If you mean the AC expansion valve, then yes it is behind the dash, behind the glove box mounted on the AC module. Find a factory manual on line, it has real good illustrations of how to disassemble the stuff under the dash.
AceEngineer
'02 EP3
EDIT: Here is link to the manual: http://www.mediafire.com/file/btkt23...-2003_USDM.pdf
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