AC smell on 2004 Cadillac DeVille

each time I turn on the AC blower motor a musty smell come out of the vents not sure were the drain tub is any help.

by in Charlotte, NC on May 13, 2012
1 answer
ANSWER by on May 14, 2012
something wrong with your AC, mutil di@g j2534 can diagnosis of cooling electronic. http://www.chinasinoy.com/wholesale/multi-dig-access-j2534-pass-thru-obd2-device.html
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