Removal and Replacement

Removal Procedure





1. Open the hood.
2. Remove the engine cover from the vehicle. Refer to Engine Cover Replacement.
3. Disconnect the battery negative cable from the battery. Refer to Battery Negative Cable Disconnect/Connect Procedure.
4. Remove the battery from the vehicle. Refer to Battery Replacement.
5. Remove the air intake duct from the throttle body. Refer to Air Cleaner Assembly Replacement.
6. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
7. Drain the cooling system. Refer to Draining and Filling Cooling System in Cooling System.
8. Remove the coolant reservoir. Refer to Coolant Recovery Reservoir Replacement in Cooling System.
9. Remove the front bumper from the vehicle. Refer to Bumper Replacement - Front.
10. Remove the grill and park light assembly from the vehicle. Refer to Grille Replacement.
11. Evacuate the air conditioning system. Refer to Refrigerant Recovery and Recharging in Heating and Air Conditioning.
12. Remove the radiator support from the vehicle. Refer to Radiator Support Replacement.
13. Remove the radiator from the vehicle. Refer to Radiator Replacement in Cooling System.
14. Remove the air conditioning condenser from the vehicle. Refer to Condenser Replacement in Heating and Air Conditioning.
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.





17. Remove the radiator hoses from the engine. Refer to Heater Hoses Replacement in Cooling System.
18. Remove the engine wiring harness and the connectors.





19. Remove the engine oil fill tube.





20. Remove the engine oil level indicator and tube. Refer to Oil Level Indicator and Tube Replacement.
21. Remove the air conditioning compressor from the mounting bracket. Refer to Compressor Replacement in Heating and Air Conditioning.
22. Remove the power steering pump from the mounting bracket. Refer to Power Steering Pump Replacement in Steering and Suspension.
23. Remove the A/C mounting bracket from the engine block. Refer to Accessory Mounting Brackets Replacement (AC) or Accessory Mounting Brackets Replacement (Generator) in Heating and Air Conditioning.
24. Remove the generator from the mounting bracket. Refer to Generator Replacement.





25. Remove the generator mounting bracket from the engine block. Refer to Accessory Mounting Brackets Replacement (AC) or Accessory Mounting Brackets Replacement (Generator).

Caution: In order to avoid possible injury or vehicle damage, always replace the accelerator control cable with a NEW cable whenever you remove the engine from the vehicle.
In order to avoid cruise control cable damage, position the cable out of the way while you remove or install the engine. Do not pry or lean against the cruise control cable and do not kink the cable. You must replace a damaged cable.

26. Remove the throttle body from the upper intake manifold. Refer to Throttle Body Assembly Replacement.
27. Remove the upper intake manifold from the lower intake manifold. Refer to Intake Manifold Replacement (Upper Intake Manifold) or Intake Manifold Replacement (Lower Intake Manifold).
28. Remove the lower intake manifold from the cylinder head. Refer to Intake Manifold Replacement (Upper Intake Manifold) or Intake Manifold Replacement (Lower Intake Manifold).
29. Remove the transmission oil level and indicator tube. Refer to Filler Tube and Seal Replacement.
30. Remove the transmission shift cable connector. Refer to Shift Cable Replacement in Transmission and Drivetrain.
31. Disconnect the fuel supply lines at the rear of the engine. Refer to Fuel Hose/Pipes Replacement (Engine Compartment).
32. Raise the vehicle and support with safety stands. Refer to Vehicle Lifting.
33. Remove the starter motor from the engine block. Refer to Starter Motor Replacement.





34. Remove the flywheel inspection cover.
35. Remove the exhaust pipes at the exhaust manifolds. Refer to Catalytic Converter Replacement.





36. Remove the engine cooler lines from the retaining brackets. Refer to Engine Oil Cooler Line Replacement.





37. Remove the torque converter to flywheel bolts.





38. Remove the transmission to engine bolts. Refer to Transmission Replacement in Transmission and Drivetrain.
39. Remove the safety stands and lower the vehicle. Refer to Vehicle Lifting.
40. Install a length of chain, using GM P/N 23503910 or equivalent attaching bolt, to the rear of the right cylinder head and the front of the left cylinder head.
41. Support the transmission with a strap between the frame rails.
42. Install the suitable lifting device to the engine.





43. Remove the front engine mount through bolts.
44. Remove the engine from the vehicle.


Installation Procedure





1. Install the engine from the vehicle.
2. Install the front engine mount through bolts.
3. Remove the lifting device to the engine.
4. Remove the support from the transmission.
5. Remove the chain and attaching bolts from the cylinder heads.
6. Raise the vehicle and support with safety stands. Refer to Vehicle Lifting.
7. Install the bolts from the transmission to engine. Refer to Transmission Replacement in Transmission and Drivetrain.





8. Install the bolts from the flywheel to the torque convertor.
9. Install the engine cooler lines to the retaining brackets. Refer to Engine Oil Cooler Line Replacement in Cooling System.
10. Install the exhaust pipes to the exhaust manifolds. Refer to Catalytic Converter Replacement.





11. Install the flywheel inspection cover.
12. Install the starter motor to the engine block. Refer to Starter Motor Replacement.
13. Remove the safety stands and lower the vehicle. Refer to Vehicle Lifting.
14. Connect the fuel supply lines at the rear of the engine. Refer to Fuel Hose/Pipes Replacement (Engine Compartment).
15. Connect the transmission shift cable connector. Refer to Shift Cable Replacement in Transmission and Drivetrain.





16. Install the lower intake manifold to the cylinder head. Refer to Intake Manifold Replacement (Upper Intake Manifold) or Intake Manifold Replacement (Lower Intake Manifold).
17. Install the upper intake manifold to the lower intake manifold. Refer to Intake Manifold Replacement (Upper Intake Manifold) or Intake Manifold Replacement (Lower Intake Manifold)

Caution: In order to avoid possible injury or vehicle damage, always replace the accelerator control cable with a NEW cable whenever you remove the engine from the vehicle.
In order to avoid cruise control cable damage, position the cable out of the way while you remove or Install the engine. Do not pry or lean against the cruise control cable and do not kink the cable. You must replace a damaged cable.

18. Install the throttle body to the upper intake manifold. Refer to Throttle Body Replacement.
19. Install the generator mounting bracket to the engine block. Refer to Accessory Mounting Brackets Replacement (AC) or Accessory Mounting Brackets Replacement (Generator).
20. Install the generator to the mounting bracket. Refer to Generator Replacement.
21. Install the transmission oil level and indicator tube. Refer to Filler Tube and Sea/ Replacement in Transmissions and Transaxles.
22. Install the A/C mounting bracket to the engine block. Refer to Accessory Mounting Brackets Replacement (AC) or Accessory Mounting Brackets Replacement (Generator) in Heating and Air Conditioning.
23. Install the power steering pump to the mounting bracket. Refer to Power Steering Pump Replacement in Steering and Suspension.
24. Install the air conditioning compressor to the mounting bracket. Refer to Compressor Replacement in Heating and Air Conditioning.





25. Install the engine oil level indicator and tube. Refer to Oil Level Indicator and Tube Replacement.





26. Install the engine oil fill tube to the engine block.
27. Install the engine wiring harness and the connectors.





28. Install the radiator hoses to the engine. Refer to Radiator Hose Replacement in Cooling System.
29. Install the fan clutch to the water pump. Refer to Fan Clutch Replacement.
30. Install the drive belt to the vehicle. Refer to Drive Belt Replacement
31. Install the air conditioning condenser to the vehicle. Refer to Condenser Replacement in Heating and Air Conditioning.
32. Install the radiator to the vehicle. Refer to Radiator Replacement in Cooling System.
33. Install the radiator support to the vehicle. Refer to Radiator Support Replacement.
34. Install the grill and park light assembly to the vehicle. Refer to Grille Replacement.
35. Install the front bumper to the vehicle. Refer to Bumper Replacement - Front.





36. Install the coolant reservoir in the vehicle. Refer to Coolant Recovery Reservoir Replacement in Cooling System.
37. Install the air intake duct to the throttle body. Refer to Air Cleaner Assembly Replacement.
38. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
39. Install the battery in the vehicle. Refer to Battery Negative Cable Disconnect/Connect Procedure.
40. Fill the cooling system. Refer to Draining and Filling Cooling System in Cooling System.
41. Recharge the air conditioning system. Refer to Refrigerant Recovery and Recharging in Heating and Air Conditioning.
42. Install the engine cover in the vehicle. Refer to Engine Cover Replacement.
43. Install the Oil Filter and Engine Oil. Refer to Engine Oil and Oil Filter Replacement.
44. Before starting a new engine or one that has been repaired. Refer to Engine Set-Up and Testing.
45. The final step is to perform the CKP System Variation Learn procedure. Refer to CKP System Variation Learn Procedure.