Pinion seal leak

lobster

New member
Hi gang, I thought I had resealed a bad pinion seal leak on the Pinto (6 3/4" Diff) but gear oil puked out yet again! any ideas? Thanks Glenn
 
May not be the seal--look for a "groove" or worn shaft running through the seal.

If that is buggered, no matter how many new seals you have, you will have leaks.

Sometimes the problem can be temporaily cured by not installing the seal all the way.

Check it out.
 
Also, make sure the pinion bearings are tensioned correctly. A moveable pinion shaft will wear the seal quickly as it wobbles. When you remove the yoke, you will be able to evaluate the seal surface for a "grove".

Good luck.

Good racing

Bill
 
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