There are several reasons why an automatic transmission may kick after an oil change:
Incorrect brand or type of oil:
*Make sure you have used the correct type of ATF oil recommended for your transmission. The wrong oil can cause slippage, jerking and other problems.
Insufficient oil level:
*Check the ATF oil level to make sure it is sufficient. Low oil levels can lead to insufficient oil pressure and shifting problems.
Contaminated oil:
* New oil can stir up deposits that have accumulated in the transmission. These deposits can get into solenoids or hydraulic circuits, causing jolts and kicks.
Faulty solenoids:
* Solenoids control the flow of fluid in the transmission. Faulty solenoids can cause improper shifting and jerking.
Clutch or friction clutch wear:
*Over time, friction packs and clutches wear out, which can lead to slipping and squealing.
Faulty Shift Position Sensor (TPS):
* TPS informs the transmission control module about the position of the gearshift lever. A faulty TPS can cause erratic shifting and jerking.
Recent flush:
*If you have recently flushed the transmission, remaining debris or cleaner may cause temporary disturbances until the system is completely clean.
Recommended actions:
* Check the level and brand of ATF oil.
*Run the transmission for a while to loosen up any deposits and then check the oil level again.
* Scan the transmission for trouble codes to identify possible problems with the solenoids or sensors.
*If the problem persists, contact a qualified transmission repair technician for further diagnosis and repair.