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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 2.4L) >> Repair Instructions - On Vehicle >> Engine Replacement (LUK) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Without Start/Stop) .
  2. Recover the refrigerant system. Refer to Refrigerant Recovery and Recharging .
  3. Drain the cooling system. Refer to Cooling System Draining and Filling (GE 47716) .
  4. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement .
  5. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (High Side) .
    6. Fig 1: Intake Manifold Cover
    GM2680577Courtesy of GENERAL MOTORS COMPANY
  6. Remove the intake manifold cover (1). Refer to Intake Manifold Cover Replacement .
    7. Fig 2: Air Cleaner Outlet Duct Assembly
    GM2680578Courtesy of GENERAL MOTORS COMPANY
  7. Remove the air cleaner outlet duct assembly (1). Refer to Air Cleaner Outlet Duct Replacement .
    8. Fig 3: Air Cleaner Assembly
    GM2680579Courtesy of GENERAL MOTORS COMPANY
  8. Remove the air cleaner assembly (1). Refer to Air Cleaner Assembly Replacement .
    9. Fig 4: Evaporative Emission (EVAP) Line Quick Connect Fitting
    GM2680585Courtesy of GENERAL MOTORS COMPANY
  9. Disconnect the evaporative emission (EVAP) line quick connect fitting (1) from the EVAP purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service .
    10. Fig 5: Clamp And Power Brake Booster Vacuum Pipe
    GM2280915Courtesy of GENERAL MOTORS COMPANY
  10. Release the clamp (1) and remove the power brake booster vacuum pipe (2) from the intake manifold vacuum port.
  11. Release the power brake booster vacuum pipe from the routing clips and remove the vacuum pipe.
    12. Fig 6: Fuel Feed Line
    GM2680587Courtesy of GENERAL MOTORS COMPANY
  12. Disconnect the fuel feed line (1). Refer to Metal Collar Quick Connect Fitting Service .
    13. Fig 7: Radiator Surge Tank Inlet Hose
    GM2680614Courtesy of GENERAL MOTORS COMPANY
  13. Remove the radiator surge tank inlet hose (1). Refer to Radiator Surge Tank Inlet Hose Replacement (LEA, LUK) .
    14. Fig 8: Radiator Inlet Hose
    GM2680616Courtesy of GENERAL MOTORS COMPANY
  14. Remove the radiator inlet hose (1). Refer to Radiator Inlet Hose Replacement (LEA) .
  15. Remove the radiator outlet hose. Refer to Radiator Outlet Hose Replacement (LTG) .
    16. Fig 9: Radiator Surge Tank
    GM2680618Courtesy of GENERAL MOTORS COMPANY
  16. Remove the radiator surge tank (1). Refer to Radiator Surge Tank Replacement (LUK) .
    17. Fig 10: Heater Inlet Hose
    GM2680620Courtesy of GENERAL MOTORS COMPANY
  17. Disconnect the heater inlet hose (1). Refer to Heater Inlet Hose Replacement (LUK) .
    18. Fig 11: Heater Outlet Hose
    GM2680621Courtesy of GENERAL MOTORS COMPANY
  18. Disconnect the heater outlet hose (1). Refer to Heater Outlet Hose Replacement (LEA) .
    19. Fig 12: Evaporator Outlet Hose And Nut
    GM2680622Courtesy of GENERAL MOTORS COMPANY
  19. Remove the A/C compressor hose to evaporator outlet hose nut (1).
  20. Disconnect the A/C compressor hose to evaporator outlet hose (2).
    21. Fig 13: Identifying Cooler Inlet & Outlet Hoses
    GM1998666Courtesy of GENERAL MOTORS COMPANY
  21. Remove the transmission fluid cooler inlet (1) and outlet (5) hoses from the retainer (2) on the control valve body cover.
  22. Remove the transmission fluid cooler inlet hose nut (3) from the transmission.
  23. Remove the transmission fluid cooler inlet hose (1) from the transmission.
  24. Remove the transmission fluid cooler outlet hose nut (4) from the transmission.
  25. Remove the transmission fluid cooler outlet hose (5) from the transmission.
  26. Plug and/or cap the hose and transmission to prevent contamination.
  27. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  28. Remove the front bumper fascia. Refer to Front Bumper Fascia Replacement .
  29. Remove the exhaust front pipe. Refer to Exhaust Front Pipe Replacement (LHU) .
    30. Fig 14: Frame Reinforcements Bracket And Bolts
    GM2680638Courtesy of GENERAL MOTORS COMPANY
  30. Remove the frame reinforcements bracket bolts (1) and (2).
  31. Remove the frame reinforcements bracket (3).
  32. Remove the starter. Refer to Starter Replacement (LEA, LUK) .
    33. Fig 15: Steering Linkage Outer Tie Rod Nut And Tie Rod
    GM2661285Courtesy of GENERAL MOTORS COMPANY
  33. Remove the steering linkage outer tie rod nut (1) and tie rod (2). Refer to Steering Linkage Outer Tie Rod Replacement .
    34. Fig 16: Stabilizer Link And Strut Nut
    GM2661287Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Do not allow the stabilizer link ball stud to rotate while removing the link nut.

  34. Remove the nut (1) and separate the stabilizer link from the strut assembly. Refer to Stabilizer Shaft Link Replacement .
    35. Fig 17: Steering Knuckle To Strut Bolts And Nuts
    GM2661289Courtesy of GENERAL MOTORS COMPANY
  35. Remove the steering knuckle to strut bolts (1) and nuts (2). Refer to Strut Assembly Removal and Installation .
    36. Fig 18: Identifying Starter Bolts
    GM2001293Courtesy of GENERAL MOTORS COMPANY
  36. Mark the relationship of the flywheel to the torque converter for reassembly.
  37. Remove the torque converter to flywheel bolt (1).
    38. Fig 19: Lower Transmission Bolts
    GM2661293Courtesy of GENERAL MOTORS COMPANY
  38. Remove the lower transmission bolts (1).
    39. NOTE:

    Blocks of wood can be used between the front of the frame and the oil pan to table in order to level the powertrain during the removal.

  39. Position a engine support table under the powertrain assembly.
    40. Fig 20: Frame Bolts
    GM2680644Courtesy of GENERAL MOTORS COMPANY
  40. Remove the frame bolts (1).
  41. Lower the vehicle on the engine support table.
    42. Fig 21: Transmission Mount Bolts
    GM2680646Courtesy of GENERAL MOTORS COMPANY
  42. Remove the transmission mount bolts (1).
    43. Fig 22: Engine Mount Bolts
    GM2680647Courtesy of GENERAL MOTORS COMPANY
  43. Remove the engine mount bolts (1).
  44. Disconnect electoral connector as necessary.
  45. Disconnect coolant hoses as necessary.
    46. NOTE:

    When lowering the engine/transaxle assembly, verify all brake lines, shiftier cables and other components are free during removal

  46. Lower the engine table and raise the body on the hoist until the engine/transaxle and cradle are free from the vehicle.
    47. Fig 23: Transmission Brace
    GM2661345Courtesy of GENERAL MOTORS COMPANY
  47. Remove the transmission brace (1).
    48. Fig 24: Lower Trans Bolts
    GM2661352Courtesy of GENERAL MOTORS COMPANY
  48. Remove the lower trans bolts (1).
    49. Fig 25: Upper Transmission Bolts
    GM2661358Courtesy of GENERAL MOTORS COMPANY
  49. Remove the upper transmission bolts (1).
  50. Separate the engine from the transmission.
  51. Install the engine to a suitable engine stand.
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