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Home >> Chevrolet >> 2005 >> Avalanche 2500 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 8.1L - Introduction >> Repair Instructions >> Ignition Coil(s) Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: View Of Spark Plug Wire
    GM470666Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the spark plug wire from the ignition coil.
    • Twist the spark plug boot 1/2 turn.
    • Pull only on the boot in order to remove the wire from the ignition coil.
  2. Disconnect the ignition coil electrical connector.
    3. Fig 2: Locating Ignition Coils
    GM470887Courtesy of GENERAL MOTORS CORP.
  3. Remove the ignition coil bolts.
  4. Remove the ignition coil.
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