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Home >> Kia >> 2016 >> Optima Hybrid >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transaxle Control System (HEV) >> Line Pressure Control Solenoid Vale >> Repair Procedures >> Removal
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Repair Procedures: Removal

  1. Shut off the high voltage circuit.

    (Refer to High Voltage Shut-Off Procedures . )

  2. Remove the under cover (A).

    Tightening torque: 

    7.8 ~ 11.8N.m (0.8 ~ 1.2kgf.m, 5.8 ~ 8.7 lb-ft)

    Fig 1: Under Cover
    G11816031Courtesy of KIA MOTORS AMERICA, INC.
  3. Drain the coolant of hybrid motor cooling system.

    (Refer to Coolant . )

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

    (Refer to Coolant . )

  5. Remove the drain plug (A) and reinstall the drain plug after draining ATF totally.

    Tightening torque: 

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

    Fig 2: Locating Drain Plug
    G11816032Courtesy of KIA MOTORS AMERICA, INC.
  6. Remove the wire ring fixed clip (A).
    Fig 3: Locating Wire Ring Fixed Clip
    G11816033Courtesy of KIA MOTORS AMERICA, INC.
  7. Remove the air duct (A).

    Tightening torque: 

    7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft)

    Fig 4: Removing Air Duct
    G11816034Courtesy of KIA MOTORS AMERICA, INC.
  8. Remove the air cleaner assembly.
    1. Disconnect the breather hose (A).
    2. Disconnect the air intake hose (B) and then remove the air cleaner assembly (C).

      Tightening torque: 

      Hose clamp bolt:

      2.9 ~ 4.9 N.m (0.3 ~ 0.5 kgf.m, 2.2 ~ 3.6lb-ft)

      Air cleaner assembly bolts:

      7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft)

      Fig 5: Locating Breather Hose, Air Intake Hose And Air Cleaner Assembly
      G11816035Courtesy of KIA MOTORS AMERICA, INC.
      NOTE:
      • When installing the air intake hose, the plate of the hose clamp must be in line with the stopper of the hose.
      • When installing the air intake hose, the center of the mark of hose must be in line with the throttle body rib.
        Fig 6: Locating Aligning Plate Of Hose Clamp With Stopper Of Hose
        G11816036Courtesy of KIA MOTORS AMERICA, INC.
  9. Remove the hybrid power control unit assembly.

    (Refer to "HPCU (hybrid Power Control Unit) ".)

  10. Remove the HPCU tray (A).

    Tightening torque: 

    19.6 ~ 29.4 N.m (2.0 ~ 3.0 kgf.m, 14.5 ~ 21.7 lb-ft)

    Fig 7: Locating HPCU Tray
    G11816037Courtesy of KIA MOTORS AMERICA, INC.
  11. Remove the automatic oil cooler tube (A).

    Tightening torque: 

    Eye bolt: 41.2 ~ 47.1 N.m (4.2 ~ 4.8 kgf.m, 30.4 ~ 34.7 lb-ft)

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

    Fig 8: Locating Automatic Oil Cooler Tube
    G11816038Courtesy of KIA MOTORS AMERICA, INC.
  12. Remove the ATF Warmer hose (A) and then remove the valve body cover (B).

    Tightening torque: 

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

    Fig 9: Locating ATF Warmer Hose And Valve Body Cover
    G11816039Courtesy of KIA MOTORS AMERICA, INC.
  13. Remove the main harness (C) and oil temperature sensor (B) after loosening the bolts (A).

    Tightening torque: 

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

    Fig 10: Locating Oil Temperature Sensor, Main Harness And Bolts
    G11816040Courtesy of KIA MOTORS AMERICA, INC.
  14. Remove the 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 11: Locating Solenoid Valve Support Bracket
    G11816041Courtesy of KIA MOTORS AMERICA, INC.
  15. Remove the line pressure control solenoid valve (A).
Fig 12: Locating Line Pressure Control Solenoid Valve
G11816042Courtesy of KIA MOTORS AMERICA, INC.