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Home >> Chevrolet >> 2011 >> Impala LTZ >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 3.9L - Repair Instructions >> Repair Instructions >> Ignition Coil Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: View Of MAP Sensor Electrical Connector
    GM1608869Courtesy of GENERAL MOTORS CORP.
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  2. Disconnect the manifold absolute pressure (MAP) sensor electrical connector (1).
  3. Disconnect the ignition coil electrical connector (6).
    4. Fig 2: View Of Left Side Spark Plug Wires
    GM1608802Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the left side spark plug wires from the ignition coil.
    5. Fig 3: Right Side Spark Plug Wires & Ignition Coil
    GM1608803Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the right side spark plug wires from the ignition coil.
    6. Fig 4: Ignition Coil Bracket
    GM1646089Courtesy of GENERAL MOTORS CORP.
  6. Remove the ignition coil bolts/nuts.
  7. Remove the ignition coil.
  8. Remove the ignition coil studs, if necessary.
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