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.
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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 perpendMeasuring 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 toMeasuring 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 PrSEE MORE:
Infotainment system
NOTICE If you install an aftermarket HID head lamp, your vehicle's audio and electronic devices may not function properly. Prevent chemicals such as perfume, cosmetic oil, sun cream, hand cleaner, and air freshener from contacting tEngine Oil
Check the engine oil quality. Check the oil deterioration, entry of water, discoloring of thinning. If the quality is visibly poor, replace the oil. Check the engine oil level. After warning up the engine and then 10 minutes after theInformation
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Owner's Manual
- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual