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A/C Expansion Valve Question

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slowoldman

Probationary Member
27
0
Feb 13, 2004
Charlotte, North Carolina
OK you experts out ther I need you.

I replaced everything on my a/c yesterday. The issue is that when I went to replace the expansion valve it isn't the right one. I went to Big A, Advance, Autozone and NAPA. Every one came back with the same one. The one on the car (95 Talon) had an extra tube on it. It appears to be a pressure release. It goes from the pipe input side of the valve to the diaphram area. It is a tube so it isn't an additional temp connection. (See attached drawing)

My question is does anyone know what it is for and if I cut the tube off the old one and solder it closed and just put the one in everyone says it should be is there any danger to the system?

Please help out a slow old man.
 

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goto the dealer and compair what they say is the correct TXV (expansion valve) with the one that autozone says you are supposed to have
 
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