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2002 GMC Yukon XL Denali Question: vibration at 50 mph

 

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True55, Austell, GA, January 24, 2011, 06:38
 Rookie

I recently had to replace the rear transfer case seal on my 2002 Denali XL. right before the replacement when i hit 50 + mph i can hear a very distictive noise. As the mph increases so does the noise. So i thought once i replace the seal it would stop. i still have the noise at 50 + and I check the seal again for leaks and now the shaft can be moved around which is causing the seal not to seal tightly around the yoke.

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  • Answer #1

    PassinGear January 24, 2011, 10:46
     Journeyman

    If your Yukon has a two piece rear driveshaft, Then check the center support with bearing and all u-joints as they can look fine with the naked eye but be worn out inside and make the drive shaft come out of balance at high speed,

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