Chevrolet Silverado / GMC Sierra. Service manual — part 2600

Fig. 19: View Of Backup Lamp Switch
Courtesy of GENERAL MOTORS CORP.

1. Install the backup lamp switch.

Tighten: Tighten the switch to 37 N.m (27 lb ft).

NOTE:

Refer to Component Fastener Tightening Notice .

IMPORTANT: The backup lamp switch has pre-applied thread sealant on

the threads.

2008 Chevrolet Silverado 1500

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

Fig. 20: Locating HO2S Electrical Connector At Harness (Manual 2WD)
Courtesy of GENERAL MOTORS CORP.

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

3. Lower the vehicle.

VEHICLE SPEED SENSOR REPLACEMENT

Removal Procedure

2008 Chevrolet Silverado 1500

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

Fig. 21: 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 vehicle speed sensor (VSS) electrical connector (1).

2008 Chevrolet Silverado 1500

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

Fig. 22: Identifying VSS And O-Ring Seal
Courtesy of GENERAL MOTORS CORP.

3. Remove the VSS and O-ring seal.

Installation Procedure

2008 Chevrolet Silverado 1500

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