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Home >> Chevrolet >> 2005 >> Chevy Express G3500, Van Passenger Extended >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.8L, 5.3L, And 6.0L - Introduction >> Repair Instructions >> Spark Plug Wire Replacement >> Removal Procedure

Removal Procedure

  1. Remove the engine cover. Refer to Engine Cover Replacement in Interior Trim.
  2. Fig 1: View Of Spark Plug Wire & Boot
    GM343699Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the spark plug wire at each spark plug.
    • Twist each spark plug wire 1/2 turn.
    • Pull only on the boot in order to remove the wire from each spark plug.
  4. Disconnect the spark plug wire from the ignition coil.
    • Twist each spark plug boot 1/2 turn.
    • Pull only on the boot in order to remove the wires from the ignition coil.