Question about 2002 Ford Explorer
There is a vacuum line from the engine into the dash that supplies vacuum through the selector switch when commanded. When vacuum is missing, the dash defaults to the defrost and the floor. Check to see that the vacuum line is still connected.It usually runs off the back of the engine and in the dash on the passenger side. Good Luck.
Posted on Aug 25, 2008
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Sep 09, 2014 | 2010 Chevrolet Avalanche
Aug 06, 2013 | Cars & Trucks
May 17, 2012 | 2002 Ford Explorer
It's most likely a vacuum line, look
under your hood (close to the cowl panel) for a disconnected, cracked
or broken vacuum line.
In some rear cases, it could be the
vacuum switch (in dash). Or vacuum diaphragm (under dash).
Hope this helps you ???
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