Differential oil seal and spacer replacement

nctexan

New Member
Nov 30, 2009
268
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Houston
How do you change the differential oil and what type/weight should be used? I did not see any port on the body housing however I think I got most of the oil out just by having the rear up on jackstands. There has been a very slow oil leak from the main differential oil seal for years on my car. I pulled it and put in a new one. I noticed in the TSRM that the spacer that goes behind the bearing is a "non-resuable" part. Do I have to replace this thing as well? Thanks for any and all help!