Diesel Data: Automotive Repair

Removal and Replacement




Hydraulic Power Steering Pump Replacement

1. Place a suitable container under the vehicle to catch any spilled fluid.

2. Drain the power steering fluid from the reservoir Service and Repair.

3. J35A7 engine model: Disconnect the IMT actuator connector (A).





4. Remove the drive belt (B) from the pump pulley: J35A6 engine Drive Belt Inspection (J35A6), J35A7 engine Drive Belt Inspection (J35A7 Engine).

5. Cover the auto-tensioner, the alternator, and the A/C compressor with several shop towels to protect them from spilled power steering fluid. Disconnect the pump inlet hose (C) and the pump outlet hose (D) from the pump (E), and plug them. Take care not to spill the fluid on the vehicle. Wipe off any spilled fluid at once. Do not turn the steering wheel with the pump removed.

6. Remove the pump mounting bolts (F), then remove the pump.

7. Cover the opening of the pump with a piece of tape to prevent foreign material from entering the pump.

8. Connect the pump inlet hose and the pump outlet hose onto the new pump with the new O-ring (G).

9. Loosely install the pump in the pump bracket with the mounting bolts, then tighten the pump fittings securely.

10. Tighten the pump mounting bolts to the specified torque.

11. Install the drive belt (A): J35A6 engine Drive Belt Inspection (J35A6), J35A7 engine Drive Belt Inspection (J35A7 Engine).

Note these items during drive belt installation:

- Inspect the belt for wear and cracks. Replace the belt if necessary.
- Make sure that the drive belt is properly positioned on the pulleys (B).
- Do not get power steering fluid or grease on the auto-tensioner, the alternator, the A/C compressor, and the drive belt or pulley faces. Clean off any fluid or grease before installation.





12. J35A7 engine model: Connect the IMT actuator connector.

13. Fill the reservoir to the upper level line Service and Repair.

14. Start the engine, and check for leaks.