Hyundai Elantra (CN7): Driveshaft and axle / Troubleshooting
| Troubleshooting |
|
Symptom
|
Expected cause
|
Countermeasure
|
| Leaning phenomenon of vehicle | Defect on front suspension and steering. | Adjust or replace |
| Wheel bearing burning | Replace | |
| Vibration | Over abrasion, separation, damaged or bended on drive shaft | Replace |
| Wheel bearing separation | Replace | |
| shimmy | Inappropriated wheel balance | Adjust or replace |
| Combination of front suspension and steering | Adjust or replace | |
| Noise | Over worned out, damaged or bended | Replace |
| Noise on connecting part of drive shaft and hub while driving straight, back or curve (Clicking or Creaking noise) | Adjust hub nut fastening or replace inner washer | |
| Noise from inner side of shaft while driving curve (Repeated tapping noise) | Replace | |
| Friction noise on drive shaft boots (Sticky noise) | Clean and apply fluorine lubricant | |
| Damaged or burnt of drive shaft damper (Booming noise) | Replace damper kit | |
| Hub nut has got loosen | Adjust | |
| Trouble on the front suspension and steering | Adjust or replace | |
| Disk fixing bolt has got loosen | Adjust | |
| Noise on wheel bearing while driving (Whir noise) | Replace | |
| Wheel bearing has separation, contacted surface of flange burnt | Replace | |
| Leakage | Leakage of grease on drive shaft boots (partial parts replacement when inboard side boots has leakage) | Replace |
| Rust | corrosion on nonpainting area (Not a problem for functioning) | Explain to customer it is normal |
| ABS warning lamp illuminated | Loosen assembly on wheel bearing sensor and sensor cable | Adjust |
| Foreign substance on wheel bearing sensor assembly area (connector) | Cleaning | |
| Communication trouble (diagnostic tool inspection and trouble code deletion) | Adjust |
Specification Engine Transmission Joint type Max.
Other information:
Hyundai Elantra (CN7) 2021-2026 Service Manual: Auto Defogging Sensor
Description DescriptionThe auto defogging sensor is installed on the front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging. The air conditioner control module receives signal from the sensor and restrains moisture and eliminate defog by controlling the intake actuator, A/C, auto defogging actuat
Hyundai Elantra (CN7) 2021-2026 Service Manual: Auto Defoging Actuator
Description and operation DescriptionThe auto defogging sensor is installed on front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging. The air conditioner control module receives a signal from the sensor and restrains moisture and eliminates defog by the intake actuator, A/C, auto defogging actua
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