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Registered
Join Date: Oct 2005
Location: Idaho
Posts: 2,356
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Proper/responsible way to drain auto AC system?
Hi -
I am working on an FJ55 that has been sitting for close to 15 yrs. - trying to bring it back to life. It has an AC system that I'd like to remove, which is something I've never messed with before. I'm assuming there might be a proper "responsible" way to drain whatever is left in the system - isn't the stuff in there pretty bad? I thought I'd ask before I started unhooking lines and draining whatever's left (if anything) into a bucket to either dump in the gravel behind by house or down the drain. . . Just curious, Thanks, Tom
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'74 911 Red Sunroof Coupe, 3.6L, etc... '76 912 Yellow SPEC 911/911CUP |
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12-09-2011, 01:17 PM
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Did you get the memo?
Join Date: Mar 2003
Location: Wichita, KS
Posts: 32,317
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You're supposed to vacuum it into a recovery tank, which requires specialized tools. Odds are the freon leaked out years ago, I wouldn't mess with it. Just tear it out.
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12-09-2011, 01:40 PM
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RETIRED
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In Idaho? You'll scare the sheep.
On a 74, the freon is deader than Jimmy Hoffa.
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1983/3.6, backdate to long hood 2012 ML350 3.0 Turbo Diesel |
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12-09-2011, 02:16 PM
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AutoBahned
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you capture it and recycle
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12-09-2011, 03:49 PM
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Dog-faced pony soldier
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Just vent it. I'm fine with more global warming - its down in the 30s here! Get to changin that!
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A car, a 911, a motorbike and a few surfboards Black Cars Matter |
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12-09-2011, 03:58 PM
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AutoBahned
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ozone
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12-09-2011, 04:02 PM
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UnRegistered User
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Spin off a safety cap and depress the schrader valve with your thumbnail and see if there is any pressure there. Don't get it in the eye ( the refrigerant).
As was said before, it is probably flatter than piss on a pancake but make sure before ripping into it. If (that is a big IF) there is refrigerant, the right thing to do is to pull it out ( the refrigerant) with a recovery unit for disposal.
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Bill K. "I started out with nothin and I still got most of it left...." 83 911 SC Guards Red (now gone) And I sold a bunch of parts I hadn't installed yet. |
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12-09-2011, 07:42 PM
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Dog-faced pony soldier
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Yeah - a bigger ozone hole will help (CFCs) but what'll REALLY help is more greenhouse gasses - take those cats off and rev em up boys! I might go down to pep boys tomorrow and buy a few cans of r134 to use as target practice off the back porch. I want to see palm trees sprouting up in the next three years! Let's all do our part!
As a real bonus if we can get the sea levels up about 15-20' l'll be happy as that'll get the coast a heck of a lot closer to me (Im a few miles inland currently). That'll help my property values. More HCFCs fo' me pleeze!
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A car, a 911, a motorbike and a few surfboards Black Cars Matter |
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12-09-2011, 08:28 PM
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Registered
Join Date: Jan 2007
Posts: 11,758
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Whatever you do, don't be breathing the stuff.
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12-10-2011, 02:58 AM
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Da cab
1983 Porsche SC
