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Home >> Cadillac >> 2010 >> STS 3.6 V, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Mechanical - 4.6L (LH2) - Repair Instructions - On Vehicle - 2 Of 2) >> Engine Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Install the engine to the front frame.
  2. Ensure that all the hoses, wires, pipes and shock modules are positioned out of the way to avoid contact during engine installation.
  3. With the aid of an assistant, raise the table and/or lower the vehicle to install the engine, front frame, fuel/brake bundle and front suspension.
    4. CAUTION: Refer to Fastener Caution .
  4. Install the frame bolts and tighten to 191 N.m (141 lb ft).
  5. Install the right and left upper shock modules bolts and tighten to 112 N.m (83 lb ft).
  6. If the vehicle is equipped with Magnaride, connect the shock module electrical connectors.
  7. Connect the heater inlet hose to the water housing.
  8. Connect the heater outlet hose to the outlet pipe.
  9. Raise the vehicle.
  10. Install the fuel and brake line bundle bracket to the right side wheelhouse and tighten to 9 N.m (80 lb in).
  11. Install the fuel filter bracket bolt and tighten 9 N.m (80 lb in).
  12. Install the fuel and brake line to the bundle brackets, the length of the vehicle.
  13. Install the rear brake line to the bracket bolt above the rear axle assembly and tighten to 9 N.m (80 lb in).
  14. Connect the EVAP hose to the rear of the fuel filter.
  15. Connect the fuel line to the fuel filter.
  16. Install the brake lines to the bundle clips on the right and left frame rails.
  17. Install the transmission assembly. Refer to Transmission Replacement (6L50 All Wheel Drive) or Transmission Replacement (6L50 Rear Wheel Drive) or Transmission Replacement (6L80) .
  18. Install the transfer case, if equipped. Refer to Transfer Case Assembly Replacement .
  19. Install the powers steering oil cooler to the mounting bracket. Refer to Power Steering Fluid Cooler Replacement (LH2 or LY7 with V92) .
  20. Lower the vehicle.
  21. Install the radiator, condenser and transmission oil cooler as an assembly. Refer to Radiator Replacement (LH2 Heavy Duty Cooling) or Radiator Replacement (LH2 without V03) and Air Conditioning Condenser Replacement (Standard Cooling) or Air Conditioning Condenser Replacement (Heavy Duty Cooling) .
  22. Raise the vehicle.
  23. Install the bolt that secures the power steering to the radiator and tighten to 9 N.m (80 lb in).
    24. Fig 1: Steering Column Intermediate Shafts
    GM1198603Courtesy of GENERAL MOTORS CORP.
  24. Connect the center intermediate shaft to the lower intermediate shaft and tighten to 30 N.m (23 lb ft).
  25. Install the bolt (3) that secures 2 shafts.
  26. Working through the left wheelhouse, connect the transmission oil cooler lines near the air conditioning compressor.
  27. Working through the right hand wheelhouse, install the bolt which secures the washer fluid reservoir to the front frame brace and tighten to 6 N.m (53 lb in).
  28. Install the right and left front wheelhouse liners. Refer to Front Wheelhouse Liner Replacement .
  29. Install the right and left wheelhouse splash shields. Refer to Engine Splash Shield Replacement .
  30. Install the right and left front tire assemblies. Refer to Tire and Wheel Removal and Installation .
  31. Lower the vehicle.
  32. Install the cooling fan. Refer to the appropriate procedure:
  33. Connect the electrical connector C113 at the right hand frame rail. Refer to Underhood Electrical Center or Junction Block Replacement .
  34. Connect the electrical connector C5 to the underhood bussed electrical center. Refer to Underhood Electrical Center or Junction Block Replacement .
  35. Connect the chassis electrical connector located at the top of the right hand shock tower.
  36. Install the positive battery cable to the underhood bussed electrical center and tighten to 15 N.m (11 lb ft).
  37. Install the negative battery cable retainer and bolt to the right hand shock tower and tighten to 36 N.m (27 lb ft).
  38. Install the underhood electrical center cover.
  39. Connect the underhood fuse block connector C5.
  40. Connect the front of the dash electrical connector C102. Refer to Harness Routing Views .
  41. Install the fuel line retainer located on the bracket attached to the heater lines on the front of the dash.
  42. Install the brake master cylinder and tighten to 25 N.m (18 lb ft).
  43. Connect the brake fluid level switch.
  44. Connect the brake booster vacuum line to the brake booster.
  45. Install the air conditioning liquid line to the condenser. Refer to Air Conditioning Condenser and Air Conditioning Evaporator Tube Replacement (LH2) .
    46. Fig 2: Suction Hose Retaining Feature
    GM840242Courtesy of GENERAL MOTORS CORP.
  46. Install the air conditioning suction hose located at the top of the left hand shock tower. Refer to Air Conditioning Compressor Hose Replacement (LH2) .
  47. Install the air conditioning liquid and suction lines to the retaining feature (1) on the fan shroud.
  48. Connect the coolant surge tank hose to the radiator.
    49. Fig 3: Air Cleaner Assembly
    GM1201221Courtesy of GENERAL MOTORS CORP.
  49. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  50. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
  51. Install the cross vehicle brace. Refer to Cross Vehicle Brace Replacement .
  52. Install the positive battery cable. Refer to Battery Positive Cable Replacement (LH2 With Top Post) or Battery Positive Cable Replacement (LH2 With Side Post) .
  53. Install the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (LHD With Top Post) or Battery Negative Cable Disconnection and Connection (Side Post) .
  54. Remove J 42640  .
  55. Fill the engine with engine oil. Refer to Engine Oil and Oil Filter Replacement .
  56. Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill) or Cooling System Draining and Filling (GE 47716) .
  57. Recharge the air conditioning system. Refer to Refrigerant Recovery and Recharging .
  58. Bleed the brake system. Refer to Hydraulic Brake System Bleeding (Pressure) or Hydraulic Brake System Bleeding (Manual) .
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