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Home › Kia › 2021 › Sorento Hybrid S › Repair and Diagnosis › Transmission › Transmission Control Systems › Automatic Transaxle Control System (HEV) › Transaxle Oil Temperature Sensor (Main Harness) › Repair Procedures › Removal

Repair Procedures: Removal

WARNING:
  • Be sure to read and follow the "GENERAL SAFETY INFORMATION AND CAUTION " before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries.
  • Be sure to shut off the high voltage circuit according to the "HIGH VOLTAGE SHUT-OFF PROCEDURE " before doing any work related with the high voltage system to avoid serious electrical injuries.
NOTE:
  • Use a coated apron, latex gloves, and stainless tray to prevent foreign substance from getting into the transaxle.
  • Maintain clean condition so that foreign substance does not get into the automatic transaxle.
  • The oil temperature sensor is integrated with the main harness and cannot be disassembled.
  1. Shut off the high voltage circuit.

    (Refer to Automatic Transaxle System - "HIGH VOLTAGE SHUT-OFF PROCEDURE ")

  2. Remove the under cover.

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

  3. Drain the coolant of engine & transaxle cooling system.

    (Refer to Engine Mechanical System - "COOLANT ")

  4. Drain the coolant of hybrid motor cooling system.

    (Refer to Hybrid Motor System - "COOLANT ")

  5. Remove the hybrid power control unit (HPCU) assembly and tray.

    (Refer to Hybrid Control System - "HYBRID POWER CONTROL UNIT ")

  6. Separate the air breather hose (A).
    G13576318Courtesy of KIA MOTORS AMERICA, INC.
  7. 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)

    G13576319Courtesy of KIA MOTORS AMERICA, INC.
    NOTE:
    • Automatic transaxle fluid (ATF) can be reused. Collect it using a clean 10-liter beaker.
    • The existing ATF drain plug gasket must be replaced with a new one. (Do not reuse it.)
  8. Remove the ATF warmer.

    (Refer to Hydraulic System - "ATF WARMER ")

  9. Remove the valve body cover (A) by removing the bolts.

    Tightening torque  :

    12.7 - 13.7 N.m (1.3 - 1.4 kgf.m, 9.4 - 10.1 lb.ft)

    G13576320Courtesy of KIA MOTORS AMERICA, INC.
  10. Remove the main harness (A) after removing the bolts.

    Tightening torque  :

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

    G13576321Courtesy of KIA MOTORS AMERICA, INC.
  11. Remove the valve body assembly (A) by removing the bolts.

    Tightening torque  :

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

    G13576322Courtesy of KIA MOTORS AMERICA, INC.
  12. Disconnect the connector (A) from solenoid valve connector module.
    G13576323Courtesy of KIA MOTORS AMERICA, INC.
  13. Remove the main harness mounting bolt (A).

    Tightening torque  :

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

    G13576324Courtesy of KIA MOTORS AMERICA, INC.
  14. Disconnect the main connector (A).
    G13576325Courtesy of KIA MOTORS AMERICA, INC.
  15. Remove the main connector (B) by pushing down after removing the fixing clip (A) by removing the bolt.
    G13576326Courtesy of KIA MOTORS AMERICA, INC.
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