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Home >> Chevrolet >> 2005 >> Uplander LS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.5L - Introduction (2 Of 2) >> Repair Instructions >> Spark Plug Wire Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: Removing Spark Plug Wires From Engine Left Side
    GM1299208Courtesy 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. Rotate engine for access to back of engine. Refer to Rotating the Engine for Service Access .
    4. Fig 2: Removing Spark Plug Wires From Engine Right Side
    GM1299397Courtesy of GENERAL MOTORS CORP.
  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. Fig 3: Removing Spark Plug Wires From Ignition Coils
    GM1299411Courtesy of GENERAL MOTORS CORP.
  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:
    • Spark plug wire conduit
    • Spark plug wire retaining clips
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