Chevrolet Silverado / GMC Sierra. Service manual — part 875

Fig. 123: Installing J 21366 To Converter Housing
Courtesy of GENERAL MOTORS CORP.

33. Install J 21366 to the converter housing in order to keep the torque converter from sliding

off of the turbine shaft.

34. Carefully lower the transmission from the vehicle while simultaneously removing the fill

tube.

35. Remove the J 21366 .

Installation Procedure

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 124: Installing J 21366 To Converter Housing
Courtesy of GENERAL MOTORS CORP.

1. Install J 21366 to the converter housing in order to keep the torque converter from sliding

off of the turbine shaft.

2. Raise the transmission into place while simultaneously installing the transmission fill tube.

3. Remove the J 21366

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 125: View of Transmission To Engine Stud & Bolts
Courtesy of GENERAL MOTORS CORP.

4. Align the transmission with the engine using the alignment dowels located at the rear of the

engine.

IMPORTANT: Do not install the transmission by drawing it to the engine

using the studs and bolts.

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

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

Silverado

5. Install the converter housing bolts and studs.

Tighten: Tighten the bolts/studs to 50 N.m (37 lb ft).

Fig. 126: Wire Harness/Vent Tube Bracket Nut & Converter Housing Stud
Courtesy of GENERAL MOTORS CORP.

6. Install the wire harness/vent tube bracket and nut to the converter housing stud.

Tighten: Tighten the nut to 18 N.m (13 lb ft).

IMPORTANT: Ensure that the torque converter can be rotated before

tightening the bolts and studs.

2008 Chevrolet Silverado 1500

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

Silverado