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Home >> Chevrolet >> 2015 >> SS Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 6.2L (LS3) - 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 .
  2. Remove the engine cover. Refer to Engine Cover Replacement .
  3. Disconnect the fuel injection fuel feed hose. Refer to Fuel Injection Fuel Feed Hose Replacement .
  4. Reposition the engine wire harness as necessary.
    5. Fig 1: Identifying Spark Plug Wires
    GM1950809Courtesy of GENERAL MOTORS COMPANY
  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 COMPANY
  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 COMPANY
  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 COMPANY
  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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