Power Steering Pump Replacement

Power Steering Pump Replacement (4.3L)

Removal Procedure
1. Place a drain pan under the pump.
2. Remove the power steering pulley.





3. Remove the power steering return hoses (2,4) from the power steering pump.





4. Remove the power steering rear mounting bracket nut from the engine stud.





5. Remove the power steering pump mounting bolts.





6. Remove the accessory mounting bracket mounting bolts and nut.
7. Pull the accessory mounting bracket forward.
8. Remove the power steering pump from the vehicle.





9. Remove the power steering pressure hose (2) from the power steering pump.





10. Remove the nuts retaining the power steering pump rear bracket from the power steering pump.

Installation Procedure





1. Notice:
Refer to Fastener Notice.

Install the power steering pump rear bracket to the pump.
2. Install the nuts retaining the bracket to the power steering pump.
Tighten the nuts to 50 Nm (37 ft. lbs.).





3. Install the power steering pressure hose (2) to the power steering pump.
Tighten the fitting to 28 Nm (20 ft. lbs.).





4. Install the power steering pump mounting bolts.
Tighten the power steering mounting bolts and nut to 50 Nm (37 ft. lbs.).





5. Install the power steering rear mounting bracket nut to the engine stud.
Tighten the power steering rear bracket nut to 50 Nm (37 ft. lbs.).





6. Install the power steering return hoses and retaining clamps (3,5) to the power steering pump.





7. Reposition the accessory mounting bracket and install the bolts and nut.
^ Tighten the accessory mounting bracket bolts to 50 Nm (37 ft. lbs.).
^ Tighten the accessory mounting bracket nut to 41 Nm (30 ft. lbs.).
8. Install the power steering pulley.
9. Fill and bleed the power steering system. Refer to Power Steering System Bleeding.
10. Refer to Control Module References for programming and setup information.