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Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by CAPTAINK5-CT, Jun 19, 2001.
All of a sudden, out of the blue, my rear diff is dripping. Haven't crawled under yet, any thoughts?
Pinion Seal ?
FYI, understand the term "pinion bearing pre-load "
Captain, have you had your rear end rebuilt recently or something? "Usaually" if you dont have the correct, "Pinion bearing pre-load" your pinion nut can back off a little and cause the pinion to wobble a little bit and thus the pinion seal starts leaking.
#2. You just could have a bad pinion seal that needs to be replaced, it happens.
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Check your vent tube...that is what was causing mine to spring a leak...i fixed it once and then a few days later it started up again...cleaned out the vent tube and problem solved
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Thanks for the info. I spoke with my mech and he said the same thing, maybe pinion seal. We'll have to check it out.
try the gasket to thats what mine was doin changed that gasket and it stoped ...just my few words.
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