GM Service Manual Online
For 1990-2009 cars only

Tool Required

J 41240 Pulley Holding Tool


    Object Number: 637645  Size: SH
  1. Install the water pump gasket.
  2. Install the water pump.
  3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

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


    Object Number: 748318  Size: SH
  6. Install the water pump pulley.
  7. Install the water pump pulley bolts.
  8. Install J 41240 to hold pulley.
  9. Tighten the water pump pulley bolts.
  10. Tighten
    Tighten the water pump pulley bolts to 25 N·m (18 lb ft).

  11. Remove J 41240 .