Pinion Seal

REMOVAL & INSTALLATION

1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
2. Remove or disconnect the following:
   • Driveshaft, matchmark for reassembly
3. Check the turning torque of the pinion before proceeding. It should be 2.6–4.5 inch lbs. (0.4–0.5 Nm). This is the torque that must be reached during installation of the pinion nut.
   • Pinion nut and washer using a suitable pinion flange holding tool
   • Companion flange from the drive pinion
4. Pry the pinion seal out of the differential carrier.

   To install:

5. Clean and inspect the sealing surface of the housing.
6. Install or connect the following:
   • New seal into the housing until the flange on the seal is flush with the carrier. Using a seal driver.
7. With the seal installed, the pinion bearing preload must be set.
   • Pinion nut (a new self-locking pinion nut must be used) while holding the flange, until the turning torque is the same as before removal. The final pinion nut torque must be between 137–181 ft. lbs. (190–250 Nm).
   • Driveshaft, align the matchmarks
8. Check the level of the differential lubricant when finished.