Chevrolet Silverado / GMC Sierra. Service manual — part 992

Fig. 505: Torque Converter Restraining Device
Courtesy of GENERAL MOTORS CORP.

6. Install the J 21366 to retain the torque converter to the transmission.

REAR OIL SEAL INSTALLATION (2WD)

Tools Required

J 43782 Rear Seal Installer. See Special Tools.

Installation

CAUTION: The torque converter must be held to the torque converter

housing by a retaining device such as shipping brackets.
Without the retaining device, the torque converter may
slide forward, disengaging the oil pump, or may fall
completely out of the transmission causing personal
injury and/or property damage.

IMPORTANT: The torque converter may not be seated if the J 21366

retaining device cannot be installed.

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 506: View Of Prop Shaft Front Slip Yoke Oil Seal
Courtesy of GENERAL MOTORS CORP.

1. Using J 43782 install the prop shaft front slip yoke oil seal (1). See Special Tools.

2. Make sure the oil seal is installed to the correct depth below the rear face of the low and

reverse clutch housing, 2WD (2).

2008 Chevrolet Silverado 1500

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

Silverado

Specification: The rear seal installed depth is 4.55-5.35 mm (0.179-0.211 in) below the
rear face of the low and reverse clutch housing, 2WD.

FOUR-WHEEL-DRIVE OUTPUT SHAFT RETAINING NUT INSTALLATION

Tools Required

J 43769 Spanner Nut Wrench - 4WD. See Special Tools.

Installation

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 507: Park/Neutral Position Switch Gear Positions
Courtesy of GENERAL MOTORS CORP.

1. The fullest clockwise position of the manual shift shaft is Park (P), which engages the park

pawl.

2. Using a wrench on the manual shift shaft flats (1), rotate the shaft to the fullest clockwise

position.

2008 Chevrolet Silverado 1500

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

Silverado