Rear

Transfer Case Output Shaft Seal Replacement-Rear

^ Tools Required
- J26941 Needle Bearing Puller
- J23907 Slide Hammer
- J37751 Oil Seal Installer
- J36850 Transjel(R) Transmission Assembly Lubricant

Removal Procedure
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.

Important: An index mark (reference mark) should be made on the rear propeller shaft pinion flange yoke and the rear differential pinion flange to ensure that the rear propeller shaft is installed in the same position from which it was removed. If this precaution is not observed, a driveline imbalance may result causing vibration, premature component wear or other undesirable conditions.

2. Place an index mark on the rear propeller shaft pinion flange yoke and the rear differential pinion flange.





3. Remove the 4 bolts, the 4 nuts and rear propeller shaft from the vehicle.
4. Remove the rear output shaft oil seal (1) from the transfer case using J26941 with J23907.

Installation Procedure





1. Install the new rear output shaft oil seal into the transfer case (1) using J37751.
2. Apply J36850 to the new rear output shaft oil seal lip.

Notice: Refer to Fastener Notice in Service Precautions.

3. Install the rear propeller shaft into the vehicle. Secure the shaft with the 4 bolts and the 4 nuts.
^ Tighten the rear propeller shaft bolts and nuts to 50 Nm (37 ft. lbs.).
4. Check the transfer case oil level.
5. Apply GM P/N 12346004, or the equivalent, to the threaded portion of the transfer case oil level/filler plug.
6. Install the transfer case oil level/filler plug into the transfer case.
^ Tighten the transfer case oil level/filler plug to 28 Nm (21 ft. lbs.).
7. Lower the vehicle.