Hyundai Elantra: Installation - Torque Converter 
Control Solenoid Valve (T/CON_VFS). Repair procedures - Automatic Transaxle Control System - Automatic Transaxle System - Hyundai Elantra MD 2010-2015 Service manualHyundai Elantra: Installation

1.
Installation is the reverse of removal.
Х
Adding Automatic Transaxle Fluid(ATF).
(Refer to Hydraulic System - "Fluid")
Х
Perform Transaxle Control Module(TCM) learning after replacing the valve body to prevent slow transaxle response, jerky acceleration and jerky startup.
(Refer to Automatic Transaxle Control System - "Repair procedures")
Х
Use new valve body gasket (A).