Power Steering Pump Replacement

Power Steering Pump Replacement
Removal Procedure
1. Move the intake air duct away from the pump.
2. Remove the engine accessory drive belt.
3. Place a drain pan below the vehicle and remove the power steering fluid reservoir.





4. Notice: Refer to Power Steering Hose Disconnected Notice in Service Precautions.

Remove the power steering gear inlet pipe and the flare nut from the pump.
5. Remove and discard the O-ring from the high pressure port on the pump.
6. Loosen the hose clamp on the reservoir outlet hose.
7. Remove the reservoir outlet hose from the pump.





8. Remove the 2 bolts (5,6) from the pump (1).
9. Remove the pump from the mounting bracket (2).

Installation Procedure





1. Install the power steering pump (1) to the mounting bracket (2).

2. Notice:

Install the 2 bolts (5,6) in order to retain the pump to the bracket.
Tighten the 2 bolts to 28 Nm (21 ft. lbs.).





3. Apply GM Goodwrench Automatic Transmission Fluid DEXRON(R)-III, GM P/N 12378470, or the equivalent ATF, in order to lubricate a NEW O-ring for the high pressure port.
4. Install the O-ring to the power steering gear inlet pipe.

5. Notice: Refer to Installing Hoses without Twists or Bends Notice in Service Precautions.

Important: Ensure the threads on the flare nut engage the threads in the high pressure port with at least 2 turns of the flare nut.

Install the power steering gear inlet pipe and the NEW O-ring to the high pressure port on the pump.
6. Tighten the flare nut.
Tighten the flare nut to 30 Nm (22 ft. lbs.).
7. Install the reservoir outlet hose to the pump. Install the hose clamp.
8. Install the power steering fluid reservoir.
9. Install the engine accessory drive belt.
10. Install the intake components.
11. Remove the drain pan.

12. Notice: Refer to Using Proper Power Steering Fluid Notice in Service Precautions.

Fill the power steering fluid reservoir.

13. Notice: Refer to Air in the Power Steering System Notice in Service Precautions.