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Any one know anything about A/C?
Yes Freeze 12 is what you are talking about.
-----Original Message-----
From: scirocco-l-bounces+dagnamit=gmail.com@scirocco.org
[mailto:scirocco-l-bounces+dagnamit=gmail.com@scirocco.org] On Behalf Of
Brian Haygood
Sent: Sunday, June 19, 2005 2:37 AM
To: fahrvegnugen@cox.net; scirocco-l@scirocco.org
Subject: RE: Any one know anything about A/C?
If R-134a causes corrosion in general, why are you only seeing A4 cars with
this? VW has been using 134a since '95 (my Passat, for example), and that's
about the only thing on the car that hasn't been fixed. Sounds like a
problem with a particular type to me - maybe a corrosion problem, even one
that wouldn't have happened with R-12, but doesn't sound like a blanket
problem with 134a cars. How's that for a runon sentence!
Isn't there a direct replacement for R-12 out now? I thought I had seen
something that you can throw in your R-12 system that is as cheap as R-134?
Am I dreaming?
BH
--- On Mon 06/20, David Utley < fahrvegnugen@cox.net > wrote:
From: David Utley [mailto: fahrvegnugen@cox.net]
To: sukchew@cox-internet.com, timjmcconnell@gmail.com,
Scirocco-l@scirocco.org
Date: Sun, 19 Jun 2005 23:31:53 -0500
Subject: RE: Any one know anything about A/C?
Well, I have to disagree... The two core buyers that come by looking
for<br>compressor cores and I agree, compressors were much more likely to go
to<br>shiesse when R134 was introduced. It is something about when moisture
gets<br>into the mix with R134 and its oil, it becomes corrosive. What's
more is<br>the compressors have to run at MUCH higher head pressures (50%
IIRC), and<br>the condensors and evaporators are not the same. They will
each work in<br>their conterparts systems, but not as well since they were
not designed<br>to...<br><br>I can't find the link with a lot of specific
evidence that demonstrates<br>R134s faults, but I did find a few with 'R134'
& 'Corrosive' under a search<br>on Google...<br><br>BTW, I should mention
that the compressors I mention, nearly all are Sanden.<br>Also, most of
these AC systems have not been touched since new. Approx. 10%<br>had their
clutches shear away and go dancing down the road. To me, all this<br>spells
corrosion...<br><br>HOWEVER, I will try to find that
link...<br><br>David<br><br>-----Original Message-----<br>From: Chuck Blue
[mailto:sukchew@cox-internet.com]<br>Sent: Saturday, June 18, 2005 12:53
PM<br>To: David Utley; Timbo; Scirocco list<br>Subject: Re: Any one know
anything about A/C?<br><br>I can't believe you replaced 250 compressors
because the had R134 in the<br>system.There must have been some other
reason.<br> I am not a AC expert but my experience with daily work on
recovery<br>machines has not borne out your statement.<br>If the AC system
is properly set up and charged R134 will work as good as<br>R12 with the
possible exception of cooling at idle.If your AC is making cold<br>air it
don't matter what is in the system.<br>my .02 worth.<br>ole
blue<br><br>----- Original Message -----<br>From: "David Utley"
<fahrvegnugen@cox.net><br>To: "Timbo" <timjmcconnell@gmail.com>; "Scirocco
list"<br><Scirocco-l@scirocco.org><br>Sent: Sunday, June 19, 2005 12:01
PM<br>Subject: RE: Any one know anything about
A/C?<br><br><br>><br>><br>><br>> -----Original Message-----<br>> From:
scirocco-l-bounces+fahrvegnugen=cox.net@scirocco.org<br>>
[mailto:scirocco-l-bounces+fahrvegnugen=cox.net@scirocco.org]On Behalf
Of<br>> Timbo<br>> Sent: Saturday, June 18, 2005 10:30 AM<br>> To: Scirocco
list<br>> Subject: Any one know anything about A/C?<br>><br>> Specificly - I
think there is enough there of my dealer installed a/c<br>> to make it work.
It needs to be recharged - so there's no pressure. Is<br>> there a way to
make the clutch of the compressor snap on to test it?<br>> (there's no belt
on right now)<br>><br>> Also - Will I regret going rf134a? anyone got some
r12?<br>><br>> --Timbo<br>><br>> --<br>> Put 12V to the connection you see
hanging off of it, that is the<br>> connectoin<br>> for the electro-magnetic
clutch. Be sure to get them the right way<br>> around,<br>> I dunno if it
would cause damage or not, but...<br>><br>> R134 is highly corrosive, we
replaced 250 compressors last year, and 95%<br>> of<br>> those were for A4
bodied cars. Stick with R12, there is no proof that it<br>> is<br>> harmful
to the environment except Duponts word (when they were about to<br>>
lose<br>> their patent on it)... If you are interested, I will find more
links to<br>> support my claims...<br>><br>> David<br>><br>><br>><br>>
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