LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2005 >> DeVille Protection Series >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Introduction >> Repair Instructions >> Ignition Coil(s) Replacement - Bank 1 >> Removal Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal Procedure

    Fig 1: View Of Ignition Coils
    GM1283865Courtesy of GENERAL MOTORS CORP.
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical.
  2. Remove the ignition coil cover from the cam cover by lifting straight up, if equipped.
  3. Disconnect the secondary air injection (AIR) vent solenoid electrical connector, if necessary, to gain access to the individual coil being serviced.
  4. Remove the AIR check valve, if necessary, to gain access to the individual coil being serviced. Refer to Secondary Air Injection (AIR) Shut-Off Valve Replacement - Bank 1 .
  5. Disconnect the ignition coil wiring harness electrical connector from the coil that needs to be replaced.
  6. Remove the ignition coil retaining bolt.
  7. Carefully remove the ignition coil.
    8. Fig 2: View Of Engine Wiring Harness & Right Ignition Coil Harness
    GM927822Courtesy of GENERAL MOTORS CORP.
  8. If removal of all the coils are necessary, disconnect the main coil wiring harness at the cam cover.
    9. Fig 3: View Of Ignition Coils
    GM928257Courtesy of GENERAL MOTORS CORP.
  9. Remove the coil assembly retaining bolts and studs.
  10. Carefully remove the ignition coil assembly.
scientia non olet · About LEMON Manuals