IntroductionRefrigerant R134a Environmental Information
Vehicle air conditioning systems make use of the
vaporization and condensation process. In this case, one works
with a substance which boils easily, designated as refrigerant.
The refrigerant employed is tetrafluoroethane R134a, which
bo ...
Commercially Available Tools and Materials
Note
This list outlines the testers, tools and materials required
for expert refrigerant circuit repair work.
Caution
Non-approved tools or materials such as leak sealing
additiv ...
Checking
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Turn off the ignition.
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Connect pressure gauge battery (A/C service station).
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Take pressure gauge readings. There are two possible results
A and B.
&nbs ...