2004 Chevy 4X4 Avalanche

Tiny
HSP700
  • 2004 CHEVROLET AVALANCHE
  • V8
  • 4WD
  • AUTOMATIC
  • 170,000 MILES

When I put the truck in 4x4 there is a humming or whinnying sound. All the fluids looks good and the u-joints are also good. What could the noise be? Thanks for the reply

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Saturday, February 12th, 2011 AT 10:24 PM

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Tiny
HMAC300
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  • 45,726 POSTS

It could be just bearing noise or tire noise.

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Tuesday, March 15th, 2011 AT 11:32 PM

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