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Home >> Kia >> 2015 >> Optima Limited >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transaxle Control System - 2.0L - Optima >> 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 drain plug (A) and reinstall the drain plug after draining ATF totally.

    Tightening Torque : 

    38.2 ~ 48.1 N.m (3.9 ~ 4.9 kgf.m, 28.2 ~ 35.4 lb-ft)

    Fig 1: Transmission Drain Plug
    G00549934Courtesy 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 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: Wiring Bracket Mounting Bolt
    G00549935Courtesy of KIA MOTORS AMERICA, INC.
  5. Disconnect the Air Breather Hose (A) from the valve body cover.
  6. Fig 3: Air Breather Hose Location
    G00569555Courtesy of KIA MOTORS AMERICA, INC.
  7. Remove the valve body cover (A).
  8. Tightening Torque: 

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

    Fig 4: Air Breather Hose & Valve Body Cover
    G00549936Courtesy of KIA MOTORS AMERICA, INC.
  9. 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)

  10. Fig 5: Solenoid Valve Connector & Oil Temperature Sensor
    G00569556Courtesy of KIA MOTORS AMERICA, INC.
  11. 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)

  12. Fig 6: Solenoid Valve Support Bracket & Mounting Bolt
    G00569557Courtesy of KIA MOTORS AMERICA, INC.
  13. 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)

  14. Fig 7: Torque Converter Control Solenoid Valve Bolt
    G00569558Courtesy of KIA MOTORS AMERICA, INC.