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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 (LEA) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Transaxle And Transaxle Mounting Bolts
    GM2273180Courtesy of GENERAL MOTORS COMPANY
  1. Install a suitable lifting device to the engine.
  2. Using the lifting device, position and install the engine to the transaxle (1).
    3. CAUTION:

    Refer to Fastener Caution .

  3. Install the transaxle bolts (2) to the engine and tighten to 75 N.m (55 lb ft).
    4. Fig 2: Torque Converter To Flexplate Bolts
    GM1847524Courtesy of GENERAL MOTORS COMPANY
  4. Install the torque converter to flexplate bolts (1) and tighten to 60 N.m (44 lb ft).
  5. Remove the engine lifting device.
    6. Fig 3: Identifying Starter Motor Bolts & Starter
    GM1814106Courtesy of GENERAL MOTORS COMPANY
  6. Install the starter motor and bolts and tighten to 53 N.m (39 lb ft).
  7. Connect the engine wiring harness electrical connectors as necessary.
    8. Fig 4: Raising Powertrain Assembly Into Position
    GM952078Courtesy of GENERAL MOTORS COMPANY
  8. Position the powertrain and support table under the vehicle.
  9. Raise the powertrain into position under the vehicle.
  10. With the table positioned, if required, lower the vehicle over the powertrain.
  11. Align the lower radiator pins with the frame. Ensure all hoses and electrical harnesses are correctly routed and free from the loading path of the powertrain.
  12. Install the NEW frame to body bolts and tighten to 155 N.m (114 lb ft).
  13. Lower the vehicle.
    14. Fig 5: Transaxle Mount To Transaxle Bolts
    GM1892101Courtesy of GENERAL MOTORS COMPANY
  14. Install the transaxle mount to transaxle bolts and tighten to 55 N.m (41 lb ft).
    15. Fig 6: Engine Mount To Bracket Bolts
    GM1890869Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The engine mount to bracket bolts must be hand started. Do not pry the engine mount to align the holes.

  15. Install the engine mount to bracket bolts (1) and tighten to 50 N.m (37 lb ft).
  16. Raise and support the vehicle.
  17. Install the wheel drive shafts.
    18. Fig 7: View Of Tie Rod, Knuckle & Tapered Ball Stud
    GM891579Courtesy of GENERAL MOTORS COMPANY
  18. Connect the outer tie rods to the steering knuckles.
    19. Fig 8: View Of Intermediate Shaft To Steering Gear Pinch Bolt
    GM1829617Courtesy of GENERAL MOTORS COMPANY
  19. Position the intermediate shaft to the steering gear and install a NEW pinch bolt and tighten to 34 N.m (25 lb ft).
  20. Install the catalytic converter.
  21. Install the front wheelhouse panel.
  22. Install the front wheels and tires. Refer to Tire and Wheel Removal and Installation .
  23. Lower the vehicle.
    24. Fig 9: View Of Cooling Module Secured To Upper Body Structure
    GM857193Courtesy of GENERAL MOTORS COMPANY
  24. Unsecure and position the radiator/condenser/fan assembly.
    25. Fig 10: Transaxle Shift Cable And Range Select Lever
    GM1834362Courtesy of GENERAL MOTORS COMPANY
  25. Install the shift control cable to the shift control cable bracket and engage the shift control cable retaining clip.
  26. Install the transaxle shift cable to the range select lever.
  27. Raise and support the vehicle.
  28. Connect the generator electrical connectors.
  29. Install the positive battery cable to the starter motor, tighten to 9 N.m (80 lb in)
    30. Fig 11: Compressor Bolts
    GM1811970Courtesy of GENERAL MOTORS COMPANY
  30. Position the A/C compressor and install the bolts and tighten to 50 N.m (37 lb ft).
  31. Connect the engine wiring harness electrical connector to the A/C compressor.
  32. Lower the vehicle.
  33. Install the coolant recovery reservoir/heater inlet hose to the thermostat housing.
  34. Install the heater inlet hose to the thermostat housing.
  35. Install the radiator inlet hose from the cylinder head.
  36. Install the radiator outlet hose. Refer to Radiator Outlet Hose Replacement (LTG) .
  37. Position and install the coolant recovery inlet hose to the cylinder head.
  38. Install the coolant recovery inlet pipe clip to the fuel rail.
  39. Position and install the vacuum brake booster hose to the intake manifold.
  40. Install the battery tray. Refer to Battery Tray Replacement .
  41. Install the transaxle shift cable clip to the fuel line bracket.
  42. Install the fuel feed pipe clip to the fuel line bracket.
  43. Connect the EVAP line quick connect fitting to the EVAP purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service .
  44. Connect the fuel feed pipe quick connect fitting at the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
  45. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  46. Fill the transaxle with fluid. Refer to Transmission Fluid Level and Condition Check .
    47. NOTE:

    Prelube is necessary if the engine is replaced or overhauled.

  47. If the engine is replaced with a new engine or has been overhauled, perform the Engine Prelubing procedure. Refer to Engine Prelubing .
  48. If prelubing has not been performed, fill the engine with oil. Refer to Engine Oil and Oil Filter Replacement .
  49. Perform the CKP system variation learn procedure. Refer to Control Module References .
  50. Start the engine and allow the engine to run, inspect for leaks. Correct as necessary.
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