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jimbo310 -> slipping rear end (6/12/2005 12:27:32 AM)
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Not sure what your problem might me...but according to the manual the rear axle grease does not need to be changed unless you do heavy towing. My dealer strongly disagrees and recommends that the rear axle grease be changed every 30,000 miles using only the GM synthetic lubricant and adds the friction additive for the limited slip differentials. Don't use any other synthetic rear axles greases...they will cause problems. The one that GM uses is made my Eaton...and is similar to the quality used in semis. Alot of people are trying to get away with using the cheaper Valvoline or Mobil 1 synthetic...a big mistake.
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