2001 Chevy cavalier how do you changethe transmission fluid and or add fluids to it to stop hard shifting?
try changing the map sensor, that was the problem on mine.
Use Dextron II transmission fluid in it or Dextron IIE don't try to use anything else you will regret it if you do. Transmission fluids are manufacturer/transmission specific specific. If you use the wrong type or kind you could ruin the transmission permanently especially and older transmission like yours. Look in your owners manual or on the dipstick, or call a local GM shop to know for sure.
Many transmissions have fluids that are cooled using the same process that your engine fluids use - the radiator system. Transmission fluid is special in many ways. When you first start your car, the fluid is not yet warm. Many transmission systems share the cooling system with your car, so if it is running hot, your transmission fluid will suffer. It could also simply be that your transmission is low in fluids. In any case…