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Old 12-16-2003, 09:39   #1 (permalink)
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R12 Gas. Air cond.

After going all last summer without (cold) air conditioning and being under the impression NO PLACE has R12 left (old gas for those not in the know), Ford trying to convince me to go to 134A (newer gas) "that's the only way you'll have cold air"
I finally found an Auto Elec that has R12, Needless to say I'm happy now as the EA is cool :) and Adelaide has a week of +36c temp. (40c today)

Cost $188 for Full re-gas, pressure test system and add a shot of dye to test for leaks, dye shows under UV light (again for those that don't know)

-Disclaimer, had to add the "for those that don't know" parts cos there was a time where i knew sweet nothing about air cond stuff and would have let ford do the full changeover they said i "had to have done".
Now know that not ALL the parts need to be changed anyway, just a select few.
-done with my ramblings for now.
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Old 12-16-2003, 14:43   #2 (permalink)
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Re: R12 Gas. Air cond.

You're lucky to find someone that would re-gas your system with R12, as its illegal now.

I either need to do the same thing, or get mine updated for the new gas. At the moment it is running on some other crap that doesnt work very well.
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Old 12-16-2003, 20:21   #3 (permalink)
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Re: R12 Gas. Air cond.

They advertise that they still have some left so I'm not sure if it's illegal, it was just phased out for enviromental reasons. If they have some it might aswell be in cars than in cylinders sitting in a garage.
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Old 12-21-2003, 04:29   #4 (permalink)
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Re: R12 Gas. Air cond.

Dunno about automotive air conditioning, but in other applications all that really needs changing when converting to R134A is the oil in the system as R134A is not compatible with the mineral oil used with R12. Really its probably not worth the fuss of searching out someone who has some second hand R12 lying around.
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Old 12-22-2003, 01:58   #5 (permalink)
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Re: R12 Gas. Air cond.

The oil for R134a eats away at the seals for R12, so you really need to change the seals for the conversion, they also have to fit retro-fit valves so that they can fill it.

R12 is illegal to use.

R134a is now being phased out. and being replaced with something else, unsure of what.

ER12 has been used by many places to replace R12, but it has much poorer performance than the original R12.

FR12 is apparently a much better replacement than ER12, but i can't say i have tried it to know myself.
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Old 12-22-2003, 02:50   #6 (permalink)
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Re: R12 Gas. Air cond.

ER12, thats the crap i've got

Either I'm low on gas, or it just sucks, its never worked very well, so I'd say its crap
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Old 12-22-2003, 04:06   #7 (permalink)
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Re: R12 Gas. Air cond.

greetings all
FR12 is great as a drop in alterative

regards
rod
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Old 12-22-2003, 07:09   #8 (permalink)
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Re: R12 Gas. Air cond.

Do I have to get the oil changed and seals and stuff to use FR12, or is it a direct replacement for R12 and subsequently ER12?

Anything that works better than what I already have has to be a good thing.
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Old 01-03-2004, 17:45   #9 (permalink)
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Re: R12 Gas. Air cond.

R134a needs different oil. And the oil is not applicable to old compressors.
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Old 01-03-2004, 17:58   #10 (permalink)
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Re: R12 Gas. Air cond.

FR12 is a straight replacement for R12, they made FR after ER12 because ER12 was crap. FR12 is a lot better and can use the R12 oil.
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