Question about 1996 Mercury Grand Marquis
When I turn either the Heat or the A/C on, they work for about 30 minutes then gradually fade away. I can still hear the blower. it's still working but not blowing anything into the cabin. When I turn the A/C or heater control to OFF and wait about 30 to 45 minutes to turn them on again they will work, for about 30 min.
Any ideas where to start looking?
I have the same problem in my Dodge. It most likely is the flapper valve that seperates the heater and the a/c. Very expensive to fix as they basically have to remove the dashboard to get to the part.
Posted on Nov 24, 2008
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Posted on Jan 02, 2017
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