Why is my 97 chevy Silverado c1500 whining?
50

Asked by Owentyree Dec 31, 2017 at 09:36 AM about the 1997 Chevrolet C/K 1500 Silverado Extended Cab Stepside RWD

Question type: General

For the past 20 years this truck has made a whining
noise and no body can figure it out. We have
changed almost every part on this truck and it still
whines. Any help?

10 Answers
159,085

Bob answered 6 years ago

Whining is usually alternator, power steering or transmission.

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103,225

KenF answered 6 years ago

Try leaving the wife at home.

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159,085

Bob answered 6 years ago

Pull the serpentine belt off and briefly start it. If the noise stopped then it is something that the belt turns.

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45,205

jamnblues answered 6 years ago

TWENTY YEARS!!! lol thanks for being the best post I have read this year!

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Jaycowart11 answered 5 years ago

Mine started whining when my IAC valve started to go bad... Its basically a tiny gap in the plunger that whistles while accelerating. Got pretty loud a few times too, but made it easier to diagnose. Easy screw out fix and replace right on the left side of throttle body.

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10

Aloha_Cruiser answered 5 years ago

Mine whines too. Thought it was the alternator took off the belt and still made the noise. Coming from the throttle body. Maybe a pump or valve or something in there. Going spray with some cleaners and check the lines.

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10

Wil_Isley answered 4 years ago

So... were you able to find a solution? Please post an update ;)

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