Chevrolet Silverado / GMC Sierra. Manual - part 964
Fig. 417: View Of Plug, Spring, And Shift Valve
Courtesy of GENERAL MOTORS CORP.
10. Install shift valve 3 (SV3) (1), the spring (2), and plug (3).
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 418: Compressing Shift Valve Spring
Courtesy of GENERAL MOTORS CORP.
11. Compress the spring with J 43773 (2). See Special Tools.
12. Install the retaining clip (1).
13. Make sure the retaining clip is below the valve body surface.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 419: Spring And Shift Valve
Courtesy of GENERAL MOTORS CORP.
14. Install shift valve 1 (SV1) (1) and spring (2).
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 420: Compressing Shift Solenoid Shift Valve Spring
Courtesy of GENERAL MOTORS CORP.
15. Compress the spring with J 43773 (2). See Special Tools.
16. Install the retaining clip (1).
17. Make sure the retaining clip is below the valve body surface.
MAIN VALVE BODY DISASSEMBLE
Tools Required
J 33163 Valve Tray Set. See Special Tools.
J 43773 Valve Spring Compressor. See Special Tools.
Disassemble
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado