Air compressor ice cold but blowing really hot air through car vents
Asked by PrincessPC May 19, 2017 at 11:57 PM about the Ford Grand Marquis
Question type: Maintenance & Repair
1999 grand marquis air compressor ice cold but
blows nothing but heat out the vents what could it
be?
2 Answers
Listen VERY CAREFULLY while you move the lever from off, to floor, to defrost, to cabin. You should be able to hear the vent door move if it is working correctly, going from one input and output to the other.
CITYLIFE404 answered 7 years ago
Temp blend door or motor not working, u may also have a vacuum leak or bad blend switch