Date: Tue, 1 Jul 2003 14:05:38 -0400
Reply-To: Jay L Snyder <Jay.L.Snyder@USA.DUPONT.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Jay L Snyder <Jay.L.Snyder@USA.DUPONT.COM>
Subject: Re: Advance Auto AC recharge kit
Content-Type: text/plain; charset=us-ascii
So you have no idea exacts what's in your system?
Thomas Brobst <TJBROBS@ACCUSORT.COM>@gerry.vanagon.com> on 07/01/2003
01:52:59 PM
Please respond to Thomas Brobst <TJBROBS@ACCUSORT.COM>
Sent by: Vanagon Mailing List <vanagon@gerry.vanagon.com>
To: vanagon@GERRY.VANAGON.COM
cc:
Subject: Re: Advance Auto AC recharge kit
Yes it's simple, just follow the directions.
But, since you asked, here's how it works.
First and foremost wear safety glasses.
As easy as the conversion is I'm paranoid about blowing a hose. A coworker
of mine has a blown ac hose on his desk and I'm always hearing about how
his mechanic blew it up (with R12). Fortunately I haven't had the same
problem.
The kit (from InterDynamics) includes a filling hose with a valve on one
end and a quick release chuck on the other, three cans of combination
charge, oil and stop leak and adapter valves. You screw these adapters on
over the existing valves as part of the conversion. This prevents mixing up
R12 and R134 down the road. These valves are like tire valves only a tad
larger. On my 91 I only changed the one on the back of the compressor. I
couldn't find the other one and was too lazy to really look for it. I
suspect it's up in the ceiling somewere. (Anyone know?)
Before you put the adapter(s) on determine if your system is empty. If your
compressor clutch doesn't engage when you turn on the AC it's probably
empty. (The clutch should kick in by itself when you charge it up). To make
sure it's empty use a Phillps screwdriver or similar implement to depress
the pin on the valve at the back of the compressor (with the engine and ac
running). If nothing comes out it's empty. If it does then you'll have to
take it to a shop so it can be sucked out. If it's not empty please don't
empty it into our atmosphere, thank you. But we're van people..we'd never
do that.
To charge the system start the engine, put the ac on full blast. Now screw
the end of the hose with the valve onto one of the cans and turn the valve
handle CW all the way to pierce the can. At the other end, pull back the
sleeve of the QC chuck and slide it over the newly installed adapter on the
valve at the rear of the compressor. Push and release the sleeve. Tug on it
to make sure it's secure. Turn the valve on the can fully CCW to release
the charge. Hold the can upside down and shake it vigorously. (At this
point I envision my friend's hose blowing up so I stand with my body on the
opposite side of the van side-wall). You'll feel the can get lighter and
colder. When it feels empty pull back the sleeve on the QC connector to
release. A little hissing from the can/hose may result. If it continues for
more than a few seconds it's not empty. Reattach it and continue. If
necesary you can shut the valve on the can to stop it's discharging.
Repeat with the two additional cans. Now go feel the ice cold air blowing
from the vents. Ahhhhh!
If you want they also sell a reasonalby priced tire valve style pressure
gauge to double check your system pressure. I bought it but only used it
the first time.
That's it. Good luck.
Disclaimer: Please be careful, don't get hurt. If you don't have the
confidence don't do it just cause I said it was easy.
Thomas Brobst
Accu-Sort Systems, Inc
Staff Mechanical Engineer
215-721-5061
fax 215-799-1600
If we knew what it was we were doing, it would not be called research,
would it? -Albert Einstein
>>> "Samuel L. Walters" <samuel.walters@verizon.net> 7/1/03 >>>
Thomas,
I have seen the same kit at my local Advance Auto, but had not bought it
yet. When I get the suspension fixed on my Syncro and a new accelerator
cable in, making it derivable again, AC is high on my list.
Is the kit simple, as in just follow the directions? Does it require
any special tools, etc.? Perhaps you could write up a short "here is
how to do it" and post it to the list. Many of us have the same
situation and can get this kit easily.
Thanks,
Sam
--
Samuel L. Walters
Attorney at Law
GIS and Demographic Consultant
Mediation and Alternative Dispute Resolution
2636 N. Calvert St.
Baltimore, MD 21218
410-235-3086 (voice/fax)
410-598-6068 (cell)
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