Possible reasons why a contract automatic transmission kicks:
1. Incorrect installation:
* Incorrect installation of the automatic transmission, discrepancy between the engine torque and the automatic transmission.
* Incorrectly configured gear selector.
2. Problems with hydraulics:
*Low transmission fluid level.
* Clogged oil filter.
*Hydraulic pump malfunction.
* Wear or damage to hydraulic components (solenoids, valves).
3. Problems with mechanical parts:
* Worn or damaged clutches, steel discs.
* Faulty torque converter.
* Differential malfunction.
4. Electrical problems:
* Malfunction of sensors (selector position sensor, speed sensor) that transmit information to the automatic transmission control module.
* Malfunction of the automatic transmission control module.
5. Other reasons:
* Incompatibility of automatic transmission with the car.
* Wear or damage to transmission components associated with automatic transmission (propeller shaft, drives).
Diagnosis and elimination:
1. Check the transmission fluid level: Make sure the fluid level meets the requirements specified in the owner’s manual.
2. Replace the oil filter: A clogged filter can cause insufficient fluid pressure.
3. Check electrical connections: Make sure that all sensors and the automatic transmission control module are connected correctly.
4. Make sure the automatic transmission is compatible: Check that the installed automatic transmission is compatible with the model and year of manufacture of your car.
5. Contact a Professional Mechanic: If you are unable to diagnose and fix the problem yourself, contact a certified automatic transmission mechanic.