Question about 2006 GMC Envoy

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High pitch sound when giving gas - 2006 GMC Envoy

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Some possibilities are; belt tensioner, belt idler pulley, alternator. A mechanic using a stethoscope can isolate where sound is coming from.

Posted on Sep 29, 2010

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Posted on Jan 02, 2017

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1 Answer

How do i fix this problem ? clanking high pitch sound coming from intake.


have a compression test done as it may be a loose valve seat insert
balance shafts are just shafts and unless you have done a bearing for the shaft it will not make a clanking sound as there is no pressure applied to the shaft
basically a balance shaft is like a flywheel that takes vibrations out of the motor

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My 2003 gmc youkon is squealing when you step on the gas


It sounds like your serpentine belt is going. I would have that checked out for wear and also have the pulleys that coencide with it checked as well.

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There is a high pitch noise on my 1994 honda civic it sounds likes it need fluid but its all the way full help???


sounds like a vacume line has came off someplace which would give it a high pitch ringing noise

Feb 08, 2011 | 1994 Honda Civic

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High pitch whining sound from engine


Check the power steering fluid if its low it could cause this. Also could be alternator, water pump, ac compressor, or idler pulley. My bet would be on the idler pulley, its the one that keeps the belt tension constant. Remove the belt and check this pulley for slack also spin it by hand.
Good luck, dont forget to rate.

Jan 05, 2010 | 2006 Suzuki Grand Vitara

1 Answer

Sound like a jet engine when you get about 30 mph it continues when you let off gas it seems to disipate as soon as you give it gas it starts again


I am assuming you mean a high pitched whine. a high pitched whine is usually a sign of low fluid. Check your transmission fluid. Then check your differential fluid. the plug in the middle of the diffrential, remove it and stick your finger in there, you should be able to feel oil. If you dont then you need to add some gear oil.

Oct 14, 2009 | 1999 Jeep Grand Cherokee

1 Answer

When i give my car gas a whistle comes from the engine. It's a high pitch continual sound. When i let off the gas the whistle stops. It sounds like it's coming from the top of the block.70k miles...


Sounds like a vacume leak, chk. for a cracked or broken vacume line or maybe one came off. Does it idle ruff? With it running open hood and listen for a low pitch whistle you may have to rev it up a little.

May 31, 2009 | 1986 Ford Thunderbird

1 Answer

High pitched squeal in engine


loose fan belt?

Put the car in neutral, set the parking brake, open the hood, get someone to listen/see where the sound is coming from, as you press on the accelerator.

Dec 26, 2008 | 2000 Dodge Neon

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