Chevrolet Silverado / GMC Sierra. Service manual — part 915

Fig. 254: View Of Stop, Spring & Main Regulator Valve
Courtesy of GENERAL MOTORS CORP.

26. Install the pressure regulator valve (1).

27. Install the pressure regulator valve spring (2) and stop (3).

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 255: View Of J 24459-5 & J 43770
Courtesy of GENERAL MOTORS CORP.

28. 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

Fig. 256: J 43770, J 24459-5 & Oil Pump Retaining Bolts
Courtesy of GENERAL MOTORS CORP.

29. Install J 43770 (5) onto the oil pump cover assembly. See Special Tools.

30. Install 2 bolts (2).

31. Align J 24459-5 (4) slot with the retainer pin (3). See Special Tools.

32. Using J 43770 and J 24459-5 , compress the pressure regulator valve spring until the stop is

2008 Chevrolet Silverado 1500

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

Silverado

past the pin hole. See Special Tools.

33. Install the retainer pin (3). Make sure the pin is below the surface of the oil pump cover.

34. Relieve the spring pressure.

35. Remove J 24459-5 and J 43770 . See Special Tools.

Converter Housing/Oil Pump Cover Assembly

Fig. 257: Aligning Locating Pins In Pump Body With Pin Holes
Courtesy of GENERAL MOTORS CORP.

2008 Chevrolet Silverado 1500

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

Silverado