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Home >> GMC >> 2002 >> C3500 HD 8.1 G, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 8.1L >> Repair Instructions >> Ignition Coil(s) Replacement >> Removal Procedure
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Removal Procedure

  1. Disconnect the spark plug wires at the ignition coils. Refer to Spark Plug Wire Replacement .
  2. Disconnect the ignition coil harness connector.
  3. Remove the ignition coil mounting bolts.
  4. Remove the ignition coil.
    Fig 1: Ignition Coils
    G01598997Courtesy of GENERAL MOTORS CORP.
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