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Discussion Starter #1
anyone have their expansion valve go bad in their HVAC system? i have isolated the noise i am hearing to the receiver/drier or the expansion valve. i was told the drier would more than likely not make any noise, but the expansion valve possibly could (equalizing pressure or some **** like that). so, anyone with similar experience or problems they could relate???
thanks.

--rudy--
 

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They get stuck once in a while but do not make noise. Next to the expansion valve is some sort of vacuume control switch that makes a pulsating noise at times.
 
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