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Home >> Buick >> 2005 >> Century Custom >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Introduction >> Repair Instructions >> Spark Plug Wire Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: Identifying Spark Plug Wire Routing
    GM211481Courtesy of GENERAL MOTORS CORP.
    NOTE: 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. Fig 2: Spark Plug Wires To Spark Plugs
    GM211485Courtesy of GENERAL MOTORS CORP.
  3. Remove the spark plug wires 1, 3, and 5 from the engine right side spark plugs.
  4. Remove the spark plug wires from the retaining clip.
    5. Fig 3: Identifying Spark Plug Wire Location On Ignition Coils
    GM162818Courtesy of GENERAL MOTORS CORP.
  5. Remove the spark plug wires from the ignition coils.
  6. Remove the spark plug wires from the engine.
  7. If you are replacing the spark plug wires, transfer any of the following components:
    • Spark plug wire conduit
    • Spark plug wire retaining clips
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