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Old 06-05-2013, 10:53 AM   #17
Sven59
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Drives: 13 ZL1 #182, 85 AMC Jeep CJ7
Join Date: Nov 2011
Location: Tucson AZ
Posts: 1,729
I had the same issue, back to the dealer twice, first time the backlash was off, replace ring and pinion, noise went away but came back. Next time they flushed the rearend very good. They think some of the left over lashing compund was causing the whine. It has been quiet ever since and that was about 10,000 miles ago.
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