Power Steering Pump Replacement

Power Steering Pump Replacement (4.3L)

Removal Procedure

1. Place drain pans under the vehicle.

2. Remove as much power steering fluid from the reservoir as possible.

3. Remove the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement (6.6L) Service and RepairPower Steering Pump Pulley Replacement (4.3L) Service and RepairPower Steering Pump Pulley Replacement (4.8L, 5.3L, 6.0L, or 6.2L) Service and Repair.

4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Service and Repair.





Caution:
Refer to Power Steering Hose Disconnected Caution Service Precautions.

5. Disconnect the reservoir outlet hose from the power steering pump through the wheel well.





6. Disconnect the power steering gear outlet hose or the cooler hose from the power steering pump through the wheel well.





7. Disconnect the power brake booster inlet hose (2) from the power steering pump (1) through the wheel well.

8. Cap the ends of the hose and the power steering pump in order to prevent the entrance of dirt.





9. Remove the power steering pump mounting bolts and the nuts.

10. Remove the power steering pump from the vehicle.





11. Remove the power steering pump rear bracket mounting nuts.

12. Remove the power steering pump rear bracket from the power steering pump.

Installation Procedure





1. Install the rear bracket to the power steering pump.

Caution:
Refer to Fastener Caution Fastener Caution.

2. Install the power steering pump rear bracket mounting nuts and tighten to 50 Nm (37 lb ft).





3. Position the power steering pump in the vehicle.

4. Install the power steering pump front mounting bolts 50 Nm (37 lb ft).

5. Install the power steering pump lower and rear nuts and tighten to 41 Nm (30 lb ft).

6. Uncap the power steering hoses.





Caution:
Refer to Installing Hoses without Twists or Bends Caution Installing Hoses without Twists or Bends Caution.

7. Connect the power brake booster inlet hose (2) to the power steering pump through the wheel well and tighten 34 Nm (25 lb ft).





8. Connect the power steering gear outlet hose or the cooler hose to the power steering pump through the wheel well.





9. Connect the reservoir outlet hose to the power steering pump through the wheel well.

10. Lower the vehicle.

11. Install the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement (6.6L) Service and RepairPower Steering Pump Pulley Replacement (4.3L) Service and RepairPower Steering Pump Pulley Replacement (4.8L, 5.3L, 6.0L, or 6.2L) Service and Repair.

12. Fill and bleed the power steering system. Refer to Power Steering System Bleeding Service and Repair.

13. Clean any excess power steering fluid from the vehicle.

14. Remove the drain pans from under the vehicle.