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- Sat Aug 11, 2018 1:45 am
- Forum: Automotive Air Conditioning Procedures, Tips and FAQ.
- Topic: Recovering Freon
- Replies: 7
- Views: 1304
When evacuating using a vacuum pump, you won't see much of anything coming out except for maybe a little oil. The refrigerant is long gone by that time. The idea is for the vacuum pump to lower the boiling point of any moisture in the system and to remove it by boiling it off. If after evacuating t...