can there be air in the transmission lines going to the radiator.

[squawboard]

Questions. can there be air in the transmission lines going to the radiator and if so how do you get the air out.
What is the maximum about of transmission fluid that can leak out from the transmission lines that go to the radiator( given that the lines were disconnected and leaked.
Last questions what can make the transmission light come on
Any information would be helpfull