Chevrolet Silverado / GMC Sierra. Manual

Fig. 9: View Of Vehicle Speed Sensor (VSS) & O-Ring Seal
Courtesy of GENERAL MOTORS CORP.

3. Remove the speed sensor and O-ring.

4. Discard the O-ring.

Installation Procedure

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - BW 4485-NR3 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 10: View Of Vehicle Speed Sensor (VSS) & O-Ring Seal
Courtesy of GENERAL MOTORS CORP.

1. Install the speed sensor with a NEW O-ring.

Tighten: Tighten the sensor to 17 N.m (13 lb ft).

NOTE:

Refer to Fastener Notice in Cautions and Notices.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - BW 4485-NR3 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 11: Transfer Case Components
Courtesy of GENERAL MOTORS CORP.

2. Connect the speed sensor electrical connector (4).

3. Lower the vehicle.

FRONT OUTPUT SHAFT SEAL REPLACEMENT

Tools Required

J 8092 Driver Handle

J 43484 Output Shaft Seal Installer. See Special Tools.

Removal Procedure

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - BW 4485-NR3 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 12: Removing Front Output Shaft Seal With Flathead Screwdriver
Courtesy of GENERAL MOTORS CORP.

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

2. Remove the transfer case shield, if equipped. Refer to Transfer Case Shield

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Transfer Case - BW 4485-NR3 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Chevrolet Silverado / GMC Sierra. Manual - part 2808