Sep 9, 2015 — some don't too. Pulling a vacuum typically will not remove any system oil, as long as it is sealed with no leaks. Even then it is a trace amount.
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does-vacuuming-ac-system-remove-oil
Jul 4, 2016 — An evacuation only removes air and moisture. It doesn't remove oil. In order to remove oil from an AC system, the system would have to be .... It can hurt an HVAC contractor's profits, as well as their reputation. ... A vacuum pump removes air and moisture from the system before the system is damaged. ... Other situations may cause you to reconsider how you evacuate systems, like .... May 22, 2011 — Vacuuming only removes gases, not liquids. Oil doesn't change state to gas, it stays liquid and therefore it will not get sucked out. Water, for ... 939c2ea5af