Buy a can of R134a

in any parts store, and buy those can come with a pressure gauge, (cost $4-5 extra), then use that to check the pressure at low pressure side. The pressure gauge has a quick disconnect fitting that can be plugged into the port at low pressure side. The you will know what pressure in the line.

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low pressure side of what? -jennylin- 给 jennylin 发送悄悄话 (104 bytes) () 06/24/2009 postreply 13:53:06

回复:low pressure side of what? -biglow- 给 biglow 发送悄悄话 biglow 的博客首页 (434 bytes) () 06/24/2009 postreply 15:20:09

R134a system and R12 system have different fittings -xxhhwxc- 给 xxhhwxc 发送悄悄话 (38 bytes) () 06/24/2009 postreply 16:04:19

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