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My A/C on life support

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Old 04-06-2012, 06:19 PM
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My A/C on life support



This is the first time I've ever had to work on my A/C. My high side line started leaking at one of the crimps

I'm pulling a vacuum now I know the low side should be around 40-50 psi but what should the high side be no more than?
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Old 04-06-2012, 06:31 PM
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Glenn your bad luck is running down this way you can have it back are send it to Darin. lol
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Old 04-06-2012, 07:05 PM
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Hey Mike, I don't want it too bad, I seem to have enough of my own!

AC work I leave to someone who knows what the %^&* he is doing. Good luck with that, I'm not that person..
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Old 04-06-2012, 07:08 PM
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Your High side is going to vary quite a bit depending on how hot the air going through the condenser is. it wont go beyond what the high pressure switch is set for. The system will have stopped cooling by that time though. At 60deg F it will have a vapor pressure @ 57.5 PSIG. At 95 it will be 114 psig that doesnt include heat from compression dirty condensers and such. This chart will help you work on your A\C system successfully.

it also occurs to me that the auto store cans of 134 have a nice gauge to at least get you close so i wouldnt worry about over charging it. stick a thermometer in the vent while its charging so you can see that point when its at its coldest.
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Old 04-06-2012, 08:07 PM
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Dang mike I feel your pain. Since I've owned my truck the AC would make you put a sweater on. This year nothin. I haven't even begun to trouble shoot it yet, just like Ohio, 80 one week, 50 the next...
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Old 04-06-2012, 08:10 PM
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HS is between 110-220
LS is beteen. 25-55

My vents are getting down to 35*
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Old 04-06-2012, 08:11 PM
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In Louisiana your a unhappy camper without A/C
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Old 04-06-2012, 08:40 PM
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In Louisiana your a unhappy camper without A/C
I bet the humidity is a killer down there!
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Old 04-06-2012, 09:05 PM
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When full summer hits you can walk out the door at 5:30am and it 85* and 95% humidity
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Old 04-06-2012, 09:11 PM
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When full summer hits you can walk out the door at 5:30am and it 85* and 95% humidity
I can take the heat, but that kind of humidity would kill me. It's bad enough here!
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Old 04-06-2012, 09:12 PM
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Yea by time you get out the door and make it to your truck the sweat is starting to run down you forehead
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Old 04-06-2012, 09:16 PM
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Yea by time you get out the door and make it to your truck the sweat is starting to run down you forehead
I hope you get your A/C fixed.....if not you'll melt!LOL!!
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Old 04-06-2012, 09:17 PM
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It's fixed and blowing cold
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Old 04-06-2012, 09:24 PM
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It's fixed and blowing cold
Oh yeah.....I see that post now, missed that. Well good deal, I was starting to sweat for you!
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Old 04-06-2012, 11:54 PM
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HS is between 110-220
LS is beteen. 25-55

My vents are getting down to 35*
What were you saying about bad luck?? Looks like both of ours got better! Glad you got it fixed, I've always said that if the cruise and ac don't work they are going to be fixed right away.
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