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Author Topic: Car A/C  (Read 1565 times)

niteowl

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Car A/C
« on: July 29, 2010, 06:03:08 pm »
What's this about replacing R134a with 12a?

My '10 Civic has R134a. What does it mean? Do I have to get it replaced? and if so do I pay for it?
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Offline tpl

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Re: Car A/C
« Reply #1 on: July 29, 2010, 09:06:35 pm »
I think its the other way around. R12 ( Freon) was the original refrigerant invented by DuPont. R134A is the newer one that is less harmful to the atmosphere.
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Offline No H2O

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Re: Car A/C
« Reply #2 on: July 29, 2010, 09:45:50 pm »
Your car is new. Do you have a problem with your A/C? If so, its covered under warranty.

You don't change or replace freon like you do an oil change. As mentioned above, the R12 was used before they switched to R134a in around the early 90s.

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niteowl

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Re: Car A/C
« Reply #3 on: July 30, 2010, 02:17:10 am »
I guess I read wrong on the Crappy Tire flyer. It looked like it said that 12a was replacing R134a
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niteowl

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Re: Car A/C
« Reply #4 on: July 31, 2010, 05:26:42 pm »
So is 12a better than R134 and R12?
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Offline tpl

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Re: Car A/C
« Reply #5 on: July 31, 2010, 05:49:12 pm »
R12a suppposedly can replace either R12 or R134a.   Trouble is R12a is flammable as it is a blend of Propane and Butane. I don't know if R12a is approved in Ontario for automotive use even if it is I'm sure that only a licenced A/C tech may fill the system with it.

Later:  R12a is not illegal to use in Ontario but both the feds and the Province recommend against its use 'cos of its flammability. 
« Last Edit: July 31, 2010, 08:49:00 pm by tpl »
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Re: Car A/C
« Reply #6 on: July 31, 2010, 09:30:28 pm »
I believe the advantages are that it tends to leak less and cool better than R134a, plus it is available in do-it-yourself kits.

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Offline No H2O

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Re: Car A/C
« Reply #7 on: August 02, 2010, 10:53:22 am »
Quote from: niteowl on July 31, 2010, 05:26:42 pm
So is 12a better than R134 and R12?

You still haven't said what the problems are with your A/C, if you are even having problems.
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niteowl

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Re: Car A/C
« Reply #8 on: September 19, 2010, 01:57:04 am »
There is nothing wrong with the AC I just looked up what the ac unit contains and I though it said that it was being banned and how Crappy Tire was advertising about the new refrigerant R12a.
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Re: Car A/C
« Reply #9 on: September 19, 2010, 09:46:56 am »
Quote from: niteowl on September 19, 2010, 01:57:04 am
There is nothing wrong with the AC I just looked up what the ac unit contains and I though it said that it was being banned and how Crappy Tire was advertising about the new refrigerant R12a.

In any case, if your system needs to be topped up due to a very slow leak, you can buy R134a south of the border in cans for under $10. There are R134a equivalent products up here as well.

It beats being raped at the local dealer.
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