when i start the gmc it screeches and than starts

Asked by Feb 21, 2017 at 05:50 PM about the 2005 GMC Sierra 2500HD 4 Dr SLE 4WD Extended Cab SB HD

Question type: General

each time i turn the key it screeches and when i turn it again it starts

1 Answer

73,035

Sounds like the serpentine belt and a belt tensioner need to be replaced at least, once the belt is off all the other pulleys like the idler pulleys would need to be checked at this time.

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