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Home >> Kia >> 2020 >> Optima EX Premium >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 28 (Automatic Transaxle Control System - 2.4L (Except HEV)) >> Underdrive Brake Control Solenoid Valve (UD/B_VFS) >> Repair Procedures >> Removal

Repair Procedures: Removal

WARNING: This page is about a different variant/trim than selected.
NOTE:
  • Maintain clean condition so that foreign substance does not get into the automatic transaxle.
  • Use a coated apron, latex gloves, and stainless tray to prevent foreign substance from getting into the transaxle.
  1. Remove the under cover.

    (Refer to Engine Mechanical System - "ENGINE ROOM UNDER COVER ").

  2. Remove the ATF drain plug (A), allow the fluid to drain out and then reinstall the drain plug.

    Tightening torque: 

    33.3 - 43.1 N.m (3.4 - 4.4 kgf.m, 24.6 - 31.8 lb.ft)

    G12933023Courtesy of KIA MOTORS AMERICA, INC.
    NOTE:
    • The existing ATF drain plug gasket must be replaced with a new one. (Do not reuse it.)
    • ATF can be reused. Collect it in a clean beaker.
  3. Remove the battery and battery tray.

    (Refer to Engine Electrical System - "BATTERY ")

  4. Remove the wiring bracket mounting bolt (A)

    Tightening torque: 

    9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

    G12933024Courtesy of KIA MOTORS AMERICA, INC.
  5. Disconnect the air breather hose (A) from the valve body cover.
    G12933025Courtesy of KIA MOTORS AMERICA, INC.
  6. Remove the valve body cover (A).

    Tightening torque: 

    11.8 - 13.7 N.m (1.2 - 1.4 kgf.m, 8.7 - 10.1 lb.ft)

    G12933026Courtesy of KIA MOTORS AMERICA, INC.
  7. Remove the solenoid valve harness (A) and oil temperature sensor (B) after removing the bolts.

    Tightening torque: 

    9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

    G12933027Courtesy of KIA MOTORS AMERICA, INC.
  8. Remove solenoid valve support bracket (A).

    Tightening torque: 

    9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

    G12933028Courtesy of KIA MOTORS AMERICA, INC.
  9. Remove the underdrive brake control solenoid valve (B) after loosening a valve body mounting bolt (A).
G12933029Courtesy of KIA MOTORS AMERICA, INC.