Re: [DML] R134a retrofit

["Chris Murley" <qumefox@xxxxxxxxx>]

On 5/15/06, David Teitelbaum <jtrealty@xxxxxxxxxxxxx> wrote:
>
> Before recharging a dead system with ANYTHING a good shop will find
> and repair any leaks. In fact it is the law.


Out of curiousity, exactly how do you test for leaks without charging the
system? I know making sure the system holds a vacuum is part of it, however
the 14.7psi pressure difference between a vacuum and atmospheric is alot
easier to hold than the 115 psi (minimum, it will likly be alot higher)
pressure difference that will be between the high side of the system and
atmospheric. So a system that holds a vacuum could still leak in use.

I'd really like to know the answer to this because i'll have to cross this
bridge sometime myself and any trick to let me test for leaks without
wasting freon will be greatly appreciated. Especially since I plan to use
R12.

Chris
VIN #3209
http://badger.brazi.net/index.pl/delorean


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