Signs of a faulty automatic transmission:
Gear shift problems:
* Delays or slipping when changing gears
*Hard impacts when shifting gears
* No shifting between certain gears
* Extraneous sounds when shifting gears (humming, squealing, grinding)
Movement problems:
* Vibration or shaking while driving
* Slipping during acceleration
* Inability to move away or drive in the desired gear
* The car stalls when changing gears
Fluid leaks or leaks:
*Red or dark brown fluid leaking from under the car
*Low fluid level in gearbox
* Burnt oil smell
Other signs:
* Transmission fault indicator on the dashboard
* “limp mode” (emergency mode), in which the transmission shifts only one or two gears
* Increased fuel consumption
* Difficulty starting the engine
Additional diagnostic tips:
* Check the level and condition of the fluid in the gearbox.
* Inspect the transmission for leaks or damage.
*Connect OBD2 scanner to check transmission related fault codes.
*Consult a qualified auto mechanic who can perform more thorough diagnosis and repairs.
Note: A faulty automatic transmission can be a serious problem that requires professional repair. If you notice any of the above signs, contact your auto mechanic as soon as possible to prevent further damage.