Removal and Replacement

Removal Procedure





1. Remove the coolant recovery reservoir.
2. Disconnect the battery negative cable from the battery.
3. Remove the engine cover.
4. Remove the air cleaner assembly.
5. Remove the front bumper.
6. Remove the radiator grille assembly.
7. Remove the radiator support.
8. Remove the A/C condenser.
9. Remove the radiator.
10. Remove the ground straps.
11. Remove the fan clutch from the water pump.
12. Remove the heater hoses from the engine.





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.

13. Remove the accelerator control cable and the cruise control cable, if equipped.
14. Remove the generator from the generator and drive belt tensioner bracket.
15. Remove the generator and drive belt brackets.
16. Remove the A/C compressor from the mounting bracket.
17. Remove the power steering pump from the power steering pump bracket.
18. Remove the power steering pump mounting bracket.
19. In order to allow access for the lifting device, remove the upper intake manifold.
20. Remove the transmission oil level indicator and tube.
21. Remove the engine oil fill tube.
22. Remove the transmission shift cable connector.
23. Raise the vehicle and support with safety stands. Refer to Vehicle Lifting.
24. Drain the engine oil.
25. Remove the exhaust pipes from the exhaust manifolds.





26. Remove the engine oil cooler lines from the retaining brackets.
27. Remove the engine oil cooler lines from the engine.





28. Remove the flywheel cover.
29. Remove the starter motor.
30. Remove the torque converter bolts from the engine flywheel.
31. Remove the transmission cooler lines from the engine.
32. Remove the bolts holding the transmission to the engine.
33. Remove the safety stands and lower the vehicle. Refer to Vehicle Lifting.
34. Install a length of chain, using GM P/N 23503910 attaching bolt to the rear of the left cylinder head.
35. Support the transmission using a suitable lifting device.
36. Attach a suitable lifting device to the chain.
37. Remove the engine mounts from the frame.
38. Remove the engine assembly from the vehicle.

Installation Procedure





1. Install the engine assembly to the vehicle.
2. Install the engine mounts to the frame.
3. Install the engine mount through bolts.
4. Remove the lifting device from the chain.
5. Support the transmission with a strap between the frame rails.
6. Raise the vehicle and support with safety stands. Refer to Vehicle Lifting.
7. Install the bolts from the transmission to the engine.
8. Install the transmission cooler lines to the engine block.
9. Install the torque converter bolts to the engine flywheel.
10. Install the starter motor.
11. Install the engine oil cooler lines to the engine.
12. Install the engine oil cooler lines to the retaining brackets.
13. Install the exhaust pipes to the exhaust manifolds.
14. Remove the safety stands and lower the vehicle.
15. Install the transmission shift cable connector.
16. Install the transmission oil level indicator and the tube.
17. Install the fuel pipes to the rear of the engine.
18. Install the upper intake manifold to the engine.

19. Install the A/C compressor to the accessory mounting bracket.
20. Install the generator and drive belt tensioner bracket.
21. Install the generator to the generator and drive belt tensioner bracket.

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.

22. Install the NEW accelerator control cable and the cruise control cable, if equipped.
23. Install the heater hoses to the engine block.
24. Install the fan clutch to the water pump.
25. Install the ground straps.
26. Install the radiator.
27. Install the A/C condenser.
28. Install the radiator support.
29. Install the radiator grille assembly.
30. Install the front bumper.
31. Install the air cleaner assembly.
32. Install the coolant recovery reservoir.
33. Install the engine cover.
34. Connect the battery negative cable to the battery.
35. Fill the engine with the proper quantity and grade of engine oil.
36. Fill the cooling system with the proper quantity and type of coolant.
37. The final step is to perform the CKP System Variation Learn procedure.