Chevrolet Silverado / GMC Sierra. Service manual — part 1345

The pinion bearings

The pinion seal

The carrier bearings

The axle bearings

The axle seals

Fig. 90: View Of Pinion Shaft & Pinion Yoke Alignment Marks
Courtesy of GENERAL MOTORS CORP.

11. Scribe an alignment line between the pinion shaft and the pinion yoke.

2008 Chevrolet Silverado 1500

2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 91: Holding Pinion Flange Using Special Tool
Courtesy of GENERAL MOTORS CORP.

12. Install the J 8614-01 onto the pinion as shown. See Special Tools.

13. Remove the pinion nut while holding the J 8614-01 . See Special Tools.

2008 Chevrolet Silverado 1500

2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 92: View Of Pinion Yoke
Courtesy of GENERAL MOTORS CORP.

14. Install the J 8614-2 (2) and the J 8614-3 (3) into the J 8614-01 (1) as shown. See Special

Tools.

15. Remove the pinon yoke by turning the J 8614-3 (3) clockwise while holding the J 8614-01

(1). See Special Tools.

16. Remove the oil seal using a suitable seal removal tool.

Installation Procedure

IMPORTANT: Carefully remove the oil seal from the bore. Do not distort or

scratch the aluminum case.

2008 Chevrolet Silverado 1500

2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 93: Installing Oil Seal Using J 36366 - Front Axle
Courtesy of GENERAL MOTORS CORP.

1. Install the oil seal by doing the following:

1. Position the oil seal over the seal bore.

2. Install the J 36366 over the oil seal.

3. Strike the J 36366 with a hammer until the seal flange seats on the axle housing

surface.

2. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the splines of

the drive pinion yoke.

3. Install the pinion yoke.

Align the reference marks made during removal.

4. Seat the pinion yoke onto the pinion shaft by tapping it with a soft-faced hammer until a few

NOTE:

Refer to Pinion Flange/Yoke Installation Notice .

2008 Chevrolet Silverado 1500

2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado