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Smart VOV Installation 700

posted by  werick on  Sun Aug 1 04:55 CST 2004
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last visit: Sun Mar 6 08:25 CST 2011
[RELATED]

Hi All:

I'd like to pass on some good information. I was never really satisfied with the operation of my AC System since my changeover to R134A. I could only get 55 degree air temp out of the vents and the pressures were very touchy. I used the proper expansion valve for R134A. Flushed & Evacuated the system and installed a new Accumulator. And had the the correct oil charge.

I read on this board and other sites about a Smart VOV (Variable Orafice Valve), working wonders in some systems. So I gave it a try. I was able to get it through NAPA with a one day wait for around $26.00.

Let me tell you!! What a difference. The vent temps seem to be about 10 degrees cooler and my pressures are much better now. It's a pleasure to drive now on these hot days.

For anyone with a similar problem, this is a totally worthwhile investment. It fits perfectly in place of the old Expansion Valve and installs in minutes. Not counting evacuating the system.






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