Dex-Cool
R134a
The type of compressor is a Generation 3 Eaton M90b. It is a roots type blower.
5.25"
36mm
65L
2.25
kindof.
in the main fuseblock
http://www.gminsidenews.com/forums/f53/98-grand-prix-change-oil-light-stuck-59318/ For a 98 but same process.
they are at the bottom corner of the radiator.
Look for it.
http://macgp.clubgp.com/howto/pcv/pcv.html