bleeding the A/C - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 05-20-2004, 05:00 PM   #21
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Don't have R12.. it'* 134.. it'* just so hard to find this stuff here to buy.. and most shop won't sell it to you Crappy tire don't carry it.
*boggle*

Jeez, here in the Chicago area we just buy the stuff at Wal-Mart or any other discount outlet. I don't understand why it would be hard to get... unless you live so far north that no one has A/C up there...?
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Old 05-20-2004, 05:59 PM   #22
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Originally Posted by acg_ssei
Quote:
Originally Posted by Drifter420
Don't have R12.. it'* 134.. it'* just so hard to find this stuff here to buy.. and most shop won't sell it to you Crappy tire don't carry it.
*boggle*

Jeez, here in the Chicago area we just buy the stuff at Wal-Mart or any other discount outlet. I don't understand why it would be hard to get... unless you live so far north that no one has A/C up there...?
LMAO !!!


I wonder why its so hard too.. our wally world and crappy tire don't carry them @ all. Oh well.. still have some around ( courtesy of tamara'* dad ) so I"m ok for now..

I'm thinking that since my system has been exposed to air and moisture I heard that most of it is collected in the evaporator/condensor core.. so for $60 CAD I"m going to replace that.. and also clean the heatercore area with some non-clorinated brake cleaner while I'm @ it before the next try.. that sound like a resonable plan or am I wasting time and money? Another thing is that I know there'* a door somewhere that control between the heater and the A/C.. just wondering if that maybe stuck and not opening all the way to A/C.. how would I look / troubleshoot that area?
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Old 05-20-2004, 06:31 PM   #23
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Quote:
Originally Posted by Drifter420
I'm thinking that since my system has been exposed to air and moisture I heard that most of it is collected in the evaporator/condensor core.. so for $60 CAD I"m going to replace that.. and also clean the heatercore area with some non-clorinated brake cleaner while I'm @ it before the next try.. that sound like a resonable plan or am I wasting time and money?
I don't know how much "exposure" it'* really had and I'm not sure how urgent it would be to replace the accumulator (which I assume is what you're really referring to here; the evaporator is in your firewall and the condensor is in front of the radiator), but even if you didn't replace it, you should have an A/C shop draw down a vacuum on the system and verify that it will hold that vacuum for at least 30 minutes. That'll tell you if you have any other leaks that you've missed, and (assuming there are none) it will also draw out the atmospheric air you don't need in there.

Quote:
Another thing is that I know there'* a door somewhere that control between the heater and the A/C.. just wondering if that maybe stuck and not opening all the way to A/C.. how would I look / troubleshoot that area?
I haven't had to work on the mixing door for any reason but I assume that access to it would be from the inside. In any event, get your A/C working again first, since you know that part has to be done anyway, then see if there are any other problems.
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Old 05-20-2004, 07:18 PM   #24
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Originally Posted by acg_ssei
Quote:
Originally Posted by Drifter420
I'm thinking that since my system has been exposed to air and moisture I heard that most of it is collected in the evaporator/condensor core.. so for $60 CAD I"m going to replace that.. and also clean the heatercore area with some non-clorinated brake cleaner while I'm @ it before the next try.. that sound like a resonable plan or am I wasting time and money?
I don't know how much "exposure" it'* really had and I'm not sure how urgent it would be to replace the accumulator (which I assume is what you're really referring to here; the evaporator is in your firewall and the condensor is in front of the radiator), but even if you didn't replace it, you should have an A/C shop draw down a vacuum on the system and verify that it will hold that vacuum for at least 30 minutes. That'll tell you if you have any other leaks that you've missed, and (assuming there are none) it will also draw out the atmospheric air you don't need in there.

Quote:
Another thing is that I know there'* a door somewhere that control between the heater and the A/C.. just wondering if that maybe stuck and not opening all the way to A/C.. how would I look / troubleshoot that area?
I haven't had to work on the mixing door for any reason but I assume that access to it would be from the inside. In any event, get your A/C working again first, since you know that part has to be done anyway, then see if there are any other problems.


Condensor.. thems the word.. hooked on too much ghetto phonics.. hee hee

Now I just have to find a shop thats trust worthy to take care of my A/C vacuum and such..
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Old 05-21-2004, 11:23 AM   #25
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Now I just have to find a shop thats trust worthy to take care of my A/C vacuum and such..
I know what you mean. I had a local Goodyear place recharge mine last year, after I went in there and explained exactly what I'd done (replaced the classic Bonneville leaky evaporator) and exactly what I needed them to do: verify that there were no further leaks, then recharge with R12 if everything looked hunky-dory. So they did that and everything went fine.

But later on when I mentioned this place to other people here in town, they told me that those guys have a reputation for ripoffs or finding more things to fix than whatever the original complaint was. I'm not sure that'* true; it might be due to their just being thorough when checking out problems on a car: it'* not hard to find eight other things wrong on a typical older car besides whatever it got towed in for.

But I'd say that if you keep the shop on a tight leash, tell them exactly what you need to have done, and basically make it obvious that you understand what servicing needs be done, you should be okay.
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Old 05-21-2004, 01:34 PM   #26
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cool.. thanx.. I will ask around.. and pending on budget.. I may just let them do it all
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