Early signs of automatic transmission (AT) malfunction in a Toyota Corolla:
*Transmission slipping: The automatic transmission cannot effectively transfer power to the wheels, resulting in slipping.
* Gear shift delay: The transmission is delayed when changing gears or does not shift at all.
*Hard or jerky shifts: Gear shifts feel harsh or jerky.
* Vibration or noise: Vibration or noise may occur when the vehicle is driven at certain speeds or when in certain gears.
* Burnt oil smell: When used intensively, the automatic transmission may emit a burnt oil smell.
* Fluid Leaks: Automatic transmission fluid leaks can lead to low fluid levels and damage to the transmission.
More serious signs of automatic transmission malfunction:
* Transmission failure: The automatic transmission does not work at all and the car cannot move.
* Locked gear: The automatic transmission is stuck in one gear and will not shift to others.
* Limp mode: The automatic transmission goes into limp mode, limiting the number of gears and functionality of the transmission.
* Metal particles in the oil: The presence of metal particles in the automatic transmission fluid indicates internal damage to the transmission.
Recommendations for detecting signs of automatic transmission malfunction:
*Take it to a garage or qualified mechanic immediately.
*If possible, do not drive the vehicle until the diagnosis has been completed.
* Follow your mechanic’s recommendations for repairing or replacing the automatic transmission.
* Maintain the automatic transmission regularly, including replacing the fluid and filter in accordance with the manufacturer’s recommendations.