Initially used R12 . Almost impossible to get. Probably will have to change to R134
R134a
It does not use Freon as a refrigerant. It uses R134 refrigerant.
R134a
1998 Buicks use R134a freon.. Widely available at any auto parts store or Wal-mart
A 1998 Mercury would use R134a refrigerant.
R134a
never use it
R134a
A 1998 Ford Windstar would use refrigerant 134a
yea they both have the northstar engine.
There is only one type of freon, but before we go further, freon has been banned due to it's hazardousness to the environment.