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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 51 (Automatic Transaxle System (HEV)) >> Automatic Transaxle >> Repair Procedures >> Removal

Repair Procedures: Removal

WARNING: This page is about a different variant/trim than selected.
WARNING: The hybrid system uses DC 270V high voltage. So, be sure to follow safety instructions below. Otherwise, there may be a serious injury or electrocution (Refer to "SAFETY PRECAUTION ").
  1. Remove the following items;
    1. Engine cover (A).
    2. Air cleaner assembly and air duct (B). (Refer to "ENGINE INTAKE & EXHAUST SYSTEM - SONATA HEV article.)
    3. Remove the Hybrid Power Control Unit (HPCU) assembly (C).

      (Refer to "HYBRID CONTROL SYSTEM ".)

    Fig 1: Identifying Air Cleaner Assembly And Air Duct
    G10588726Courtesy of HYUNDAI MOTOR AMERICA
  2. Remove the Hybrid Power Control Unit (HPCU) tray (A).

    Tightening torque:  8.8 ~ 13.7 N.m (0.9 ~ 1.4 kgf.m, 6.5 ~ 10.1 lb-ft)

    Fig 2: Identifying Hybrid Power Control Unit (HPCU) Tray
    G10588727Courtesy of HYUNDAI MOTOR AMERICA
  3. Disconnect the heater hose pump connector (B).
  4. Disconnect the heater hose pump (A) from the transaxle.
    Fig 3: Identifying Heater Hose Pump Connector
    G10588728Courtesy of HYUNDAI MOTOR AMERICA
  5. Disconnect the solenoid valve connector (A) and inhibitor switch connector (B).
    Fig 4: Identifying Solenoid Valve Connector & Inhibitor Switch Connector
    G10588729Courtesy of HYUNDAI MOTOR AMERICA
  6. Disconnect the Electric Oil Pump (EOP) connector (A).
    Fig 5: Identifying Electric Oil Pump (EOP) Connector
    G10588730Courtesy of HYUNDAI MOTOR AMERICA
  7. Remove the shift cable (C) after removing the nut (A) and the bolt (B).

    Tightening torque: 

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

    (B) 14.7 ~ 21.6 N.m (1.5 ~ 2.2 kgf.m, 10.9 ~ 15.9 lb-ft)

    Fig 6: Identifying Shift Cable, Bolt & Nut
    G10588731Courtesy of HYUNDAI MOTOR AMERICA
  8. Disconnect the motor power cable connector (A).
    Fig 7: Identifying Motor Power Cable Connector
    G10588732Courtesy of HYUNDAI MOTOR AMERICA
  9. Remove the ground line after removing the bolt (A).
    Fig 8: Identifying Ground Line & Bolt
    G10588733Courtesy of HYUNDAI MOTOR AMERICA
  10. Remove the ATF warmer hose (A).
    Fig 9: Identifying ATF Warmer Hose
    G10588734Courtesy of HYUNDAI MOTOR AMERICA
  11. Using the engine support fixture (Support sst No.: 09200-3N000) hold the engine and adapter.
    NOTE: * SST No. 09200-38001 model also can be used for removing the transaxle.
    Fig 10: Identifying Engine Support Fixture (SST 09200-3N000)
    G10588735Courtesy of HYUNDAI MOTOR AMERICA
  12. Remove the cover (A).
    Fig 11: Identifying Automatic Transaxle Support Bracket Mounting Bolt Cover
    G10588736Courtesy of HYUNDAI MOTOR AMERICA
  13. Remove the automatic transaxle support bracket mounting bolt (A).

    Tightening torque:  88.2 ~ 107.8 N.m (9.0 ~ 11.0 Kgf.m, 65 ~ 79.5 lb-ft)

    Fig 12: Identifying Automatic Transaxle Support Bracket Mounting Bolt
    G10588737Courtesy of HYUNDAI MOTOR AMERICA
  14. Remove the automatic transaxle mounting support bracket (A).

    Tightening torque:  (A) 58.8 ~ 78.4 N.m (6.0 ~ 8.0 kgf.m, 43.3 ~ 57.8 lb-ft)

    Fig 13: Identifying Automatic Transaxle Mounting Support Bracket
    G10588738Courtesy of HYUNDAI MOTOR AMERICA
  15. Remove the sensor connector (A) and (B).
    Fig 14: Identifying Sensor Connectors
    G10588739Courtesy of HYUNDAI MOTOR AMERICA
  16. Remove the automatic transaxle upper mounting bolt (A-2 ea).

    Tightening torque:  (A) 42.2 ~ 54.0 N.m (4.3 ~5.5 kgf.m, 31.1 ~ 39.8 lb-ft)

    Fig 15: Identifying Automatic Transaxle Upper Mounting Bolt
    G10588740Courtesy of HYUNDAI MOTOR AMERICA
  17. Remove the under cover (A).

    Tightening torque:  7.8 ~ 11.7 N.m (0.8 ~ 1.2 kgf.m, 5.7 ~ 8.6 lb-ft)

    Fig 16: Identifying Front Under Cover
    G10588741Courtesy of HYUNDAI MOTOR AMERICA
  18. Remove the Electric Oil Pump (EOP) connector (A) and clips (B).
  19. Remove the Clutch Pressure Sensor (CPS) connector (C).
    Fig 17: Identifying Electric Oil Pump (EOP) Connector & Clips
    G10588742Courtesy of HYUNDAI MOTOR AMERICA
  20. Remove the following items;
    1. Sub frame assembly.

      (Refer to "FRONT SUSPENSION SYSTEM - SONATA HEV article.)

    2. Drive shaft assembly.

      (Refer to "DRIVESHAFT ASSEMBLY - SONATA HEV article.)

  21. Remove the drive shaft cover (A).
    Fig 18: Identifying Drive Shaft Cover
    G10588743Courtesy of HYUNDAI MOTOR AMERICA
  22. Remove the automatic transaxle with a jack after removing the mounting bolts (A).

    Tightening torque:  (A) 42.2 ~ 48.1 N.m (4.3 ~ 4.9 kgf.m, 31.1 ~ 35.4 lb-ft)

    Fig 19: Identifying Automatic Transaxle Mounting Bolts
    G10588744Courtesy of HYUNDAI MOTOR AMERICA