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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 (Engine Mechanical - 2.0L (LTG) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Turbocharger Replacement >> 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.
CAUTION:

If a turbocharger has failed, clean any turbocharger debris or excessive oil from the charge air cooler system before installing the new turbocharger. Failure to clean debris from the charge air cooler system will cause severe turbocharger and engine damage upon startup.

  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  2. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement (LCV)Air Cleaner Outlet Duct Replacement (LTG) .
  3. Drain the coolant system. Refer to Cooling System Draining and Filling (Static)Cooling System Draining and Filling (GE 47716) .
    4. Fig 1: Turbocharger Heat Shield
    GM2874428Courtesy of GENERAL MOTORS COMPANY
  4. Remove the turbocharger heat shield (1). Refer to Turbocharger Heat Shield Replacement .
  5. Remove the catalytic converter. Refer to Catalytic Converter Replacement (LCV)Catalytic Converter Replacement (LTG) .
  6. Remove the charger air cooler inlet air tube. Refer to Charge Air Cooler Inlet Air Tube Replacement (LTG) .
    7. Fig 2: Turbocharger Coolant Return Pipe Bolt And Gasket
    GM2877015Courtesy of GENERAL MOTORS COMPANY
  7. Remove the turbocharger coolant return pipe bolts (1) and DISCARD gasket (2).
    8. Fig 3: PCV Hose And Fitting Bolt
    GM2845924Courtesy of GENERAL MOTORS COMPANY
  8. Remove the PCV bolt (2) and hose (1).
    9. Fig 4: Turbocharger Oil Feed Pipe Bolt And Gasket
    GM2874432Courtesy of GENERAL MOTORS COMPANY
  9. Remove the turbocharger oil feed pipe bolts (1) and DISCARD gasket (2).
    10. Fig 5: Turbocharger Coolant Return Pipe Bolt And Gasket
    GM2874433Courtesy of GENERAL MOTORS COMPANY
  10. Remove the turbocharger coolant return pipe bolts (1) and DISCARD gasket (2).
  11. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (ATS) .
    12. Fig 6: Turbocharger Oil Return Pipe Bolts
    GM2874434Courtesy of GENERAL MOTORS COMPANY
  12. Remove the turbocharger oil return pipe bolts (1).
  13. Lower the vehicle.
  14. Disconnect the electrical connectors at the turbocharger.
    15. Fig 7: Turbocharger Components
    GM2769468Courtesy of GENERAL MOTORS COMPANY
  15. Remove the turbocharger nuts (2) and discard.
  16. Remove the turbocharger (1).
  17. Remove the turbocharger gasket (3) and discard.
  18. For turbocharger cleaning and inspection. Refer to Turbocharger Cleaning and Inspection .
  19. If replacing the turbocharger, transfer any necessary components.
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