Question about Dodge Nitro
I started my car in 11 degree weather today. The heater was turned onto the first air level. When it started there was hardly any air coming out. I turned the air level up one more notch, it made a pop sound and air will not come out at all, even when the vehicle is fully warmed up.
Yippee. Some little actuator pulled off it's connection, 'cause the little door was stuck from the cold. When I have this kind of problem, I Google it. See if other folks have experience, to tell where you should look. Chasing duct problems is real tough.
Posted on Nov 22, 2013
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Posted on Jan 02, 2017
the most probabale cause of this would be a disfunctional hear core if you replace your heater your heater will more than likley work the the way it's supposed to
Posted on Jan 18, 2009
Its just a vent damper plate not operating, it's like a gate which controls the flow of air,,usually they are operated by vacuum, or cables.
Service center time, unless you are handy with your own repairs.
Posted on Jan 19, 2009
This is definitely 100% the Blower Motor Resistor.
Replace this and all speeds will work fine.
This Resistor is defined with 3 to 4 wires going into it, and is located adjacent to the Blower Motor.
It is easily access, removed and replaced.
I will post an additional comment on Part Number, Price and where available.
Let me know if this helped, or if you have additional information or questions. Feel free to contact me at FixYa.com!
Posted on Feb 19, 2010
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On a newer truck such as yours, the problem is usually the blend door actuator. First try a recalibrations of the system. Remove the HVAC fuse for a couple minutes and then put it back in. Start the truck and let it idle for a few minutes. Check to see if that fixed it. Fig. Remove the floor air outlet duct extension (1) from the floor duct (2) Fig. Blend door actuator and related components
If not, next check the actuator. I will paste instructions below for taking it out. Once you have it out, plug the connector back in and see if it turns when you change the temperature control. If not, the problem can be in the controller or the actuator. If it is clicking, the problem is stripped gears. If it isn't doing anything, you can check for voltage at the connector with a voltmeter. Connect the black meter lead to a good ground point and probe the connector terminals with the red lead while changing the temperature setting. The part costs $140, so do what you can to make sure it's bad before putting a new one in. Also, it may be worth your time to read my post at http://www.fixya.com/cars/r6235876-no_heat_fan_blowing_cold_air for other ideas. Please let me know if you have questions.
2. Disconnect the electrical connection at the blend door actuator (10).
3. Remove the blend door actuator mounting screws from the HVAC module.
4. Remove the blend door actuator as an assembly with the actuator cam.
Fig. Remove the blend door actuator mounting screws from the HVAC module
Fig. Remove the floor air outlet duct extension (1) from the floor duct (2)
Fig. Blend door actuator and related components
Posted on Oct 31, 2010
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