GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

J 36857 Engine Lift Bracket


    Object Number: 175681  Size: SH
  1. Drain the cooling sytem. Refer to Cooling System Draining and Filling in Engine Cooling.
  2. Evacuate the Air conditioning sytem. Refer to Refrigerant Recovery and Recharging in HVAC System-Manual.
  3. Remove the front battery from the vehicle. Refer to Battery Replacement in Engine Electrical.
  4. Disconnect the battery cables from the auxiliary battery. Refer to Battery Cable Replacement in Engine Electrical.
  5. Remove the engine cover from the vehicle. Refer to Engine Cover Replacement in Interior Trim.
  6. Remove the air intake duct from the vehicle.
  7. Remove the air cleaner from the vehicle. Refer to Air Cleaner Assembly Replacement in Engine Controls-6.5L.
  8. Remove the surge tank from the vehicle. Refer to Surge Tank (Diesel) Replacement in Engine Cooling.
  9. Remove the front bumper from the vehicle. Refer to Front Bumper Filler Replacement in Body Front End.
  10. Remove the grille assembly from the vehicle. Refer to Grille Replacement in Body Front End.
  11. Remove the auxiliary engine oil cooler from the vehicle. Refer to Auxiliary Engine Oil Cooler Replacement in Engine Cooling.
  12. Remove the A/C condenser from the vehicle. Refer to Condenser Replacement in HVAC Systems-Manual.
  13. Remove the radiator from the vehicle. Refer to Radiator Replacement in Engine Cooling.
  14. Remove the radiator support from the vehicle. Refer to Radiator Support Replacement in Body Front End.
  15. Remove the drive belt from the vehicle. Refer to Drive Belt Replacement .
  16. Remove the fan clutch from the water pump. Refer to Fan Clutch Replacement in Engine Cooling.
  17. Remove the radiator hoses from the engine assembly. Refer to Radiator Hose Replacement in Engine Cooling.
  18. Remove the engine oil fill tube. Refer to Oil Fill Tube Removal .
  19. Remove the engine oil level indicator and tube from the engine assembly. Refer to Oil Level Indicator and Tube Replacement .
  20. Remove the upper intake manifold from the engine block. Refer to Intake Manifold Replacement .
  21. Remove the engine wiring harness from the engine.
  22. Remove the lower intake manifold from the engine assembly. Refer to Intake Manifold Replacement .
  23. Remove the transmission oil level indicator from the engine assembly.
  24. Remove the ground wires from the engine assembly.
  25. Remove the turbocharger from the engine block. Refer to Turbocharger in Turbocharger.
  26. Remove the thermostat housing crossover from the engine assembly. Refer to Thermostat Housing Crossover Replacement in Engine Cooling.
  27. Remove the heater hoses from the vehicle. Refer to Heater Hoses Replacement in Engine Cooling.
  28. Remove the A/C compressor from the mounting bracket. Refer to Air Conditioning Compressor Replacement in HVAC Systems-Manual.
  29. Remove the auxiliary generator (if equipped ) from the mounting bracket. Refer to Auxiliary Generator Replacement in Engine Electrical.
  30. Remove the power steering pump from the mounting bracket. Refer to Power Steering Pump Replacement in Power Steering System.
  31. Remove the mounting bracket from the engine block.
  32. Remove the generator from the mounting bracket. Refer to Generator Replacement in Engine Electrical.
  33. Remove the vacuum lines to vacuum pump.
  34. Remove the mounting bracket from the engine block.
  35. Remove the exhaust manifolds (if needed). Refer to Exhaust Manifold Replacement .
  36. Remove the fuel injection pump from the engine block. Refer to Fuel Injection Pump Replacement in Engine Controls-6.5L.
  37. Raise the vehicle and support with safety stands.

  38. Object Number: 317722  Size: SH
  39. Disconnect the block heater electrical connector.
  40. Remove the starter from the engine block. Refer to Starter Motor Replacement in Engine Electrical.
  41. Remove the engine oil cooler lines from the engine block.
  42. Remove the transmission cooler lines from the retaining clips. Refer to Oil Cooler Hose/Pipe Replacement in Automatic Transmission-4L80E.
  43. Remove the flywheel inspection cover.
  44. Remove the bolts from the flywheel to the torque convertor.
  45. Remove the lower bolts from the transmission the engine block.
  46. Remove the nuts from the engine mount through bolts.
  47. Remove the safety stands and lower the vehicle.
  48. Support the transmission with a suitable support.
  49. Remove the upper bolts from the transmission to the engine.

  50. Object Number: 222260  Size: SH
  51. Install the J 36857 on the right rear cylinder head.
  52. Install the J 36857 on the left front cylinder head.
  53. Install a suitable lifting device between the lifting brackets.
  54. Lift the engine just enough to remove the engine mount through bolts.
  55. Remove the engine assembly from the vehicle.
  56. Important: It maybe necessary to remove the flywheel from the crankshaft before installing the engine assembly on a suitable engine stand.

  57. Install the engine assembly on a suitable engine stand.
  58. Remove the lift brackets from the engine assembly.

Installation Procedure


    Object Number: 222260  Size: SH
  1. Install the J 36857 to the right rear cylinder head.
  2. Remove the engine from the engine stand.
  3. Install the flywheel on the crankshaft.
  4. Lower the engine assembly on the engine mounts.
  5. Install the engine mount through bolts.
  6. Install the right and left lower bolt from the transmission to the engine block.
  7. Remove the lifting device from the engine assembly.
  8. Raise the vehicle and support with safety stands.
  9. Install the upper bolts from the transmission to the engine block.
  10. install the bolts from the flywheel to the torque convertor.
  11. install the nuts to the engine mount through bolts.
  12. Install the starter to the engine block. Refer to Starter Motor Replacement in Engine Electrical.
  13. Install the flywheel inspection cover to the transmission.
  14. Install the engine oil cooler lines to the engine block.
  15. Install the transmission oil cooler lines to the retaining clips. Refer to Oil Cooler Hose/Pipe Replacement in Automatic Transmission-4L80E.

  16. Object Number: 317722  Size: SH
  17. Reconnect the block heater electrical connector.
  18. Remove the safety stands and lower the vehicle.
  19. Install the fuel injection pump to the engine block. Refer to Fuel Injection Pump Replacement in Engine Controls-6.5L.
  20. Install the exhaust manifolds (if removed). Refer to Exhaust Manifold Replacement
  21. Install the mounting bracket for the A/C compressor.
  22. Install the mounting bracket for the generator.
  23. Install the vacuum lines to the vacuum pump.
  24. Install the generator to the mounting bracket. Refer to Generator Replacement in Engine Electrical.
  25. Install the power steering pump to the mounting bracket. Refer to Power Steering Pump Replacement in Power Steering System.
  26. Install thew auxiliary generator (if equipped) to the mounting bracket. Refer to Auxiliary Generator Replacement in Engine Electrical.
  27. Install the turbocharger to the engine block. Refer to Turbocharger in Turbocharger.
  28. Install the lower intake manifold to the engine block. Refer to Intake Manifold Replacement .
  29. Install the ground wires from the body to the engine block.
  30. Install the thermostat housing crossover to the engine assembly. Refer to Thermostat Housing Crossover Replacement in Engine Cooling.
  31. Install the heater hoses to the vehicle. Refer to Heater Hoses Replacement in Engine Cooling.
  32. Install the A/C compressor to the engine block. Refer to Air Conditioning Compressor Replacement in HVAC Systems-Manual.
  33. Install the engine wiring harness to the engine assembly.
  34. Install the upper intake manifold to the engine assembly. Refer to Intake Manifold Replacement .
  35. Install the transmission oil level indicator to the vehicle.
  36. Install the engine oil level indicator to the engine assembly. Refer to Oil Level Indicator and Tube Replacement .
  37. Install the engine oil filler tube. Refer to Oil Fill Tube Removal .
  38. Install the radiator hoses to the engine assembly. Refer to Radiator Hose Replacement in Engine Cooling.
  39. Install the A/C compressor to the mounting bracket. Refer to Condenser Replacement HVAC Systems-Manual.
  40. Install the clutch fan to the water pump. Refer to Fan Clutch Replacement in Engine Cooling.
  41. Install the drive belt on the pulleys. Refer to Drive Belt Replacement .
  42. Install the radiator support in the vehicle. Refer to Radiator Support Replacement in Body Front End.
  43. Install the radiator in the vehicle. Refer to Radiator Replacement in Engine Cooling.
  44. Install the A/C condenser in the vehicle. Refer to Condenser Replacement in HVAC Systems-- Manual.
  45. Install the auxiliary engine oil cooler. Refer to Auxiliary Engine Oil Cooler Replacement in Engine Cooling.
  46. Install the grille assembly to the vehicle. Refer to Grille Replacement in Body Front End.
  47. Install the front bumper to the vehicle. Refer to Front Bumper Filler Replacement in Body Front End.
  48. Install the surge tank in the vehicle. Refer to Surge Tank (Diesel) Replacement in Engine Cooling.
  49. Install the air cleaner in the vehicle. Refer to Air Cleaner Assembly Replacement in Engine Cooling.

  50. Object Number: 175681  Size: SH
  51. Install the air intake duct to the air cleaner.
  52. Connect the battery cables to the auxiliary battery. Refer to Battery Cable Replacement in Engine Electrical.
  53. Install the front battery in the vehicle. Refer to Battery Replacement in Engine Electrical.
  54. Fill the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.
  55. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging in HVAC System-Manual.
  56. Perform the injection timing adjustment procedure. Refer to Injection Timing Adjustment in Engine Controls-6.5L.
  57. Perform the TDC offset timing procedure. Refer to TDC Offset Adjustment in Engine Controls-6.5L.
  58. Install the engine cover in the vehicle. Refer to Engine Cover Replacement in Interior Trim.