The purpose of the pinion seal is to keep fluid from leaking out of the differential and to keep dirt and other contaminants from getting into the differential That leads to wear and tear on the gears and a leaking pinion seal The pinion seal is an important part of the drivetrain, and if it fails, it can cause serious problems.
Rear Pinion Seal Leak? | Ford Powerstroke Diesel Forum
A mechanic might scrape it with a putty knife
It's bad enough to change
If it's been getting low, it will eventually grenade the diff, or wear out the bushing or bearing behind the seal and a new seal will just wobble too much to seal I'd have the seal replaced if you plan on keeping the vehicle. Replaced my fox body 8.8 rear end pinion seal after noticing a leak, but i still have a leak after running it about a mile The pinion seal is located inside differentials of vehicles
The pinion seal is located near the pinion shaft and is designed so that fluid does not leak out of the differential Some vehicles have a rear pinion seal, where others have both a front and rear pinion seal, it just depends on the make and model of your vehicle and if the vehicle has rear or four wheel drive This post reviews a simple process for checking the rear differential for a differential leak, pinion seal leak, or axle seal leak, and how to stop and fix it if the rear end is leaking. A leaking pinion seal (drive shaft input to differential) is easily identified by a ring of differential fluid that has been slung out in a clear circumference line above and around the flange that the rear of the driveshaft attaches to.
In 87k miles this seal has been replaced 5 times
3 times under warranty, once when the 4.56 gears were installed and once last week and it's leaking already again I noticed that the pinion flange has some grooves cut into it You can easily catch your fingernail on. The rear pinion seal was leaking back in february and i replaced it
I then noticed in september that the differential was leaking again I replaced it and it?s still leaking I didnt get the rotation force reading on the replacements,. My pinion seal is leaking so i called my local mechanic
When the pinion seal starts leaking it usually means the gears are starting to go also. he said that jeep/chrysler uses an aluminum diff
Housing which bends and torques unders strain
