GM Service Manual Online
For 1990-2009 cars only

    Object Number: 715591  Size: SH
  1. Add sealer GM P/N 12346004 (Canadian P/N 10953480) to the plug threads.
  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 engine block oil gallery plug to rear of block.
  4. Tighten
    Tighten the engine block oil gallery plug to 80 N·m (40 lb ft).


    Object Number: 764315  Size: SH
  5. Add sealer GM P/N 12346004 (Canadian P/N 10953480) to the plug threads.
  6. Install the engine block oil gallery plugs to front and left of block.
  7. Tighten

        • Tighten the side engine block oil gallery plugs to 35 N·m (26 lb ft).
        • Tighten the front (1) engine block oil gallery plug to 80 N·m (40 lb ft).

    Object Number: 748319  Size: SH
  8. Add sealer GM P/N 12346004 (Canadian P/N 10953480) to the coolant temperature sensor threads.
  9. Install the coolant temperature sensor.
  10. Tighten
    Tighten the coolant temperature sensor to 20 N·m (15 lb ft).


    Object Number: 637591  Size: SH
  11. Add sealer GM P/N 12346004 (Canadian P/N 10953480) to the EVAP solenoid bolt threads.
  12. Tighten
    Tighten the EVAP solenoid bolt to 10 N·m (89 lb in).


    Object Number: 637594  Size: SH
  13. Install the knock sensors.
  14. Tighten
    Tighten the knock sensors to 25 N·m (18 lb ft).


    Object Number: 637595  Size: SH
  15. Add sealer GM P/N 12346004 (Canadian P/N 10953480) to the crankshaft position sensor bolt.
  16. Install the crankshaft position sensor and bolt.
  17. Tighten
    Tighten the crankshaft position sensor bolt to 10 N·m (89 lb in).