Chevrolet Silverado / GMC Sierra. Service manual — part 968

Fig. 432: Identifying Control Relief Spring & Control Relief Valve
Courtesy of GENERAL MOTORS CORP.

4. Install the control relief valve (1) and spring (2).

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 433: Compressing Control Relief Valve Spring
Courtesy of GENERAL MOTORS CORP.

5. Compress the control relief spring with J 43773 (2). See Special Tools.

6. Install the retaining clip (1). Ensure the retaining clip (1) is below the valve body surface.

Shift Valve Body Assemble

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 434: Shift Solenoid Screen
Courtesy of GENERAL MOTORS CORP.

1. Install the solenoid screen (1).

Solenoid screen installed depth: Ensure the solenoid screen (1) is installed to a depth of
0.50-1.00 mm (0.20-0.039 in) below the shift valve body surface, as shown in the insert,
dimension A.

NOTE:

Refer to Transmission Control Valve Body Overhaul Notice .

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 435: Spring And Control Main Valve
Courtesy of GENERAL MOTORS CORP.

2. Install control main valve (1) and spring (2).

2008 Chevrolet Silverado 1500

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

Silverado