I brought my '87 740 GLE Volvo in to get the ac recharged. The technician said that there is a label (which says R-406a) that doesn't match the connector/ nozzle/whatever (I can't remember his exact words) type, so he didn't know which type of refigerant to use and didn't want to screw things up.
What should I do? Any suggestions would be appreciated.
Each refrigerant is {supposed} to have it's own special fittings. There are many alternative refrigerants (alternative to r-12 and r-134a) that do not have their own fittings, but that is the way it is supposed to be.
That being said.... even if the system did have the special fittings there are many shops that will not touch a system that is not charged with either r-134a or r-12. The extra costs due to having special storage containers (since they can not legally be mixed) and special disposal fees mean many will not even touch it.
Unless you want to get some more r-406a and fill your system back up, or pay a mint to have another shop deal with your converted system, then you can take the sticker off and take it to another unsuspecting shop.
Whether you feel guilty for contaminating the refrigerant supply at the shop or not is up to your conscience.
Also.... what a/c shop doesn't have a refrigerant identifier?
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