GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 38825 Power Steering and Water Pump Pulley Remover
    • J 38823 Water Pump Pulley Installer

Removal Procedure


    Object Number: 1207144  Size: SH
  1. Release the outer water pump drive belt tensioner and remove the drive belt from the drive pulley. Refer to Water Pump Belt Replacement.
  2. Remove the end cap from the intake camshaft.

  3. Object Number: 52984  Size: SH
  4. Remove the water pump drive pulley from the intake camshaft using the J 38825 .

Installation Procedure


    Object Number: 1207161  Size: SH
  1. Place the water pump drive pulley in position on the intake camshaft.

  2. Object Number: 52985  Size: SH
  3. Install the water pump pulley onto the intake camshaft using the J 38823 . During installation, the tool will bottom out on the camshaft at the proper depth.
  4. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1207144  Size: SH
  5. Install the camshaft end cap.
  6. Tighten
    Tighten the cap to 2 N·m (18 lb in).

  7. Install the water pump drive belt. Refer to Water Pump Belt Replacement.