Chevrolet Silverado / GMC Sierra. Service manual — part 975

6. Install 3 piston return spring assemblies (1) onto the 3rd, 5th, and reverse spring plate (2).

Fig. 456: View Of 3rd, 5th And Reverse Spring Plates, Steel Plates & Spring
Assemblies
Courtesy of GENERAL MOTORS CORP.

7. Align the 3rd, 5th and reverse spring plate (4) and piston return spring assemblies (3) so that

the spring assembly tabs with pliers to make sure the spring
assemblies are retained to the spring plate. When correctly
adjusted, the piston return spring assemblies snap into
place.

2008 Chevrolet Silverado 1500

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

Silverado

the spring assemblies face up.

8. Install the spring plate (4) into the transmission case.

9. Starting with a 3rd, 5th, and reverse clutch fiber plate, alternately install four 3rd, 5th, and

reverse clutch fiber plates (1) and three 3rd, 5th, and reverse clutch steel plates (2) into the
transmission case.

Fig. 457: Aligning 3rd, 5th, And Reverse Clutch Backing Plate Assembly
Courtesy of GENERAL MOTORS CORP.

10. Align the 3rd, 5th, and reverse clutch backing plate assembly (1) with gear thrust plates (2)

down.

2008 Chevrolet Silverado 1500

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

Silverado

11. Install the 3rd, 5th, and reverse clutch backing plate assembly (1) into the transmission case.

Fig. 458: Compressing 3rd, 5th, And Reverse Piston Return Spring Assemblies
Courtesy of GENERAL MOTORS CORP.

12. Install J 24204-2 (1) and J 44530 (2) into the transmission case. See Special Tools. Make

sure J 44530 does not touch the gear thrust plate rivets (3) on the 3rd, 5th, and reverse
clutch backing plate assembly. See Special Tools.

NOTE:

Refer to 3-5 Reverse Clutch Backing Plate Rivet Damage
Notice .

2008 Chevrolet Silverado 1500

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

Silverado

13. Compress the 3rd, 5th, and reverse piston return spring assemblies (5) until the retaining

ring groove is visible.

14. Install the retaining ring (4).

15. Make sure the retaining ring is seated.

16. Remove J 24204-2 and J 44530 . See Special Tools.

INPUT CARRIER ASSEMBLY AND 2-6 CLUTCH INSTALLATION

Tools Required

J 24204-2 Bar and Stud Assembly. See Special Tools.

J 36850 Transjel® Lubricant. See Special Tools.

J 44530 Clutch Piston Spring Compressor. See Special Tools.

Installation

2008 Chevrolet Silverado 1500

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

Silverado