Expansion valve, need advice

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Expansion valve, need advice

07-02-2001, 04:24 PM

J.HIDALGO

Registered User

Join Date: Jul 1999

Location: Jax, FL

Posts: 1,785

Well, my expansion valve is leaking again (second time in less than a year). The AC system works great when is full of freon. It seems that the leak comes from the front of the valve. I have the dye in the system so, it is very obvious. I changed the o-rings and also a new expansion valve was installed. Vacuum , flush, etc. The question: how tight (or loose) do the fittings in this valve need to be? torque values? I still have the R12. Is there a sealing compound that I can use?

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J.H.
'86 300E

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