Engine Replacement

Engine Replacement

Removal Procedure




1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Service and Repair).
2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement (Service and Repair).
3. Remove the hood. Refer to Hood Replacement (Service and Repair).
4. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement (Service and Repair).
5. Remove the engine mount snubber and drive belt. Refer to Drive Belt Replacement (Coupe) (Drive Belt Replacement (Coupe))Drive Belt Replacement (Convertible) (Drive Belt Replacement (Convertible)).
6. Remove the power steering pump and disconnect the power steering lines, if equipped. Refer to Power Steering Pump Replacement (LZ4, LZ9) (Service and Repair).
7. Drain the cooling system. Refer to Cooling System Draining and Filling (LY7, LZE, LZ4, LZ9) (Service and Repair)Cooling System Draining and Filling (GE 47716 Fill) (Service and Repair)Cooling System Draining and Filling (LE5 Static Fill) (Service and Repair).
8. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement (Service and Repair).
9. Remove the oil pressure sensor heat shield nuts and shield.




10. Disconnect the oil pressure sensor (1) electrical connector.
11. Disconnect the knock sensor (2) electrical connector.




12. Disconnect the air conditioning (A/C) compressor electrical connector.
13. Lower the vehicle.




14. Disconnect the evaporative emission (EVAP) canister purge solenoid (1) electrical connector.
15. Disconnect the electronic throttle control (ETC) (2) electrical connector.
16. Remove the connector position assurance (CPA) retainer (5).
17. Disconnect the heated oxygen sensor (HO2S) (3) electrical connector.




18. Disconnect the manifold absolute pressure (MAP) sensor (1) electrical connector.
19. Disconnect the ignition control module (2) electrical connector.




20. Disconnect the inlet manifold valve (1) electrical connector.
21. Disconnect the fuel injector inline (2) electrical connector.




22. Disconnect the camshaft phasor sensor electrical connector.




23. Remove the CPA retainer.
24. Disconnect the rear upper HO2S electrical connector (1).




25. Disconnect the knock sensor electrical connector (1).
26. Disconnect the crankshaft position (CKP) sensor electrical connector (2).




27. Disconnect the engine harness connector (1) from the body harness connector (2).




28. Disconnect the body harness electrical connector from the powertrain control module (PCM).




29. Disconnect the engine harness electrical connectors (1) from the PCM.




30. Disconnect the engine harness electrical connector from the transmission control module (TCM).




31. Remove the engine harness clip nut (2).
32. Remove the engine harness clip (1) from the transmission stud.




33. Remove the engine harness ground nut (2).
34. Remove the engine harness ground terminal (1) from the transmission stud.




35. Remove the engine harness rear clip nut (2).
36. Remove the engine harness rear clip (1) from the transmission stud.
37. Remove the catalytic converters. Refer to Catalytic Converter Replacement - Left Side (LY7) (Service and Repair)Catalytic Converter Replacement - Left Side (LZ4) (Service and Repair)Catalytic Converter Replacement - Left Side (LZ9) (Service and Repair) and Catalytic Converter Replacement - Right Side (LY7) (Service and Repair)Catalytic Converter Replacement - Right Side (LZ4) (Service and Repair)Catalytic Converter Replacement - Right Side (LZ9 w/RPO M15) (Service and Repair)Catalytic Converter Replacement - Right Side (LZ9 w/RPO MT2) (Service and Repair).
38. Remove the engine mount. Refer to Engine Mount Replacement (Coupe) (Service and Repair)Engine Mount Replacement (Convertible) (Service and Repair).
39. Remove the torque converter cover. Refer to Torque Converter Cover Replacement (Service and Repair).
40. Remove the starter motor. Refer to Starter Replacement (LY7) (Service and Repair)Starter Replacement (LE5) (Service and Repair)Starter Replacement (LZ9) (Service and Repair)Starter Replacement (LZ4) (Service and Repair).
41. Remove the torque converter bolts. Refer to Flywheel to Torque Converter Bolt Replacement (Service and Repair).
42. Unbolt and reposition the A/C compressor to the side. DO NOT discharge the A/C system.




43. Remove the transaxle brace to oil pan bolts.
44. Remove the transaxle brace to transaxle bolt and remove the brace.




45. Remove the transaxle brace to oil pan bolts, if equipped with regular production option (RPO) MT2.
46. Remove the transaxle brace to transaxle bolt and remove the brace, if equipped with RPO MT2.




47. Remove the transaxle brace to oil pan lower bolt (6), if equipped with RPO M15.
48. Remove the lower transaxle-to-engine bolt and stud.




49. Reposition the radiator outlet hose clamp at the thermostat housing.
50. Remove the radiator outlet hose from the thermostat housing.
51. Lower the vehicle and support the transaxle.




52. Reposition the radiator surge tank hose clamp at the surge tank pipe.
53. Remove the radiator surge tank hose from the surge tank pipe.




54. Reposition the brake booster vacuum hose clamp at the intake manifold.
55. Remove the brake booster vacuum hose (1) from the intake manifold.
56. Reposition the heater inlet and outlet hose clamps at the engine.
57. Remove the heater outlet and inlet hoses from the engine.
58. Disconnect the fuel feed line from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service (Metal Collar Quick Connect Fitting Service).
59. Disconnect the EVAP purge line from the canister purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).




60. Reposition the radiator inlet hose clamp at the engine.
61. Remove the radiator inlet hose from the engine.
62. Install a engine lifting device to the engine.




63. Remove the remaining transaxle-to-engine bolts/studs if equipped with a manual transmission.




64. Remove the remaining transaxle-to-engine bolts/studs if equipped with a automatic transmission.
65. Remove the engine from the vehicle.
66. Remove the flywheel. Refer to Engine Flywheel Replacement (Service and Repair).
67. Install the engine to the engine stand.

Installation Procedure




1. Install an engine lifting device to the engine.
2. Remove the engine from the engine stand.
3. Install the flywheel. Refer to Engine Flywheel Replacement (Service and Repair).
4. Install the engine to the vehicle.

Caution: Refer to Fastener Caution (Fastener Caution).

5. Install the transaxle-to-engine bolts/studs if equipped with a automatic transmission and tighten to 75 Nm (55 lb ft).




6. Install the transaxle-to-engine bolts/studs if equipped with a manual transmission and tighten to 75 Nm (55 lb ft).




7. Remove the engine lifting device from the engine.
8. Install the radiator inlet hose to the engine.
9. Position the radiator inlet hose clamp at the engine.




10. Connect the EVAP purge line to the canister purge solenoid. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).
11. Connect the fuel feed line to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service (Metal Collar Quick Connect Fitting Service).
12. Install the heater outlet and inlet hoses to the engine.
13. Position the heater inlet and outlet hose clamps at the engine.
14. Install the brake booster vacuum hose (1) to the intake manifold.
15. Position the brake booster vacuum hose clamp at the intake manifold.




16. Install the radiator surge tank hose to the surge tank pipe.
17. Position the radiator surge tank hose clamp at the surge tank pipe.




18. Raise and support the vehicle.
19. Install the radiator outlet hose to the thermostat housing.
20. Position the radiator outlet hose clamp at the thermostat housing.
21. Install the lower transaxle-to-engine bolt and stud and tighten to 75 Nm (55 lb ft).




22. Install the transaxle brace to oil pan lower bolt (6), if equipped with RPO M15 and tighten to 50 Nm (37 lb ft).




23. Position the transaxle brace and install the transaxle brace to transaxle bolt until snug, if equipped with RPO MT2.
24. Install the transaxle brace to oil pan bolts, if equipped with RPO MT2 and tighten to 50 Nm (37 lb ft.




25. Position the transaxle brace and install the transaxle brace to transaxle bolt until snug.
26. Install the transaxle brace to oil pan bolts and tighten to 50 Nm (37 lb ft).
27. Position and bolt up the A/C compressor and tighten the bolt to 50 Nm (37 lb ft).
28. Install the torque converter bolts. Refer to Flywheel to Torque Converter Bolt Replacement (Service and Repair).
29. Install the starter motor. Refer to Starter Replacement (LY7) (Service and Repair)Starter Replacement (LE5) (Service and Repair)Starter Replacement (LZ9) (Service and Repair)Starter Replacement (LZ4) (Service and Repair).
30. Install the torque converter cover. Refer to Torque Converter Cover Replacement (Service and Repair).
31. Install the engine mount. Refer to Engine Mount Replacement (Coupe) (Service and Repair)Engine Mount Replacement (Convertible) (Service and Repair).




32. Install the catalytic converters. Refer to Catalytic Converter Replacement - Left Side (LY7) (Service and Repair)Catalytic Converter Replacement - Left Side (LZ4) (Service and Repair)Catalytic Converter Replacement - Left Side (LZ9) (Service and Repair) and Catalytic Converter Replacement - Right Side (LY7) (Service and Repair)Catalytic Converter Replacement - Right Side (LZ4) (Service and Repair)Catalytic Converter Replacement - Right Side (LZ9 w/RPO M15) (Service and Repair)Catalytic Converter Replacement - Right Side (LZ9 w/RPO MT2) (Service and Repair).
33. Install the engine harness rear clip (1) to the transmission stud.
34. Install the engine harness rear clip nut (2) and tighten to 25 Nm (18 lb ft).




35. Install the engine harness ground terminal (1) to the transmission stud.
36. Install the engine harness ground nut (2) and tighten to 25 Nm (18 lb ft).




37. Install the engine harness clip (1) to the transmission stud.
38. Install the engine harness clip nut (2) and tighten to 25 Nm (18 lb ft).




39. Connect the engine harness electrical connector to the TCM.




40. Connect the engine harness electrical connectors (1) to the PCM.




41. Connect the body harness electrical connector to the PCM.




42. Connect the engine harness connector (1) to the body harness connector (2).




43. Connect the CKP sensor electrical connector (2).
44. Connect the knock sensor electrical connector (1).




45. Connect the rear upper HO2S electrical connector (1).
46. Install the CPA retainer.




47. Connect the camshaft phasor sensor electrical connector.




48. Connect the fuel injector inline (2) electrical connector.
49. Connect the inlet manifold valve (1) electrical connector.




50. Connect the ignition control module (2) electrical connector.
51. Connect the MAP sensor (1) electrical connector.




52. Connect the HO2S (3) electrical connector.
53. Install the CPA retainer.
54. Connect the ETC (2) electrical connector.
55. Connect the EVAP canister purge solenoid (1) electrical connector.
56. Raise and support the vehicle.




57. Connect the A/C compressor electrical connector.




58. Connect the knock sensor (2) electrical connector.
59. Connect the oil pressure sensor (1) electrical connector.




60. Install the oil pressure sensor heat shield and nuts and tighten the nuts to 25 Nm (18 lb ft).
61. Lower the vehicle.
62. Connect the power steering lines and install the power steering pump, if equipped. Refer to Power Steering Pump Replacement (LZ4, LZ9) (Service and Repair).
63. Install the drive belt and engine mount snubber. Refer to Drive Belt Replacement (Coupe) (Drive Belt Replacement (Coupe))Drive Belt Replacement (Convertible) (Drive Belt Replacement (Convertible)).
64. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement (Service and Repair).
65. Install the hood. Refer to Hood Replacement (Service and Repair).
66. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement (Service and Repair).
67. Fill the engine with oil. Refer to Engine Oil and Oil Filter Replacement (Service and Repair).
68. Fill the cooling system. Refer to Cooling System Draining and Filling (LY7, LZE, LZ4, LZ9) (Service and Repair)Cooling System Draining and Filling (GE 47716 Fill) (Service and Repair)Cooling System Draining and Filling (LE5 Static Fill) (Service and Repair).
69. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Service and Repair).
70. Inspect for leaks.