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| jonszr1 | is there a place that i can get the right orings for a 134a change over | ||
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Senior Guru
 
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i spent most of the day . replacing the o rings ,cleaning out the, the hoses etc, . evaced the system . to 20 inches of vac . it held it for 2 hrs so i charged the system and found i had a leak at the big metal line that connects to where the low pressure cycling switch is. wtf i dont understand how can i hold vac for that long and END UP WITH A fing leak . anyone help a old fella out . ........
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Posted on: 2011/9/25 3:31
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| istter1 | Re: ia rgwew a place that i can get the right orings for a 134a change over | ||
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Elite Guru
 
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A month ago I had same problem fixed what I thought was leak and the Dam condenser had a whole in it. Replaces it and the metal line that connects to where the low pressure cycling switch was still leaking.
Someone told me 134a eats up the metal and causes problems when the seals are replaced. Don't know if that is true? My buddy fixed mine in his shop and a month later it is blowing cool not cold. Hopefully I will finish the transmission this week and the Air will still be at least cool.. If you find the right ones and can't get them up there let me know the number and I will get them to you. Good luck. Steve  |
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Posted on: 2011/9/25 3:51
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| crash | Re: ia rgwew a place that i can get the right orings for a 134a change over | ||
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Guru
 
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when you evac the a/c system you want to pull it down to as close to o as you can. evac it for about 1 hour. that way you remove the moisture from the system. by doing so you decrease the chances of corrision in the system which causes the metal to get poress. then you have leaks. also when you open the system id recommend replacing the drier. moisture is a a/c sytems worst enemy. also recommend replacing the oriface tube.
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Posted on: 2011/9/25 11:23
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| joeld | Re: ia rgwew a place that i can get the right orings for a 134a change over | ||
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Most NAPA stores have a kit with all the O-rings required, also Advance has about the same. If not, these folks have everything you need.
Joel http://www.ackits.com/c/oringkit/HNBR ... Neoprene+O-Ring+Kits.html |
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Posted on: 2011/9/25 13:27
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| PLRX | Re: ia rgwew a place that i can get the right orings for a 134a change over | ||
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agree, I used few of those and had no issues. They sell all over the place. |
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Posted on: 2011/9/25 15:59
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| jonszr1 | Re: ia rgwew a place that i can get the right orings for a 134a change over | ||
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Senior Guru
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the problem is when i pulled off the top big line that comes out of the car there was 2 orings on it so i dont know what the correct size is .and i still dont know why it leaked when i had the system under vac for 24 hr an it held 20in of vac the whole time
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Posted on: 2011/9/29 16:12
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| istter1 | Re: ia rgwew a place that i can get the right orings for a 134a change over | ||
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Did you figure it out yet?? Steve |
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Posted on: 2011/10/1 2:04
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| jonszr1 | Re: is there a place that i can get the right orings for a 134a change over | ||
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no been so busy at work lately, just trying to keep the doors open .need to find where i can get the correct sizing for orings . and cant seem to make any headway. e3ven the local dealer couldnt tell me ???????
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Posted on: 2011/10/1 18:33
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i have a blast playing with my 4 babies 2 zr1s and 2 mustangs 68 coupe with a jon bennit 408 art car fully rollered c4 with a gearvendors over drive .88 mustang built by my kids with a ported lt5 and a bill boudreau blue printed zf 6 spd. with these 4 ... |
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| helphos | Re: ia rgwew a place that i can get the right orings for a 134a change over | ||
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Just a guess- Holding vacuum is different than holding pressure. Not much comfort, because I'd be thinking the same thing, but it seems like the vacuum would test the seal on the 'other' side of the O-ring from the side that deals with pressure. I saw that you replaced the o-rings, but maybe missed one. Murphy's law in action!! the lesson for all of us is- replace all the o-rings if you can, and don't trust the ability to hold vacuum to be a predictor of ability to hold pressure. |
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Posted on: 2011/11/13 16:02
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