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Home >> Buick >> 2019 >> Regal TourX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 143 (Engine Mechanical - 3.6L (LGX) - Repair Instructions) >> Repair Instructions >> Engine Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection (3.6L LGX)
  2. GM4286462Courtesy of GENERAL MOTORS COMPANY

    Intermediate Steering Shaft (2) @ Steering Gear - Separate - Intermediate Steering Shaft Replacement

  3. Recover the refrigerant. Refrigerant Recovery and Recharging (R-1234yf)
  4. Drain the cooling system. Cooling System Draining and Filling
  5. Air Cleaner Assembly - Remove - Air Cleaner Assembly Replacement
  6. GM4739803Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Range Selector Lever Cable Bolt (1) - Remove

  7. Transmission Range Selector Lever Cable (3) @ Transmission Range Selector Lever (2) - Disconnect
  8. GM4629295Courtesy of GENERAL MOTORS COMPANY

    Radiator Surge Tank - Remove - Radiator Surge Tank Replacement

  9. GM4420258Courtesy of GENERAL MOTORS COMPANY

    Power Brake Booster Vacuum Pipe (1) @ Power Brake Booster - Disconnect - Plastic Collar Quick Connect Fitting Service

  10. GM4427207Courtesy of GENERAL MOTORS COMPANY

    Heater Inlet Hose (2) @ Heater Core Tube - Disconnect - Heater Inlet Hose Replacement (3.6L LGX)

  11. GM4427032Courtesy of GENERAL MOTORS COMPANY

    Heater Outlet Hose (2) @ Heater Core Tube - Disconnect - Heater Outlet Hose Replacement (3.6L LGX)

  12. GM4448959Courtesy of GENERAL MOTORS COMPANY

    Radiator Inlet Hose (2) - Remove - Radiator Inlet Hose Replacement (3.6L LGX)

  13. Radiator Outlet Hose - Remove - Radiator Outlet Hose Replacement (3.6L LGX without Engine Oil Cooler) , or Radiator Outlet Hose Replacement (3.6L LGX with Engine Oil Cooler)
  14. GM4641160Courtesy of GENERAL MOTORS COMPANY

    Air Conditioning Compressor and Condenser Hose (2) @ Air Conditioning Compressor - Remove - Air Conditioning Compressor Hose Replacement

  15. Remove the front tire and wheel assemblies. Tire and Wheel Removal and Installation
  16. Front Wheelhouse Liner-Both Sides - Remove - Front Wheelhouse Liner Replacement (LGX)
  17. Three-Way Catalytic Converter-Both Sides - Three-Way Catalytic Converter Replacement (Bank 1) , or Three-Way Catalytic Converter Replacement (Bank 2)
  18. Power Transfer Unit Case - Remove - Power Transfer Unit Case Replacement
  19. GM4455638Courtesy of GENERAL MOTORS COMPANY

    Fuel Feed Pipe (1) @ Fuel Rail - Disconnect - Metal Collar Quick Connect Fitting Service

  20. Fuel Feed Pipe (1) @ Retainer - Remove
  21. GM4455642Courtesy of GENERAL MOTORS COMPANY

    Evaporative Emission Front Pipe (1) @ Evaporative Emission Canister Purge Solenoid Valve - Disconnect - Plastic Collar Quick Connect Fitting Service

  22. Evaporative Emission Front Pipe (1) @ Retainer - Remove
  23. GM4704515Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Inlet Pipe Bolt (1) - Remove

  24. GM4704505Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Inlet Pipe (1) @ Transmission - Remove - Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection

  25. GM4702860Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Outlet Pipe (1) @ Transmission - Unclip

  26. GM4702855Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Outlet Pipe Nut (1) - Remove

  27. Transmission Fluid Cooler Outlet Pipe (2) @ Transmission - Remove
  28. Remove and DISCARD the sealing washer. (3)
  29. Cover or plug all open transmission fluid cooler pipe connection points to help avoid any accidental contamination.
  30. Starter - Remove - Starter Replacement (3.6L LGX)
  31. Mark the relationship of the flywheel to the torque converter for reassembly.
  32. GM4237278Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Rotate engine clockwise using the crankshaft balancer bolt to gain access to each bolt.

    Torque Converter Bolt (1) - Remove and DISCARD [6x]

  33. Front Wheel Drive Half Shaft @ Front Wheel Bearing and Hub Assembly - Separate - Front Wheel Drive Half Shaft Replacement - Left Side
  34. Disconnect and reposition harnesses as required.
  35. GM4290118Courtesy of GENERAL MOTORS COMPANY

    { If equipped }Front Suspension Automatic Forward Lighting Position Sensor (1) @ Front Lower Control Arm - Separate

  36. GM4279790Courtesy of GENERAL MOTORS COMPANY

    Steering Linkage Outer Tie Rod (3) @ Steering Knuckle - Separate - Steering Linkage Outer Tie Rod Replacement

  37. GM4279792Courtesy of GENERAL MOTORS COMPANY

    Stabilizer Shaft Link (2) @ Stabilizer Shaft - Separate - Stabilizer Shaft Link Replacement

  38. GM4531909Courtesy of GENERAL MOTORS COMPANY

    Disconnect the electrical connector on the steering gear and disconnect the wiring harness clip from the steering gear housing. (1)

  39. GM4355046Courtesy of GENERAL MOTORS COMPANY

    Front Compartment Splash Shield (4) - Remove - Front Compartment Splash Shield Replacement

  40. GM4237702Courtesy of GENERAL MOTORS COMPANY

    Drivetrain and Front Suspension Cradle - Install the special tool: EN-48244  Engine Assembly Remove/Install Pallet Supporter

  41. Lower the vehicle until the drivetrain and front suspension frame is resting lightly on the support table.
  42. Drivetrain and Front Suspension Support Bolt (1) - Remove [4x]
  43. Drivetrain and Front Suspension Support Bolt (2) - Remove and DISCARD the bolts. [8x]
  44. GM4446547Courtesy of GENERAL MOTORS COMPANY

    Engine Mount Fastener (1) - Remove and DISCARD [3x] - Engine Mount Replacement - Right Side 

  45. GM4218708Courtesy of GENERAL MOTORS COMPANY

    Transmission Mount Bolt (2) - Remove [4x]

  46. With the aid of an assistant, carefully raise the body from the frame.
  47. Ensure when raising the body the following items are clear from the frame:
    • Vacuum lines
    • Steering knuckles
    • Electrical wiring harnesses
  48. Remove the drivetrain and front suspension frame.
  49. GM4441010Courtesy of GENERAL MOTORS COMPANY

    Transmission Front Mount (3) - Remove - Transmission Front Mount Replacement

  50. GM4439255Courtesy of GENERAL MOTORS COMPANY

    Transmission Rear Mount (3) - Remove - Transmission Rear Mount Replacement (3.6L LGX)

  51. Lift the powertrain assembly off the frame and place on the floor.
  52. Engine @ Transmission - Separate - Transmission Replacement (3.6L LGX)