It gets added through the low pressure service port. It is the smaller of the two ports.
R134aR134a
R134a
Yes.
R134aR134a
It uses R134a refrigerant if that is what you are asking.
No.
1999 300m
5w30
5x114.3
It has a belt.
10W3010W30
You can find a wiring diagram for a 1999 Chrysler 300m in the vehicle's owner's manual. You can also find it at various auto parts stores.