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HELP question about A/C filler valve leak

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Old 04-03-2009, 07:15 PM
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Default HELP question about A/C filler valve leak

I just refilled my A/C lines and used a Dye to check for leaks, and the ONLY one I found was at the valve where you fill the r134A. I can clearly see it bubbling from inside the valve.

My question is; Can I replace the valve by itself or do I have to replace the entire line with it? where can I find the part I need Autozone, or dealer, or internet?

Also on a side note it took like 3 12 oz cans to fill it from Dead empty to about 30-35 PSI but I noticed that when I shut the motor off the pressure jumped to around 60 PSI is that normal?
Old 04-04-2009, 10:50 AM
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The pressure looks normal. I do not remember the total coolant you out AC system takes, it should be under the hood. Or Google it up.

As far as the valve, it is just a schardder valve which can be removed with a special removal tool. It will just unscrew like a the ones in your tire valve stems do.
Old 04-04-2009, 12:49 PM
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Cool, thanks I just looked it up on the auto parts store website and its like $14 but still beats what I would have paid to take it to a shop. I am going to give it a shot
Old 04-04-2009, 01:05 PM
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Well if you are talking about the shreader valve inside the line you can get a valve stem tool and tighten it. It is the same thing that is in your valve stem in your tire.
Old 04-04-2009, 01:11 PM
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Yeah thats what I am talking about, I dont know it simply tightening it would work so I will probably just replace it since it isn't that expensive.
Old 04-05-2009, 02:15 AM
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It takes 1.5 lbs for freon. 24oz. I don't think the 36oz's would be good for the system.
Old 04-05-2009, 06:40 PM
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^ That's what it was, 2 cans. . . . . I knew it was something easy.

12 extra ounces is bad though. . . . . That is way over filled.
Old 04-05-2009, 09:40 PM
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well I dont think that is has done any damage, I have been busy since I filled it, but I checked the pressure today with it running and it was right at 40-45 psi and the thing is still leaking but it has slowed down and isn't leaking as fast as the other day, as soon as I get a chance I am going to replace the valve and put two cans in it and see how it is after that.

On a side note the center guage gets down to about 55* during the day (85*) and around 45* at night when it is cooler, you never realise how nice A/C is until you dont have it!
Old 04-05-2009, 10:56 PM
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Originally Posted by Raven97
you never realise how nice A/C is until you dont have it!
I know it, I live in AZ.

AC is way up there on the list, now.

If it is possible my AC is working, like if it breaks and I could fix it, it will be done.



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