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- - A/C THX (expansion valve) (https://67-72chevytrucks.com/vboard/showthread.php?t=768165)

7tee	07-25-2018 07:33 AM

A/C THX (expansion valve)

1 Attachment(s)

Is there a way to bench test the 4 Seasons expansion valve off of the vehicle...

Custom 68

07-25-2018 10:55 AM

Re: A/C THX (expansion valve)

I will be interested in seeing this as well. I had been reading and decided they can get sticky if "stop leak" was used and any trash can get in there as well. I dont think mine had ever been replaced so I did. It was only around 15 bucks new so I figured it was worth the shot.
Just a little more info years ago somebody had given my a POA delete so I am using that as well. Still wish I had the POA but what I have is working but I am still tweaking on the charge pressures.
Good luck
Dave

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