Whyt would hot air blowi from a/c, heater and defrost setting
Asked by rdsseen Jun 10, 2014 at 08:51 PM about the 2009 Mercury Grand Marquis
Question type: Maintenance & Repair
When turn on a/c or heat or defrost from Control Assembly nothing but hot air blows out of vents. Bland door motor and actuator have been checked and Okay. What else could be the problem.
3 Answers
im having the same problem..no matter what setting only hot air comes out....and from reading so many different post...its seems like this is a big issue that mecury has
Un plug low pressure switch pressure goes up havnt paper clip wire on two lead wire that go to that switch
edwardfarnan answered 9 years ago
i just got new blower motor in now it is blowing hot air before i had it instaled it was blowing cold air