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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 166 (Engine Controls And Fuel - 3.6L (LGX LF4) - Repair Instructions) >> Repair Instructions >> Ignition Coil Replacement - Bank 2 (LF4) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the charge air cooler inlet pipe (left). Refer to Charge Air Cooler Inlet Pipe Replacement - Left Side .
  2. Fig 1: Vacuum Hose
    GM3576086Courtesy of GENERAL MOTORS COMPANY
  3. Disconnect and reposition the vacuum hose (1). Refer to Plastic Collar Quick Connect Fitting Service .
  4. Fig 2: Ignition Coils And Electrical Connectors
    GM3576198Courtesy of GENERAL MOTORS COMPANY
  5. Disconnect the engine wiring harness electrical connector(s) (1) from the ignition coil(s) (2).
  6. Fig 3: Ignition Coils And Bolts
    GM3541412Courtesy of GENERAL MOTORS COMPANY
  7. Remove the ignition coil bolt(s) (1).
  8. Remove the ignition coil(s) (2).