External signs:
* Hum or howl when driving, especially when turning.
* Transmission vibration when accelerating or braking.
* Oil leak from differential.
Internal signs:
* Difficulty shifting gears.
* Grinding or knocking noise when shifting gears.
* Wheel slipping at different speeds.
* Uneven distribution of torque between the drive wheels.
* Burning or smoke smell coming from the transmission.
Other signs:
* Reduced fuel consumption.
* Increased acceleration time.
* Deterioration of handling when cornering.
Additional clarifications:
*Symptoms may vary depending on the extent of damage to the differential.
*Severe damage may result in complete loss of movement.
*The differential can become damaged due to wear, lack of maintenance, excessive loads or manufacturing defects.
* Diagnosing and repairing a broken differential requires special tools and knowledge, so it is recommended to contact a professional repair shop.