What type of freon can be used for a 1991 Geo Storm?
Would have been built for R12, can be converted to R134a.
It depends on the year of the car. From 1994 on, R134a refrigerant is used. Prior to that, they used R12 refrigerant (Freon). R134a is technically not "Freon". Be alert, however, as many older cars (like my 1986 Camry) have been retro-fitted with R134a systems, and can no longer accept Freon, as the two refrigerants are not compatible.
Source: wikipedia as a 'freon wiki' search in Google (0.08 seconds) Freon is DuPont's trade name for its odorless, colorless, nonflammable, and noncorrosive chlorofluorocarbon and hydrochlorofluorocarbon refrigerants, which are used in air conditioning and refrigeration systems. Freon was initially developed in the early 20th century as an alternative to the toxic gases that were previously used as refrigerants, such as ammonia, chloromethane, and sulfur dioxide. Freon, in this case dichlorodifluoromethane, was invented by Thomas Midgley…
R-22 (Freon 22) is used in a lot of home air conditioners. In the mid-1990s, manufacturers started switching to R-134a refrigerant. The manufacturers' data plate on the unit provides information about what type of refrigerant is used in a given installation. Manufacture of Freon 22 is being phased out and it is extremely expensive.
There was no war in 1990. Operation Desert Shield commenced in 1990; the build up of coalition forces to enforce Saddam's removal from Kuwait...if indeed that force should be used. On or about 15 January 1991, Operation Desert Storm commenced; the physical removal of Iraq from Kuwait via the use of military force. Mission completed approximately 26 February 1991; Operation Desert Storm terminated.