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Home >> Chevrolet >> 2011 >> Caprice >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 6.0L - Repair Instructions >> Repair Instructions >> Ignition Coil Replacement >> Removal Procedure
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Removal Procedure

    WARNING:

    Refer to Battery Disconnect Warning .

  1. Disconnect the battery ground cable from the battery. Refer to Battery Negative Cable Disconnection and Connection (Primary) , Battery Negative Cable Disconnection and Connection (Auxiliary) .
  2. Remove the engine compartment fuel line. Refer to Fuel Line Replacement - Engine .
  3. If replacing the right side coils, remove the evaporative emission purge pipe. Refer to Evaporative Emission Line Replacement - Engine .
  4. Reposition the engine wire harness as necessary.
    5. Fig 1: Identifying Spark Plug Wires
    GM1950809Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the spark plug wires (1) from the ignition coils.
    6. Fig 2: Identifying Ignition Coil Assembly To Rocker Cover Retaining Bolts
    GM1950813Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the main ignition coil harness connector (1) from the ignition coil assembly.
  7. Remove the ignition coil assembly to rocker cover retaining bolts (2).
    8. Fig 3: Identifying Ignition Coil To Ignition Coil Wiring Harness Connectors
    GM1950818Courtesy of GENERAL MOTORS CORP.
  8. Remove the ignition coil assembly from the engine.
  9. Disconnect the ignition coil to ignition coil wiring harness connectors (1).
    10. Fig 4: Identifying Ignition Coil To Ignition Coil Assembly Retaining Bolts
    GM1950822Courtesy of GENERAL MOTORS CORP.
  10. Remove the ignition coil to ignition coil assembly retaining bolts (1).
  11. Remove the ignition coils from the ignition coil assembly.
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