Hyundai Tucson: 4 Wheel Drive (4WD) System / Troubleshooting
| Area of leakage occuring | Area | Type |
| â‘ Connecting part/under part of transfer case â‘¡ Connecting part of transmission |
| [A] |
| â‘ Connecting part/under part of transfer case â‘¡ Connecting part of transmission â‘¢ Assembly part of drive shaft |
| [B] |
| Symptom | Expected cause | Countermeasure |
| Oil leakage | Oil leakage on connecting part of transfer case (â‘ ) | Adjustment or replacement, adjustment |
| Oil leakage on under part of transfer case (â‘ ) | Adjustment or replacement, adjustment | |
| Oil leakage trace on connecting part of transmission (â‘¡) | Adjustment | |
| Oil leakage at assembly part of drive shaft (â‘¢) | Adjustment or replacement, adjustment | |
| Upside down the oil seal main lip (â‘¡,â‘¢) | Replacement | |
| Pushed aside oil seal (â‘¡,â‘¢) | Replacement | |
| fallen out oil seal (â‘¡,â‘¢) | 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) 2022-2026 Owner's Manual: Winter Precautions
Use high quality ethylene glycol coolant
Your vehicle is delivered with high quality
ethylene glycol coolant in the cooling
system. It is the only type of coolant
that should be used because it helps
prevent corrosion in the cooling system,
lubricates the water pump, and prevents
freezi ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Outside temperature gauge
The outside ambient temperature
appears in the lower portion of the
cluster display. The temperature reads in
Fahrenheit or Celsius depending on the
units selected from the Settings menu in
the instrument cluster or infotainment
system.
The temperature indicated on the cluster
displ ...
