26 Year Old Evaporator

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26 Year Old Evaporator

Postby 543 » Mon Jul 22, 2013 5:52 pm

My 26 year old Vixen mini RV's a/c system has a slow leak. I've done a lot of sniffing, but never found the source.
It's been converted to R-134a. Wondering if it's wise to just go ahead and replace the 26 year old front evaporator as a preventative measure. They are available for as low as $55 shipped. Or is this a case of, "if it's not broke, don't fix", or "they don't build 'em like they used to". The evaporator is the same one used in a 1986-92 pickup. There's also a rear evaporator
like ones used in Suburbans of that vintage. It has a TXV, while the front unit uses a white GM orifice.

I thought about replacing the hoses with barrier hose, but read that it's no longer considered to be necessary by EPA.

The condenser mounted in the rear of the vehicle has been replaced with stacked parallel flow units, and the original BMW (Denso?) compressor has been replaced with a Sanden.
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Favorite Refrigerant: r134a

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