Chevrolet Silverado / GMC Sierra. Manual — part 2630

3. Inspect the main shaft bearing journals for wear.

4. Inspect the main shaft speed gear bearings for wear.

5. Inspect the main drive gear pilot bearing rollers for wear.

6. Replace components which show signs of excessive wear.

7. Do not file surfaces which have been hardened and precision ground.

8. Replace worn or damaged bearings.

9. Replace mated bearing components when only one part is damaged.

TRANSMISSION REAR CASE ASSEMBLE

Fig. 131: 2 Roller Cages, Spacer And Reverse Gear And Screw
Courtesy of GENERAL MOTORS CORP.

1. The reverse assembly arrangement and support shows 2 roller cages, a spacer, and the

reverse gear and screw.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (TZ0)

Fig. 132: Roller Cages, Spacer And Gear
Courtesy of GENERAL MOTORS CORP.

2. Place the roller cages and spacer inside the gear.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (TZ0)

Fig. 133: Assembly Inside Case
Courtesy of GENERAL MOTORS CORP.

3. Install the assembly inside the case.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (TZ0)

Fig. 134: Reverse Gear Support Screw
Courtesy of GENERAL MOTORS CORP.

4. Using a 6 mm Allen wrench, tighten the support screw.

Tighten: Tighten the support screw to 18-37 N.m (13-27 lb ft).

TRANSMISSION FRONT CASE ASSEMBLE

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (TZ0)