Check the Transmission for any stamped in numbers... there should be a pad with the VIN stamped into it to identify that Transmission with the car it was installed in.
There are also date codes stamped into the trans. This goes for both Auto and Manual Transmissions.
Pull the transmission dip stick and read it. It will tell you the recommended ATF for that trans.
There is only one transmission mount and it is on the very back of the trans.
A dirty or stoped up trans. filter. Trans. cooler stoped up. Run low on fluid. Are could just be worn out. The trans. pump could be bad. Time for a rebuild and if a good transmission man does it he'll tell you what happened to it.
The transmission speed sensors tell the trans computer how fast the inside parts of the trans are turning. The wheel speed sensors tell the ABS computer how fast the wheels are turning.
Dealership can tell you. There's a good chance you have the C6 transmission.
I believe its a synthetic trans fluid it should tell you in your owners manual
Do a VIN search and the VIN will tell you the original options.
If the transmission is the original in the vehicle, then the factory id tag will have codes to tell which transmission was installed. Depending on the year and type of the transmission, there will be a tag or stamp on the transmission to indicate the model.
People at the auto parts store tell me 13.5 it you rebuld trans. 13.5 or just removing trans pan and filter 7 qt.
Pull the transmission dipstick and read what it says on the stick, it will tell you what fluid it requires.
1996 metro calls for dextron 2, should tell you on your transmission dip stick
The output speed sensor tell the computer what speed the trans output is turning to know when to shift.