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What is wrong with your heater on your 2001 mercury grand marquis if it only blows cold air?
You are likely in an antarctic region.
1989 Grand Marquis AC blows ice cold idling but blows hot while driving but blows cold when decelerating?
it could be the heater core and ac housing unit that allows hot air to be mixed with the cold air or it could just cancel out the cold due to the motion of the car
Why does my 1994 grand Marquis AC blows cold sometimes then blows supper hot the refrigerant level is good?
2 thing's ambient temperature sensor malfunctioning if you have computer controlled a/c or heater a/c blend control actuator. I've seen both problems.
1996 vw sharan heater blows cold cabin hot?
can you please clarify what you mean, do you mean that the front heater blows cold but the rear blows hot or do you mean that when the heating is on cold it blows hot? many thanks paul
1999 Mercury Grand Marquis heater puts out cold air?
Check to insure that the engine coolant is full and the thermostat is not stuck. Without the heated fluid from the engine the heater will always blow cold air.
If the heater works but blows cold air and heater core is good what do i check next?
Get the air out of your heater core.
Ac works but heater blows cold air?
heater hoses might have been disconected
Why would your heat only work on defrost?
ihave a 1986 chevette that when i turn defrost on it blows out heat and when i put heater on it blows out only cold air? ihave a 1986 chevette that when i turn defrost on it blows out heat and when i put heater on it blows out only cold air?
Your heater in your jeep only blows cold air why is this?
The most common reason a automobile heater blows cold air is the water level is low. Check the water level and fill to the appropriate level.
Heater problems on ford 1999 expedition?
the heater blows warm air when fan is on low but blows cold air when fan is turn to higher setting
Why does Heater blows cold air on 2001 blazer?
you must have low coolant or a bad heater core
2002 dodge ram 1500 4.7 liter heater not working blows but not hot air?
we changed radaitor & thermastate , now heater blows cold air
