GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the injector sight shield. Refer to Fuel Injector Sight Shield Replacement .

  2. Object Number: 1087865  Size: SH

    Notice: Twist the spark plug boot one-half turn in order to release the boot. Pull on the spark plug boot only. Do not pull on the spark plug wire or the wire could be damaged.

  3. Remove the spark plug wires (1) from the left side spark plugs.
  4. Remove the spark plug wires from the retaining clips (2).

  5. Object Number: 1087939  Size: SH
  6. Remove the spark plug wires (1) from the right side spark plugs.
  7. Remove the spark plug wires from the retaining clips (2).
  8. Remove the spark plug wires from the ignition coil/control module.
  9. Remove the spark plug wires from the engine.
  10. If you are replacing the spark plug wires, transfer any of the following components:
  11. • Boot heat shields
    • Spark plug wire conduit
    • Spark plug wire retaining clips

Installation Procedure


    Object Number: 1087939  Size: SH
  1. Install the spark plug wires (1) to the ignition coil/control module.
  2. Install the spark plug wires (1) to the right side spark plugs.
  3. Install the spark plug wires to the retaining clips (2).

  4. Object Number: 1087865  Size: SH
  5. Install the spark plug wires (1) to the left side spark plugs.
  6. Install the spark plug wires to the retaining clips (2).
  7. Install the injector sight shield. Refer to Fuel Injector Sight Shield Replacement .