Chevrolet Silverado / GMC Sierra. Service manual — part 1559

Fig. 25: Center Bearing Support & Nuts
Courtesy of GENERAL MOTORS CORP.

4. Install the center bearing support (2).

5. Install the center bearing support nuts.

Tighten: Tighten the bearing support nuts to 40 N.m (30 lb ft).

6. Tighten the yoke retainer bolts, w/ RPO MW3 or M74.

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 DRIVELINE/AXLE Propeller Shaft - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Tighten: Tighten the yoke retainer bolts to 25 N.m (18 lb ft).

7. Inspect the splines of the front propeller shaft stub shaft for a sufficient coating of grease. If

the splines of the stub shaft does not have a sufficient coating of grease, lubricate the shaft
with chassis grease, GM P/N 12377985 or equivalent.

Fig. 26: Yoke, Clamp, Boot & Front Propeller Shaft Stub Shaft
Courtesy of GENERAL MOTORS CORP.

8. Install the boot (3) and 2 new clamps (2) onto the front propeller shaft stub shaft (4), if

applicable.

9. Install the rear propeller shaft slip yoke onto the front propeller shaft stub shaft.

2008 Chevrolet Silverado 1500

2008 DRIVELINE/AXLE Propeller Shaft - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Mate the missing tooth in the yoke with the bridged tooth on the splined shaft.

10. Install the rear propeller shaft onto the rear axle pinion yoke.

Align the reference marks made during removal.

Fig. 27: Identifying Driveshaft Pinion, Yoke Retainers & Bolts
Courtesy of GENERAL MOTORS CORP.

11. Install the yoke retainers (2) and the bolts (1).

Tighten: Tighten the yoke retainer bolts to 25 N.m (18 lb ft).

2008 Chevrolet Silverado 1500

2008 DRIVELINE/AXLE Propeller Shaft - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 28: Crimping Boot Clamps
Courtesy of GENERAL MOTORS CORP.

12. Using the J 43218 , crimp the boot clamps until the dimensions shown are obtained.

13. Lower the vehicle.

PROPELLER SHAFT BOOT REPLACEMENT

2008 Chevrolet Silverado 1500

2008 DRIVELINE/AXLE Propeller Shaft - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado