It does not contain R-12 Freon. It contains R-134a. How much depends on what is in there now. Take it to a professional shop for charging, as there is more to it than just adding refrigrant.
4.5 quarts
5 quarts
no
No.
The 1998 Chevrolet 2500 pickup truck has a Freon capacity of 5.5 pounds. You should never overfill the Freon in your cooling system.
No.
20.0 gallons on the 3-door 1996-2000 models. Not sure on 4-door.
There isn't a vacuum line going to the regulator on a 1998 Dodge Caravan.
No. A 1998 Dodge does not have a reset button or kill switch.
24oz.
R134a
will a 1999 voyager brain work for a 1998 dodge caravan