LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 487 (Engine Mechanical - 5.3L, 6.0L, 6.2L - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Engine Replacement >> Installation Procedure

Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of J 41798
    GM309151Courtesy of GENERAL MOTORS COMPANY
  1. Install the J 41798  Engine Lift Bracket to the engine.
    2. CAUTION:

    Refer to Fastener Caution .

  2. Tighten the M8 engine lift bracket bolts to 25 N.m (18 lb ft).
  3. Tighten the M10 engine lift bracket bolts to 50 N.m (37 lb ft).
  4. Position and install the engine hoist to the J 41798  Engine Lift Bracket.
  5. Remove the engine from the engine stand.
  6. Remove the J 21366  Converter Holding Strap from the transmission.
  7. Install the engine to the vehicle.
  8. Align and install the engine to the transmission. Raise or lower the transmission as required using the floor jack.
  9. Once aligned and mated together completely lower and remove the engine hoist.
    10. Fig 2: View Of Engine Mount Bracket Bolts
    GM1701018Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Start with the middle bolt then either side bolt.

  10. For 2500 series vehicles with a 5.3L, 6.0L, or 6.2L engine, install the left and right engine mount to engine mount to frame bolts (1) and tighten to 65 (48 lb ft).
    11. Fig 3: View Of Engine Mount To Frame Bolts
    GM1701017Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Start with the middle bolt then either side bolt.

  11. For 1500 series vehicles with a 5.3L, 6.0L, or 6.2L engine, install the left and right engine mount to frame bolts (1) and tighten to 65 (48 lb ft).
    12. Fig 4: View Of Engine Mount To Frame Bolts
    GM1701016Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Start with the middle bolt then either side bolt.

  12. For 1500 series vehicles with a 4.8L engine, install the left and right engine mount to frame bolts (1) tighten to 65 (48 lb ft).
  13. Remove the floor jack from under the transmission.
  14. Raise the vehicle.
    15. Fig 5: View Of Transmission Bolts/Studs
    GM1701040Courtesy of GENERAL MOTORS COMPANY
  15. If equipped with the 6L80-E automatic transmission, install the transmission bolts/studs and tighten to 50 (37 lb ft).
    16. Fig 6: View Of Transmission Bolts/Studs
    GM1701039Courtesy of GENERAL MOTORS COMPANY
  16. If equipped with the 4L80-E automatic transmission, install the transmission bolts/studs and tighten to 50 (37 lb ft).
    17. Fig 7: View Of Transmission Bolts/Studs
    GM1701038Courtesy of GENERAL MOTORS COMPANY
  17. If equipped with the 4L60-E/4L70-E automatic transmission, install the transmission bolts/studs and tighten to 50 (37 lb ft).
    18. Fig 8: View Of Transfer Case Vent Hose Bracket & Nut
    GM1701049Courtesy of GENERAL MOTORS COMPANY
  18. Position the transfer case vent hose bracket and hose and install the bracket to the stud, if equipped.
  19. For the 4L60-E/4L70-E/6L80-E automatic transmission, install the transfer case vent hose bracket (2) nut to the stud, if equipped and tighten to 20 (15 lb ft).
  20. For the 4L80-E automatic transmission, install the transfer case vent hose bracket (1) nut to the stud, if equipped and tighten to 20 N.m (15 lb ft).
    21. Fig 9: View Of Fuel/Evaporative Emission Pipe & Bracket
    GM1701047Courtesy of GENERAL MOTORS COMPANY
  21. Position the fuel/EVAP pipe bracket and install the bracket to the stud. (typical installation shown).
  22. Install the fuel/EVAP pipe bracket nut to the transmission stud and tighten to 20 (15 lb ft).
    23. Fig 10: View Of Flywheel To Torque Converter Bolts
    GM1701022Courtesy of GENERAL MOTORS COMPANY
  23. Align the torque converter bolt holes to the flywheel bolt holes.
  24. Install the flywheel to torque converter bolts.
  25. For the 4L60-E/4L70-E/6L80-E automatic transmission, tighten the bolts to 63 (47 lb ft).
  26. For the 4L80-E automatic transmission, tighten the bolts to 60 (44 lb ft).
  27. Install the catalytic converter. Refer to Catalytic Converter Replacement (with Exhaust Clamp) , or Three-Way Catalytic Converter Replacement .
  28. Lower the vehicle.
    29. Fig 11: View Of J 41798
    GM309151Courtesy of GENERAL MOTORS COMPANY
  29. Remove the J 41798  Engine Lift Bracket from the cylinder heads.
  30. Install the ignition coil(s) and spark plug wire(s), as required. Refer to Ignition Coil Replacement .
    31. Fig 12: View Of Oil Level Indicator Tube & Seal
    GM396798Courtesy of GENERAL MOTORS COMPANY
  31. Install the transmission oil level indicator tube.
    32. Fig 13: View Of Transmission Oil Level Indicator Tube Nut
    GM1701027Courtesy of GENERAL MOTORS COMPANY
  32. Install the transmission oil level indicator tube nut (1) and tighten to 18 (13 lb ft).
    33. Fig 14: View Of Generator Bracket & Bolts
    GM310813Courtesy of GENERAL MOTORS COMPANY
  33. Position the generator bracket (with power steering pump) to the engine.
  34. Install the generator bracket bolts and tighten to 50 (37 lb ft).
    35. Fig 15: View Of Power Steering Pump-To-Engine Block Bolt
    GM1699607Courtesy of GENERAL MOTORS COMPANY
  35. Install the rear power steering pump-to-engine block bolt (1500 series shown, 2500 series similar) and tighten to 50 (37 lb ft).
  36. Raise the vehicle.
    37. Fig 16: View Of Coolant Heater Cord
    GM1699547Courtesy of GENERAL MOTORS COMPANY
  37. Connect the coolant heater cord to the coolant heater, if equipped.
    38. Fig 17: View Of Engine Wiring Harness Electrical Connector & Components
    GM1698087Courtesy of GENERAL MOTORS COMPANY
  38. Connect the engine harness electrical connector (1) to the CKP sensor.
  39. Connect the engine harness electrical connector (2) to the knock sensor.
  40. Connect the engine harness electrical connector (4) to the oil level sensor.
  41. Install the engine harness clip (3) to the transmission oil cooler line bracket.
  42. Install the starter motor. Refer to Starter Replacement .
    43. Fig 18: View Of Electrical Connectors
    GM1699539Courtesy of GENERAL MOTORS COMPANY
  43. Connect the engine harness electrical connector (1) to the A/C refrigerant pressure sensor.
    44. Fig 19: View Of Electrical Connector, Cable Channel Bolt & Pin
    GM1697734Courtesy of GENERAL MOTORS COMPANY
  44. Slide the channel pin (3) into the oil pan tab.
  45. Install the battery cable channel bolt (2) and tighten to 12 (106 lb in).
  46. Connect the engine harness electrical connector (1) to the CMP sensor wire harness.
    47. Fig 20: View Of Oil Cooler Line Clip & Bolt
    GM1698074Courtesy of GENERAL MOTORS COMPANY
  47. Position the transmission oil cooler line clip to the oil pan and install the bolt, if equipped and tighten to 9 (80 lb in).
    48. Fig 21: View Of Engine Harness Components
    GM1699536Courtesy of GENERAL MOTORS COMPANY
  48. Connect the engine harness electrical connector (4) to the knock sensor.
  49. Position the engine harness grounds (3) to the engine block.
  50. Install the engine harness ground stud (2) to the engine block and tighten to 16 (12 lb ft).
  51. Install the engine harness clip (1) to the ground stud.
  52. Lower the vehicle.
    53. Fig 22: View Of Battery Cable Terminals & Stud
    GM1699543Courtesy of GENERAL MOTORS COMPANY
  53. Position the negative battery cable terminal (2) and the engine harness ground (3) to the right cylinder head.
  54. Install the negative battery cable stud (1) to the right cylinder head and tighten to 25 (18 lb ft).
    55. Fig 23: View Of Engine Ground Strap & Bolt
    GM1699550Courtesy of GENERAL MOTORS COMPANY
  55. Position the engine ground strap to the cylinder head and cowl.
  56. Install the engine ground strap bolt to the rear of the left cylinder head and cowl and tighten to 16 (12 lb ft).
    57. Fig 24: View Of Engine Harness Electrical Connectors & Inlet Hose Clamp
    GM1697098Courtesy of GENERAL MOTORS COMPANY
  57. Connect the engine harness electrical connector (1) to the oil pressure sensor.
  58. Connect the engine harness electrical connector (2) to the lifter oil manifold.
  59. Install the heater hoses. Refer to Heater Inlet Hose Replacement (Non-HP2) , Heater Inlet Hose Replacement (Pump to Engine-HP2) , Heater Inlet Hose Replacement (Pump to Heater Core-HP2) , and Heater Outlet Hose Replacement (Non-HP2) .
    60. Fig 25: View Of Radiator Outlet Hose
    GM1699336Courtesy of GENERAL MOTORS COMPANY
  60. Install the radiator outlet hose to the water pump.
  61. Position the radiator outlet hose clamp at the water pump.
    62. Fig 26: View Of Radiator Vent Inlet Hose Clamp At Water Pump
    GM1696566Courtesy of GENERAL MOTORS COMPANY
  62. Install the radiator inlet hose to the water pump.
  63. Position the radiator inlet hose clamp (3) at the water pump.
    64. Fig 27: View Of Radiator Vent Inlet Hose & Clamps
    GM1699347Courtesy of GENERAL MOTORS COMPANY
  64. Position and install the radiator vent inlet hose (2) to the air bleed pipe.
  65. Position the radiator vent inlet hose clamp (1) at the air bleed pipe.
  66. Install the radiator vent inlet hose (2) to the radiator inlet hose clip (3).
  67. Position the generator battery jumper to the engine.
  68. Install the intake manifold. Refer to Intake Manifold Replacement (RPOs LC9, LMG, LY5, L76) , Intake Manifold Replacement (RPOs LY2, LY6) , Intake Manifold Replacement (Except RPOs LY2, LY6, LC9, LMG, LY5) .
    69. Fig 28: View Of Oil Pan Skid Plate & Bolts
    GM1698083Courtesy of GENERAL MOTORS COMPANY
  69. For 2500 series vehicles, install the oil pan skid plate and bolts, if equipped and tighten to 28 (21 lb ft).
    70. Fig 29: View Of Oil Pan Skid Plate & Bolts
    GM1698082Courtesy of GENERAL MOTORS COMPANY
  70. For 1500 series vehicles, install the oil pan skid plate and bolts, if equipped and tighten to 28 (21 lb ft).
    71. Fig 30: View Of Engine Shield & Bolts
    GM1696602Courtesy of GENERAL MOTORS COMPANY
  71. Install the engine shield and bolts and tighten to 20 (15 lb ft).
  72. Lower the vehicle.
  73. Install the front end upper tie bar. Refer to Front End Upper Tie Bar Replacement .
  74. Install the hood latch. Refer to Hood Primary and Secondary Latch Replacement .
  75. Remove the hood from the service position. Refer to Hood Service Positioning .
  76. Prelube the engine. Refer to Engine Prelubing .
  77. Perform the CKP system variation learn procedure. Refer to Crankshaft Position System Variation Learn .
    NOTE:

    After an overhaul the engine should be tested. Use the following procedure after the engine is installed in the vehicle.

    • Disable the ignition system.
    • Crank the engine several times. Listen for any unusual noises or evidence that parts are binding.
    • Enable the ignition system.
    • Start the engine and listen for unusual noises.
    • Check the vehicle oil pressure gauge or light and confirm that the engine has acceptable oil pressure.
    • Run the engine speed at about 1, 000 RPM until the engine has reached normal operating temperature.
    • Listen for sticking lifters or other unusual noises.
    • Inspect for fuel, oil and/or coolant leaks while the engine is running.
    • Perform a final inspection for the proper oil and coolant levels.
  78. Close the hood.
scientia non olet · About LEMON Manuals