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Home >> Buick >> 2008 >> Allure CXL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Mechanical - 3.6L (3 Of 5)) >> ON-VEHICLE REPAIR INSTRUCTIONS (2 Of 2) >> Engine Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Install the engine mount brackets with the engine mounts.
  2. Use a floor crane in order to install the engine to the frame.
  3. Install the ECM with the ECM bracket. Refer to Engine Control Module Replacement .
  4. Install the water outlet. Refer to Water Outlet Removal .
  5. Install the block heater. Refer to Coolant Heater Replacement (LY7) .
  6. Install the flywheel. Refer to Engine Flywheel Installation .
  7. Install the intake manifold. Refer to Intake Manifold Installation .
  8. Install the crankshaft balancer. Refer to Crankshaft Balancer Installation .
  9. Install the right exhaust manifold. Refer to Exhaust Manifold Installation - Right Side .
  10. Install the oil filter adapter. Refer to Oil Filter Adapter Installation .
  11. Install the left exhaust manifold. Refer to Exhaust Manifold Installation - Left Side .
  12. Install the oil level indicator. Refer to Oil Level Indicator and Tube Installation .
  13. Install the generator and the generator bracket. Refer to Generator Replacement (LY7) .
  14. Install the power steering pump. Refer to Power Steering Pump Replacement (LY7) .
  15. Install the A/C compressor. Refer to Compressor Replacement (LY7) .
  16. Install the idler pulley. Refer to Drive Belt Idler Pulley Installation .
  17. Install the drive belt tensioner. Refer to Drive Belt Tensioner Installation and Drive Belt Replacement .
  18. Install the drive belts. Refer to Drive Belt Replacement .
  19. Install the transmission-to-engine and flywheel-to-torque convertor bolts. Refer to Transmission Replacement .
  20. Install the starter motor. Refer to Starter Motor Replacement (LY7) .
  21. Remove the EN 46114  from the engine. See Special Tools .
  22. Connect the radiator hoses to the water outlet housing and the coolant inlet pipe. Refer to Radiator Inlet Hose Replacement (LY7) and Radiator Outlet Hose Replacement (LY7) .
  23. Install the TOC pipes to the engine, radiator and the transmission. Refer to Automatic Transmission Oil Cooler Hose Replacement .
  24. Install the engine wiring harness and related components.
  25. Install the HO2S connectors.
  26. Install the thermostat housing with the heater pipes, heater hoses and surge tank outlet hose. Refer to Engine Coolant Thermostat Housing Replacement (LY7) .
  27. Install the catalytic converters with the oxygen sensors. Refer to Catalytic Converter Replacement .
    28. Fig 1: Identifying Fuel Feed Pipe & Fuel Rail
    GM1348201Courtesy of GENERAL MOTORS CORP.
  28. Remove the cap or plug from the fuel line.
  29. Install the fuel lines to the fuel rail and the EVAP purge solenoid. Refer to Metal Collar Quick Connect Fitting Service .
  30. Install the purge line (3) to the purge solenoid.
  31. Connect the ECM electrical connector. Refer to Engine Control Module Replacement .
    32. IMPORTANT: Ensure that all the hoses, wires, pipes and shock modules clear the vehicle during the installation process.
  32. With the aid of an assistant, raise the table and/or lift the vehicle to install the engine, transmission, front frame and front suspension assembly to the vehicle.
    33. Fig 2: Identifying Frame Mounting Nuts
    GM785352Courtesy of GENERAL MOTORS CORP.
  33. Install the front frame bolts.
  34. Install the transmission support to underbody bolts. Refer to Transmission Brace Replacement .
  35. Remove the powertrain lift/support table.
    36. Fig 3: View Of Shock Module & Upper Mounting Bolts
    GM742957Courtesy of GENERAL MOTORS CORP.
  36. Install the right and left shock module upper mounting bolts. Refer to Strut Assembly Replacement .
  37. Connect the transmission shift linkage to the transmission. Refer to Range Selector Lever Cable Replacement .
  38. Install the intermediate steering shaft. Refer to Intermediate Steering Shaft Replacement .
  39. Install the front tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation .
  40. Install the front brake pipes and retainers to the underbody.
  41. Connect the rear brake pipes (two center pipes) to the BPMV. Refer to Electronic Brake Control Module Replacement .
  42. Connect the radiator side air baffles to the radiator.
  43. Install the air deflector.
    44. Fig 4: Identifying Master Cylinder Assembly
    GM420706Courtesy of GENERAL MOTORS CORP.
  44. Install the master cylinder.
  45. Connect the engine harness electrical connector at the frame.
    46. Fig 5: View Of Ground Bolt & Wire
    GM1348282Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  46. Install the ground wire and bolt to the frame.

    Tighten:  Tighten the engine harness ground wire to longitudinal rail bolt to 10 N.m (89 lb in).

  47. Connect the wiring harness to the TCM. Refer to Transmission Control Module Replacement (3.8L) or Transmission Control Module Replacement (3.6L) .
  48. Connect the engine module wiring harness connectors.
  49. Connect and lock the I/P electrical connector.
  50. Connect the mass air flow sensor electrical connector.
  51. Connect the brake fluid level switch electrical connector from the master cylinder.
    52. Fig 6: View Of Vacuum Check Valve & Brake Booster
    GM923830Courtesy of GENERAL MOTORS CORP.
  52. Connect the brake booster vacuum hose (1) to the brake booster (2).
    53. Fig 7: Identifying Fuel Feed Pipe & Fuel Rail
    GM1348201Courtesy of GENERAL MOTORS CORP.
  53. Connect the purge line (3) to the purge solenoid.
  54. Connect the fuel pipe (2) to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
  55. Connect the heater hoses to the heater core. Refer to Heater Inlet Hose Replacement (LY7) and Heater Outlet Hose Replacement (LY7) .
  56. Connect the overflow hose to the coolant overflow tank.
  57. Connect the air conditioning pressure switch electrical connector and the liquid line to the evaporator.
  58. Connect the air conditioning suction hose to the evaporator and install the suction hose bracket to the shock tower.
  59. Install the air cleaner duct. Refer to Air Cleaner Inlet Duct Replacement .
  60. Install the battery. Refer to Battery Replacement (LY7) .
  61. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
    62. Fig 8: View Of Battery Positive & Negative Cables
    GM772424Courtesy of GENERAL MOTORS CORP.
  62. Connect the battery positive cable to the battery and the underhood electrical center. Refer to Battery Positive Cable Replacement (LY7) .
  63. Connect the battery negative cable from the battery and the body. Refer to Battery Negative Cable Replacement (LY7) .
    64. Fig 9: Identifying J 42640
    GM333146Courtesy of GENERAL MOTORS CORP.
  64. Remove the J 42640  from the steering column. See Special Tools .
  65. Fill the cooling system. Refer to Cooling System Draining and Filling (L26, LY7 GE 47716 Fill) or Cooling System Draining and Filling (LY7 Static Fill) .
  66. Charge the air conditioning system. Refer to Refrigerant Recovery and Recharging .
  67. Bleed the brake system. Refer to Antilock Brake System Automated Bleed Procedure .
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