Power Steering Pump Replacement (5.3L W/RPO HP2)

Power Steering Pump Replacement (5.3L w/RPO HP2)

Removal Procedure
1. Disconnect the energy storage box before servicing the vehicle.
2. Place a drain pan under the vehicle.





3. Disconnect the power steering pump pressure hose from the power steering pump.





4. Remove the clamps (2, 4) retaining the power steering return hoses (1, 5) to the power steering pump and remove the hoses.





5. Disconnect the upper electrical connector (3) from the power steering pump by pressing down on the rear of the locking tab and pulling the connector outward.





6. Disconnect the lower electrical connector (4) from the power steering pump by moving the locking lever over center and pulling the connector outward.





7. Remove the bolts (2) retaining the power steering pump to the bracket.
8. Remove the power steering pump from the vehicle.

Installation Procedure





1. Install the power steering pump (1) to the vehicle.

2. Install the bolts retaining the power steering pump to the power steering pump bracket.
^ Tighten the power steering pump mounting bolts to 25 Nm (18 ft. lbs.).

Notice: Refer to Fastener Notice in Service Precautions.






3. Connect the lower electrical connector (4) to the power steering pump.

Important: The lower connector will not go on if the upper connector is already installed.






4. Connect the upper electrical connector (3) to the power steering pump.





5. Install the power steering pump return hoses (1, 5) to the power steering pump.
6. Install the clamps retaining the power steering return hoses to the power steering pump.





7. Install the power steering pump pressure hose to the power steering pump.
^ Tighten the power steering pump pressure hose to 32 Nm (24 ft. lbs.).

Important: Ensure that the hose contacts the power steering pump as shown.


8. Fill and bleed the power steering system.

Important: The power steering system on this vehicle does not use standard power steering fluid.

9. Clean up any spilled power steering fluid from the hoses, connectors or pump.
10. Connect the energy storage box after servicing the vehicle.
11. Calibrate the brake pedal position sensor.