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Home >> Hummer >> 2009 >> H3 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.7L - Introduction >> Repair Instructions >> Ignition Coil Replacement >> Removal Procedure
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Removal Procedure

  1. Remove the air cleaner resonator and outlet duct. Refer to Air Cleaner Resonator and Outlet Duct Replacement .
    2. Fig 1: View Of ECT Sensor, Fuel Injector, Ignition Coil & HO2S Engine Wiring Harness Electrical Connectors
    GM1350694Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the ignition coil connectors (3) from the ignition coils (4).
    3. Fig 2: View Of Ignition Control Module
    GM858168Courtesy of GENERAL MOTORS CORP.
  3. Remove the ignition coil bolts.
  4. Remove the ignition coils from the camshaft cover.
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