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: Lane Keeping Assist Operation
Turning Lane Keeping Assist On/Off
With the ignition switch ON, press and
hold the Lane Driving Assist button
located on the steering wheel to turn
on and off. The white or green
indicator light illuminates on the
instrument cluster when the function is
on.
Press and hold the butt ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Low Tire Pressure Position and
Tire Pressure Telltale
TMPS is not a substitute for manually
checking the tire pressure with a tire
gauge. Changes in temperature affect
tire pressure. Refer to "Check tire
inflation pressure" in the Maintenance
chapter for proper tire inflation and tire
pressure measurement procedure.
When the tire pressur ...
