Power Steering Pump: Service and Repair

Power Steering Pump Replacement (4.3L)

Removal Procedure

Tools Required

- J 25034-B Power Steering Pump Pulley Remover

1. Remove the upper fan shroud.
2. Remove the Drive belt.
3. Remove the fan clutch from the water pump.
4. Install J 25034-B to the power steering pump pulley.
Ensure that the pilot bottoms in the pump shaft by turning the nut to the top of the pilot bolt.




5. Hold the pilot bolt.
6. Turn the nut clockwise.
7. Remove the power steering pump pulley.




8. Raise and suitably support the vehicle.
9. Remove steering Linkage shield.
10. Place a drain pan below the pump.
11. Disconnect the power steering pressure hose from the power steering pump.
12. Lower the vehicle.
13. Disconnect the power steering return hose from the power steering pump.




14. Cap the power steering pump hoses.
15. Remove the filler neck tube.




16. Remove the power steering rear bracket nut from the engine stud.
17. Remove the power steering lower retaining nut from the engine stud.




18. Remove the power steering pump front mounting bolts.




19. Remove the power steering pump.

Installation Procedure

Tools Required

- J 25033-B Power Steering Pump Pulley Installer

1. Install the power steering pump.




2. Install the power steering pump front mounting bolts.
Tighten
Tighten the power steering pump front mounting bolts to 50 N.m(37 lb ft).




3. Install the rear bracket nut to the engine stud.
4. Install the power steering pump front mounting nut to engine stud.
Tighten
Tighten the power steering rear bracket nut and the power steering pump front mounting nut to 41 N.m (31 lb ft).




5. Install the filler neck tube.
Tighten
Tighten the neck tube bolt to 20 N.m (15 lb ft).




6. Connect the power steering return hose to the power steering pump.
7. Raise and suitably support the vehicle.
8. Connect the power steering pressure hose to the power steering pump.
9. Install steering Linkage shield.
10. Lower the vehicle.




11. Place the power steering pump pulley on the end of the power steering pump shaft.




12. Install J 25033-B.
Ensure that the pilot bolt bottoms in the shaft by turning the nut to the top of the pilot bolt.
13. Hold the pilot bolt.
14. Turn the nut counterclockwise
15. Install the power steering pump pulley.




16. Install the pulley (1) flush against the end of the power steering pump shaft (2), with an allowable variance of 0.25 mm (0.010 in).
17. Remove the fan clutch from the water pump.
18. Install the Drive belt.
19. Remove the upper fan shroud.
20. Fill the power steering system.
21. Bleed the system.
22. Inspect the hoses for clearance.