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| Vacuum
and the auto A/C |
Q:
What's the best type of vacuum pump to use for auto A/C service?
A: Typically there isn't
a 'better' type of pump to use. It just has to be able to pull deep vacuum
in order to boil moisture and remove the air that may be in the system. When
you're deciding on a vacuum pump, you should pay more attention to the 'micron'
rating. That's the level of vacuum that the pump is rated for. The lower
the number, the better the pump. Water only starts to boil at levels of vacuum
under 1,500 micron. Deep vacuum is typically at levels under 750. You should
really aim for 500 microns or under. The most popular type of vacuum pump
is the rotary vane design. You can read more information on vacuum pumps
in our 'fast track' section about
using vacuum pumps for auto
A/C service. If you own a rotary vane vacuum pump, you really need to
see this information about
What Vacuum Pump
Manufacturers Really Don't Want You to Know.
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| Tired of looking all over
the place to get all the right auto A/C service information and help? Then
download your own copy of the AutoACconnection! It's the worlds first and
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...
