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Home >> Buick >> 2009 >> LaCrosse Super >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 5.3L - Introduction >> Repair Instructions >> Ignition Coil Replacement >> Removal Procedure
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Removal Procedure

NOTE: The following procedure shows the left side service procedure, the right side service procedure is similar.
    Fig 1: View Of Ignition Coil Main Electrical Connectors
    GM1551870Courtesy of GENERAL MOTORS CORP.
  1. Remove the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement .
  2. Remove the connector position assurance (CPA) retainer (3).
  3. Disconnect the ignition coil main electrical connector (4).
  4. Fig 2: View Of The Ignition Coil And Bracket Assembly
    GM1411963Courtesy of GENERAL MOTORS CORP.
  5. Remove the spark plug wire(s) (724) from the ignition coil(s), as necessary.
  6. Fig 3: View Of Bracket, Bolts, Coils & Wire Harness
    GM1402020Courtesy of GENERAL MOTORS CORP.
  7. Remove the ignition coil bolts (723), as necessary.
  8. Remove the ignition coil(s) (722), as necessary.