Chevrolet Silverado / GMC Sierra. Service manual — part 972

Fig. 447: View Of Pressure Control Valve Retaining Bracket Retaining Bolts
Courtesy of GENERAL MOTORS CORP.

25. Install 3 bolts (1) retaining the PCS retaining bracket (2).

Tighten: Tighten bolts (1) to 12 N.m (108 lb in).

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 448: Identifying Shift Solenoid Assembly
Courtesy of GENERAL MOTORS CORP.

26. Install the solenoid O-ring (3) onto the SS3 (4).

27. Install the solenoid O-ring (2) onto the SS3 (4).

28. Install the SS3 (4) so that the electrical connection faces up. seat the solenoid.

29. Install the solenoid retainer (1).

IMPORTANT:

The solenoid O-rings are blue and white.

O-ring (3) is slightly larger than O-ring (2).

P/N 29536833 is printed on the shift solenoid 3 (SS3).

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 449: Shift Solenoid Assembly
Courtesy of GENERAL MOTORS CORP.

30. Install the solenoid O-ring (3) onto the SS2 (4).

31. Install the solenoid O-ring (2) onto the SS2 (4).

32. Install the SS2 (4) so that the electrical connection faces up. seat the solenoid.

33. Install the solenoid retainer (1).

IMPORTANT:

The solenoid O-rings are blue and white.

O-ring (3) is slightly larger than O-ring (2).

P/N 29536833 is printed on shift solenoid 2 (SS2).

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 450: TCC PCS And Components
Courtesy of GENERAL MOTORS CORP.

IMPORTANT:

P/N 29541898 is printed on the torque converter clutch
pressure control solenoid (TCC PCS).

The solenoid O-rings are green.

O-ring (6) is slightly larger than O-ring (5).

2008 Chevrolet Silverado 1500

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

Silverado