Is the expansion valve a part of the evaporator? on 2004 Mercedes-Benz S430

My AC stopped cooling but the blower works fine. I was told that the expansion valve was defective. Is that a part of the evaporator system?

by in Houston, TX on October 12, 2010
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1 answer
ANSWER by , October 12, 2010
It's a separate part with separate part#. Zee