GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2009 🢒 H2 🢒 Steering 🢒 Power Steering 🢒 Power Steering Pump Replacement

Removal Procedure
  1. Remove the power steering pulley. Refer to Power Steering Pump Pulley Replacement.
  2. Place a drain pan under the pump.
  3. Remove the hose guide bracket from the front of the pump.
  4. Remove the hoses from the pump.
  5. Remove the bolt retaining the rear bracket to the engine.

    6. Object Number: 346660 Size: SH
  6. Remove the bolts from the front of the pump.
  7. Remove the pump from the vehicle.

    8. Object Number: 656325 Size: SH
  8. Remove the bracket (3) from the rear of the pump (1).

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 656325 Size: SH
  1. Install the bracket (3) to the rear of the pump (1).

    2. Tighten
    Tighten the rear bracket retaining nuts to 50 N·m (37 lb ft).


    Object Number: 346660 Size: SH
  2. Install the pump.
  3. Install the hose guide bracket bolt to the pump.
  4. Install the bolt retaining the rear bracket to the engine.
  5. Install the bolts to the front of the pump.

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

  6. Install the hoses to the pump.

    7. Tighten
    Tighten the nut to 28 N·m (21 lb ft).

  7. Install the power steering pulley. Refer to Power Steering Pump Pulley Replacement.
  8. Fill and bleed the power steering system. Refer to Power Steering System Bleeding.