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| Recharging
& refrigerant (freon) for the auto A/C |
Q:
Do the pressure gauge readings tell me how much refrigerant is in my
auto A/C system?
A: No. The pressure gauge
readings can not tell you how much refrigerant is in your A/C system. That's
because the A/C system is charged by weight of refrigerant, not by
pressure. As an example, a typical auto A/C system may have a full factory
spec charge of 2 pounds and 3 ounces or 35 ozs. The pressure gauge readings
only tell you what the pressure of the system is. What makes it more complicated
is that the pressure gauge readings will change depending on the ambient
temperature of the day. That's because the refrigerant has a pressure/temperature
relationship. As the ambient (or outside) air temperature increases, so does
the pressure. Read more information about how
to understand the pressure gauge readings
of your auto A/C system.
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| Tired of looking all over
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only 'perpetual' A/C service manual that is constantly updated! Best of all,
it's free! |
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| Our list of FAQ's is growing,
so please visit back often. If you can't find the right answer here, visit
the auto A/C help
and discussion board at the COOL ZONE. You'll get all the right answers
to your questions about troubleshooting and diagnosing auto A/C systems. |
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This
was probably one of the best books on recharging air conditioning that I
have seen...
