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Removal Procedure



Engine Replacement

Removal Procedure

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Without LAT-2.4L) (Service and Repair) .
2. Disconnect the ECM connector from the under-hood fuse block.
3. Disconnect ground wire from frame, near battery box.
4. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (Service and Repair) .
5. Release the clamp from the brake booster vacuum hose connection.
6. Disconnect the brake booster vacuum hose from the intake manifold.
7. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement (Service and Repair) .
8. Discharge the fuel system. Refer to Fuel Pressure Relief (With CH 48027-100) (Fuel Pressure Relief (With CH 48027-100))Fuel Pressure Relief (Without CH 48027-100) (Fuel Pressure Relief (Without CH 48027-100)) .
9. Disconnect the evaporative emission (EVAP) hose/pipe from the EVAP canister purge solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service) .
10. Disconnect the engine fuel hose/pipe from the chassis fuel hose/pipe. Refer to Metal Collar Quick Connect Fitting Service (Metal Collar Quick Connect Fitting Service) .
11. Discharge the air conditioning (A/C) system. Refer to Refrigerant Recovery and Recharging (Refrigerant Recovery and Recharging) .
12. Remove the A/C compressor hose assembly from the compressor. Cap or plug the hoses and compressor to prevent contamination. Refer to Compressor Hose Assembly Replacement (LY7 3.6L) (Compressor Hose Assembly Replacement).
13. Disconnect the transaxle shift control cable from the transaxle. Refer to Range Selector Lever Cable Replacement (Range Selector Lever Cable Replacement) .
14. Drain the engine coolant from the cooling system. Refer to Cooling System Draining and Filling (Static Fill) (Service and Repair)Cooling System Draining and Filling (GE 47716 Fill) (Service and Repair) .
15. Tie the radiator, A/C condenser, and fan module assembly to the upper radiator support to keep the assembly with the vehicle when the frame and drivetrain is removed.
16. Disconnect the heater hoses from the engine. Refer to Heater Inlet Hose Replacement (LY7 3.6L) (Heater Inlet Hose Replacement).
17. Remove the radiator inlet hose. Refer to Radiator Inlet Hose Replacement (LY7 3.6L) (Service and Repair).
18. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair) .
19. Remove the radiator outlet hose. Refer to Radiator Outlet Hose Replacement (LY7 3.6L) (Service and Repair).




20. Disconnect the transaxle oil cooler lines from the transaxle and remove the seals. Refer to Transmission Fluid Cooler Inlet Hose Replacement (Service and Repair) and Transmission Fluid Cooler Outlet Hose Replacement (Service and Repair) .
21. Cap the transaxle oil cooler lines and plug the transaxle oil cooler line fittings to prevent loss of transmission fluid.
22. Remove the catalytic converters and secure the rear half of the exhaust system to the vehicle underbody. Refer to Exhaust Manifold Replacement - Left Side (LY7 3.6L) (Exhaust Manifold Replacement - Left Side) Exhaust Manifold Replacement - Right Side (LY7 3.6L) (Exhaust Manifold Replacement - Right Side) .
23. Remove the front tires. Refer to Tire and Wheel Removal and Installation (Service and Repair) .
24. Remove the right and left engine splash shields. Refer to Engine Splash Shield Replacement (Service and Repair) .




25. Remove the steering intermediate shaft pinch bolt and discard the bolt.
26. Disconnect the steering intermediate shaft from the steering gear.




27. Remove the right and left outer tie rod ends from the steering knuckles. Refer to Steering Linkage Outer Tie Rod Replacement (Steering Linkage Outer Tie Rod Replacement) .




28. Remove the right and left stabilizer shaft links from the stabilizer shaft. Refer to Stabilizer Shaft Link Replacement (Front Suspension) .




29. Remove the right and left lower ball joints from the steering knuckles. Refer to Lower Control Arm Replacement (Front Suspension) .
30. On front wheel drive (FWD) models, place a drain pan under the transaxle then separate the right and left front wheel drive shafts from the transaxle. Refer to Front Wheel Drive Shaft Replacement (Front Wheel Drive Shaft Replacement) .
31. On all wheel drive (AWD) models, remove the rear wheel driveshaft. Refer to Rear Wheel Drive Shaft Replacement (Rear Wheel Drive Shaft Replacement) .




32. On all models, place a block of wood (1) between the frame and the engine oil pan in order to support the engine once the bolts are removed from the right engine mount.




33. Lower the vehicle.
34. Remove the bolts (2) that secure the right engine mount (1) to the engine (3).

Important: Insure the vehicle body is secured to the hoist.


35. Raise the vehicle.
36. Place a universal frame support fixture or jackstands under the frame.
37. Lower the vehicle until the frame contacts the frame support fixture or jackstands.
38. Disconnect the wiring harness retaining clips near the right and left shock towers.
39. Remove the drivetrain and front suspension frame reinforcement. Refer to Drivetrain and Front Suspension Frame Reinforcement Replacement (3.6L LY7 3.6L and 3.5L LZ4-3.5L 3.5L) (Service and Repair) .




40. Remove the frame-to-body bolts. Discard the bolts.

Important: Inspect for areas of body to powertrain contact or entanglement of wires and hoses while separating the vehicle body and powertrain.


41. Carefully raise the vehicle body up away from the powertrain.




42. Disconnect the engine electrical wiring harness from the following components:

* Oxygen sensor (1)
* EVAP purge solenoid (2)
* Ignition coils (3, 4, 10)
* Ground leads (7, 11)
* Remove wire harness from retainers (5, 6, 8, 9)





43. Disconnect the left and right cylinder head engine electrical wiring harness from the following components:

* Camshaft position sensors (1)
* Camshaft position actuators (2)





44. Disconnect the engine electrical wiring harness from the following components:

* Generator (1)
* Retainer clips (2, 3, 4, 5, 6, 7, 9)
* A/C compressor hose (8)
* Oil pressure switch (10)
* A/C compressor (8)





45. Disconnect the engine electrical wiring harness from the following components:

* Battery cable (1)
* Retainer clips (2, 3)
* Transmission module (4)





46. If equipped with an engine coolant heater, disconnect the coolant heater cord.
47. Remove the throttle body assembly. Refer to Throttle Body Assembly Replacement (Removal and Replacement) .




48. Remove the engine-to-transaxle brace bolts (1, 2) and brace (3).
49. Remove the starter motor. Refer to Starter Motor Replacement (LY7 3.6L) (Service and Repair) .




50. Remove the torque converter bolts.
51. Install the engine support adapters to the engine. Refer to Engine Support Fixture (Engine Support Fixture) .
52. Support the engine weight with an engine hoist.




53. Remove the automatic transaxle bolts.
54. Separate the automatic transaxle from the engine.
55. Lift the engine away from the frame and the automatic transaxle.
56. Secure the engine to an engine stand.
57. Remove any additional engine components as necessary. Refer to appropriate component sections in manual if needed.




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