GM Service Manual Online
For 1990-2009 cars only

Special Tools

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

Removal Procedure


    Object Number: 649303  Size: SH
  1. Remove the brake pressure modulator valve (BPMV). Refer to Brake Pressure Modulator Valve Replacement.
  2. Remove the BPMV bracket. Refer to Brake Pressure Modulator Valve Bracket Replacement.
  3. Remove the accessory drive belt. Refer to Drive Belt Replacement - Accessory.
  4. Install the J 25034-C on the power steering pump pulley and remove the pulley.

Installation Procedure


    Object Number: 643361  Size: SH
  1. Using J 25033-C , install the power steering pump pulley onto the power steering pump.

  2. Object Number: 254752  Size: SH

    Important: The pulley must be installed onto pump shaft so that the pulley hub is flush to within 0.25 mm (0.010 in) with the pump shaft.

  3. Install the accessory drive belt. Refer to Drive Belt Replacement - Accessory.
  4. Install the BPMV bracket. Refer to Brake Pressure Modulator Valve Bracket Replacement.
  5. Install the BPMV. Refer to Brake Pressure Modulator Valve Replacement.