Chevrolet Silverado / GMC Sierra. Service manual — part 2599

Fig. 15: View Of Rear Oil Seal
Courtesy of GENERAL MOTORS CORP.

1. Remove the rear propeller shaft. Refer to One-Piece Propeller Shaft Replacement or

Two-Piece Propeller Shaft Replacement .

2. Remove the rear oil seal using J 6125-1B (1) and J 23129 (2).

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (TZ0)

Installation Procedure

Fig. 16: Installing The New Rear Oil Seal
Courtesy of GENERAL MOTORS CORP.

1. Using J 36503 install the NEW rear oil seal.

2. Install the rear propeller shaft. Refer to One-Piece Propeller Shaft Replacement or Two-

Piece Propeller Shaft Replacement .

3. Check to transmission fluid level. Add if necessary.

4. Lower the vehicle.

BACKUP LAMP SWITCH REPLACEMENT

Removal Procedure

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (TZ0)

Fig. 17: Locating HO2S Electrical Connector At Harness (Manual 2WD)
Courtesy of GENERAL MOTORS CORP.

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

2. Disconnect the backup lamp switch electrical connector (3).

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (TZ0)

Fig. 18: View Of Backup Lamp Switch
Courtesy of GENERAL MOTORS CORP.

3. Remove the backup lamp switch.

Installation Procedure

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (TZ0)