GM Service Manual Online
For 1990-2009 cars only

Tools Required

EN 46104 Water Pump Pulley Holding Tool


    Object Number: 1855659  Size: SH
  1. Ensure that the engine front cover and water pump are clear of old gasket material.
  2. Place a new water pump gasket on the water pump.
  3. Place the water pump in position on the front cover.
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the water pump bolts.
  6. Tighten
    Tighten the water pump bolts to 10 N·m (89 lb in).


    Object Number: 1855658  Size: SH
  7. Install the water pump pulley.
  8. Loosely install the water pump pulley bolts.

  9. Object Number: 1855657  Size: SH
  10. Install the EN 46104  (1) onto the water pump pulley.
  11. Tighten
    Tighten the water pump pulley bolts to 10 N·m (89 lb in).