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Home >> Cadillac >> 2010 >> DTS 4.6 9 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System & Fuel System - 4.6L - Repair Instructions - >> Repair Instructions >> Ignition Coil Replacement - Bank 1 >> Removal Procedure

Removal Procedure

    Fig 1: Locating Engine Harness Electrical Connectors
    GM1662118Courtesy of GENERAL MOTORS CORP.
  1. Remove both of the fuel injector sight shields. Refer to Fuel Injector Sight Shield Replacement .
  2. If servicing the ignition coil assembly, perform the following steps, if servicing an individual ignition coil proceed to step 7.
  3. Disconnect the engine harness electrical connector (4) from the ignition coil assembly.
  4. Fig 2: Fuel Injector Sight Shield Studs
    GM1672634Courtesy of GENERAL MOTORS CORP.
  5. Remove the fuel injector sight shield studs.
  6. Fig 3: Ignition Coil Assembly Bolts
    GM1672632Courtesy of GENERAL MOTORS CORP.
  7. Remove the ignition coil assembly bolts.
  8. Remove the ignition coil assembly.
  9. Fig 4: Identifying Ignition Coil, Electrical Connector & Bolt
    GM1672555Courtesy of GENERAL MOTORS CORP.
  10. Disconnect the individual ignition coil electrical connector (3), as required.
  11. Remove the individual ignition coil bolt (1), as required.
  12. Remove the ignition coil (2), as required.