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Old 03-11-2008, 08:57 AM   #1
94'325is
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Default Draining AC system

I have an 03' WRX and I need to replace the A/C line coming out of the compressor that goes into the condenser. How can I go about safely removing whatever refrigerant is left in there w/o harming myself, car or environment?
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Old 03-11-2008, 09:03 AM   #2
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you need to go to a shop that has the proper evacuation equipment as venting ac refrigerant to the atmosphere is against federal law. secondly, if they can save enough refrigerant, you'll save on the amount you'll have to add.
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Old 03-11-2008, 09:16 AM   #3
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The new refrigerant is supposed to be eco-friendly as is I thought? I just yanked my line once and there was little fanfare...a hiss and a little lube..that's it.

<-----probably responsible for global warming, so double check my facts
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Old 03-11-2008, 10:39 AM   #4
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Quote:
Originally Posted by Unabomber View Post
The new refrigerant is supposed to be eco-friendly as is I thought? I just yanked my line once and there was little fanfare...a hiss and a little lube..that's it.

<-----probably responsible for global warming, so double check my facts
I did the same thing, which means im going to according to the Vatican's new list of sins.
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Old 03-11-2008, 01:24 PM   #5
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Old 03-11-2008, 01:30 PM   #6
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hell with it.
been to iowa lately?
we need global warming i let out 2 cars worth this winter alone.
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Old 03-11-2008, 05:43 PM   #7
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The r-134a is environmentally safe unlike old refrigerants like r-12. Your best bet is to find a way to push the valve pin in, or some other way to achieve a slow leak, to slowly let it all out over an hour or so. If you let it out quick you might lose too much of the vital oil required to lubricate the compressor, or you might have a pressurized line come and whip you in the face...ask me how I know.

Btw if your somewhat comfortable with working on your ac system you can purchase an ac refill bottle and adapter at any auto parts store and do it yourself to save about $30. Luckily I work for an HVAC company so my yearly refills are free.
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Old 03-11-2008, 06:23 PM   #8
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it's still illegal to vent r134a into the atmosphere...but it's not like that stops most of us anyway...
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Old 03-11-2008, 08:34 PM   #9
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You can DIY as stated, but it's "best" to have a machine purge of your system. This vacuums your system to remove all the moisture and gets 9000% of the moisture and air pockets out of your system. In my area, this is $80 or so and takes 30 minutes. Most dealers can do this with no appointment as it's a set it and forget it process that can be squeezed in.
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Old 03-12-2008, 09:21 PM   #10
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Just don't overcharge the system. I blew-up the compressor in my wifes car because I didn't have a gauge. It sounded like the pistons popped right out of the side, I could feel the $ leaving from my wallet right at that moment.
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