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Thread: Negative pressure
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05-04-2009, 01:54 PM #1
Negative pressure
Hi fellows
This is an automotive a/c system:
After charging, a student of mine is reporting negative pressure on low side port (about -27 hg) and about 100 psi high side port. I have literature about diagnostic by pressure but no one of them reports negative pressure cases. What can it be ?
Moises
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