R-134a conversion: a success!

[treed2@u.washington.edu (T. Reed)]

Actually, I didn't use anything. I pulled a vacuum before installing the
134a fittings. I used a hose from an old r12 can tap to connect the vacuum
pump to the low side.. it had screw-on fittings on both ends so it worked
fine.

-Toby

On Sun, 21 Jul 2002, Allyn wrote:

> what did you use to adapt the harbor freight vacuum thingy to the 134a fittings?
> Al
>
> ----- Original Message -----
> From: "T. Reed" <treed2@u.washington.edu>
> To: <scirocco-l@scirocco.org>
> Sent: Saturday, July 20, 2002 11:21 PM
> Subject: R-134a conversion: a success!
>
>
> > Just thought I'd flaunt my newly working A/C.. charged the system
> > yesterday and just tested it out in the daytime this afternoon. It cools
> > well.. I don't have a thermometer to check my vent temps handy but I'll
> > probably check them eventually. What I can say is that driving around last
> > night with 60 degree temps outside, my windows were all fogged up and my
> > ears got numb and turned red. Chilly. Today it got almost as cold but it
> > took longer (I had it on recirculate). I've never had a car with working
> > A/C before so this is fun stuff.
> >
> > Basically, I took the middle road for the conversion - I replaced the
> > receiver/drier ($22), pulled a vacuum for 20 minutes ($12 Harbor Freight
> > compressed air driven venturi pump - 4.2 SCFM @ 90 psi) and used a cheap
> > interdynamics kit ($35 including 2 cans with r134a + oil + leak sealer +
> > o-ring treatment, a can tap, hose, fittings, label and instructions) to
> > charge with 24 oz refrigerant and 6 oz ester oil. I didn't drain the oil
> > or change the o-rings, but it all seems to be working fine so far. We'll
> > see..
> >
> > I'm liking this whole cold-air-from-all-four-vents thing, and it seems to
> > get cold a lot quicker than the heater gets hot .. something like 30
> > seconds before it starts blowing cold whereas the heater usually takes 60
> > - 100 seconds. It's pretty neat under the hood too because the hoses for
> > the low side frost over with ice while the high side gets almost hot
> > enough to burn you.
> >
> > Anyway, just thought I'd share my story since there have been some posts
> > about converting in the past few weeks.
> >
> > -Toby
> >
> > --
> > '87 16v
> >
> >
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