It does not contain any Freon.
No, it will not interchange.
Refrigerant is added through the low side service port.
No, the years have to match.
NO
Yes there is no difference in the two years 2001 was a carry over from 2001.
where do you put freon in on a 2000 gmc jimmy
Should be a filler plug at side of transmission
The same place you check the fluid level.
read sticker on A/c unit should be there Rick ASE L-1 MAster TransMichigan.com
Yes. You can put a hitch on a Dodge Neon.
It gets added to the master cylinder located drivers side of the firewall