For 1990-2009 cars

#### Tools Required

J 45017 Output Shaft Seal Installer

### Removal Procedure

1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the appropriate rear tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
3. Remove the appropriate wheel drive shaft. Refer to Wheel Drive Shaft Replacement .
4. Using a flat bladed tool remove the differential output shaft seal.

Take care not to damage any sealing surfaces.

### Installation Procedure

1. Lubricate the wheel drive shaft sealing surface of the oil seal with 75W90 synthetic axle lubricant, GM P/N 12378261 (Canadian P/N 10953455) or equivalent.
2. Install the differential output shaft seal (2) to the J 45017 .
3. Using the J 45017 (1), install the differential output shaft seal (2).
4. Remove J 45017 (1) from the differential output shaft seal (2).
5. Install the wheel drive shaft. Refer to Wheel Drive Shaft Replacement .
6. Inspect the fluid level. Refer to Rear Axle Lubricant Level Inspection .
7. Install the rear tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
8. Lower the vehicle.