nixadm

I've been trying to fix my ac system.. it hasn't worked in about 3 years.. so I got one of these bottles of r134a and its got "stop leak" which I think I have a leak..

anyway, I tested the pressure and there was some pressure, i think about 20psi, but when I felt the tube it wasn't cold untill I added some freeon(134 stuff)

and it helped its, kinda cold but I think if I could let all that bad freeon out and just refill from scratch it would be better, can I do this without hurting anything?

when im refilling just start it up and turn it on full with nothing in it then fill up? compressor will start when the psi gets right?

thx

Frozen E

I've stated this in NUMEROUS "I don't know what I'm doing with AC but I want to do this myself" threads.....take it to a shop. You have neither the know-how or the proper tools to do this the right way. AC charging isn't a guessing game. Trust me on this. I'm tired and don't want to explain. Just take my word for it. 8 years in the HVAC business speaking here.

nixadm

I don't have money for a shop

Frozen E

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by nixadm &raquo;</TD></TR><TR><TD CLASS="quote">I don't have money for a shop</TD></TR></TABLE>

Then you don't need AC.

nixadm

Its 90+ degree's out,

I would prefer AC

Frozen E

Damn you then take it to a shop. Like I said, you have neither the tools and obviously not the knowledge to do this yourself. It shouldn't cost you more than a couple hundred bucks TOPS to get your AC up and running.

nixadm

just cause you don't know the answer doesn't mean you have to feel ok by telling me to go to a shop like you would. I could get the answer and get my AC fixed myself for under $20

Anyone else ever flushed their ac system? thanks

Frozen E

Ok assclown....
AC system. Hasn't ran for 3 years, right? More than likely you have leaky seals, and there's a good chance you lost your charge. Leaky seals have to be replaced otherwise your new charge is going to leak out too. Have the know-how to replace shaft seals on a compressor? Nope. Maybe you have a leak somewhere else? You need a sniffer to find the leak. Have one? Nope. Your filter dryer needs to be changed because more than likely it's saturated with moisture and going to be useless. Suppose you DO find the leaks and replace the dryer yourself you have to charge the system with dry nitrogen (more than likely not something you have readily available) and then use a vacuum pump (again, not something you have) to pull your system down into at LEAST a 29"HG vacuum. Repeat the nitrogen charge/vacuum process 2 more times.
THEN it would be a pretty good idea to pump in the proper amount of oil so your compressor doesn't lock up on you. Do you have an oil pump? Nope. Or you could use the vacuum you have on the system to simply suck the oil in. Something I personally do all the time when if I ever need to charge oil into a system that doesn't have a charge on it.
Then here's the fun part. Charging the refrigerant into the system. Do you have gauges? Nope. Good idea to have those because I've seen people overcharge their AC's and actually have little pinholes blown into their condensers because they bought the "Do it yourself" kits and didn't know what the hell they were doing.
Anyway, hope that explains why you take your car to a shop. But since I don't know **** I guess you can take this with a grain of salt and take a stab at it with your DIY 134A cans. Good luck.

nixadm

thats not all wrong with my car, why do you gotta be such a dick.

alot of people on here are DIY, aren't you? when you can?

I have gauges

If you know about ac's then you could just answer the question

Frozen E

Because if you're LOW on refrigerant it LEAKED out. You have a LEAK. Refrigerant doesn't go BAD. You don't USE UP refrigerant. You need at LEAST a vacuum pump and a cylinder of nitrogen to do the job. You can half *** it by using the old dryer and you can GUESS how much oil you need to put in but then don't come in here complaining that your DIY AC job is now fucked.

Also not to be more of a dick but you're supposed to be certified to work on AC systems. If for some freaky reason you get caught working on it without a certification it's a $25,000 fine from your friendly Environmental Protection Agency.
I'm going to bed.

nixadm

the can of r134a that i was using comes with leak stop and oil

its sold in public stores for anyone to use you don't have to be certified..

murmur9

ya, i was living in FL about a month ago, i did my swap at a friends house down there, i got the do it yourself kit from walmart to charge my A/C after my new motor was in.
WORKS FINE! I dont see why the **** they would sell refrigerant in WALMART if it was illegal to have any uncertified person work on an AC, wouldnt they want to see your credentials. dumb ****....

If thats the case....Im going to WALMART to pick me up a pound of that purple haze DRO and get as high as i can...

specv5150

Damn all you guys shut up. Arguing like little girls.

Releasing that **** into the atmosphere is illegal but so is alot of stuff people do so who cares. When I did a swap i let the **** go. Instead of asking, just go do it. You have the kit, stab at it. IF it doesnt work THEN ask questions or take it to a shop.

v4lu3s

i bet you will fill ti up and it will work for a bit. then it will fail, most likely the compressor will go. at that point you will be truely fucked since a new one is not cheap. or you can pay a shop to pull a vacuum. have them check for leaks. and then you can repair and replace the parts, then ahve them vacuum and charge it.
i have the gauges nad vacuum pumps, but i prefer to let a shop charge teh system since they tend to know exaclty how much to put without having to guess in anyway about it.

you have a leak and have air in teh system, ifyou dont get hte aiur and moisture out the dessicant bag in the dryer could mroe easily fail and spew its guts through the entire ac system....and if that happens its a lot of work to take it all out and clean it up. i pulled my entire system and repalced every o-ring and cleaned it all out last spring, then assembled it and had a shop finish it. it still cost me about $150 in parts and $150 at the shop but it works better than it did brand new and its cheaper than the 3 compressors i went through before that trying to do it all myself.

blykins

Roll down your windows if you want A/C.