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Old 03-09-2009, 10:38 PM
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babymog babymog is offline
Loose Cannon - No Balls
Join Date: Jan 2006
Location: Northeast Indiana
Posts: 10,765
It's been a while since I had my '91 4matic, but I believe that the differential is separate from the engine sump. The RH front axle does go through the sump however.

Unfortunately, I never changed that fluid, dealer did it for me (or charged me for it anyway), so I don't know how it is changed.

Gone to the dark side

- Jeff
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