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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 & Transaxle 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 air duct (A).
    G12932437Courtesy of KIA MOTORS AMERICA, INC.
  7. Remove the front bumper assembly.

    (Refer to "FRONT BUMPER COVER ")

  8. Remove the RH and LH head lamps.

    (Refer to "HEADLAMPS ")

  9. Remove the battery and battery tray.

    (Refer to "BATTERY ")

  10. Disconnect the ATF cooler hose (A).
    G12921894Courtesy of KIA MOTORS AMERICA, INC.
  11. Disconnect the radiator upper hose (A) and lower hose (B).
    G12932419Courtesy of KIA MOTORS AMERICA, INC.
  12. Remove the hood latch cable (A).
    G13389649Courtesy of KIA MOTORS AMERICA, INC.
  13. Disconnect the A/C discharge line (A) and liquid line (B).
    G00599621Courtesy of KIA MOTORS AMERICA, INC.
  14. Remove the RH and LH fender mounting bolt (A).
    G00612393Courtesy of KIA MOTORS AMERICA, INC.
  15. Disconnect the main wiring harness connectors and fasteners from the front end module (FEM) assembly.
  16. 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.
  17. Remove the front end module (FEM) assembly (A).
    G00612395Courtesy of KIA MOTORS AMERICA, INC.
  18. Remove the air cleaner assembly.

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

  19. Disconnect the ground cable (A).
    G12921899Courtesy of KIA MOTORS AMERICA, INC.
  20. Disconnect the engine control module (ECM) connectors (A).
  21. Remove the main wiring protector (B).

    Tightening torque: 

    7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.7 - 8.6 lb.ft)

    G12921900Courtesy of KIA MOTORS AMERICA, INC.
  22. Disconnect the fuse box main wiring connector (A).
    G12921901Courtesy of KIA MOTORS AMERICA, INC.
  23. Disconnect the front connector (A).
    G12921902Courtesy of KIA MOTORS AMERICA, INC.
  24. Disconnect the fuse box wiring cable (A).
  25. Remove the battery wiring protector (B).

    Tightening torque: 

    7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.7 - 8.6 lb.ft)

    G12921903Courtesy of KIA MOTORS AMERICA, INC.
  26. Remove the transaxle wire harness connectors and control cable from the transaxle.

    (Refer to AUTOMATIC TRANSAXLE SYSTEM - 2.4L (EXCEPT HEV) )

  27. Disconnect the heater hoses (A).
    G12932421Courtesy of KIA MOTORS AMERICA, INC.
  28. Disconnect the fuel hose (A) and purge control solenoid valve (PCSV) hose (B).
    G12932423Courtesy of KIA MOTORS AMERICA, INC.
  29. Remove the front drive shaft.

    (Refer to FRONT DRIVESHAFT )

  30. Remove the roll rod bracket (A).

    Tightening torque: 

    Bolts (B):

    107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb.ft)

    Bolts (C):

    49.0 - 63.7 N.m (5.0 - 6.5 kgf.m, 36.2 - 47.0 lb.ft)

    G12921904Courtesy of KIA MOTORS AMERICA, INC.
    NOTE: Always use a new bolt (B), which is special bolt coated with bond.
  31. Remove the roll rod mounting support bracket (A).

    Tightening torque: 

    49.0 - 68.6 N.m (5.0 - 7.0 kgf.m, 36.2 - 50.6 lb.ft)

    G12921905Courtesy of KIA MOTORS AMERICA, INC.
  32. Support the engine and transaxle assembly with a lift table.
  33. 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.
  34. Remove the transaxle mounting side panel packing (A).
    G12921908Courtesy of KIA MOTORS AMERICA, INC.
  35. Remove the transaxle mounting bolts (A).

    Tightening torque: 

    107.9 - 127.5 N.m (11.0 - 13.0 kgf.m, 79.6 - 94.0 lb-ft)

    G12921909Courtesy of KIA MOTORS AMERICA, INC.
  36. Remove the transaxle support bracket (A).

    Tightening torque: 

    58.9 - 78.5 N.m (6.0 - 8.0 kgf.m, 43.4 - 57.9 lb-ft)

    G00612396Courtesy of KIA MOTORS AMERICA, INC.
  37. Disconnect the ground cable (A).
    G00612381Courtesy of KIA MOTORS AMERICA, INC.
  38. Remove the engine and transaxle assembly by pulling it toward the front of the vehicle.
    G00612382Courtesy of KIA MOTORS AMERICA, INC.
    NOTE: When pulling the engine, be careful not to touch surrounding parts, damage to the engine or parts may occur.
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