Question about 1998 GMC Savana
High pressure reading on low side a/c
Likely you have a valving problem or obstruction within the system. To do any real a/c work, you need a Set of gauges so you can monitor both high and low side pressures. Additionally you need an evacuation pump in order to remove any air and moisture in there, neither of which are good. You also need some experience doing this kind of work. Third, I have recently spoken to an a/c guy I know and he told me that the sealers they put in many of those cans will gum up and destroy the expensive machine used by most shops that do this kind of work...making me wonder what it does to the car's system itself??? A short burst of freon without sealers or dyes is OK to add to a system that is just a little warmer than it should be, but otherwise either get the correct tools and some training, or leave this work to the pros.
Posted on May 23, 2009
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Posted on Jan 02, 2017
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