Installation Procedure

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.

1. Install the steering gear actuator (2) and gasket (1) to the differential.
   Fig 1: Installing Steering Gear Actuator & Gasket To Differential

   Courtesy of GENERAL MOTORS CORP.
   NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
2. Install the steering gear actuator and cover (2) retaining bolts.

   Tighten 

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

   Fig 2: Installing Bolts Retaining Steering Gear Actuator & Cover

   Courtesy of GENERAL MOTORS CORP.
3. Connect the electrical connectors to the control module (2).
   Fig 3: Connecting Electrical Connectors To Control Module

   Courtesy of GENERAL MOTORS CORP.
4. Install the differential vent hose (1) to the vent tube (2).
5. Install the outer tie rod ends to the steering knuckle. Refer to REAR WHEEL STEERING TIE ROD END REPLACEMENT - Outer .
   Fig 4: Connecting Differential Vent Hose To Vent Tube

   Courtesy of GENERAL MOTORS CORP.
6. Install the drain plug (2) and fill the differential with fluid. Refer to LUBRICANT LEVEL INSPECTION -- REAR DRIVE AXLE (8.6 INCH AXLE) or LUBRICANT LEVEL INSPECTION -- REAR DRIVE AXLE (9.5, 10.5 INCH AXLE) or LUBRICANT LEVEL INSPECTION -- REAR DRIVE AXLE (9.75 INCH AXLE) in Rear Drive Axle.
7. Install the bolts (3) retaining the steering gear protection shield.

   Tighten 

   Tighten the bolts to 180 N.m (132 lb ft).

8. Install the tire and wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
9. Lower the vehicle.
10. Check the wheel alignment. Refer to MEASURING WHEEL ALIGNMENT (WITH REAR WHEEL STEERING) or MEASURING WHEEL ALIGNMENT (WITHOUT REAR WHEEL STEERING) in Wheel Alignment.
    Fig 5: Installing Drain Plug & Bolts Retaining Steering Gear Protection Shield

    Courtesy of GENERAL MOTORS CORP.