Chevrolet Silverado / GMC Sierra. Service manual — part 912

Fig. 243: View Of Stator Shaft Bushing
Courtesy of GENERAL MOTORS CORP.

11. Install a new bushing (3) onto J 43774 . See Special Tools.

12. Drive the bushing into the stator shaft (4) until the bushing is seated.

Specification: The bushing installed depth measurement is flush to 0.25 mm (0.010 in)
below the stator shaft surface.

OIL PUMP COVER THRUST WASHER INSPECTION

IMPORTANT: The preferred method for installing the stator shaft bushing

is to use J 43774 and a press. See Special Tools. If a press is
not available, use J 43774 and J 8092 universal driver. If the
bushing will be installed without a press, install the large
end of J 43774 (2) onto J 8092 (1). See Special Tools.

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 244: Measuring Thickness Of Thrust Washer
Courtesy of GENERAL MOTORS CORP.

1. Measure the thickness of thrust washer (1) at dimension A.

Specification: The minimum thrust washer thickness is 1.49 mm (0.059 in).

2. Replace the thrust washer if the thickness does not meet specifications.

TRANSMISSION FLUID PUMP COVER ASSEMBLE

Tools Required

J 24459-5 Spring Compressor Adapter. See Special Tools.

J 36850 Transjel®. See Special Tools.

2008 Chevrolet Silverado 1500

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

Silverado

J 43770 Main Lube Converter Relief Valve Spring Compressor. See Special Tools.

J 43772 Torque Converter Seal Installer. See Special Tools.

J 43773 Valve Spring Compressor. See Special Tools.

Assemble

Fig. 245: View Of Converter Flow Valve, Stop & Spring
Courtesy of GENERAL MOTORS CORP.

1. Position the oil pump cover assembly (1) so that the rear of the assembly is facing down.

2008 Chevrolet Silverado 1500

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

Silverado

2. Install the torque converter clutch (TCC) valve (2).

3. Install the TCC valve spring (3) and stop (4).

Fig. 246: View Of J 24459-5 & J 43770
Courtesy of GENERAL MOTORS CORP.

4. Install J 24459-5 (1) onto J 43770 (2). See Special Tools.

2008 Chevrolet Silverado 1500

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

Silverado