I have a 1998 Dodge Durango SLT-V6 that has no heat.
I have a 1998 Dodge Durango SLT-V6. In the winter, the heat and defrost blow cool/cold air. In the summer, the AC blows warm air.
If the truck is sitting idle in the winter, the air will eventually blow warm (feels like heat-pump heat i.e. fan forced heat) but the interior of the truck does not get warm. When I start driving, what little heat was coming out almost completely disappears and all I'm left is cool air. (I'd sit in the parking space but that makes it difficult to get back and forth to work, grocery store, etc.) I get a little bit of heat when I switch to ''Fan'' - very little. The radiator and thermostat were replaced last year (I hit someone, oops) but I had this problem BEFORE the the accident.
Also, the temperature gauge on the inside never points more than 1/4 of the way up - most vehicles seem to run with the gauge pointing at the half-way mark.
Re: I have a 1998 Dodge Durango SLT-V6 that has no heat.
The heater core might need back flushed, I just did mine this winter. Go to dakota-durango.com and introduce your self and your rare as ever truck, a v6 durango, and have fun.
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Make sure you have the heat selection set all the way to heat. In Ford and Dodge vehicles, when you select Defrost the AC compressor actually kicks in and if you have the temperature selection set to the cool side it will push cold air to defrost your windshield.
The rear A/C system in the Durango has its own AC and heater core like the front system does. There is a plastic flapper valve back there that either directs the air to one or the other depending on what you have selected up front.
While the part is not too expensive, the labor to get there requires removal of the interior panel on that side which is not fun. It can be done though.
I have the similar problem with both my Jaguars, one is a 1988 Jaguar XJS, the other is a 1987 Jaguar XJ6, both blow COLD air out some vents while it blows warm air for heat. I heard it had something to do with the cold air blowing as a dehumidifier, I don't know if this is true, but it is really annoying to have both cold and warm air blowing when I need heat in these cold Canadian winters. If you find out please drop this website a note and let us know how you solved it. thanks.
The rear vent system has a separate heater core/blower system. heater core could be plugged up or the coolant lines going to rear heater core are plugged. could also be low coolant/faulty water pump not producing enough pressure, or air in the cooling system which will need to be bled if so.
The problem that has caused this cold air only issue is the Air Temerture Control Blend Door Actuator Motor, this motor is on the ouside of the air duct about center of the dash, in order to access and replace it u must remove the entire dash assembly.
The problem that has caused this cold air only issue is the Air Temerture Control Blend Door Actuator Motor, this motor is on the ouside of the air duct about center of the dash, in order to access and replace it u must remove the entire dash assembly. this is about a 12-15 hour job.
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