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- From: ghg@en.ecn.purdue.edu (George Goble)
- Newsgroups: rec.autos.tech
- Subject: Re: Charging A/C with Freon
- Message-ID: <1992Jul25.142149.25223@en.ecn.purdue.edu>
- Date: 25 Jul 92 14:21:49 GMT
- References: <22445@oasys.dt.navy.mil> <1992Jul20.153331.24083@bnr.ca>
- Distribution: na
- Organization: Purdue University Engineering Computer Network
- Lines: 29
-
- In article <1992Jul20.153331.24083@bnr.ca> Peon w/o Email priv (Eric Youngblood) writes:
- >In article <22445@oasys.dt.navy.mil>, tobias@oasys.dt.navy.mil (Steve Tobias) writes:
- >|>
- >|> My Caravan's air conditioning unit is in need of a charge (low
- >|> on Freon as evidenced by lots of bubbles in sight glass). I've never
- >|> done this before, but noticed that the local parts store (Trak Auto)
- >|> sells kits for that purpose. It seems easy if the directions are any
- >|> indication. Any of you have any tips and/or advice pro or con regarding
- >|> doing it myself? BTW, for those of you interested, there was a notice
- >|> at Trak Auto that a new Federal law which takes effect Nov. 15, 1992
- >|> will make it illegal to buy small cans of Freon. Only 20 lb and larger
- >|> sizes will be sold (for professional installers) effective that date.
- >|> I guess too many do-it-yourselfers were leaking Freon and screwing up
- >|> the ozone layer.
- >|> Steve
- >
- >You need to determine the cause of the low charge condition. Probably a leak
- >somewhere in the system. It should be repaired before putting more freon into
- >the system which will leak out again. This is one of the reasons the new Fed
- >law has become reality. As far as the do-it-yourselfers screwing up the ozone
- >layer this is not accurate as automotive AC systems only account for a small
- >percentage to total CFC emissions. The largest contributors are by far the
- >industrial applications to manufacturing. However, in the grand scheme of things
-
- The largest single source of leaking CFCs are automobile A/C units.
- The world's 225 million A/C cars each leak around 1/2 lb of CFC-12
- each year on the average. The industrial solvent and foam blowing
- sectors have pretty much cleaned up their act by now.
- --ghg
-