Hyundai Tucson: 4 Wheel Drive (4WD) System / Troubleshooting
| Area of leakage occuring | Area | Type |
| ① Connecting part/under part of transfer case ② Connecting part of transmission |
| [A] |
| ① Connecting part/under part of transfer case ② Connecting part of transmission ③ Assembly part of drive shaft |
| [B] |
| Symptom | Expected cause | Countermeasure |
| Oil leakage | Oil leakage on connecting part of transfer case (①) | Adjustment or replacement, adjustment |
| Oil leakage on under part of transfer case (①) | Adjustment or replacement, adjustment | |
| Oil leakage trace on connecting part of transmission (②) | Adjustment | |
| Oil leakage at assembly part of drive shaft (③) | Adjustment or replacement, adjustment | |
| Upside down the oil seal main lip (②,③) | Replacement | |
| Pushed aside oil seal (②,③) | Replacement | |
| fallen out oil seal (②,③) | Replacement | |
| Spline abrasion (check whether spline at transmission has abrasion or not) | Adjustment or replacement, adjustment | |
| Noise | "Repeated clicking noise" noise while driving | Adjustment |
| "Repeated tapping noise" noise from under the vehicle while full turn circling | Adjustment | |
| "Clunking noise" noise when the vehicle accelerate rapidly or braking rapidly. - Spline abrasion (check whether spline at transmission has abrasion or not) | Adjustment or replacement, adjustment |
• ※ Range of "adjustment"
• Clean out the oil or trace of grease leakage
• Check whether engine or transmission has oil leakage and oil flow down or not.
• Check the parts that is related to trouble area.
Specifications
- Specifications
Tightening Torques
ItemsN.mKgf.mlb-ft
Transfer assembly mounting bolts60.8 - 65.76.2 - 6.744.8 - 48.5
4WD ECM mounting nuts9.8 - 11.81.0 - 1.27.2 - 8.7
Coupling assembly mount ...
Other information:
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Blind-Spot Collision-Avoidance
Assist Settings
Blind-Spot Safety
With the ignition switch ON, go to User
Settings > Driver Assistance > Blind-
Spot Safety (for cluster type) or Setup >
Vehicle > Driver Assistance > Blind-Spot
Safety (for infotainment system type)
from the Settings menu to select the
following:
I ...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Windshield Wiper-Washer Switch
- Inspection
1.Check for continuity between the terminals in each switch position as shown below.
SwitchSwitch positionResistance (Ω, ±3.5%)
Front wiper switchMIST330
OFF∞
INT (Auto)800
Low1800
High5700
Front wiper intermittent volumeVolume1330
Volume 2690
Volume 31310
Volume 4261 ...
