2005 Mercury Grand Marquis Q&A
2005 Mercury Grand Marquis Question: heating-control
Temp/blend door actuator would be the most common problem, now changing it another job. - ProfessorG
adv you nave it done as not to break the doors - globalhelper
No heat, Air conditioner is fine, windows wont defrost
when trying to put heat or air on floor there is none comes out the front or on floor....defrost works all the time tho...
WHEN I TURN THE HEAT NOTHING BUT COLD AIR COMES OUT,CHECKED HEATER HOSES UNDER THE HOOD AND THEY WERE HOT. AIE COND.WORKS FINE
My 98 Marquis revs up and down intermittently. This will only happen when the car is in idle but in drive AND the heat is on. It does not rev when in park. It seems to subside when temperatures o...