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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 8.1L (Introduction) >> Repair Instructions >> Spark Plug Wire Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: View Of Spark Plug Wire
    GM843846Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the spark plug wire at the spark plug.
    • Twist the spark plug wire 1/2 turn.
    • Pull only on the boot in order to remove the wire from the spark plug.
  2. 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 wire from the ignition coil.
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