Tools for A/C work

[Kunz, Bob]

Actually, you'll want to find the leak, it's the best way. It might be
easier to fix a leak, and buy your own R-12 (you'll need to get an EPA
certification but it's easy and cheap).

R-12 runs about $12 per lb in 30 lb cylinders and since you have three
vehicles that might be the best way. Otherwise it's double or triple
that in small cans.

Your list??

Vacuum pump (real one, not a venturi type). You'll need to draw down to
1200 microns for 30 minutes.
Gauge set with R12 fittings
Scale (measure to fractional ounces or grams) to measure how much
refrigerant you're adding
An electronic vacuum gauge (since the gauge set isn't very accurate, but
it'll do)
Leak detector unless you can pretty much guess from the oil tracks where
the leak is

--bob

'86 5ks
'02 TTQR

> -----Original Message-----
> From: quattro-bounces at audifans.com
[mailto:quattro-bounces at audifans.com]
> On Behalf Of Kneale Brownson
> Sent: Tuesday, June 28, 2005 2:06 PM
> To: 200q20v at audifans.com
> Cc: v8 at audifans.com; quattro at audifans.com
> Subject: Tools for A/C work
> 
> 
> 
> Local pricing on R-12 refills is about $250.  R-134A conversions run
in
> that same price range.  I'd like to try the alternative R-12 stuff
like
> enviro-safe-12   ( http://autorefrigerants.com/co00033.htm ).  I
presume I
> need a vacuum pump to get rid of moisture.  I have plenty of air
> compressor
> capability and was looking at the cheap air/vacuum pumps.  And I
presume I
> need a gauge set too.   Do I need anything else to do this job right?
> My
> 200q20v needs recharging, I believe.  I think I need the gauges to
check
> that the R12 has disappeared???    My two V8s also have old R12
systems.
> They work well now, but so has the 200 in the past.
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