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Home >> Kia >> 2020 >> Optima EX Premium >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine And Transaxle Assembly (R & I) - 2.4L (Except HEV)) >> Engine Assembly >> Repair Procedures >> Removal

Repair Procedures: Removal

WARNING: This page is about a different variant/trim than selected.
CAUTION:
  • Use fender covers to avoid damaging painted surfaces.
  • To avoid damage, unplug the wiring connectors carefully while holding the connector portion.
NOTE:
  • Mark all wiring and hoses to avoid misconnection.
  • For release the fuel system pressure before remove the engine assembly, start the engine without fuel pump relay. And then turn off the ignition switch after engine stops.
  1. Disconnect the "negative" battery cable.
  2. Remove the air conditioning refrigerant.
  3. Remove the engine room under cover.

    (Refer to Engine and Transaxle Assembly - "ENGINE ROOM UNDER COVER ")

  4. Drain the coolant.

    (Refer to Cooling System - COOLANT ")

  5. Remove the front muffler.

    (Refer to Intake and Exhaust System - "MUFFLER AND CATALYTIC CONVERTER ")

  6. Remove the dust cover (A).
    G13269933Courtesy of KIA MOTORS AMERICA, INC.
  7. Remove the torque converter mounting bolts (A) by rotating the crankshaft.

    Tightening torque: 

    45.1 - 52.0 N.m (4.6 - 5.3 kgf.m, 33.3 - 38.3 lb.ft)

    G13269934Courtesy of KIA MOTORS AMERICA, INC.
  8. Loosen the transaxle lower mounting bolts (A, B).

    Tightening torque: 

    (A) 42.2 - 48.1 N.m (4.3 - 4.9 kgf.m, 31.1 - 35.4 lb.ft)

    (B) 42.2 - 54.0 N.m (4.3 - 5.5 kgf.m, 31.1 - 39.8 lb.ft)

    G13269935Courtesy of KIA MOTORS AMERICA, INC.
  9. Remove the air duct (A).
    G12932437Courtesy of KIA MOTORS AMERICA, INC.
  10. Remove the front bumper assembly.

    (Refer to "FRONT BUMPER COVER ")

  11. Remove the RH and LH head lamps.

    (Refer to "HEADLAMPS ")

  12. Remove the battery and battery tray.

    (Refer to "BATTERY ")

  13. Disconnect the ATF cooler hose (A).
    G12921894Courtesy of KIA MOTORS AMERICA, INC.
  14. Disconnect the radiator upper hose (A) and lower hose (B).
    G12932419Courtesy of KIA MOTORS AMERICA, INC.
  15. Remove the hood latch cable (A).
    G13389649Courtesy of KIA MOTORS AMERICA, INC.
  16. Disconnect the A/C discharge line (A) and liquid line (B).
    G00599621Courtesy of KIA MOTORS AMERICA, INC.
  17. Remove the RH and LH fender mounting bolt (A).
    G00612393Courtesy of KIA MOTORS AMERICA, INC.
  18. Disconnect the wiring harness connectors and fasteners from the front end module (FEM) assembly.
  19. Remove the front end module (FEM) assembly bolts (A).

    Tightening torque: 

    21.6 - 26.5 N.m (2.2 - 2.7 kgf.m, 15.9 - 19.5 lb-ft)

    G00612394Courtesy of KIA MOTORS AMERICA, INC.
    NOTE: Marking is necessary before removing FEM in order to install the FEM in the right place as it was.
  20. Remove the front end module (FEM) assembly (A).
    G00612395Courtesy of KIA MOTORS AMERICA, INC.
  21. Remove the air cleaner assembly.

    (Refer to Intake And Exhaust System - "AIR CLEANER ")

  22. Disconnect the wiring connectors and harness clamps and remove the connector brackets around the engine.
  23. Disconnect the heater hoses (A).
    G12932421Courtesy of KIA MOTORS AMERICA, INC.
  24. Disconnect the fuel hose (A) and purge control solenoid valve (PCSV) hose (B).
    G12932423Courtesy of KIA MOTORS AMERICA, INC.
  25. Remove the drive belt.

    (Refer to DRIVE BELT )

  26. Remove the alternator.

    (Refrt to ALTERNATOR )

  27. Remove the A/C compressor.

    (Refer to COMPRESSOR )

  28. Remove the drive belt tensioner.

    (Refer to DRIVE BELT TENSIONER )

  29. Remove the crankshaft damper pulley.

    (Refer to CRANKSHAFT DAMPER PULLEY )

  30. Securely support the transaxle using a jack, then install the hoist to the engine hanger.
    G00607660Courtesy of KIA MOTORS AMERICA, INC.
  31. Disconnect the ground cable (A) and then remove the engine mounting support bracket (B).

    Tightening torque: 

    Ground cable: 10.8 - 13.7 N.m (1.1 - 1.4 kgf.m, 8.0 - 10.1 lb-ft)

    Support bracket: 88.3 - 107.9 N.m (9.0 - 11.0 kgf.m, 65.1 - 79.6 lb-ft)

    G12921906Courtesy of KIA MOTORS AMERICA, INC.
    NOTE: Once the self lock nut is loosened, it loses the clamping force. For this reason, always use a new nut to tighten with specified force.
  32. Remove the automatic transaxle upper mounting bolts (A) and the starter mounting bolts (B).
    G00607661Courtesy of KIA MOTORS AMERICA, INC.
  33. Separate the engine and transaxle by using a pry bar.
    G00607662Courtesy of KIA MOTORS AMERICA, INC.
  34. Remove the engine assembly by pulling it toward the front of the vehicle.
    G00607663Courtesy of KIA MOTORS AMERICA, INC.
    NOTE: When pulling the engine, be careful not to touch the surrounding parts. Damage to the engine or parts may occur.
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