Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by CAPTAINK5-CT, Jul 31, 2001.
Both my front and rear diffs have now developed leaks. Any thouhgts?
I'd guess cover gaskets, or pinion seals.
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crawl under there and determine if it's leaking from the pinion seal or the diff. cover.
Maybe if you just tighten the bolts up it will go away if your lucky.
Maybe you'll find you have to change the gaskets, get split lock washers for all the cover bolts, and use locktite on them. That's what I have to do 'cause I find the bolts vibrate loose.
Thanks for the help. My mech thinks it might be the pinion seals. Oh well, maybe after the summer camping season.
Mine was leakin where the yoke shaft goes into the diff. 2.50 part and it was fixed!
buildin a 400 for it, any info greatly appreciated
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