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  #1  
Old 06-08-2011, 05:46 PM
 
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Default Air Conditioning Refrigerant

Once the temperature went crazy hot in Chicago, I noticed that that A/C in my 2004 SS Supercharged did not blow cold air.

Here is what happened:

I had four (4) cans of twelve (12) ounces of R-134a. I put all four in the car per the instructions. I noticed that it started to get very cold towards the third can. Then when I finished with the fourth can. The motor would surge at idle and the A/C was not as cold as when I finished with the fourth can. I freaked out and I cut the bottom of a can off and hooked it up to the system and let some refrigerant go free. I have no idea hot much got out.

Bottom line is this. I learned the specification for the air conditioning is 2.4 lbs (38.4 ounces) of R-134a refrigerant. I would like to put exactly that in my A/C system. Is there a way I can empty the system and put in three (3) cans totaling 2.25 pounds (36 ounces)?

That way I would feel better about my A/C compressor that I probably tried to kill by putting in four (4) cans 3 lbs (48 ounces).
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Old 06-08-2011, 06:11 PM
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What you have done is illegal. Go to a shop and have someone do it correct and not destroy the environment.
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Old 06-09-2011, 04:03 AM
 
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ChibiBlackSheep, good looking out.

"It is illegal under Section 608 of the Clean Air Act to knowingly vent substitute refrigerants during any service, maintenance, repair or disposal of an appliance."

I was under the assumption that because R-134a does not contribute to depletion of the stratospheric ozone layer, it would be safe to vent from the system by yourself without collecting it. I was wrong. Assumptions are bad.

I am glad I asked here first before doing anything illegal. Don't worry, I didn't let enough out to violate the section because I closed the valve immediately when I got sprayed with neon green liquid (leak detection?).

I will go to a shop before the 3+ lbs of refrigerant in my system damages my compressor.

What is a ballpark amount they should charge to handle this?
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Old 06-09-2011, 07:40 AM
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Well if you are having an issue with the car where you needed to recharge in the first place, they will have to diagnose it first you could have a simple o-ring leaking and they'll repair that and fill you up and it not be expensive.

I don't honestly know a ballpark figure for you. AC repairs could be as cheap as $100 or sometimes more expensive. You could always ask them for a quote before you bring it in.
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Old 06-09-2011, 04:03 PM
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Mine cost $85 just to fill it and check for leaks, no other problems. Of course, this can vary widely. I could have done it myself at home for much less (I have the filler hose with the gauge on it) but I wanted it checked for leaks and repaired if necessary.
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Old 06-09-2011, 04:14 PM
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My system is shot, I'm going to make an appointment to get it fully checked out, I know there is a problem with it.
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Old 06-09-2011, 04:19 PM
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Quote:
Originally Posted by ChibiBlackSheep View Post
My system is shot, I'm going to make an appointment to get it fully checked out, I know there is a problem with it.
That sucks, I know I was fearing the worst (i.e. compressor failure, etc.) when I took mine in. I still felt fortunate paying the $85. It is a trusted, small private garage. They're having me bring it back next week to double-check for leaks.
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Old 06-09-2011, 05:05 PM
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Default a/c issue

what is the norm air temp to come out ur vents? on recirc its about 42 or so.and i live in the st. louis area. its been hot here! also where is the low side so i can put 134 a in it if i need it?
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Old 06-09-2011, 05:16 PM
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I wanna say the AC system is good for like 20-30 degrees below ambient.
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Old 06-09-2011, 05:22 PM
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ok. where is the low side at? 2004 3.8 non s/c.
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Old 06-09-2011, 05:22 PM
 
 
 
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03, 2000, ac, amount, carlo, condensor, freon, holds, manny, monnte, monte, needed, pound, pounds, refrigerant


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