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 Service Manual: Trunk Trim
Components and Components Location
- Components
1. Luggage tray2. Wheel house pad3. Luggage side trim4. Rear transverse trim5. Cargo screen6. Luggage board
Rear Transverse Trim
- Component Location
1. Rear transverse trim
- Replacement
• When removing wi ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Front Door Window Glass
- Components Location
1. Front door window glass
- Replacement
1.Remove the front door trim.(Refer to Front Door - "Front Door Trim")
2.Remove the front door belt inside weatherstrip.(Refer to Front Door - "Front Door Belt Inside Weatherstrip")
3.Remove the front door belt outside w ...
