Hyundai Elantra MD/UD: Removal - Output Speed 
Sensor. Repair procedures - Automatic Transaxle Control System - Automatic Transaxle System - Hyundai Elantra MD 2010-2015 Service manualHyundai Elantra MD/UD: Removal

1.
Disconnect the negative (-) battery cable.
2.
Remove the air cleaner assembly and air duct.
(Refer to Engine Mechanical System - "Intake and Exhaust system")
3.
Remove the under cover (A).

Tightening torque:
6.9 ~ 10.8 N.m (0.7 ~ 1.1 kgf.m, 5.1 ~ 8.0 lb-ft)

4.
Replace new gasket and the plug after draining the automatic transaxle fluid by removing the drain plug.
(Refer to Hydraulic System - "Fluid")
5.
Remove the air breather hose (A).
6.
Remove the valve body cover (B).

Tightening torque:
13.7 ~ 15.7 N.m (1.4 ~ 1.6 kgf.m, 10.8 ~ 11.6 lb-ft)

Remove installation bolts in the engine compartment first and then remove others under the vehicle.

7.
Remove the plate and the detent spring (B) after removing the bolt (A).

Tightening torque:
11.8 ~ 15.7 N.m (1.2 ~ 1.6 kgf.m, 8.7 ~ 11.6 lb-ft)

8.
Remove the bolt (3ea) 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)

Be careful not to damage the harness lock connector.

9.
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)

10.
Disconnect the input & output speed sensor connector (A).
11.
Remove the input & output speed sensor (B) after removing the bolts (2ea).

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


Inspection
1. Check signal waveform of Input & output speed sensor using the GDS. Specification: Refer to "Signal Wave Form" section. ...

Installation
1. Installation is the reverse of removal. After replacement or reinstallatio ...