谢谢追风。但愿是冷媒没加够， 但是。。。

the low side zero pressure reading when the compressor is running, seems to be a refrigerant circulating problem. Low side pressure is about 28 psi when engine is off. Will try it this weekend. Thanks.

所有跟帖： 

• Have you pressed down lowside valve after shuting off the engine -MoonRivertttt- ♂ (43 bytes) () 03/07/2013 postreply 18:51:00

• Yes, tried pressing down a bit, heard air came out. Also hear th -Gulang- ♂ (77 bytes) () 03/07/2013 postreply 19:25:19

• 所谓压缩机实际上是真空泵，抽气机。低压端被抽真空了。 -追风大老虎- ♀ (0 bytes) () 03/08/2013 postreply 10:53:56