Engine Replacement

Engine Replacement

Removal Procedure

1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (LZ4/LY7) Battery Negative Cable Disconnection and Connection (LAT) .
2. Remove the intake manifold cover. Refer to Fuel Injector Sight Shield Replacement (Service and Repair) .
3. Drain the cooling system. Refer to Cooling System Draining and Filling (LY7, LZ4, Static Fill) (Service and Repair)Cooling System Draining and Filling (LAT Static Fill) Cooling System Draining and Filling (LE5 Static Fill).
4. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement (Service and Repair) .
5. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
6. Remove the hood. Refer to Hood Replacement .
7. Remove the engine mount strut. Refer to Engine Mount Strut Replacement - Right Side (Service and Repair) .
8. Remove the drive belt. Refer to Drive Belt Replacement (Service and Repair) .
9. Disconnect the front knock sensor (KS).




10. Disconnect the rear KS (1) and the crank sensor. Refer to Crankshaft Position Sensor Replacement .




11. Re-position the plastic wire loom/shield on each valve cover, then disconnect the camshaft position (CMP) sensor (1-8).




12. Disconnect the manifold absolute pressure (MAP) sensor (1).




13. Disconnect the evaporative emission (EVAP) canister purge solenoid (2).




14. Disconnect the front and rear ignition coils (2).




15. Disconnect the A/C compressor (1).




16. Disconnect the coolant temperature sensor (1).
17. Disconnect the following electrical connectors:

* The heated oxygen sensor (HO2S)
* The exhaust gas recirculation (EGR) valve
* The electronic throttle control
* The body wiring harness-to-engine harness

18. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
19. Remove the catalytic converters. Refer to Catalytic Converter Replacement - Left Side (LY7) (Catalytic Converter Replacement - Left Side (LY7))Catalytic Converter Replacement - Left Side (LZ4) (Service and Repair) and Catalytic Converter Replacement - Right Side (LZ4) (Service and Repair)Catalytic Converter Replacement - Right Side (LY7) (Catalytic Converter Replacement - Right Side (LY7)) .




20. Remove the engine wiring harness grounds from the transaxle.




21. Remove the engine mount lower bolts (2).
22. Remove the torque converter covers.
23. Remove the starter motor. Refer to Starter Motor Replacement (LZ4) Starter Motor Replacement (LAT) Starter Motor Replacement (LY7) .
24. Remove the air conditioning (A/C) compressor. DO NOT discharge the A/C system. Support the compressor. Refer to Air Conditioning Compressor Replacement (LAT) Air Conditioning Compressor Replacement (LE5) Air Conditioning Compressor Replacement (LY7) Air Conditioning Compressor Replacement (LZ4) .
25. Remove the power steering pump and position aside. Refer to Power Steering Pump Replacement (LZ4) Power Steering Pump Replacement (LY7) .
26. Remove the torque converter bolts.
27. Remove the engine mount bracket. Refer to Engine Mount Bracket Replacement - Right Side (Service and Repair) .




28. Remove the transaxle to oil pan brace bolts and brace.




29. Remove the lower transaxle-to-engine bolt (6) and the stud (1).
30. Remove the radiator outlet hose from the engine. Refer to Radiator Outlet Hose Replacement (LAT) Radiator Outlet Hose Replacement (LE5) Radiator Outlet Hose Replacement (LY7) (Service and Repair)Radiator Outlet Hose Replacement (LZ4) (Service and Repair) .
31. Lower the vehicle and support the transaxle.
32. Remove the engine coolant thermostat housing from the engine. Refer to Engine Coolant Thermostat Housing Replacement (LZ4) (Service and Repair)Engine Coolant Thermostat Housing Replacement (LAT) Engine Coolant Thermostat Housing Replacement (LE5) (Service and Repair)Engine Coolant Thermostat Housing Replacement (LY7) (Service and Repair) .
33. Remove the vacuum hoses from the upper intake manifold.
34. Remove the brake booster vacuum hose from the upper intake manifold.
35. Remove the fuel lines from the fuel rail. Refer to Fuel Injection Fuel Rail Assembly Replacement .
36. Remove the battery ground from the rear of engine.
37. Remove the radiator inlet hose from the engine. Refer to Radiator Inlet Hose Replacement (LAT) Radiator Inlet Hose Replacement (LE5) Radiator Inlet Hose Replacement (LY7) (Service and Repair)Radiator Inlet Hose Replacement (LZ4) (Service and Repair) .
38. Install the engine lifting device to the engine.
39. Remove the upper transaxle-to-engine bolts (3, 4, 5) and the stud (2).
40. Remove the engine from the vehicle.
41. Remove the flywheel. Refer to Engine Flywheel Replacement .
42. Install the engine to the engine stand.



Installation Procedure





1. Remove the engine from the engine stand.
2. Install the flywheel. Refer to Engine Flywheel Replacement .
3. Install the engine to the vehicle.

Notice: Refer to Fastener Notice .

4. Install the upper transaxle-to-engine bolts (3, 4, 5) and the stud (2).

Tighten the bolts (3, 4, 5) and the stud (2) to 75 N.m (55 lb ft).

5. Remove the engine lifting device.
6. Install the radiator inlet hose to the engine. Refer to Radiator Inlet Hose Replacement (LAT) Radiator Inlet Hose Replacement (LE5) Radiator Inlet Hose Replacement (LY7) (Service and Repair)Radiator Inlet Hose Replacement (LZ4) (Service and Repair) .
7. Install the battery ground to the rear of engine.
8. Install the fuel lines to the fuel rail. Refer to Fuel Injection Fuel Rail Assembly Replacement .
9. Install the brake booster vacuum hose to the upper intake manifold.
10. Install the vacuum hoses to the upper intake manifold.
11. Install the engine coolant thermostat housing to the engine. Refer to Engine Coolant Thermostat Housing Replacement (LZ4) (Service and Repair)Engine Coolant Thermostat Housing Replacement (LAT) Engine Coolant Thermostat Housing Replacement (LE5) (Service and Repair)Engine Coolant Thermostat Housing Replacement (LY7) (Service and Repair) .
12. Raise the vehicle and remove the transaxle support.
13. Install the radiator outlet hose to the engine. Refer to Radiator Outlet Hose Replacement (LAT) Radiator Outlet Hose Replacement (LE5) Radiator Outlet Hose Replacement (LY7) (Service and Repair)Radiator Outlet Hose Replacement (LZ4) (Service and Repair) .
14. Install the lower transaxle-to-engine bolt (6) and the stud (1).

Tighten the bolt (6) and the stud (1) to 75 N.m (55 lb ft).





15. Position the transaxle to oil pan brace and install the bolts.

Tighten the bolts to 50 N.m (37 lb ft).

16. Install the engine mount bracket. Refer to Engine Mount Bracket Replacement - Right Side (Service and Repair) .
17. Install the torque converter bolts.
18. Install the power steering pump. Refer to Power Steering Pump Replacement (LZ4) Power Steering Pump Replacement (LY7) .
19. Install the A/C compressor. Refer to Air Conditioning Compressor Replacement (LAT) Air Conditioning Compressor Replacement (LE5) Air Conditioning Compressor Replacement (LY7) Air Conditioning Compressor Replacement (LZ4) .
20. Install the starter motor. Refer to Starter Motor Replacement (LZ4) Starter Motor Replacement (LAT) Starter Motor Replacement (LY7) .
21. Install the torque converter covers.




22. Install the engine mount lower bolts (2).

Tighten the bolts to 50 N.m (38 lb ft).





23. Install the engine wiring harness grounds to the transaxle.
24. Install the engine wiring harness ground nut to the transaxle stud.

Tighten the nut to 35 N.m (26 lb ft).

25. Install the catalytic converters. Refer to Catalytic Converter Replacement - Left Side (LY7) (Catalytic Converter Replacement - Left Side (LY7))Catalytic Converter Replacement - Left Side (LZ4) (Service and Repair) and Catalytic Converter Replacement - Right Side (LZ4) (Service and Repair)Catalytic Converter Replacement - Right Side (LY7) (Catalytic Converter Replacement - Right Side (LY7)) .
26. Lower the vehicle.
27. Connect the following electrical connectors:

* The body wiring harness-to-engine harness
* The electronic throttle control
* The EGR valve
* The HO2S





28. Connect the coolant temperature sensor (1).




29. Connect the A/C compressor (1).




30. Connect the front and rear ignition coils (2).




31. Connect the EVAP canister purge solenoid (2).




32. Connect the MAP sensor (1).




33. Connect the CMP sensor (1-8), then re-position the plastic wire loom/shield on each valve cover.




34. Connect the rear KS (1).




35. Connect the front KS (2) and the crank sensor. Refer to Crankshaft Position Sensor Replacement .
36. Install the drive belt. Refer to Drive Belt Replacement (Service and Repair) .
37. Install the engine mount strut. Refer to Engine Mount Strut Replacement - Right Side (Service and Repair) .
38. Install the hood. Refer to Hood Replacement .
39. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
40. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (LZ4/LY7) Battery Negative Cable Disconnection and Connection (LAT) .
41. Fill the crankcase with engine oil. Refer to Engine Oil and Oil Filter Replacement (Service and Repair) .
42. Fill cooling system. Refer to Cooling System Draining and Filling (LY7, LZ4, Static Fill) (Service and Repair)Cooling System Draining and Filling (LAT Static Fill) Cooling System Draining and Filling (LE5 Static Fill).
43. Perform a CKP system variation learn procedure. Refer to Crankshaft Position System Variation Learn .
44. Install the intake manifold cover. Refer to Fuel Injector Sight Shield Replacement (Service and Repair) .
45. Inspect for leaks.