Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Important: Clean all of the sealing surfaces prior to installing the gasket. Do not reinstall the old gasket, replace the gasket whenever the actuator is removed from the axle.

Install the steering gear actuator (2) and gasket (1) to the differential.

Fig 1: Steering Gear Actuator & Gasket
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE .
Install the steering gear actuator and cover (2) retaining bolts.
Tighten

Tighten the bolts to 61 N.m (45 lb ft).

Fig 2: Steering Gear Actuator
Courtesy of GENERAL MOTORS CORP.
Connect the electrical connectors to the control module (2).

Fig 3: Control Module
Courtesy of GENERAL MOTORS CORP.
Install the differential vent hose (1) to the vent tube (2).
Install the outer tie rod ends to the steering knuckle. Refer to Rear Wheel Steering Tie Rod End Replacement - Outer .

Fig 4: Differential Vent Hose & Vent Tube
Courtesy of GENERAL MOTORS CORP.
Install the drain plug (2) and fill the differential with fluid. Refer to LUBRICANT REPLACEMENT-REAR DRIVE AXLE (8.6 INCH AXLE) or LUBRICANT REPLACEMENT-REAR DRIVE AXLE (9.5, 10.5, and 11.5 INCH AXLES) or LUBRICANT REPLACEMENT-REAR DRIVE AXLE (9.75 INCH AXLE) .
Install the bolts (3) retaining the steering gear protection shield.
Tighten

Tighten the bolts to 180 N.m (132 lb ft).
Install the tire and wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION .
Lower the vehicle.
Check the wheel alignment. Refer to MEASURING WHEEL ALIGNMENT (WITH REAR WHEEL STEERING) or MEASURING WHEEL ALIGNMENT (WITHOUT REAR WHEEL STEERING) .

Fig 5: Steering Gear Protection Shield, Drain Plug & Retaining Bolts
Courtesy of GENERAL MOTORS CORP.