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Ron

Ron 3/31/2012

2004 GMC Sierra 3500 SLE 8 Cyl 6.0L

Engine

Whirling noise at start up. When temperature is cold. Sounds like a blender.

Only when cold

1 Answer


CVO

CVO 3/31/2012

Does this vehicle has a Mechanical (Belt Driven) Fan... Yes,... check the fan clutch.

See this Engine fan and clutch assembly-gasoline engines

http://www.autozone.com/.../...rGuideContent.jsp

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