Kia Optima Manuals

Kia Sorento: Direct Electro Hydraulic Actuator Coupling Operation - Coupling Assembly - 4 Wheel Drive (4WD) SystemKia Sorento: Direct Electro Hydraulic Actuator Coupling Operation

Kia Sorento (XM, 2011-2015) Service Manual / 4 Wheel Drive (4WD) System / Coupling Assembly / Direct Electro Hydraulic Actuator Coupling Operation

Electronic Coupling
[Inactive]

[Active]

Operation Order
1.
4WD ECU receives CAN signals from the vehicle's sensors.
2.
4WD ECU calculates the necessary amount of rear-wheel torque and sends the corresponding driving current to the actuator (electronic motor and hydraulic pump).
3.
Hydraulic pressure generated by the actuator moves the piston.
4.
Friction from the piston's movement engages the clutch.
5.
Power is delivered to the rear wheels.

Direct Electro Hydraulic Actuator Coupling Description
4WD ECU processes signals from various sensors and determines the current road and driving conditions. The ECU then utilizes this information to implement precision control over the 4WD coupling...
Direct Electro Hydraulic Actuator Coupling Inspection
   All units are filled up with coupling fluid (ultra-low viscosity ATF) prior to shipping. Inspection, fill-up, and replacement of coupling fluid...
See also:

Front Driveshaft Removal and Installation
1. Remove the front wheel and tire (A) from front hub . Tightening torque: 88.2 ~ 107.8 N.m (9.0 ~ 11.0 kgf.m, 65.0 ~ 79.5 lb-ft) ...

Component Location
1. Windshield deicer relay 2. Windshield deicer switch 3. Windshield deicer 4. Deicer connector ...

Fuel Line Installation
1. Install in the reverse order of removal. ...

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