rear pinion seal leaks

[O'l Buck]

yes, the pinion seal can be put in wrong, you need to make sure it went in perfectly straight, or real close to it. If it gets crooked in the bore at any time during installation, it can distort the seal, and therefore, not seal, also, there is usually a spring around the inside lips of the seal, these can pop out when driving the seal in, and I usually hold the spring in with some gun grease packed to the inside of the seal. Check your pinion shaft for wear on the sealing surface, if it shows any grove at all, I'd get a speedy sleve from your local parts house, this gives a new sealing surface to the shaft.

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Ol' Buck: '72 Chevy 1/2T 4x4 shortbox stepside 350/350auto on '84
ralleys and 31/10.5s

Angel girl: 67 Cutlass convertible
330, 3spd stick

Greener: 90 GMC Jimmy
350/auto
Chad Stephens
Orleans,NE

no name yet: 72 442 under serious construction