Chevrolet Silverado / GMC Sierra. Manual - part 932
Fig. 310: 1-2-3-4 Clutch Piston Housing Components
Courtesy of GENERAL MOTORS CORP.
27. Position the 1-2-3-4, 4-5-6 clutch housing (4) on the work table so that the rear of the
housing is facing up.
28. Align the 1-2-3-4 clutch piston (3) so that the spring indents are facing up.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
29. Install the 1-2-3-4 clutch piston (3) into the 1-2-3-4 clutch piston housing (4).
30. Make sure the 1-2-3-4 clutch piston (3) is seated in the 1-2-3-4 clutch piston housing (4).
31. Align the 1-2-3-4 clutch piston return spring assembly (2) so that the springs are facing and
aligned with the spring pockets of 1-2-3-4 clutch piston (3).
32. Install the 1-2-3-4 clutch piston return spring assembly (2) into the 1-2-3-4 clutch piston (3).
33. Lubricate the 1-2-3-4 clutch balance piston ID and OD seal area with J 36850 . See Special
Tools.
34. Align the 1-2-3-4 clutch balance piston (1) and position so that the rubber seal is facing
down.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 311: 1-2-3-4-, 4-5-6 Clutch Housing & J 24204-2
Courtesy of GENERAL MOTORS CORP.
35. Position the 1-2-3-4, 4-5-6 clutch housing (6) on the base of J 24204-2 (7) so that the rear
of the housing is facing up. See Special Tools.
36. Install J-47339-1 (4) onto the shaft of J 24204-2 (7). See Special Tools.
37. Center J-47339-1 (4) on the 1-2-3-4 clutch balance piston. See Special Tools.
38. Install the J 24204-2 ball bearing (3) and washer (2) onto the shaft of J 24204-2 . See
Special Tools.
39. Install the J 24204-2 wing nut (1) on the shaft of J 24204-2 . See Special Tools.
40. Compress the 1-2-3-4 clutch piston return spring assembly until the retaining ring groove on
the 1-2-3-4 clutch housing is visible.
41. Install the retaining ring (5) into the 1-2-3-4 clutch housing.
42. Remove all of the J tools.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 312: Locating Turbine Shaft & Overlap Seal Rings
Courtesy of GENERAL MOTORS CORP.
43. Install 2 overlap seal rings (4) onto the turbine shaft (3).
44. Position the turbine shaft (3) on the work table so that the rear of the shaft is facing up.
45. Align the 1-2-3-4, 4-5-6 clutch housing (2) with the rear of the turbine shaft (3) so that the
rear of the clutch housing is facing up.
46. Install the 1-2-3-4, 4-5-6 clutch housing (2) onto the rear of turbine shaft (3).
47. Install the retaining ring (1) onto the turbine shaft (3).
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado