GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1335441  Size: SH
  1. Install the thermostat housing.
  2. 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.

  3. Install the thermostat housing bolts and nuts.
  4. Tighten
    Tighten the thermostat housing bolts and nuts to 25 N·m (18 lb ft).


    Object Number: 1335434  Size: SH
  5. Install the fuel pipe bracket bolt.
  6. Tighten
    Tighten the fuel pipe bracket bolt to 25 N·m (18 lb ft).


    Object Number: 1335432  Size: SH
  7. Install the water pump inlet pipe.

  8. Object Number: 1335429  Size: SH
  9. Install the turbocharger coolant outlet hose and clamps.

  10. Object Number: 1335424  Size: SH
  11. Install the water pump inlet pipe bolts.
  12. Tighten
    Tighten the water pump inlet pipe bolts to 25 N·m (18 lb ft).


    Object Number: 1662868  Size: SH
  13. Install the exhaust gas recirculation (EGR) coolant pipe.
  14. Install the EGR coolant pipe bolts.
  15. Tighten
    Tighten the EGR coolant pipe bolts to 25 N·m (18 lb ft).


    Object Number: 1335413  Size: SH
  16. Connect the coolant temperature sensor.

  17. Object Number: 1662867  Size: SH
  18. Install the oil fill tube.

  19. Object Number: 1335397  Size: SH
  20. Install the oil fill tube bolts.
  21. Tighten
    Tighten the oil fill tube bolts to 25 N·m (18 lb ft).


    Object Number: 1662866  Size: SH
  22. Install the fuel and electrical harness bracket.
  23. Install the fuel and electrical harness bracket bolt.
  24. Tighten
    Tighten the electrical harness bracket bolt to 10 N·m (89 lb in).


    Object Number: 1335386  Size: SH
  25. Connect the turbocharger coolant inlet hose.

  26. Object Number: 1334926  Size: SH
  27. Connect and install the turbocharger vane position sensor.