GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 25034-C Power Steering Pulley Remover
    • J 25033-C Power Steering Pulley Installer

Removal Procedure

  1. Remove the air cleaner assembly, 5.7L only. Refer to Air Cleaner Assembly Replacement in Engine Controls-5.7L.
  2. Remove the radiator intake hose from the radiator and reposition away from the pulley. Refer to Radiator Inlet Hose Replacement in Engine Cooling.
  3. Remove the drive belt from the power steering pulley. Refer to one of the following procedures:
  4. •  Drive Belt Replacement in Engine Mechanical-3.8L
    •  Drive Belt Replacement - Accessory in Engine Mechanical-5.7L

    Object Number: 649303  Size: SH
  5. Use the J 25034-C in order to remove the power steering pulley from the power steering pump.

Installation Procedure


    Object Number: 643361  Size: SH

    Important: 

       • 3.8 Liter Engine: Ensure that the face of the power steering pulley hub is flush with the end of the power steering pump shaft before you apply a load to the power steering pulley hub.
       • 5.7 Liter Engine: Ensure that the power steering pulley hub shoulder bottoms out completely on the power steering pulley shaft before you apply a load to the power steering pulley hub.
       • Ensure that the power steering pulley goes on snug when installing the power steering pulley with the special tool. If the power steering pulley installs onto the power steering pump shaft too easily, it will not relay engine power to the power steering pump and should be replaced.

  1. Use the J 25033-C in order to install the power steering pulley to the power steering pump.
  2. Install the radiator intake hose to the radiator, 5.7L only. Refer to Radiator Inlet Hose Replacement in Engine Cooling.
  3. Install the air cleaner assembly, 5.7L only. Refer to Air Cleaner Assembly Replacement in Engine Controls-5.7L.
  4. Install the drive belt to the power steering pulley. Refer to one of the following procedures:
  5. •  Drive Belt Replacement in Engine Mechanical-3.8L
    •  Drive Belt Replacement - Accessory in Engine Mechanical-5.7L
  6. Check the power steering pulley for correct operation.