You have to vaccum the system before you fill the freon in.

來源: JunkYarDDo 於 2013-03-04 07:20:41 [檔案] [舊帖] [給我悄悄話] 閱讀數 : (115 bytes)

回答: 我的難題是：汽車AC冷媒已漏光，compressor not running due to zero pressure, so 由 Gulang 於 2013-02-27 19:00:27

A vaccum pump is needed to do so.

Mix up air with Freon will greatly reduce your AC cooling abality.

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