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Home >> Kia >> 2016 >> Optima EX >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transaxle Control System - 2.4L - Optima (Except HEV) >> Torque Converter Control Solenoid Valve (TCON_VFS) >> Repair Procedures >> Removal

Repair Procedures: Removal

  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)

    Fig 1: Locating ATF Drain Plug
    G11829988Courtesy of KIA MOTORS AMERICA, INC.
    NOTE: The existing ATF drain plug gasket must be replaced with a new one. (Do not reuse it.)
  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)

    Fig 2: Removing Wiring Bracket Mounting Bolt
    G11829989Courtesy of KIA MOTORS AMERICA, INC.
  5. Disconnect the air breather hose (A) from the valve body cover.
    Fig 3: Disconnecting Air Breather Hose From Valve Body Cover
    G11829990Courtesy 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)

    Fig 4: Removing Valve Body Cover
    G11829991Courtesy 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)

    Fig 5: Removing Solenoid Valve Harness And Oil Temperature Sensor
    G11829992Courtesy 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)

    Fig 6: Removing Solenoid Valve Support Bracket
    G11829993Courtesy of KIA MOTORS AMERICA, INC.
  9. Remove the torque converter control solenoid valve (B) after loosening the bolt (A).

    Tightening torque: 

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

    Fig 7: Removing Torque Converter Control Solenoid Valve
    G11829994Courtesy of KIA MOTORS AMERICA, INC.