Engine Replacement

Engine Replacement

Removal Procedure
1. With the tires in the straight forward position, remove the key from the ignition.
2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure.
3. Remove the air inlet duct and resonator.





4. Secure the cooling module to the upper body structure.
5. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure. Fuel Pressure Release





6. Disconnect the fuel lines from the fuel rail.
7. Drain the cooling system.
8. Remove the radiator inlet hose.
9. Remove the surge tank to cylinder head hose.
10. Remove the radiator outlet hose.





11. Remove the inlet (1) and outlet (2) heater hoses.





12. Disconnect the following harness connectors:
- Idle air control (IAC) motor
- TPS
- Manifold absolute pressure (MAP) sensor
- Crankshaft sensor
- Oil pressure sensor
- Purge solenoid
- Ignition coil and module assembly
- Oxygen (O2) sensor
- Vehicle speed sensor
- Engine temperature sensor
- Backup lamp switch

13. Raise and suitably support the vehicle.
14. Remove the engine drive belt. Refer to Drive Belt Replacement. Drive Belt
15. Remove the AC compressor bolts and set the compressor aside.





16. Disconnect the starter harness connectors (3, 4, 5).
17. Disconnect the generator harness connectors.
18. Drain the engine oil.
19. Disconnect the front exhaust pipe from the exhaust manifold. Refer to Exhaust Manifold Replacement. Service and Repair
20. Disconnect the transmission harness connectors.
21. Disconnect the transmission shift cable from the transmission.
22. Use blocks of wood to support the powertrain assembly between the frame and the powertrain.
23. Remove the engine mount. Refer to Engine Mount Replacement. Engine Mount Replacement





24. Remove the side transmission mount.





25. Disconnect the stabilizer links from the stabilizer bar. Refer to Stabilizer Shaft Link Replacement. Service and Repair





26. Disconnect the outer tie rod ends from the steering knuckles. Refer to Rack and Pinion Outer Tie Rod End Replacement.Service and Repair





27. Disconnect the intermediate shaft from the steering gear. Refer to Intermediate Steering Shaft Replacement.

Important: In order to prevent possible SIR system deployment, do not attempt to rotate the steering shaft.





28. Disconnect the lower control arms from the steering knuckles. Refer to Lower Control Arm Replacement. Service and Repair





29. Disconnect the drive axles from the steering knuckle. Refer to Wheel Drive Shaft Replacement. Service and Repair
30. Use a paint pen or magic marker in order to mark the frame to body position.
31. Lower the vehicle to about 3 feet off the ground in order to position the lift table under the frame.
32. Use wood blocks as necessary between the lift table and the frame to support the assembly.
33. Slowly remove the frame bolts using the following sequence:
a. Remove the front frame bolts.
b. Partially unscrew the rear frame bolts until 1.5 inches of bolt shank is exposed.
34. Slowly lower the table to the floor with the cradle and powertrain assembly.
35. Attach the engine lift hoist to the engine lift hooks.





36. Remove the starter.
37. If applicable, remove the torque converter to flywheel bolts.
38. Remove the transmission to engine bolts.
39. Separate the engine from the transmission.
40. If applicable, remove the clutch pressure plate and disk.
41. Remove the following components:
- Exhaust manifold
- Exhaust manifold studs
- Engine mount bracket
- Engine block heater
- Thermostat housing and feed pipe
- Generator
42. Remove the engine from the engine lift.

Installation Procedure
1. Attach the engine lift hoist to the engine lift hooks.
2. Install the following components:
- Exhaust manifold.
- Engine mount bracket.
- Fuel rail.
- Engine block heater, if equipped.
- Drive belt tensioner.
- Thermostat housing and feed pipe.
- Generator.
- Flywheel.

3. If applicable, install the clutch pressure plate and disk.
4. Align the engine to the transmission.

Notice: Refer to Fastener Notice.





Important: The number 3 bolt location is not used.

5. Secure the engine to the transmission.

Tighten
Tighten the transmission to engine bolts to 75 Nm (55 lb ft).

6. If applicable, install the torque converter bolts.

Tighten
Tighten the bolts to 60 Nm (44 lb ft).





7. Install the starter.
8. Remove the engine lift from the engine.
9. Raise and position the frame and powertrain assembly to the vehicle.
10. Hand start all the frame bolts while aligning the frame to the paint marks.
11. Tighten the frame bolts.

Tighten
Tighten the frame bolts to 100 Nm (74 lb ft +180 degrees).

12. Remove the lift table.





13. Connect the drive axles to the steering knuckles.





14. Connect the lower control arm to the steering knuckle.





15. Connect the intermediate steering shaft to the steering gear.





16. Connect the outer tie rod ends to the steering knuckles.





17. Connect the stabilizer links to the stabilizer bar.





18. Install the side transmission mount.





19. Install the engine mount. Refer to Engine Mount Replacement.
20. Remove the wood blocks between the powertrain and frame.
21. Connect the transmission shift cable to the transmission.
22. Connect the transmission harness connector.





23. Connect the exhaust takedown pipe to the exhaust manifold.

Tighten
Tighten the nuts to 30 Nm (22 lb ft).

24. Connect the generator harness connectors.

Tighten
Tighten the generator terminal nut to 20 Nm (15 lb ft).





25. Connect the starter harness connectors (3,4,5).

Tighten
Tighten the battery terminal nut to 17 Nm (13 lb ft).

Tighten
Tighten the S-terminal nut to 3 Nm (27 lb in).

26. Install the AC compressor to the engine.
27. Install the engine drive belt.
28. Connect the following harness connectors:
- IAC motor
- TPS
- MAP sensor
- Crankshaft sensor
- Oil pressure sensor
- Purge solenoid
- Ignition coil and module assembly
- O2 sensor
- Vehicle speed sensor
- Engine temperature sensor





29. Install the inlet heater hose (1) and outlet heater hose (2).
30. Install the radiator outlet hose.




31. Connect the fuel line to the fuel rail.
32. Connect the brake booster hose at the brake booster.





33. Release the cooling module from the upper body structure.
34. Install the air inlet duct and resonator.
35. Connect the negative battery cable.
36. Fill the engine with engine oil to the proper level.
37. Fill the cooling system.
38. Road test the vehicle.