2003 Chevy Avalanche 4 wheel drive whining

Tiny
MLULAY
  • MEMBER
  • 2003 CHEVROLET AVALANCHE
  • V8
  • 4WD
  • AUTOMATIC
  • 40,000 MILES
My 4wd has developed some sort of whining problem. Ive changed out the gear oil and found no signs of wear or burning. As soon as the 4wd is turned off it disappears. All the driveline coponents are intact and in good working order.

please help!
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Thursday, December 10th, 2009 AT 6:50 PM

1 Reply

Tiny
SCOTTY DEE
  • MEMBER
Did you use 75W-90 synthetic gear oil?
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Tuesday, January 26th, 2010 AT 12:29 PM

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