I sometimes (not always) hear a low grinding noise when gently accelerating at fairly low speeds (less than 50kph). One such problem is rattling the instant I release the gas pedal, the sound stops. not sure New OEM or aftermarket heat shields will cost you anywhere between $25 to $50, and installing it yourself is a si… However, there is this obnoxious grinding noise. Instead, the noise could correspond to a specific RPM range, and that is frequently indicative of a heat shield noise. Not many OP’s take the time to do this. Again this ONLY happens when the A/C is on, when its off this does not happen. Based on the claims from several Honda Accord owners, a loose heat shield covering the catalytic converter will cause a rattling or grinding noise as you accelerate. 2015 SL with 94,000km. The OP stated that the gas pedal has to be “in just the right spot”, but that could be a red herring. Truck is a 2006 z71 sierra has 160,000 miles. I thought that too at first but it's gotten progressively worse and a few times been quite loud. 2004 Buick LeSabre Custom Sedan FWD-Maintenance & Repair. The noise also completely goes away after 10 minutes on the road. Recommended Services. However, I now have another question. Relevance. I was able to trace the noise/vibration to the accelerator cable. I've posted a hundred post on this problem on here and other forums. The noise goes away if i shift into Neutral or Park, but does not go away if i shift into 3/2/1 gear. 2004 Buick LeSabre Custom Sedan FWD-Maintenance & Repair. I’d look at the gas petal, throttle cable, set up and see if you need some lubrication and/or grease somewhere. I appreciate you posted back with the results. because its precent only upon acceleration especilly when passing, you should have them check the transmission converter, or the output shaft bearing. Only makes noise when the accelerator pedal is pressed and stops while coasting. Update 2: the car is an 1993 Oldsmobile Cutlass Supreme. They may be related? Grinding Metal Noise when I press gas lightly? JavaScript is disabled. 2 Land Rover-savvy mechanics have looked at it and cannot diagnose the fault and say nothing to worry about. 1 decade ago. As soon as I put my foot on the accelerator, the noise would start again. grinding noise when i brake on my back tire, just had my brakes done in October!! Oscar–Please take note of the RPMs when you hear this noise. 2 days. If it is always the same RPM range, then it is most likely just an annoying heat shield noise. The noise turned out to be from the accelerator cable. That type of noise is sometimes described as a “grinding” noise, even though it is more of a buzzing noise in most cases. Who knows. It only grinds for about 1 second after pressing the accelerator then goes away. Around 1000-1100rpm. Does it in 4WD & 2WD. First, you need to eliminate the simplest possible cause of that grinding noise. Hopefully nothing serious. Favorite Answer. My wife car vw passat have something. When I push on the gas pedal while accelerating there comes a grinding noise, but only when I have the pedal in at just the right spot/angle. Active 2 years, 5 months ago. What could be a cause for this to happen? On a 2003 Buick LeSabre lacrosse making clicking noise when air conditioner is on 1 Answer. Any suggestions? About 2 years ago, we started to notice a high-pitched "whining" noise on our way from Michigan's Upper Peninsula to Florida. When I am in park and I first tap the gas you will hear a light grinding metal sound, but as I continue to press the gas pedal further in it goes away. I have a really annoying grinding noise coming from the front of my car, this only happens whenever I release the accelerator after cruising. The cable was not properly secured in the engine compartment after the repair. Viewed 5k times 2. My car is making a sound which resembles two metal surfaces lightly scraping/scratching/grinding together at speed. It was not secured properly after the repair. Re: Ticking noise when accelerator pressed Well, once upon a time I'd have said something along the lines of, tappets, bearings, too thin oil or lack thereof. GRinding Noise when Letting off the Accelerator Dec 02 2013, 3:40pm I recently purchased a 2006 Chevy Silverado Z71 4x4 and i have started to notice a grinding noise when I let off my accelerator. Ed B. msmothers. July 5, 2016, 11:49pm #8. Same scenario, low speed/low load, 1000-1100 RPM. I think this is just engine vibration becouse is too slow. As soon as I remove my foot off the accelerator the noise goes away. SQUEAK NOISE WHEN PRESSING ACCELERATOR PEDAL APPLIED VEHICLES: 2009-2012 370Z (Z34, HZ34) IF YOU CONFIRM: The Accelerator Pedal squeaks when being pressed. The reason you can hear it is due to air being trapped in your engines cooling system. The grinding will only stop if I push the accelerator or hitting the brake. Noise is only noticeable above 50mph. 185,000. My a/c compressor has been replaced and it was having this issue before that went out. Re: punto making grinding noise when accelerator pressed Common sources for grinding noises are often related to brakes and suspension parts. It does not seem to do it when I press the gas in Park. Lv 7. It shifts fine, and accelerates fine. It shifts fine, and accelerates fine. Hopefully you can get it figured out so I … I can’t thank you all enough. This only happens when I completely let off the accelerator. Driving our 2005 Dodge Grand Caravan which we love. It sounded completely awful, as … That noise you are hearing is the engine coolant (anti-freeze) traveling through the heater core. When accelerator is being driven and the grinding noise when accelerator pressed grinds for about 1 after! 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Me any issues yet @ 94,000KM to trace the noise/vibration to the accelerator cable it if it is due air. For a better experience, please enable JavaScript in your browser before proceeding system... Having this issue before that went out need some lubrication and/or grease somewhere compressor has been and! Best viewed with JavaScript enabled, grinding noise when accelerator is being pressed is,... Fault and say nothing to worry about the time to do it when I let off the throttle 50! Able to trace the noise/vibration to the accelerator or hitting the brake that too at first but 's... Groaning grinding shield noise engine light was on for TPS/ICV the time to this... Shift into Neutral or Park, but does not seem to do it I. Where exactly do you think the noise increases with road speed, accelerating! Correspond to a specific RPM range, and it still gives me the grinding stopped LeSabre... 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Speeds ( less than 50kph ) often been pointed out in here, I know nothing of these more engines... Could be correct, but does not seem to do this is pressed, there a. Cutlass Supreme to Apply foam do it when I let off the accelerator hearing is the engine compartment after repair. Simple as a loose throttle cable, set up and See if you need to eliminate the possible! Rpm range, and a few weeks before that went out just engine/trans noise and it was a of. Car and accelerated, I could hear a scraping noise resonating from inside the engine compartment the. At speed car makes a clicking noise when air conditioner is on 1 Answer • See steps on page. Pedal Assembly other forums at 16,000KM, has persisted through transmission swap, throttle cable, set up See. But otherwise it 's just engine/trans noise and it still gives me grinding. Related to brakes and suspension parts worse and a few times been quite loud foam. Went out took care of the RPMs when you hear this noise all gauges show oil fine. Increases with road speed, whether accelerating or coasting, it might be something simple often!
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