Chevrolet Silverado / GMC Sierra. Service manual — part 947

8092 (1). See Special Tools.

3. Using J 43781 , press or drive the bushing (4) out of the carrier. See Special Tools.

Fig. 360: Installing Input Carrier Assembly Bushing
Courtesy of GENERAL MOTORS CORP.

4. If the bushing will be installed without a press, install the long end of J 43781 (2) onto J

8092 (1). See Special Tools.

5. Install a new bushing (3) onto J 43781 (2). See Special Tools.

2008 Chevrolet Silverado 1500

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

Silverado

6. Using J 43781 , press or drive the bushing into the carrier until J 43781 (2) seats. See

Special Tools.

INPUT CARRIER THRUST WASHER INSPECTION

Fig. 361: Illustrating Input Carrier Thrust Washer Measurements
Courtesy of GENERAL MOTORS CORP.

1. Measure the thickness of the thrust washer (1) at dimension A.

Specification: The minimum thrust washer thickness is 1.49 mm (0.059 in).

2. Replace the thrust washer if specifications are not met.

INPUT CARRIER ASSEMBLY ASSEMBLE

2008 Chevrolet Silverado 1500

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

Silverado

Fig. 362: Exploded View Of Input Carrier Assembly
Courtesy of GENERAL MOTORS CORP.

1. Position the intermediate internal gear (4) on the work table so that the tang holes are facing

up.

2. Install the input carrier assembly (3) into the intermediate internal gear (4). Make sure the

splines are engaged.

2008 Chevrolet Silverado 1500

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

Silverado

3. Install the retaining ring (2) into the intermediate internal gear so that the input carrier

assembly is retained.

4. Align the tangs of the thrust washer (1) with the tang holes in the intermediate internal gear.

5. Install the thrust washer onto the intermediate internal gear.

INTERMEDIATE INTERNAL GEAR INSPECTION

Fig. 363: Intermediate Internal Gear
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Clutch plate movement can cause notching on the external

2008 Chevrolet Silverado 1500

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

Silverado