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Old 02-17-2003, 08:42 AM
mbdoc mbdoc is offline
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
Have replaced 7-10 transfer cases & repaired several others, but never even heard of a bad front diff.
Most common problem is the clutch pack in the transfer case going bad & allowing hydraulic fluid into the transfer case.

Iwould check the transfer case fluid level & also see if the 4-matic fluid level is going down.
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