Chevrolet Silverado / GMC Sierra. Service manual — part 882

1. Position the transmission so that the front of the torque converter is facing up.

2. If used, remove 4 bolts and 2 shipping brackets, or remove any other torque converter

restraining device.

required.

Make sure J 46409 T-handles are installed securely
and that any lifting equipment used can properly
support the torque converter.

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 148: Installing J 46409 Into Torque Converter Lugs
Courtesy of GENERAL MOTORS CORP.

3. Install 1 J 46409 T-handle into a boss on the front of the torque converter. See Special

Tools.

4. Install the other J 46409 T-handle into a boss on the front of the torque converter 180

degrees away from the first T-handle. See Special Tools.

5. Remove the torque converter from the converter housing.

6. Place the torque converter on the work table.

TORQUE CONVERTER LEAK TEST

Tools Required

J 43763 Torque Converter Leak Test Plug. See Special Tools.

J 21369-F Torque Converter Leak Test Fixture. See Special Tools.

Test

CAUTION: Avoid personal injury or property damage when removing

or installing the torque converter by seeking an assistant
to help lift the torque converter.

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 149: Installing Test Equipment To Check Torque Converter For Leaks
Courtesy of GENERAL MOTORS CORP.

1. Position the torque converter (6) on the work table so that the pump hub is facing up.

IMPORTANT: The torque converter leak test requires a large container of

water in order to submerge the torque converter.

2008 Chevrolet Silverado 1500

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

Silverado

2. Move the nut (3) to the middle of the center body (1) of J 43763 . See Special Tools.

3. Install J 43763 into the torque converter hub. See Special Tools.

Fig. 150: Using Compressed Air To Leak Test Converter
Courtesy of GENERAL MOTORS CORP.

4. Install J 21369-F (3) onto the torque converter (8) and onto J 43763 (4). See Special

Tools.

2008 Chevrolet Silverado 1500

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

Silverado