Chevrolet Silverado / GMC Sierra. Service manual — part 994

Tools Required

J 36850 Transjel® Lubricant. See Special Tools.

Installation

Fig. 511: VSS And Bolt
Courtesy of GENERAL MOTORS CORP.

1. Install the vehicle speed sensor O-ring (3) onto the turbine speed sensor (2).

2. Apply J 36850 to the O-ring (3). See Special Tools.

3. Install the turbine speed sensor (2) into the transmission case.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

4. Install the vehicle speed sensor bolt (1) into the transmission case.

Tighten: Tighten the bolt to 12 N.m (108 lb in).

OUTPUT SPEED SENSOR INSTALLATION (2WD)

Tools Required

J 36850 Transjel® Lubricant. See Special Tools.

Installation

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 512: Locating Output Speed Sensor (OSS)
Courtesy of GENERAL MOTORS CORP.

1. Install the vehicle speed sensor O-ring (3) onto the output speed sensor (OSS) (2).

2. Apply J 36850 to the O-ring (3). See Special Tools.

3. Install the OSS (2) into the low and reverse clutch housing, 2WD.

4. Install the vehicle speed sensor bolt (1) into the low and reverse clutch housing, 2WD.

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Tighten: Tighten the bolt to 12 N.m (108 lb in).

HOLDING FIXTURE REMOVAL

Fig. 513: Transmission Mounted On Holding Fixture
Courtesy of GENERAL MOTORS CORP.

CAUTION: The 1000 Series™ transmission dry weight is

approximately 150 kg (330 lb). To help avoid personal
injury and/or property damage: Use caution when
installing, removing, or moving the transmission. Get

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado