Repair Procedures: Removal

Air cleaner assembly and air duct.
(Refer to "ENGINE INTAKE & EXHAUST SYSTEM - SONATA HEV article")
Remove the Hybrid Power Control Unit (HPCU) assembly.
(Refer to "HYBRID CONTROL SYSTEM ")
Remove the under cover (A).
Tightening torque: 7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)

Fig 1: Identifying Front Under Cover
Courtesy of HYUNDAI MOTOR AMERICA
Replace new gasket and the plug after draining the automatic transaxle fluid by removing the drain plug.
(Refer to "FLUID ")
Remove the ATF warmer.
(Refer to "ATF WARMER ")
Remove the AT tube (A) after removing eye bolt (B).
Tightening torque: 42 ~ 48 N.m (4.3 ~ 4.9 kgf.m, 31.1 ~ 31.4 lb-ft)

Fig 2: Identifying AT Tube & Eye Bolt
Courtesy of HYUNDAI MOTOR AMERICA
Remove the valve body cover (A) and breather hose clip (B).
Tightening torque: (A) 13.8 ~ 15.7 N.m (1.4 ~ 1.6 kgf.m, 10.1 ~ 11.6 lb-ft)

NOTE: Remove installation bolts in the engine room first and then remove others under the vehicle.

Fig 3: Identifying Valve Body Cover & Breather Hose Clip
Courtesy of HYUNDAI MOTOR AMERICA
Remove the bolt (3 ea) after disconnecting the solenoid valve connector (B) and the oil temperature sensor connector (A).
Tightening torque: 9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

Fig 4: Identifying Solenoid Valve & Oil Temperature Sensor Connectors
Courtesy of HYUNDAI MOTOR AMERICA
Remove the valve body assembly (A).
Tightening torque: 9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

Fig 5: Identifying Valve Body Assembly
Courtesy of HYUNDAI MOTOR AMERICA
Disconnect the input & output speed sensor connector (A).
Remove the input & output speed sensor (B) after removing the bolts (2 ea).
Tightening torque: 9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

Fig 6: Identifying Input And Output Speed Sensor & Connector
Courtesy of HYUNDAI MOTOR AMERICA