Ha, it's "refrigerant"... Ok here you go -

Depends on the year of your car manufactured, one of two types of freon is being used - R12 or R134a. That is the first thing you need to find out.

For R12, it's very expensive now, above $50/can. You can't add this type of freon yourself. You have two ways to go: (1) have a shop to do for you; (2) convert it into R134a (hardware and vaccumming the old freon out completely). Latter seems a better solution.

For R134a, if you want to do it yourself, you'll need to buy a kit from parts stores if you don't have one. Adding freon is straight forward following the instruction (freon self can be bought anywhere like parts store/wal-mart...).

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• a, mistake again, is it expensive if shops do it for me? Thanks! -moving2008- ♀ (0 bytes) () 10/19/2008 postreply 08:42:25