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Home >> Jeep >> 2003 >> Wrangler SE, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 2.4L Engine >> Engine 2.4L >> Removal - Engine Assembly

Removal - Engine Assembly

  1. Disconnect the battery negative cable.
  2. Remove hood. Mark hood hinge location for reinstallation.
  3. Remove air cleaner assembly.
  4. Remove radiator core support bracket.
  5. Remove fan shroud with electric fan assembly.
  6. Remove drive belt.
    7. NOTE: It is NOT necessary to discharge the A/C
    system to remove the engine.
  7. Remove A/C compressor and secure away from engine with lines attached.
  8. Remove generator and secure away from engine.
    9. NOTE: Do NOT remove the phenolic pulley from the P/S pump. It is not required for P/S pump removal.
  9. Remove power steering pump with lines attached and secure away from engine.
  10. Drain cooling system.
  11. Remove coolant bottle.
  12. Disconnect the heater hoses from the engine.
  13. Disconnect heater hoses from heater core and remove hose assembly.
  14. Disconnect throttle and speed control cables.
  15. Remove upper radiator hose from engine.
  16. Remove lower radiator hose from engine.
  17. Disconnect the engine to body ground straps at the left side of cowl.
  18. Disconnect the engine wiring harness at the following points:
    • Intake air temperature (IAT) sensor
    • Fuel Injectors
    • Throttle Position (TPS) Switch
    • Idle Air Control (IAC) Motor
    • Engine Oil Pressure Switch
    • Engine Coolant Temperature (ECT) Sensor
    • Manifold Absolute Pressure MAP) Sensor
    • Camshaft Position (CMP) Sensor
    • Coil Over Plugs
    • Crankshaft Position Sensor
  19. Remove coil over plugs.
  20. Release fuel rail pressure.
  21. Remove fuel rail and secure away from engine.
  22. Remove the PCV hose.
  23. Remove the breather hoses.
  24. Remove the vacuum hose for the power brake booster.
  25. Disconnect knock sensors.
  26. Secure the left and right engine wiring harnesses away from engine.
  27. Raise vehicle.
  28. Disconnect oxygen sensor wiring.
  29. Disconnect crankshaft position sensor.
  30. Disconnect the engine block heater power cable, if equipped.
  31. Disconnect the front propshaft at the front differential and secure out of way.
  32. Remove the starter.
  33. Remove the ground straps from the engine.
  34. Disconnect the exhaust pipes at the manifold.
  35. Remove the structural cover, if equipped.
  36. Remove torque convertor bolts, and mark location for reassembly.
  37. Remove transmission bellhousing to engine bolts.
    38. NOTE: It is not necessary to completely remove engine mount thru bolts, for engine removal.
  38. Loosen left and right engine mount thru bolts.
  39. Lower the vehicle.
  40. Support the transmission with a suitable jack.
  41. Connect a suitable engine hoist to the engine.
    42. CAUTION: The 2.4L engine with manual transmissions, can be removed without removing the manual transmission. Use caution when attempting this procedure as the clearance is tight.
  42. Remove engine from vehicle.
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