Removal Procedure
Engine Replacement
Special Tools
* EN 46114 Engine Lift Brackets
* J 42640 Steering Column Anti-Rotation Pin
Removal Procedure
1. Center the steering wheel.
2. Turn the ignition OFF.
3. Install the J 42640 to the steering column.
4. Disconnect the battery negative cable from the battery and the body. Refer to Battery Positive Cable Replacement (LY7) (Service and Repair).
5. Disconnect the battery positive cable from the battery and the underhood electrical center. Refer to Battery Positive Cable Replacement (LY7) (Service and Repair).
6. Position and secure the battery cables to the engine.
7. Remove the battery. Refer to Battery Replacement (LY7) (Battery Replacement).
8. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (Service and Repair).
9. Remove the air cleaner duct. Refer to Air Cleaner Inlet Duct Replacement (Service and Repair).
10. Drain the cooling system. Refer to Cooling System Draining and Filling (LY7 Static Fill) (Service and Repair).
11. Disconnect the overflow hose.
12. Position and secure the overflow hose to the engine.
Position and secure the overflow hose to the vehicle.
13. Disconnect the heater hoses from the heater core. Refer to Heater Inlet Hose Replacement (LY7) (Heater Inlet Hose Replacement (LY7)) and Heater Outlet Hose Replacement (LY7) (Heater Outlet Hose Replacement (LY7)).
14. Disconnect the purge line (3) from the purge solenoid.
Important: Plug the fuel pipe and cap the fuel rail to prevent fuel loss and/or contamination.
15. Disconnect the fuel pipe (2) from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service (Metal Collar Quick Connect Fitting Service).
16. Evacuate the air conditioning system. Refer to Refrigerant Recovery and Recharging (Refrigerant Recovery and Recharging).
17. Remove the A/C lines from the A/C compressor. Refer to Compressor Hose Assembly Replacement (LY7) (Compressor Hose Assembly Replacement (LY7)).
18. Disconnect the brake booster check valve and vacuum hose (1) from the brake booster (2).
Position and secure the brake booster hose to the engine.
19. Disconnect the brake fluid level switch electrical connector from the master cylinder.
20. Disconnect the mass air flow sensor electrical connector.
21. Unlock and disconnect the instrument panel (I/P) electrical connector from the engine.
Position and secure the I/P harness to the vehicle.
22. Disconnect the engine module wiring harness connectors.
23. Disconnect the wiring harness from the transmission control module (TCM). Refer to Transmission Control Module Replacement (3.6L) (Service and Repair).
Important: Do NOT disconnect the brake pipes from the master cylinder.
24. Remove the master cylinder and reposition and secure the master cylinder to the engine.
25. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (With CH 48027) (Fuel Pressure Relief (With CH 48027))Fuel Pressure Relief (Without CH 48027) (Fuel Pressure Relief (Without CH 48027)).
26. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
27. Remove the catalytic converter. Refer to Catalytic Converter Replacement (Service and Repair).
28. Remove the air deflector.
29. Disconnect the left front brake pipe retainer with the brake pipe.
30. Remove the right front brake pipe from the brake pipe.
Important: Cap and/or plug the brake pipes and the brake pressure modulator valve (BPMV) in order to minimize brake fluid loss.
31. Disconnect the rear brake pipes (two center pipes) from the BPMV. Refer to Electronic Brake Control Module Replacement (Service and Repair).
32. Remove the front tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation (Service and Repair).
33. Remove the intermediate steering shaft. Refer to Intermediate Steering Shaft Replacement (Intermediate Steering Shaft Replacement).
34. Disconnect the transmission shift linkage from the transmission. Refer to Range Selector Lever Cable Replacement (Service and Repair).
Important: Secure the shock modules to the lower control arms with a suitable strap in order to prevent damage to the front brake hoses.
35. Remove the right and left shock module upper mounting bolts. Refer to Strut Assembly Replacement (Strut Assembly Replacement).
36. Raise the vehicle enough to place a suitable lift table under the engine, transmission, front frame and front suspension assembly.
37. Position a suitable powertrain and/or engine lift table below the frame, engine and transmission.
38. Raise the lift table and/or lower the vehicle to support the frame, engine and transmission.
39. Remove the transmission brace to underbody bolts. Refer to Transmission Brace Replacement (Transmission Brace Replacement).
40. Remove the front frame bolts.
Important: Ensure that all the hoses, wires, pipes and shock modules clear the vehicle during the removal process.
41. With the aid of an assistant, lower the table and/or raise the vehicle to remove the engine, transmission, front frame and front suspension assembly from the vehicle.
42. Disconnect the engine control module (ECM) electrical connector. Refer to Engine Control Module Replacement (Service and Repair).
43. Remove the thermostat housing with the heater pipes, heater hoses and surge tank outlet hose. Refer to Engine Coolant Thermostat Housing Replacement (LY7) (Service and Repair).
44. Remove the starter motor. Refer to Starter Motor Replacement (LY7) (Service and Repair).
45. Remove the heated oxygen sensor (HO2S) connectors.
46. Disconnect the transmission oil cooler (TOC) pipes from the engine, radiator and the transmission. Refer to Automatic Transmission Oil Cooler Hose Replacement (Service and Repair).
47. Disconnect the radiator hoses from the water outlet housing and the coolant inlet pipe.
48. Cap and plug the power steering hoses and pipes in order to prevent fluid loss and contamination.
49. Remove the radiator hoses. Refer to Radiator Inlet Hose Replacement (LY7) (Service and Repair) and Radiator Outlet Hose Replacement (LY7) (Service and Repair).
50. Install the EN 46114 to the engine.
51. Connect a floor crane to the engine lift brackets and raise the floor crane to partially support the engine.
52. Position a second powertrain lift table below the transmission.
53. Remove the transmission. Refer to Transmission Replacement (Removal and Replacement).
54. Remove the drive belts. Refer to Drive Belt Replacement (Service and Repair).
55. Remove the drive belt tensioner. Refer to Drive Belt Tensioner Removal (Overhaul).
56. Remove the idler pulley. Refer to Drive Belt Idler Pulley Removal (Overhaul).
57. Remove the generator. Refer to Generator Replacement (LY7) (Generator Replacement (LY7)).
58. Remove the A/C compressor. Refer to Compressor Replacement (LY7) (Service and Repair).
59. Remove the power steering pump. Refer to Power Steering Pump Replacement (LY7) (Service and Repair).
60. Remove the oil level indicator. Refer to Oil Level Indicator and Tube Removal (Overhaul).
61. Remove the left exhaust manifold. Refer to Exhaust Manifold Removal - Left Side (Overhaul).
62. Remove the oil filter adapter. Refer to Oil Filter Adapter Removal (Overhaul).
63. Remove the right exhaust manifold. Refer to Exhaust Manifold Removal - Right Side (Overhaul).
64. Remove the crankshaft balancer. Refer to Crankshaft Balancer Removal (Overhaul).
65. Remove the flywheel. Refer to Engine Flywheel Removal (Overhaul).
66. Remove the intake manifold. Refer to Intake Manifold Removal (Overhaul).
67. Remove the water outlet. Refer to Water Outlet Removal (Overhaul).
68. Remove the block heater. Refer to Coolant Heater Replacement (LY7) (Coolant Heater Replacement (LY7)).
69. Remove the ECM with the ECM bracket. Refer to Engine Control Module Replacement (Service and Repair).
70. Use a floor crane in order to remove the engine from the frame.
71. Remove the engine mount brackets with the engine mounts.