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Home >> Chevrolet >> 2004 >> Impala Base, 3.4 E >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System 3.4L (Introduction) >> Repair Instructions >> Ignition Control Module Replacement >> Installation Procedure
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Installation Procedure

  1. Install the ICM to the module mounting bracket.
  2. Install the ignition coils (2) to the ICM (3).
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the ignition coil screws (1).

    Tighten:  Tighten the screws to 4.5 N.m (40 lb in).

    4. Fig 1: View Of Ignition Coil Module And Module Mounting Bracket
    GM12299Courtesy of GENERAL MOTORS CORP.
  4. Connect the spark plug wires as noted during the removal.
  5. Connect the ICM electrical connectors.
    6. Fig 2: View Of Spark Plug Wire Connections To Ignition Coils
    GM15977Courtesy of GENERAL MOTORS CORP.
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