Mikel1871

Ok title is kinda misleading , I know what the A/C is and where just need to know what I have to look for in order to check if it has been swapped to R134a or if is still R12. its getting that time of year and a recharge is needed (dont believe it has been done in a few years) I have and can do this myself but as you all know R12 is like bigfoot, its there you just find it too often(i guess). So what is it I need to look for as indicaters to a change?
Thanks for the help in advance....

lftd_86_yota

You will see the adapters on both the high and low pressure side. If you buy a can of R134a and you have not been converted your fittings will not accept the refrigerant. R12 is big bucks, as I called shops for a charge before converting my old runner. Good luck.

Mikel1871

Ok if the fittings have been swapped them it would be safe to say it been converted(R12 pumped out and changed to R134a etc.) cause it does blow some cold air just not for long kinda goes cold, warm, repeat...I would rather not take it too a shop unless no other option or testing is open.

lftd_86_yota

We would like to tell ourselves that. But being a 20+ year old runner I'm sure it's seen quite a few hands under the hood. Chances are YES. But you know as well as I do that some people should not be doing such things and may've gotten "confused" but let's just assume that you're good to go and top 'er off. Good Luck!! keep us posted.

jason191918

your description does sound like a low charge issue.

like someone else said, check the service valves. if they are schraders, you have R12. If they are the push on type where the cap is actually a male thread and the valve is a femal thread, than you have R134a. The EPA requires you to change the valves if you convert, so this should be the easiest and surest way to confirm one way or the other.