Hyundai Sonata: Input Speed Sensor. Repair procedures - Automatic Transaxle Control System - Automatic Transaxle SystemHyundai Sonata: Input Speed Sensor. Repair procedures

Removal

1.
Remove the battery and the battery tray. (Refer to "Charging system" in EE group.)
2.
Remove the under cover (A).
3.
Replace new gasket and the plug after drining the automatic transaxle fluid by removing the drain plug.
(Refer to "Automatic transaxle system" in this group.)
4.
Remove the valve body cover (A) and eyebolt (B).
Tightening torque:
(A) 12.8 ~ 14.7 N.m (1.3 ~ 1.5 kgf.m, 9.4 ~ 10.8 lb-ft)
(B) 34.3 ~ 44.1 N.m (3.5 ~ 4.5 kgf.m, 25.3 ~ 32.6 lb-ft)
The gasket of the eyebolt use new one.
Remove installation bolts in the engin room first and then remove others under the vehicle.

5.
Remove the plate and the detend spring (A) after removing the bolt.
Tightening torque:
24.5 ~ 35.3 N.m (2.5 ~ 3.6 kgf.m, 18.1 ~ 26.0 lb-ft)

6.
Remove the bolt (3ea) after disconnecting the solenoid valve connector (A) and the oil temperature sensor connector (B).
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.

7.
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)

8.
Disconnect the input & output speed sensor connector(A).
9.
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)


Installation

1.
Installation is the reverse of removal.
After replacement or reinstallation procedure of the valve body assembly, must perform procedures below.
•
Continue to apply liquid gasket at application points at the valve body cover with Ø2.5mm (0.0984in.) thickness.
Liquid gasket Part name :
Threebond 1281B or LOCTITE FMD-546
•
Adding automatic transaxle fluid. (Refer to "automatic transaxle system" in this group.)

    Input Speed Sensor. Specifications
    Specification Item Specification Type Hall Effect Sensor,  2pins (Power: 9V, Signal) Operation condition -40 ~15 ...

    Output Speed Sensor. Description and Operation
    Description - Integrated one unit for input & output speed sensor - Differential current type (low: 7mA, high: 14mA) - Failsafe: 4th gear hold (D), 2nd ~ 4th manual shift (S) ...

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