Re: can someone explain A/C gauges

Posted by Charles (in GA) on June 24, 2005 at 19:17:24 from (24.107.167.4):

In Reply to: can someone explain A/C gauges posted by dumb shepherd on June 24, 2005 at 12:52:53:

Buy a book, thats what I did over 20 years ago, bought several different auto A/C manuals, that explained theory, operation, servicing, etc. Its not real easy to explain in a nutshell, except that without the high pressure gauge (the red one) its like playing with fire, you have no clue if you are going to blow up something or break something, of if things are really working OK or if there is a stoppage or stuck expansion valve, etc.

I bought a real good set of gauges years ago, added to the collection, clutch pullers adapters, 6 ft hoses, a vac pump, and the like. finally bought a set of R134 gauges about four or five years ago, didn't want to convert my others.

The tools and books have paid for themselves many times over thru the years and now I know about as much as many of the "professional" auto A/C service people, but you have to approach it in a professional manner and learn and understand what is happening or you will cost yourself more money (or injury to yourself) than you can imagine.

Charles

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