GM Service Manual Online
For 1990-2009 cars only

Power Steering Pump Pulley Replacement LA1

Tools Required

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

Removal Procedure

  1. Remove the power steering pump from the engine for clearance. Refer to Power Steering Pump Replacement .

  2. Object Number: 649303  Size: SH
  3. Use the J 25034-C in order to remove the pump pulley.

Installation Procedure


    Object Number: 643361  Size: SH

    Important: 

       • Ensure that the face of the pulley hub is flush with the end of the pump shaft.
       • Do not use the arbor press to install the pulley.

  1. Use theJ 25033-C in order to install the power steering pump pulley.
  2. Install the power steering pump to the engine. Refer to Power Steering Pump Replacement .

Power Steering Pump Pulley Replacement LY7

Tools Required

    • J 25034-C Power Steering Pump Pulley Remover
    • J 25034-257 Power Steering Pump Pulley Remover Adapter

Removal Procedure

  1. Remove the power steering pump from the engine for clearance. Refer to Power Steering Pump Replacement .

  2. Object Number: 649303  Size: SH
  3. Use the J 25034-C and J 25034-257 in order to remove the pump pulley.

Installation Procedure


    Object Number: 643361  Size: SH
  1. Use Mac® Tools Power Steering Pump Pulley Service Kit or equivalent, to install the power steering pump pulley.

  2. Object Number: 254752  Size: SH

    Important: 

       • Ensure that the face of the pulley hub is flush to within 0.25 mm (0.010 in) with the end of the pump shaft.
       • Do not use the arbor press to install the pulley.

  3. Install the power steering pump to the engine. Refer to Power Steering Pump Replacement .