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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 >> Engine Replacement (LCV, LTG with Automatic Transmission and Rear Wheel Drive) >> Installation Procedure

Installation 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. Install the engine to the transmission. Refer to Transmission Replacement (M5N with LTG Engine)Transmission Replacement (M5T with LCV Engine)
  2. Place the powertrain and frame assembly on the engine support table.
  3. Secure the powertrain to the support table using straps and binders.
  4. With the aid of an assistant, carefully lower the body onto the powertrain assembly.
  5. Ensure when lowering the body the following items are clear from the frame:
    • Vacuum lines
    • Steering knuckles
    • Electrical wiring harnesses
  6. Install the drivetrain and front suspension frame with the powertrain attached. Refer to Drivetrain and Front Suspension Frame Removal and Installation (LGX, LTG) .
  7. Complete installation of the transmission. Refer to Transmission Replacement (M5N with LTG Engine)Transmission Replacement (M5T with LCV Engine)
  8. Connect the lever lock connector attached to the base of the ECM bracket.
  9. Install the ground cable nut at the right front inner core support and remove the cable.
  10. Connect the engine harness retainers at the right engine compartment frame rail and position the harness on the engine.
  11. Install the positive cable at the 100 amp pre-fuse base and position the cable on the engine.
  12. Connect the heater inlet hose at the heater core.
  13. Connect the heater outlet hose at the heater core.
  14. Connect the vacuum line at the brake booster.
  15. Connect the vacuum brake booster vacuum switch electrical connector.
  16. Install the ECM. Refer to Engine Control Module Replacement (LCV)Engine Control Module Replacement (LTG) .
  17. Install the front compartment fuse block housing. Refer to Front Compartment Fuse Block Housing Replacement (With Out KL9)Front Compartment Fuse Block Housing Replacement (With KL9) .
    18. Fig 1: Air Conditioning Compressor And Condenser Hose
    GM2837769Courtesy of GENERAL MOTORS COMPANY
  18. Connect the air conditioning compressor and condenser hose (1). Refer to Air Conditioning Compressor and Condenser Hose Replacement (LCV)Air Conditioning Compressor and Condenser Hose Replacement (LTG) .
  19. Connect the fuel feed hose to the engine. Refer to Fuel Feed Pipe Replacement (LCV)Fuel Feed Pipe Replacement (LTG)Fuel Feed Pipe Replacement (Chassis Fuel Feed Pipe to High Pressure Fuel Pump) .
  20. Install the radiator inlet hose. Refer to Radiator Inlet Hose Replacement (LTG) .
  21. Install the radiator outlet hose. Refer to Radiator Outlet Hose Replacement (LTG without V03)Radiator Outlet Hose Replacement (LTG with V03) .
    22. Fig 2: Radiator Surge Tank Inlet Hose
    GM2837685Courtesy of GENERAL MOTORS COMPANY
  22. Connect the radiator surge tank inlet hose (1) to the engine. Refer to Radiator Surge Tank Inlet Hose Replacement (LTG) .
    23. Fig 3: Air Cleaner Assembly & Outlet Duct
    GM2837360Courtesy of GENERAL MOTORS COMPANY
  23. Install the air cleaner outlet duct (2). Refer to Air Cleaner Outlet Duct Replacement (LCV)Air Cleaner Outlet Duct Replacement (LTG) .
  24. Install the air cleaner assembly (1). Refer to Air Cleaner Assembly Replacement (LTG)Air Cleaner Assembly Replacement (LCV) .
    25. Fig 4: Intake Manifold Cover
    GM2837357Courtesy of GENERAL MOTORS COMPANY
  25. Install the intake manifold cover (1). Refer to Intake Manifold Cover Replacement .
  26. Refill the cooling system. Refer to Cooling System Draining and Filling (Static)Cooling System Draining and Filling (GE 47716) .
    27. NOTE:

    Prelube is necessary if the engine is replaced or overhauled.

  27. If the engine is replaced with a new engine or has been overhauled, perform the Engine Prelubing procedure. Refer to Engine Prelubing .
  28. Recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging (R-134a)Refrigerant Recovery and Recharging (R-1234yf) .
  29. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  30. Perform the throttle learn procedure.
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