Hyundai Tucson: Coupling Assembly- Installation
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Wheel Drive (4WD) System / Coupling Assembly / Coupling Assembly- Installation
- To install, reverse the removal procedures.
WARNING
- Smear the splines (A) with molybdenum type high pressure grease.
- When install the coupling, be careful not to damage the oil
seal (B).
- After replacing the coupling, reset the 4WD ECU's clutch learing using
the diagnostic tool.
(Refer to 4WD Control System - "Repair procedures")
Description
The 4WD ECM controls the Pump Motor Pump (Actuator) to generating an oil pressure. The pressure engages a multiple disk clutch to transfer torque to the rear wheels. The torque to the rear wheels varies according to the pressure on the clutch.
Circuit Diagram
Inspection
WARNING
If you have trouble code related to the oil hydraulic motor (actuator), check oil hydraulic motor (acmator) according to the inspection process.
READ NEXT:
Oil Hydraulic Motor (Actuator) Inspection Procedure
Removal
Remove the coupling assembly.
(Refer to 4 Wheel Drive (4WD) System - "Direct Electro Hydraulic Actuator
Coupling")
Keep going perpendicular state after remove the coupling assembly.
WARNING
Keep going perpend
Measuring the resistance of the pressure sensor
Turn ignition switch OFF.
Disconnect the pressure sensor connector.
Measure resistance between sensor terminal and terminal.
Check the measured resistance. (Refer to table)
Table 1
Removal
Remove the coupling assembly.
(Refer to
Measuring the resistance of the pressure sensor- Adjustment
Adjustment
Description
The friction material inside the coupling will degrade over time. Therefore,
corresponding compensation values must be referenced
and entered after replacing the controller or the coupling.
Compensation Requirement and Pr
SEE MORE:
Exterior Bumper Antenna
Disconnect the negative (-) battery terminal.
Lift the vehicle.
Disconnect the antenna connector (A) from the rear bumper.
Remove the antenna (B) after loosening mounting nuts.
Buzzer
Disconnect the negative (-) battery terminal.
Intake actuator
Components
Intake actuator
Inspection
Turn the ignition switch OFF.
Disconnect the intake actuator connector.
Verify that the intake actuator operates to the fresh air position when
connecting 12V to terminal 3 and grounding ter
Information
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