GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2006 🢒 Terraza 🢒 Engine 🢒 Engine Electrical 🢒 Spark Plug Wire Replacement

Removal Procedure

    Object Number: 1299208 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.

  1. Remove the spark plug wires  (2,4, and 6) from the engine left side spark plugs.
  2. Remove the spark plug wires from the retaining clips.
  3. Rotate engine for access to back of engine. Refer to Rotating the Engine for Service Access .

    4. Object Number: 1299397 Size: SH
  4. Remove the spark plug wires  (1,3, and 5) from the engine right side spark plugs.
  5. Remove the spark plug wires from the retaining clip.

    6. Object Number: 1299411 Size: SH
  6. Remove the spark plug wires from the ignition coils.
  7. Remove the spark plug wires from the engine.
  8. If you are replacing the spark plug wires, transfer any of the following components:
    9. • Spark plug wire conduit
    • Spark plug wire retaining clips

Installation Procedure

    Object Number: 1299397 Size: SH
  1. Install the spark plug wires (1,3, and 5) to the ignition coils.
  2. Install the spark plug wires (1,3, and 5) to the engine right side spark plugs.
  3. Install the spark plug wires to the retaining clip.
  4. Rotate engine back to original position. Refer to Rotating the Engine for Service Access .

    5. Object Number: 1299208 Size: SH
  5. Install the spark plug wires (2,4, and 6) to the ignition coils.
  6. Install the spark plug wires (2,4, and 6) to the engine left side spark plugs.
  7. Install the spark plug wires to the retaining clips.