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Home >> Kia >> 2018 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Steering >> Steering Column >> Motor Driven Power Steering System (PHEV) >> Steering Column And Shaft >> Repair Procedures >> Replacement

Repair Procedures: Replacement

  1. Disconnect the battery negative cable.
  2. Turn the steering wheel so that the front wheels are facing straight ahead.
  3. Remove the driver airbag module.

    (Refer to Restraint - "DRIVER AIRBAG (DAB) MODULE AND CLOCK SPRING ")

  4. Disconnect the connector.
    G12349960Courtesy of KIA MOTORS AMERICA, INC.
  5. Loosen the lock bolt (A) and then remove the steering wheel.

    Tightning torque: 

    39.2 - 49.0 N.m (4.0 - 5.0 kgf.m, 28.9 - 36.2 lb.ft)

    G12349961Courtesy of KIA MOTORS AMERICA, INC.
    CAUTION: Do not hammer on the steering wheel to remove it; it may damage the steering column.
  6. Loosen the shroud upper and lower screw and then remove the shroud.
    G12349962Courtesy of KIA MOTORS AMERICA, INC.
  7. Disconnect the connector and clip.
    G12349963Courtesy of KIA MOTORS AMERICA, INC.
  8. Remove the clock spring.

    (Refer to Restraint - "DRIVER AIRBAG (DAB) MODULE AND CLOCK SPRING ")

  9. Remove the multi function switch.

    (Refer to Body Electrical System -"MULTIFUNCTION SWITCH ")

  10. Remove the crash pad.

    (Refer to Body (Interior and Exterior) -"CRASH PAD ")

  11. Remove the knee air bag.

    (Refer to Restraint - "KNEE AIR BAG(KAB) ")

  12. Remove the universal joint bolt (A).

    Tightening torque: 

    29.4 - 34.3 N.m (3.0 - 3.5 kgf.m, 21.7 - 25.3 lb.ft)

    G12349964Courtesy of KIA MOTORS AMERICA, INC.
    CAUTION:
    • Keep the neutral-range to prevent the damaging of the clock spring inner cable when handing the steering wheel.
    • Do not reuse the bolt.
  13. Loosen the steering column nuts (A).

    Tightening torque: 

    24.5 - 29.4 N.m (2.5 - 3.0 kgf.m, 18.1 - 21.7 lb.ft)

    G12349965Courtesy of KIA MOTORS AMERICA, INC.
  14. Disconnect the MDPS connector (A).
    G12349966Courtesy of KIA MOTORS AMERICA, INC.
  15. Disconnect the MDPS connector (A).
    G12349967Courtesy of KIA MOTORS AMERICA, INC.
  16. Loosen the steering column mounting bolt (A).

    Tightening torque: 

    44.1 - 49.0 N.m (4.5 - 5.0 kgf.m, 32.5 - 36.2 lb.ft)

    G12349968Courtesy of KIA MOTORS AMERICA, INC.
  17. Install in the reverse order of removal.