Input Flange Seal Removal
WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The pinion turning torque must be measured before the pinion flange is removed, for correct installation.
- Apply alignment index marks (3) to the rear propeller shaft flange and the rear pinion flange.
- Remove and discard the bolts (1) holding the rear propeller shaft flange to the rear pinion flange.
- Separate the rear propeller shaft from the rear pinion flange and secure the shaft to the side.
- Measure and record pinion turning torque.
- Using suitable chisel, remove the staking from the pinion nut.
- Remove the pinion nut.
- Using the (special tool #C-452, Puller, Companion Flange) (1), remove the pinion flange (2).
- Remove the pinion seal (3) using the (special tool #7794-A, Remover, Seal) (2) and (special tool #C-637, Slide Hammer, Universal) (1).
- Clean and inspect the sealing surface on the pinion flange, if damaged install a NEW pinion flange. If the pinion seal bore is damaged it will be necessary to replace the Rear Drive Unit (RDU) assembly.