Grand Cherokee 2WD V8-4.7L VIN N (2000)
Pinion Bearing Spacer: Service and Repair
Front Axle - 186FBI
REMOVAL
W/PINION INSTALLED
1. Raise and support the vehicle.
2. Remove wheel and tire assemblies.
3. Remove brake rotors and calipers. Refer to Brakes and Traction Control, for proper procedures.
4. Mark the propeller shaft and pinion companion flange for installation reference.
5. Remove the propeller shaft from the pinion companion flange.
6. Rotate the pinion gear a minimum of ten times. Verify that the pinion rotates smoothly.
7. Measure the amount of torque necessary to rotate the pinion gear with a (inch lbs.) dial-type torque wrench. Record the torque reading for
installation reference.
8. Using a short piece of pipe and Holder 6958 to hold the pinion companion flange, remove the pinion nut and washer.
9. Use Remover C-452 and Wrench C-3281 to remove the pinion companion flange.
Fig. 14
10. Use Remover 7794-A and slide hammer to remove the pinion shaft seal (Fig. 14).
11. Remove the front pinion bearing using a pair of suitable pick tools to pull the bearing straight off the pinion gear shaft. It may be necessary to
lightly tap the end of the pinion gear with a rawhide or rubber mallet if the bearing becomes bound on the pinion shaft.
12. Remove the collapsible spacer.
W/PINION REMOVED
1. Raise and support the vehicle.
2. Remove wheel and tire assemblies.
3. Remove brake rotors and calipers. Refer to Brakes and Traction Control, for proper procedures.
4. Mark the propeller shaft and pinion companion flange, for installation reference.
5. Remove the propeller shaft from the pinion companion flange.
6. Rotate the pinion gear a minimum of ten times Verify that the pinion rotates smoothly.
7. Measure the amount of torque necessary to rotate the pinion gear with a (inch lbs.) dial-type torque wrench. Record the torque reading for
installation reference.
8. Remove differential assembly from axle housing.
9. Using Holder 6958 and a short length of 1 inch pipe to hold the pinion companion flange, remove the pinion nut and washer.
10. Using Remover C-452 and Wrench C-3281, remove the pinion companion flange from pinion shaft.
