[Vwdiesel] Air Conditioner failed

[Nate Wall]

<<<Is it difficult to do??? No, except you need three
things: -vacuum pump to evac the system prior to
charging it -a manifold gauge set to properly charge
it
-a source of either R-12 or R-134a, depending upon
which your system takes.>>>>>

This made me think of something interestinig I did a
few years back. My (former) wife's grandfather died
and I was liqudating his possessions so a relative
could sell his house. He had a REALLY beat up '70s
chevy w/ about as much miles on it as my Jetta TD! It
had A/C and it worked. My A/C charge was a little low
(foam in the sight glass when operating). I was bored
one summer day and I got to thinking:, "Could I
transfuse the R-12 from the Chevy into my Jetta"
before donating the Chevy? Well it worked! I parked
the two cars next to each other, as if jumping the
battery. Using my A/C manifold guage set, I connected
the "High" side of the Chevy to the "Low"  side of the
Jetta (purged the air from the guage lines first).
Then I started the Jetta and turned the A/C on and
opened the "Low" valve on the guage set and barely
cracked the "High" side valve on the guage set. The
"Tap" valve remained closed. No freon flowed into the
Jetta. I then started the Chevy and turned its A/C on.
Then I would open then quickly close the "High" valve
on the guage set several times a minute (to minimize
the chance of liquid R-12 locking up the compressor in
the Jetta) and the freon was indeed flowing out of the
Chevy. Its A/C discharge air became completely warm!
The sight glass in the Jetta became completely clear
(foamless)! A success!

--Nate

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