Chevrolet Silverado / GMC Sierra. Service manual - part 890

2. Remove the output nut (2).

Fig. 172: Locating Retaining Ring From Low And Reverse Clutch Housing
Courtesy of GENERAL MOTORS CORP.

6. Remove the retaining ring (1) from the low and reverse clutch housing (2)

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 173: Identifying J 43910 & J 24420-B
Courtesy of GENERAL MOTORS CORP.

7. Assemble 3 J 43910 to J 24420-B . See Special Tools.

8. Place the foot of each leg between the 2 bearing balls.

9. Twist each leg until the foot of the leg is forced under the bearing races.

10. Adjust the center screw (4) and each leg nut (1) until the body of J 24420-B is

perpendicular to the rear face of the transmission case. See Special Tools.

11. Tighten the center screw (4) until ball bearing assembly (3) is dislodged.

2008 Chevrolet Silverado 1500

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

Silverado

12. Remove J 43910 , J 24420-B , and J 43769 from the ball bearing assembly. See Special

Tools.

Fig. 174: Transmission Selective Spacer
Courtesy of GENERAL MOTORS CORP.

13. For both transmissions, remove the selective spacer (1).

2008 Chevrolet Silverado 1500

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

Silverado

LOW AND REVERSE CLUTCH PISTON AND OUTPUT CARRIER ASSEMBLY REMOVAL

Fig. 175: Identifying Low And Reverse Clutch Housing Bolts
Courtesy of GENERAL MOTORS CORP.

NOTE:

Refer to Torque Converter Housing/Low and Reverse Clutch
Housing Bolt Size Notice .

IMPORTANT: Remove the low and reverse clutch housing - 4WD using the

same procedure as when removing a low and reverse clutch

2008 Chevrolet Silverado 1500

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

Silverado