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Home >> Buick >> 2015 >> Verano Leather >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Mechanical - 2.0L (LHU)) >> Repair Instructions - On Vehicle >> Engine Replacement (Automatic Transmission) >> Installation Procedure

Installation Procedure

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  1. Remove the engine from the engine stand.
  2. Put the engine down on a wooden pallet.
    3. NOTE:

    Second technician required.

  3. Install the transmission and one transmission bolt.
  4. Install the 8 transmission bolts.
    5. CAUTION:

    Refer to Fastener Caution .

  5. Tighten the 9 transmission bolts. Refer to Transmission Replacement (2.0L LHU) .
    6. Fig 1: Flex Plate/Torque Converter Bolt
    GM2557040Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Service may offer bolts that are not microencapsulated. If this is the case apply thread lock agent to the bolts.

    If fasteners are microencapsulated, install NEW torque converter to flywheel bolts. DO NOT reuse the old bolts.

  6. Install 3 NEW flex plate to torque converter bolts (1) and tighten to 60 N.m (44 lb ft).
  7. Install the access cover on the transmission.
  8. Install the starter. Refer to Starter Replacement (2.0L LHU) .
  9. Connect the backup lamp switch.
  10. Place the engine transmission unit to the drivetrain and front suspension frame.
  11. Position blocks of wood below the oil pan and transmission to stabilize the powertrain on the support table.
    12. Fig 2: Automatic Transmission Mount Bracket Through Bolt
    GM2027404Courtesy of GENERAL MOTORS COMPANY
  12. Install the transmission bracket mount to mount through bolt (1) and tighten to 100 N.m (74 lb ft).
    13. Fig 3: Front Transmission Mount Through Bolt
    GM2027411Courtesy of GENERAL MOTORS COMPANY
  13. Install the transmission mount through bolt (1) and tighten to 100 N.m (74 lb ft).
  14. Remove the cable from the engine lift brackets.
  15. Install the transmission fluid cooler inlet pipe. Refer to Transmission Fluid Cooler Inlet Pipe Replacement (2.0L LHU) .
  16. Install the transmission fluid cooler outlet pipe. Refer to Transmission Fluid Cooler Outlet Pipe Replacement (2.0L LHU) .
  17. Install the charge air cooler outlet hose to the radiator. Refer to Charge Air Cooler Outlet Hose Replacement .
  18. Install the charge air cooler inlet hose to the radiator. Refer to Charge Air Cooler Inlet Hose Replacement (Turbocharger) .
  19. Install the radiator outlet hose to the radiator. Refer to Radiator Outlet Hose Replacement (2.0L LHU) .
  20. Install the radiator inlet hose to the radiator. Refer to Radiator Inlet Hose Replacement (2.0L LHU) .
  21. Install the intermediate drive shaft. Refer to Front Wheel Drive Intermediate Shaft Replacement .
  22. Position the engine, transmission, radiator assembly and drivetrain suspension frame under the vehicle.
  23. Slowly and carefully lower the vehicle, ensure the engine, transmission, radiator assembly and drivetrain suspension frame are free from wiring, hoses and other engine compartment components.
  24. Install the engine support fixture. Refer to Engine Support Fixture .
    25. NOTE:

    Use the engine support fixture to slightly raise the powertrain assembly to aid in the installation of the engine and transmission mount bolts.

  25. Raise the engine/transmission unit as needed.
    26. Fig 4: Frame Reinforcements & Bolts
    GM2028085Courtesy of GENERAL MOTORS COMPANY
  26. Install the frame reinforcements (4).
  27. Install frame rear bolts (2). Hand tighten ONLY.
  28. Install frame front bolts (3). Hand tighten ONLY.
    29. NOTE:

    Remind the location marks of the transmission mount bolts before tightening the bolts.

  29. Install the transmission mount - left side. Refer to Transmission Mount Replacement - Left Side .
    30. Fig 5: Engine Mount Bracket & Components
    GM2506243Courtesy of GENERAL MOTORS COMPANY
  30. Install the engine mount bracket (4).
  31. Install the 3 engine mount retaining bolts (3). Do not tighten the bolts yet.
  32. Install the 2 engine mount retaining bolts (2) and the retaining nut (1).
    1. Tighten the bolts (2) to 58 N.m (43 lb ft).
    2. Tighten the nut (1) to 62 N.m (46 lb ft).
      3. NOTE:

      Remind the location marks of the engine mount bolts before tightening the bolts.

    3. Align the engine transmission unit.
    4. Tighten the bolts (3) to 58 N.m (43 lb ft).
  33. Remove the engine support fixture. Refer to Engine Support Fixture .
  34. Install the right wheel drive shaft. Refer to Front Wheel Drive Shaft Replacement - Right Side .
  35. Install the left wheel drive shaft. Refer to Front Wheel Drive Shaft Replacement - Left Side .
  36. Install the left and right front lower control arm to the steering knuckles. Refer to Lower Control Arm Replacement .
  37. Install the left and right steering outer tie rod to the steering knuckles. Refer to Steering Linkage Outer Tie Rod Replacement .
  38. Install the left and right stabilizer shaft link to the strut assemblies. Refer to Stabilizer Shaft Link Replacement .
    39. Fig 6: Radiator Wiring Harness, Wheel Speed Sensor Wiring Harness And Retainers
    GM2028081Courtesy of GENERAL MOTORS COMPANY
  39. Install the wheel speed sensor wiring harness (2) to the frame on both sides.

    Install the wiring harness retainers (3) to the frame and the lower control arm.

  40. Install the heater inlet hose. Refer to Heater Inlet Hose Replacement (2.0L LHU) .
  41. Install the heater outlet hose. Refer to Heater Outlet Hose Replacement (2.0L LHU) .
  42. Install the catalytic converter. Refer to Catalytic Converter Replacement (2.0L LHU) .
    43. Fig 7: Frame Reinforcements & Bolts
    GM2028085Courtesy of GENERAL MOTORS COMPANY
  43. Tighten the rear frame bolts (2) and tighten to 160 N.m (118 lb ft).
  44. Tighten the drivetrain and front suspension frame bolts (1) and tighten to 160 N.m (118 lb ft).
    45. Fig 8: Wiring Harness Plugs
    GM2027866Courtesy of GENERAL MOTORS COMPANY
  45. Connect the 2 wiring harness plugs (1, 2).
    46. Fig 9: Wiring Harnesses And Ground Nuts
    GM2027867Courtesy of GENERAL MOTORS COMPANY
  46. Install the 4 wiring harness (2).
  47. Install the 3 ground nuts (1) and tighten to 9 N.m (80 lb in).
    48. Fig 10: Wiring Harnesses & Plugs
    GM2027872Courtesy of GENERAL MOTORS COMPANY
  48. Clip in the 3 wiring harness plugs (3).
  49. Connect the wiring harness plug to the front compartment fuse block.
    50. Fig 11: Front Compartment Fuse Block & Bolts
    GM2027871Courtesy of GENERAL MOTORS COMPANY
  50. Install the front compartment fuse block (2).
  51. Install the 3 front compartment fuse block bolts (1) and tighten to 22 N.m (16 lb ft).
    52. Fig 12: Front Compartment Fuse Block Cover
    GM2027870Courtesy of GENERAL MOTORS COMPANY
  52. Install the front compartment fuse block cover (1).
  53. Install the battery tray. Refer to Battery Tray Replacement .
    54. Fig 13: A/C Compressor/Condenser Hose Nut & Refrigerant Hose
    GM2027259Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Use a NEW seal ring

  54. Install A/C compressor and condenser hose nut (1) to refrigerant hose (2) and tighten to 19 N.m (14 lb ft).
    55. Fig 14: ECM, EVAP Line, Fuel Feed Line & Vacuum Line Components
    GM2871797Courtesy of GENERAL MOTORS COMPANY
  55. Connect the fuel feed line at the connector (2), clip into the bracket (1). Refer to Metal Collar Quick Connect Fitting Service .
  56. Connect the EVAP line at the connector (3), clip into the bracket (1). Refer to Plastic Collar Quick Connect Fitting Service .
  57. Connect the vacuum line to the vacuum pump at the connector (4). Refer to Plastic Collar Quick Connect Fitting Service .
  58. Install the radiator surge tank (5). Refer to Radiator Surge Tank Replacement .
  59. Install the ECM (6). Refer to Engine Control Module Replacement .
  60. Install the vacuum pipe (7).
  61. Install the front bumper fascia. Refer to Front Bumper Fascia Replacement .
  62. Lower and unsupport the vehicle.
  63. Install the lower intermediate shaft bolt. Refer to Intermediate Steering Shaft Replacement .
  64. Connect the electronic power steering connectors to the electronic power steering assembly. Refer to FEP Connectors (Steering Gear) .
  65. Install the air cleaner outlet rear duct. Refer to Air Cleaner Outlet Rear Duct Replacement .
  66. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  67. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  68. Evacuate and charge the refrigerant system. Refer to Refrigerant Recovery and Recharging .
  69. Fill the transmission. Refer to Transmission Fluid Drain and Fill .
  70. Fill the engine cooling system. Refer to Cooling System Draining and Filling (2.0L LHU) .
  71. Install the engine sight shield. Refer to Engine Sight Shield Replacement .
  72. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
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