GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 41515-A Glow Plug Socket
    • J 39083 Glow Plug Connector Tool

    Object Number: 59862  Size: SH
  1. Install the crankshaft position sensor in the front cover (if equipped).

  2. Object Number: 59857  Size: SH

    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 crankshaft position sensor bolt (if equipped).
  4. Tighten
    Tighten the crankshaft position sensor bolt to 23 N·m (17 lb ft) (if equipped).


    Object Number: 65002  Size: SH
  5. Install the glow plugs using the J 41515-A .
  6. Tighten
    Tighten the glow plugs to 22 N·m (16 lb ft).


    Object Number: 70255  Size: SH
  7. Install the heat shields on cylinders number 4 and 6.
  8. Using J 39083 install the jumper wires to cylinders 4 and 6.

  9. Object Number: 64989  Size: SH
  10. Place the harness in the engine valley.
  11. Plug in or connect all the wiring harness connectors to devices or attachment points.