GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • 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. Notice: Refer to Fastener Notice 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 .