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Hear a loud high pitched whistle in engine compartment after
Hear a loud high pitched whistle in engine compartment after startup in very cold (below freezing weather). It is intermittent during driving in same conditions. It sounds like a vibrating grille. … read more
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Chris Walker
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2015 gmc 3500 6.6L. Whining sound when accelerating and
2015 gmc 3500 6.6L. Whining sound when accelerating and decelerating. Possibly all the time just drowned out by road noise when up to speed. Sounds to be coming from passenger side of engine. Replaced… read more
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While driving with cruise control on, it will sometimes
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I get P0128 error code. Research says thermostat, temp
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My GMC Envoy is making a high pitched squeal when i
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I just got a 2005 gmc yukon sle v8 5.3L automatic yesterday,
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I recently bought a 2002 GMC Sierra 2500HD Duramax with 120k
I recently bought a 2002 GMC Sierra 2500HD Duramax with 120k on it the brakes are a little soft I can depress the brake fully and the truck doesn't stop and at low speeds when I turn the wheel to the … read more
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Gm Tech (Cam)
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After having the common problem of the vehicle starting with
After having the common problem of the vehicle starting with the AC on this is a 2004 GMC Envoy 4.2 liter I'm still having the same problem after cleaning throttle body even replacing it … read more
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My wife's 2007 GMC envoy is making a gh pitched, whining
My wife's 2007 GMC envoy is making a high pitched, whining sound at different times. I think it may have something to do with the engine fan or fan assembly, because when I opened the hood and let it … read more
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My 2008 Yukon XLT Denali light is coming on oil pressure low
My 2008 Yukon XLT Denali light is coming on oil pressure low turn of engine what do I do … read more
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I HAD MY FAN CLUTCH AND SENSOR, STARTER, ALTERNATOR,
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gmc Jimmy sle: Ive got a 99 gmc sle Jimmy 4 door 4 wd. I
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GMC Envoy XL: High pitched whine coming from engine compartment
High pitched whine coming from engine compartment that changes with RPM. Barely noticeable at idle, but loudness increases with reving engine in park. In drive, the noise is the same, increasing at hi… read more
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GMC Envoy SLE: why is the gmc envoy 2007 making whining noise
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Gm Tech (Cam)
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GMC Envoy SLT: I have a similar problem that when I accelerate
I have a similar problem that when I accelerate it kind of sounds like a plane taking off or that the vehicle is in overdrive… read more
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GMC Savna: After I drive my 2000 GMC Savana 2500 van for a
After I drive my 2000 GMC Savana 2500 van for a few miles I start to hear a whine coming from the engine when stopped idling. I took it to a mechanic and he took a stethoscope looking thing and listen… read more
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Meet the Experts:

Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

1,837 satisfied customers

GM Grand Master Technician 2007. 14 year experience.

Gary

Gary

ASE Certified Technician

1,589 satisfied customers

GCM master tech over 25 years

Dave Nova

Dave Nova

GMC Technician

929 satisfied customers

ASE Master Certification. GM World Class Certification

Chris (aka-Moose)

Chris (aka-Moose)

GMC Technician

705 satisfied customers

16 years of experience

Ron Z.

Ron Z.

- GMC Tech -

291 satisfied customers

18+yrs experience. State Inspector & GMC Diagnostics/Repair

JFN1

JFN1

ASE Certified Technician

272 satisfied customers

GM Master Technician

Don - Mo Lurch

Don - Mo Lurch

ASE Certified Technician

234 satisfied customers

GM, GMC, Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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