Electric Motor Actuator Replacement for Chevrolet Chevy Suburban - 4WD 1999

1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the front differential carrier shield, if equipped. Refer to Shield Replacement .
3. Disconnect the electrical connector from the actuator.



4. Remove the electric motor actuator (3) by turning the actuator counterclockwise.

1. Apply sealant to the threads of the electric motor actuator. Use the correct sealant. Refer to Adhesives, Fluids, Lubricants, and Sealers .

Notice: Refer to Fastener Notice in the Preface section.




2. Install the electric motor actuator (3).

Tighten
Tighten the actuator to 20 N·m (15 lb ft).

3. Connect the electrical connector to the actuator.
4. Install the front differential carrier shield, if equipped. Refer to Shield Replacement .
5. Lower the vehicle.