TwinTurbo.NET: Nissan 300ZX forum - Re: Expansion Valve
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Subject Re: Expansion Valve
     
Posted by Hiruzai_z32 on May 28, 2023 at 12:28 PM
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In Reply To Expansion Valve posted by Denis on May 28, 2023 at 11:38 AM
     
Message Thank you for the AC diagnostics. And yes, I did replace the receiver dryer however the same issue still occurred. I went ahead and removed my entire evap box out from behind the glove box. I removed the expansion valve and while blowing through it I noticed it produces the same hissing sound to the exact note. Slowing the blow produces the same dissipating air sound I described.


HERES THE KICKER: while blowing air through the lines of EVAP core I heard bubbling. Turning it over it leaked out a green liquid. It is not thick in slightest, it's like water but green.

I assume this is not normal, or is it? I'm wondering if it could be AC oil or even the "EZ chill uv dye" I injected into the system when looking for my previous leak. I injected it upside down in the past and I believe that injects it as a liquid-

Either way is liquid in EVAP core normal?

     
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