Possible reasons for the automatic transmission kicking when shifting:
Lack or contamination of transmission fluid
* Check the fluid level and condition.
* Replace the fluid if it is dirty or out of specification.
Solenoid malfunction
* Solenoids control gear shifting.
* Their malfunction may cause delays, shocks or slipping of the gears.
Worn or damaged friction discs
* These discs transfer power between the shafts.
* Their wear or damage may interfere with gear shifting.
Torque converter failure
* The torque converter transfers power from the engine to the transmission.
* If it malfunctions, it may cause slipping or bumping when shifting.
Problems with wiring or transmission control unit
* Faulty wiring or a faulty control unit may interfere with transmission operation.
Weak or worn engine and transmission rubber mounts
* These supports absorb vibrations and vibrations.
* Their malfunction may increase shock when switching.
How to diagnose and fix the problem
* Check the level and condition of the transmission fluid.
*Use a diagnostic scanner to check for trouble codes.
* Check the operation of solenoids and other electronic components using special equipment.
*Consult a qualified mechanic for complete diagnosis and repair.
Prevention Tips
*Service the transmission regularly as specified in the owner’s manual.
* Avoid sudden acceleration and braking.
* Be gentle when shifting gears manually.
*Use only recommended transmission fluid.