GM Service Manual Online
For 1990-2009 cars only

Assembly Procedure

Tools Required

J 39998 Ignition Distributor Rotor


    Object Number: 21466  Size: SH
  1. Install the shield and the distributor cover.

  2. Object Number: 19569  Size: SH
  3. Install the rotor.
  4. Use the J 39998 or the equivalent in order to install the distributor rotor bolts.
  5. Tighten
    Tighten the distributor rotor bolts to 0.70 N·m (6 lb in).

    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.


    Object Number: 19567  Size: SH
  6. Install the distributor cap.
  7. Use the J 39998 or equivalent in order to install the distributor cap bolts.
  8. Tighten
    Tighten the distributor cap bolts to 2.8 N·m (25 lb in).

  9. Install the vacuum harness. Refer to Section 6E.
  10. Connect the PCM connector.
  11. Install the spark plug wires. Refer to Spark Plug Wires Not Operating Properly .
  12. Install the crankshaft balancer. Refer to Crankshaft Balancer and Hub Replacement in Engine Mechanical.
  13. Install the water pump. Refer to Water Pump Replacement in Engine Cooling.