GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2001 🢒 Firebird 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Spark Plug Wire Replacement

Spark Plug Wire Replacement Spark Plug Wire Replacement (Bank 1)

Removal Procedure

    Object Number: 43661 Size: SH
  1. Disconnect the odd numbered plug wires (1, 3, 5) from the ignition coils.

    2. 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.

  2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

    3. Object Number: 211642 Size: SH
  3. Remove the plug wires from the spark plugs.
  4. Remove the spark plug wire harness from the vehicle.

Installation Procedure

Important: The lower tabs of the heat shield must extend over the hex on the spark plug in order to complete installation of the heat shield and the boot on the spark plug.

  1. Install the spark plug wire harness to the vehicle.

    2. Object Number: 211642 Size: SH
  2. Install the spark plug wires to the spark plugs.
  3. Lower the vehicle.

    4. Object Number: 43661 Size: SH
  4. Connect the odd numbered plug wires (1, 3, 5) to the ignition coils.

Spark Plug Wire Replacement Spark Plug Wire Replacement (Bank 2)

Removal Procedure
  1. Turn the ignition to OFF.
  2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

    3. Object Number: 211645 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. Disconnect the number 4 and number 6 plug wires from the spark plugs.
  4. Lower the vehicle.
  5. Disconnect the number 2 plug wire from the spark plug.

    6. Object Number: 43661 Size: SH
  6. Disconnect the even (2, 4, 6) spark plug wires from the ignition coils.
  7. Remove the spark plug wire harness.

Installation Procedure

Important: The lower tabs of the heat shield must extend over the hex on the spark plug in order to complete installation of the heat shield and the boot on the spark plug.

  1. Install the spark plug wire harness.

    2. Object Number: 43661 Size: SH
  2. Connect the even (2, 4, 6) spark plug wires to the ignition coils.
  3. Connect the number 2 plug wire to the spark plug.
  4. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

    5. Object Number: 211645 Size: SH
  5. Connect the number 4 and number 6 plug wires to the spark plugs.
  6. Lower the vehicle.