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2002 GMC Yukon XL Denali

 

Question: humming noise

Question

robsgirl4eva, Yuma, AZ, May 12, 2009, 00:08
 Rookie

What makes a humming noise when accelerating and jerks when the vehicle is accelerating?

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  • Answer #1

    fernando August 23, 2009, 14:32
     Master

    The Humming noise could be caused by a Drive Belt incorrectly routed/adjusted, missing or worn out. Inspect also the Fan Clutch and A/C components.

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