Power Steering Pump Replacement

Power Steering Pump Replacement (4.3L)

Removal Procedure




1. Place a drain pan below under the vehicle.
2. Remove the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement (Service and Repair).
3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
4. Disconnect the reservoir outlet hose from the power steering pump through the wheel well.




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




6. Disconnect the power brake booster inlet hose (2) from the power steering pump (1) through the wheel well.
7. Cap the ends of the hose and the power steering pump in order to prevent the entrance of dirt.




8. Remove the power steering pump mounting bolts and the nuts.
9. Remove the power steering pump from the vehicle.




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

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. Install the power steering pump to 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.





Note: Route the power steering hoses in the same location in which they were removed.

7. Install the power brake booster inlet hose (2) to the power steering pump through the wheel well and tighten 33 Nm (24 lb ft).




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




9. Install the reservoir outlet hose to the power steering pump through the wheel well.
10. Install the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement (Service and Repair).
11. Bleed the system. Refer to Power Steering System Bleeding (Service and Repair).
12. Remove the drain pan from under the vehicle.