Power Steering Pump Replacement 4.3, 5.0 and 5.7L Engines

Tools Required

1. Place a drain pan below the pump (2).
2. Remove the fan shroud. Refer to Fan Shroud Replacement in Engine Cooling.
3. Remove the pump drive belt. Install a 3/8 inch drive ratchet on the tensioner arm and rotate the arm counterclockwise.
4. Disconnect the hoses at the pump.

Raise the hose up in order to prevent drainage of the oil.

5. Cap the ends of the hose and the pump in order to prevent the entrance of dirt.
6. Disconnect the reservoir hose at the pump.
7. Cap the pump fittings.



8. Install the J 25034-C .
9. Turn the nut to the top of the pilot bolt in order to ensure that the pilot bolt bottoms in the pump shaft.
10. Hold the pilot bolt.
11. Turn the nut counterclockwise.
12. Remove the pulley from the pump.
13. Remove the remaining pump line.
14. Cap the connection.
15. Remove the following parts:

•	The adjusting bolts (5)

•	The nuts (4)

•	The brackets (1, 3)

16. Remove the pump from the vehicle.

1. Install the brackets (1, 3) to the pump (2).
2. Place the pulley on the end of the pump shaft.



3. Install the J 25033-C .
4. Turn the nut to the top of the pilot bolt in order to ensure that the pilot bolt bottoms in the pump shaft.
5. Hold the pilot bolt.
6. Turn the nut clockwise.
7. Prior to mounting the pump, fill the pump housing with as much fluid as possible.
8. Loosely install the pump assembly to the engine using the bolts (5) and the nuts (4).

Important: 

•	Improperly installed hoses are subject to chafing and other abuses during sharp turns.

•	Do not start the engine with any disconnected power steering hoses. When the power steering hoses are connected, ensure that the hoses and the drive belt, the sheet metal, and any other components have clearance in order to avoid chafing or interference.

9. Connect the power steering hoses to the pump. .

Tighten
Tighten the hose fittings to 27N·m (20 lb ft).

10. Fill the reservoir.
11. Turn the pulley counterclockwise as viewed from the front in order to bleed the pump.

Cease turning the pulley when air bubbles no longer appear.

12. Tighten the steering pump mounting bolts.

Tighten
Tighten the bolts to 50 N·m (37 lb ft).

13. Install the pump drive belt. Install a 3/8 inch drive ratchet on the tensioner arm and rotate the arm counterclockwise.
14. Install the fan shroud. Refer to Fan Shroud Replacement in Engine Cooling.
15. Fill the system with power steering fluid.
16. Bleed the system. Refer to Power Steering System Bleeding .

Power Steering Pump Replacement 7.4L Engine

Tools Required

1. Place a drain pan below the pump.
2. Remove the pump drive belt. Install a 3/8 inch drive ratchet on the tensioner arm and rotate the tensioner arm counterclockwise.
3. Remove the remaining pump line.
4. Cap the connection.



5. Remove the following parts:

•	The adjusting bolts (3)

•	The bracket (1)

6. Remove the pump (2) from the vehicle.
7. Disconnect the hoses at the pump.

Raise the hose up in order to prevent drainage of the oil.

8. Cap the ends of the hose and the pump in order to prevent the entrance of dirt.
9. Disconnect the reservoir hose at the pump.
10. Cap the pump fittings.
11. Remove the pulley from the pump.



12. Install the J 25034-C .
13. Turn the nut to the top of the pilot bolt in order to ensure that the pilot bolt bottoms in the pump shaft.
14. Hold the pilot bolt.
15. Turn the nut counterclockwise.

1. Install the bracket (1) to the pump (2).
2. Place the pulley on the end of the pump shaft.



3. Install the J 25033-C .
4. Turn the nut to the top of the pilot bolt (1) in order to ensure that the pilot bolt bottoms in the pump shaft.
5. Hold the pilot bolt.
6. Turn the nut clockwise.
7. Prior to mounting the pump, fill the pump housing with as much fluid as possible.
8. Loosely install the pump assembly to the engine using the bolts (2).

Important: 

•	Improperly installed hoses are subject to chafing and other abuses during sharp turns.

•	Do not start the engine with any disconnected power steering hoses. When the power steering hoses are connected, ensure that the hoses and the drive belt, the sheet metal, and any other components have clearance in order to avoid chafing or interference.

9. Connect the power steering hoses to the pump.

Tighten
Tighten the hose fittings to 27N·m (20 lb ft).

10. Fill the reservoir.
11. Turn the pulley counterclockwise as viewed from the front in order to bleed the pump in order to bleed the pump.

Cease turning the pulley when air bubbles no longer appear.

12. Tighten the steering pump mounting bolts.

Tighten
Tighten the bolts to 50 N·m (37 lb ft).

13. Install the pump drive belt. Install a 3/8 inch drive ratchet on the tensioner arm and rotate the arm counterclockwise.
14. Fill the system with power steering fluid.
15. Bleed the system. Refer to Power Steering System Bleeding .

Power Steering Pump Replacement 6.5L Diesel

Tools Required

1. Place a drain pan below the pump (2).
2. Remove the pump drive belt. Install a 3/8 inch drive ratchet on the tensioner arm and rotate the arm counterclockwise.
3. Disconnect the hoses at the pump.

Raise the hose up in order to prevent drainage of the oil.

4. Cap the ends of the hose and the pump in order to prevent the entrance of dirt.
5. Disconnect the reservoir hose at the pump.
6. Cap the pump fittings.
7. Remove the pulley from the pump.



8. Install the J 25034-C .
9. Turn the nut to the top of the pilot bolt in order to ensure that the pilot bolt bottoms in the pump shaft.
10. Hold the pilot bolt.
11. Turn the nut counterclockwise.
12. Remove the remaining pump line.
13. Cap the connection.
14. Remove the following parts:

•	The adjusting bolts (1, 3)

•	The brackets (2)

•

The nuts

15. Remove the pump from the vehicle.

1. Install the brackets (2) to the pump.
2. Place the pulley on the end of the pump shaft.



3. Install the J 25033-C .
4. Turn the nut to the top of the pilot bolt in order to ensure that the pilot bolt bottoms in the pump shaft.
5. Hold the pilot bolt.
6. Turn the nut clockwise.
7. Prior to mounting the pump, fill the pump housing with as much fluid as possible.
8. Loosely install the pump assembly to the engine using the bolts (1, 3).

Important: 

•	Improperly installed hoses are subject to chafing and other abuses during sharp turns.

•	Do not start the engine with any disconnected power steering hoses. When the power steering hoses are connected, ensure that the hoses and the drive belt, the sheet metal, and any other components have clearance in order to avoid chafing or interference.

9. Connect the power steering hoses to the pump.

Tighten
Tighten the hose fittings to 27N·m (20 lb ft).

10. Fill the reservoir.
11. Turn the pulley counterclockwise, as viewed from the front, in order to bleed the pump.

Cease turning the pulley when air bubbles no longer appear.

12. Tighten the steering pump mounting bolts.

Tighten
Tighten the bolts to 50 N·m (37 lb ft).

13. Install the pump drive belt. Install a 3/8 inch drive ratchet on the tensioner arm and rotate the arm counterclockwise.
14. Fill the system with power steering fluid.
15. Bleed the system. Refer to Power Steering System Bleeding .