Chevrolet Silverado / GMC Sierra. Service manual — part 2739

5. Install the pitman arm washer (2).

6. Install the pitman arm nut (3).

Tighten: Tighten the nut to 250 N.m (184 lb ft).

7. If necessary adjust the steering gear pitman shaft over-center preload. Refer to Steering

Gear Pitman Shaft Over-Center Preload Adjustment - Off Vehicle.

8. Install the steering gear. Refer to Steering Gear Replacement (Rack and Pinion) or

Steering Gear Replacement (Non-Rack and Pinion).

STEERING GEAR PITMAN SHAFT SEAL AND BEARING REPLACEMENT - OFF VEHIC
VEHICLE

Tools Required

J 6278 Pitman Shaft Bearing Remover and Installer. See Special Tools.

J 6219 Pitman Shaft Oil Seal Installer. See Special Tools.

J 4245 Internal Snap Ring Pliers. See Special Tools.

Disassembly Procedure

1. Remove the steering gear. Refer to Steering Gear Replacement (Rack and Pinion) or

Steering Gear Replacement (Non-Rack and Pinion).

2008 Chevrolet Silverado 1500

2008 STEERING Power Steering - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 104: View Of Pitman Arm, Pitman Shaft Boot, Dust Seal & Steering Gear
Housing
Courtesy of GENERAL MOTORS CORP.

2. Remove the steering gear pitman shaft and housing cover. Refer to Steering Gear Pitman

2008 Chevrolet Silverado 1500

2008 STEERING Power Steering - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Shaft and Housing Cover Replacement - Off Vehicle.

3. Remove the pitman arm (4) from the steering gear (1). Refer to Pitman Arm

Replacement .

4. Remove the pitman arm boot (3) from the steering gear housing (1).

5. Remove the dust seal (2) from the steering gear housing (1).

Fig. 105: Pitman Shaft Retaining Ring & Steering Gear Housing
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Do not score the steering gear housing bore when prying out

the seals and washers.

2008 Chevrolet Silverado 1500

2008 STEERING Power Steering - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

6. Remove the steering gear pitman shaft seal retaining ring (2) from the steering gear housing

(1) using pliers J 4245 . See Special Tools.

Fig. 106: View Of Backup Washer, Pitman Shaft Seal & J 6219
Courtesy of GENERAL MOTORS CORP.

2008 Chevrolet Silverado 1500

2008 STEERING Power Steering - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado