air conditioning fan on 2003 Cadillac DeVille DTS

the fan will not come on unless you slam the door then sometimes will go off if you hit a bump in the road.

by in China Grove, NC on May 14, 2010
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3 answers 1 comment
ANSWER by , July 11, 2010
I have an 03' dts that does the exact same thing. Taking it to shop Wed. to find out problem.
COMMENT by , November 06, 2010
The blower motor brushes are worn and the slamming door causes them to make contact, at least temporarily. Just been through this exact scenario.
ANSWER by , November 05, 2010
The blower motor brushes are worn and the slamming door causes them to make contact, at least temporarily. Just been through this exact scenario.
ANSWER by , May 26, 2011
brushes in motor are worn down