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Home >> Kia >> 2004 >> Optima EX, 2.7 8 >> Repair and Diagnosis >> Engine Mechanical >> Lubrication System >> 2.7L V6 Engine >> Engine Block >> Engine And Transaxle Assembly >> Removal
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Engine And Transaxle Assembly: Removal

  1. Reduce the internal pressure of the fuel lines and hoses.
    1. Disconnect the fuel pump harness connector in the trunk room.
    2. Start the engine and, after it stops, turn the ignition switch to OFF.
    3. Disconnect the battery negative (-) terminal.
    4. Connect the fuel pump harness connector.
  2. Remove the battery and engine cover.
  3. Detach the air cleaner.
    Fig 1: Removing Air Cleaner
    G00327957Courtesy of KIA MOTORS AMERICA, INC.
  4. Disconnect the connectors for the engine harness.
  5. Disconnect the connectors for the alternator harness, the oil pressure switch and the oil pressure sensor.
  6. Drain the engine coolant.
  7. Disconnect the transaxle oil cooler hoses.
    NOTE: When disconnecting the hoses, make identification marks to avoid making any mistakes when installing them.
    CAUTION: Be careful not to spill any of the oil or fluid out of the hoses. Plug the openings to prevent the entry of foreign material.
  8. Disconnect the radiator upper and lower hoses on the engine side, and then remove the radiator assembly.
    Fig 2: Disconnecting Upper & Lower Radiator Hoses
    G00327958Courtesy of KIA MOTORS AMERICA, INC.
  9. Disconnect the high tension cable and all wires to the distributor from the ignition coil.
  10. Disconnect the engine ground.
  11. Disconnect the brake booster vacuum hose.
  12. Remove the main fuel line, and the return and vapor hoses from the engine side.
    Fig 3: Removing Main Fuel Line, Return & Vapor Hoses
    G00327959Courtesy of KIA MOTORS AMERICA, INC.
  13. Disconnect the heater hoses (inlet and outlet) on the engine side.
    Fig 4: Disconnecting The Inlet & Outlet Heater Hoses
    G00327960Courtesy of KIA MOTORS AMERICA, INC.
  14. Disconnect the accelerator cable and cruise control cable at the engine side.
  15. Remove the control cable from the transaxle.
  16. Disconnect the speedometer cable from the transaxle.
    Fig 5: Disconnecting Speedometer Cable
    G00327961Courtesy of KIA MOTORS AMERICA, INC.
  17. Remove the power steering oil pump hose.
  18. Raise the vehicle.
  19. Remove the oil pan shield.
  20. Drain the transaxle oil.
    Fig 6: Draining Transaxle Fluid
    G00327962Courtesy of KIA MOTORS AMERICA, INC.
  21. Disconnect the front exhaust pipe from the manifold.
    NOTE: Use a wire to suspend the exhaust pipe from the bottom of the vehicle.
  22. Remove the lower arm ball joint bolts and upper arm bolt from the knuckle.
    Fig 7: Removing Lower Arm Ball Joint
    G00327963Courtesy of KIA MOTORS AMERICA, INC.
    Fig 8: Removing Upper Arm Bolt From Knuckle
    G00327964Courtesy of KIA MOTORS AMERICA, INC.
  23. Remove the axle shafts from the transaxle housing.
    CAUTION:
    1. Plug up the holes of the transaxle case to prevent entry of foreign material.
    2. The circlips on the axle shafts should be replaced when installing again.
    Fig 9: Removing Axle Shafts
    G00327965Courtesy of KIA MOTORS AMERICA, INC.
  24. Attach a cable to the engine, and use a chain hoist to lift the engine only enough to pull the cable tight.
  25. Remove the front roll stopper.
    Fig 10: Removing Front Roll Stopper
    G00327966Courtesy of KIA MOTORS AMERICA, INC.
  26. Remove the rear roll stopper.
    Fig 11: Removing Rear Roll Stopper
    G00327967Courtesy of KIA MOTORS AMERICA, INC.
  27. Disconnect the connector of starter motor harness.
  28. Remove the engine mount bolts.
  29. Remove the bolts and nuts that fasten the engine mount bracket to the body.
    Fig 12: Removing Engine Mount Bracket
    G00327968Courtesy of KIA MOTORS AMERICA, INC.
  30. Slowly raise the engine and transaxle and temporarily hold it in the raised condition.
    CAUTION: Confirm that all of the cables, hoses, harnesses, connectors etc., are disconnected from the engine.
  31. Remove the transaxle mounting bracket bolts.
    Fig 13: Removing Transaxle Mounting Bracket
    G00327969Courtesy of KIA MOTORS AMERICA, INC.
  32. Remove the left mount insulator bolt.
  33. While directing the transaxle side downward, lift the engine and transaxle assembly up out of the vehicle.