (might happen lower, but haven't been able to determine that), the engine will make an audible rattle or grinding noise. Thousands of customer reviews, expert tips and recommendation. When I lift off the throttle I hear a grinding-esque noise that stops once the transmission is done lowering rpms. I've started to get a ticking sound out of the engine the last few weeks. Let off the gas once and the throttle never fully released. It shifts perfectly and drives very smooth at all speeds. Noise heard from rear under side when car is off Several hours after turning off my 2012 Forester, I still heard a high pitched humming noise sound, almost like a fan or motor, coming from my rear undercarriage. The Chevrolet Tahoe and Chevrolet Suburban can seat 7, 8, or 9 passengers while they have plenty of leg and headroom to feel comfortable wherever the road takes you. If you are looking to heat your entire house evenly from one location outside the living area, this may be the Forum for you!. The noise does not go away when I swerve from side to side. See all problems of the 2011 Chevrolet Silverado. sits at 3k for a while and i have to let off gas pedal for a few seconds to let the tranny shift. DEALER CANNOT FIGURE OUT WHAT THE CLUNKING. On the road, the Silverado 1500 is very quiet at idle, with a well muffled muscle-car exhaust sound under acceleration. CLiCking Noise whenever letting foot off the gas pedal. Instead, it is ready access to portable electricity. For the most part, your vehicle should run smoothly, but every once in awhile something goes wrong and you get a vibration. It seems to shake more if I let off the gas into the turn; when I punch it it usually levels out quickly. noise when letting off the gas plus metal in the rear diff is heavily weighed towards a bad differential (aka pumpkin). Any of you guys have an idea? also got my new magnaflow 14" on today. Clicking noise when letting off gas pedal while in gear Before I take the car in, I'd like to pick your brains as to what may be the cause. 3,I'm assuming 4l60e trans? not sure. I have a 2005 Chevy Silverado 1500 crew-cab,2wd. It is very loud, but doesn't seem to affect anything as far as power/performance. The transmission seems to be shifting fine and I just had it flushed. It does not sound at all like air, it sounds metalic (I think). If taking your foot off the gas pedal saves fuel, then a clogged filter will save fuel too. I'm using 75w-90 Severe Gear in the trans, I just don't remember if it had a whining noise like that before. When a clutch slips, the engine will rev, but the car doesn’t move as it should or not at all, says Bob Waeiss, owner of highly rated Integrity Automotive in Carmel, Indiana. Problem(s) started with noise from rear of coach , hard steering, loss of hydraulic fluid. When in the off position there. When I get over 60 mph and let off of the gas there is a grinding/rattling noise. almost like a thudding. The consumer had the u joints replaced, thinking that would correct the problem. This information may be used by NHTSA during the investigation process. Update: Did some snooping and it doesn't seem like its coming from the exterior of the vehicle. Check out the 10 ways you're killing your diesel engine with these easily avoided common mistakes. Was driving it yesterday and when you let off or ease up on throttle the is a knocking noise that sounds like coming from r-side of front end. The mechanic at the dealer I use has no idea what could be causing it, and cannot discern where it originates. This seems to happen at any RPM and it doesn't happen all the time. Sounds like it is coming from. Keep the elements out of your vehicle while letting fresh air in. sometimes it does it and sometimes it don't. I notice it more when i let off the gas, although I think it still remains while giving it gas. Instead, it is ready access to portable electricity. Never any sponsored content, just the truth about everything! Learn how to fix your car and how it works. I'm not quite sure what it is so i thought I'd get opinions from someone a bit more knowledgeable. The groan is louder if I release the gas at higher RPMs, even when I am in neutral. On the road, the Silverado 1500 is very quiet at idle, with a well muffled muscle-car exhaust sound under acceleration. Any ideas what's going on?. A tach is not supposed to move up and down unless the truck's speed is fluctuating. I can leave off for 10 minutes or so then restart the gen. This means that the ability to write new posts and access various member features will go away. Grinding/Rattling noise when taking foot off gas My wife's '08 versa is having an issue when she takes her foot off the accelerator at speeds of say 30mph or higher (might happen lower, but haven't been able to determine that), the engine will make an audible rattle or grinding noise. I hear a sound like that in my '97 Legacy GT sedan. Transmission Clutch Diagnosis. This week it has become louder and happens at 40 mph. Petcocks are commonly and interchangeably referred to as fuel valve, gas valve, gas cock or petcock. Most often brake rattle happens when you let up off the pedal. Chevy Silverado and GMC Sierra Truck Repair Help. about all trucks. I bought one of those aluminum things that raise the intake one inch and are supposed to increase mileage (can't remember what they are called) and they made the Jeep whistle like crazy on acceleration. Chevy and GMC Duramax Diesel Forum > General Topics > General Discussion > Getting a jerk when letting off of brakes the bump when I hit the "gas" pedal on take off. Read 2016 Ram 1500 Owner Reviews, Expert Reviews, Prices, Specs and Photos. At higher revs the engine seemed to be a slightly down on power. if i press the accelerator hard, my car wont make the whinning noise, but if i slightly push down on the accelerator and hold it, it will make a whinning type noise. I first noticed when on cruise control going down a hill (you know when the cruise lets off the gas to maintain speed) It seems to happen consistently right on the verge of letting. sometimes 2-3 min before it stops. It was a Single Chirp and could happen at any speed. When I let off the gas the vibrating stopped. makes the same clunk when letting off gas and. Now, here's a first-hand video tour of the truck, its new frame and updated 6. Dry camping or driving running off my generator everything works fine for about 10-13 minutes with both units cooling nicely. It sounds like it may be coming from the rear of the truck but I believe I can feel some vibration under the driver seat? Any idea?. It is very loud, but doesn't seem to affect anything as far as power/performance. Chevrolet Silverado 1500 Steering May Develop Clunk Noise From Upper Intermediate Steering Shaft - 196 reports. I have a 1999 chevy silverado it is making noise from underneath from the drive shaft back or thats where it seems to come from. I get it home, put it in park and turn it off. I saw this exact problem solved on youtube the other day. Check out the 10 ways you're killing your diesel engine with these easily avoided common mistakes. Need more info about the noise. Believe it or not, knowing how to siphon gas isn't just for petty criminals! This skill can be handy in all sorts of situations, whether you run out of gas miles from civilization, need to winterize a vehicle, or simply want to refill your lawnmower without having to make a trip to the gas station. I recently had new fan belts installed after hearing a high-pitched, whining noise, but that didn’t solve the problem. The groan is louder if I release the gas at higher RPMs, even when I am in neutral. To make a long story short,I have an 04 Silverado,5. I started noticing a whining down noise when I release the throttle and come to a quick stop. I noticed a strange humming noise on the way home from buying it while coasting around 40mph. A clicking noise while turning in a front wheel drive car is usually caused by damaged or worn CV joints. Mine got so bad once that it would make a whirling sound, ended up being the drive shaft moving so far that the little metal sling ring on it was actually contacting the cross member that the bearing is mounted to. When I pulled out and started accellerating down the road, the car was vibrating it felt like the wheels, it did not have much accellerating power and it took me a while to get up to speed. 2002 283,000 miles. Keep the elements out of your vehicle while letting fresh air in. When you put it in 4X4 the front end starts pulling and takes some of the load off of. And if i brake while the car is making that noise, the breaks make an even worse screeching sound (but my breaks don't squeal when my car is not). When above 45 truck make a loud ping noise and jerk when letting of the gas. or if i were to get on the breaks it would go away. The noise matches my speed, rather than RPM. Land Rover Discovery 1999 Series 2 Mileage: 113,202 No Modifications to engine or drive train Problem is when I let off the gas it starts to grumble/ kind of a grinding noise (I'm not using the brakes) it goes away after 15 mph or less. No braking until the end at all. Chevrolet Silverado 2003 Silverado, LS, ext. 2001 Chevy Silverado Truck Question: I can start my truck and it dies if i keep giving it gas it will stay on but as soon as let off the gas the Silverado dies. Find 2011 Chevrolet Silverado 1500 recalls information, reported by the NHTSA, and we will help you find a nearby service center where you can get your car fixed. Sometimes this effort is so great that when backing or in a parking lot, I must apply force then the vehicle lurches forward. You can also inspect the mounts to see if they are old and worn out or not. I notice it more when i let off the gas, although I think it still remains while giving it gas. The car would go just fine, but if I let off the gas for any reason, even if I was driving 40 miles an hour on the street and let up completely off on the accelerator, the rpms would immediately drop to 0 and the engine would immediately die—no noise, no shuttering, no nothing—just die. It doesn't happen when I accelerate or decelerate, only when I take my foot off the gas to coast. It sounds like it may be coming from the rear of the truck but I believe I can feel some vibration under the driver seat? Any idea?. Thousands of customer reviews, expert tips and recommendation. Any of you guys have an idea? also got my new magnaflow 14" on today. This information may be used by NHTSA during the investigation process. Check out the 10 ways you're killing your diesel engine with these easily avoided common mistakes. what could the whining be - Chevrolet 1989 K1500 question. Initially I thought it was coming from the clutch, since I associated it with pressing the clutch and letting off the gas, but then I found that I got the same noise from letting off the gas without disengaging the clutch. its a 2003 VW GTI 1. sounds sick. Most often brake rattle happens when you let up off the pedal. I let off the gas, rpm's drop and I give it some gas again. com or call 800-298-8924. im not sure what it could be and what i can do to eliminate or troubleshoot this issue. Chevy Silverado 2500 HD 2005, 1-Click Extreme Z36 Truck and Tow Drilled and Slotted Brake Kit with Calipers by Power Stop®. Guaranteed fit 2017 Chevrolet Silverado 2500 accessories. While riding home from work today, I noticed a pretty loud whining noise I believe is coming from the trans. I was going to get new struts, but the Van needs a few other repairs done too, so trying to spread the money further. There's kind of a hum or whine while in motion and under acceleration. CLiCking Noise whenever letting foot off the gas pedal. What's happening is when I am going down the highway and let of the gas there is a mix between a grinding and whining noise. Usually it sounds like the rattle made when shaking a can of spray paint. I noticed a strange humming noise on the way home from buying it while coasting around 40mph. It does not sound at all like air, it sounds metalic (I think). View our entire inventory of New or Used Motorcycles. The noise matches my speed, rather than RPM. Drove the car to Nags Head this weekend and about 3/4 of the way there when I got into some 45MPH zones, I noticed a clunking when I would let off the throttle only. At higher revs the engine seemed to be a slightly down on power. Check the exhaust system when the engine is off for several hours. It too seems so much more pronounced while going like 25-30 mph and let off than when going like 60 and let. My Silverado has a noise down by the flywheel that sounds like a card hitting a bike spoke like we were kids. I jacked up the car put it in neutral and spinned all the wheel but could not find the clunking noise. It happens when I let off the gas then reapply the gas while moving. 2007 Chevy Silverado: Hybrid - Serious Jolts While Driving When I let off the accelerator at low speeds and then apply the throttle, there is a clunking noise. (Page 1 of 2). Chevrolet Silverado 1500 Suspension Problems. Excellent article. It is coming from the front. This foam causes the shock to lose some of its control. I then drove a 2006 Silverado identical to mine with 3. sometimes it does it and sometimes it don't. i dont hear it when im on the throttle. Under normal circumstances, no steering wheel makes noise when turning. Chevrolet Silverado 1999-2006: Common Noises Diagnostic. Read on for effective ways to track down noises, both outside and inside the cabin, and what can be done to correct them. Open the hood and try to rock the motor front to back to see if it moves easily or you hear the thud when you move it. I finaly changed the yoke got a new u. Guys my 1992 NSX is have a weird issue, its never done this before, when I press the gas everything is normal, thru 0. just had the rear diff pinion seal replaced. What would cause I grinding sound coming from underneath my 2000 silverado Z71? I hear a terrible grinding sound coming from underneath my truck. There is a very high pitched noise coming from the engine compartment on the drivers side. Thought it was a heat shield but no go. Changed out the rear pads and rotors with no change. It seems to shake more if I let off the gas into the turn; when I punch it it usually levels out quickly. It made no noise.