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Old 12-10-2013, 10:09 AM
 
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i have a 2006 dodge stratus 119 thousand miles. problem is the heat. im in minnesota where it's 1 degree outside. so saturday i turn the car on and no heat comes on. now my heat only works on 4. pretty sure that's the motor blower resistor. havent gotten that fixed yet. but now the heat doesnt cut on at all. so saturday morning windows were fogged up. i couldnt see. i put anti freeze in the car cause it was pretty empty. after about 30 more minutes, you hear a small whistle sound and heat comes on. same thing today, turn car on. no heat. after about 45 min to an hour of driving. small whistle heat comes on. why is my heat taking so long to turn on?
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Old 12-10-2013, 10:23 AM
 
Location: New Jersey
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Could be the thermostat is sticking open.
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Old 12-10-2013, 10:28 AM
 
Location: Caverns measureless to man...
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Have you checked the coolant level again since you topped it off? And when you did top it off the first time, you made sure it was filled to the normal operating range, right? You mentioned that you added coolant, but I just want to be sure you're actually topping it off.

How did the coolant look? Did you check the oil? How did that look? Were there any signs of coolant in the oil?
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Old 12-10-2013, 11:35 AM
 
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Sounds to me like your blower motor isn't working. Most likely it's the blower resistor, located behind the glove box. It's an easy fix, and not very expensive. Lots of how-to videos about it.
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Old 12-10-2013, 11:47 AM
 
Location: Caverns measureless to man...
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Yeah, but it sounds as though topping off the coolant has an effect. Would that be consistent with a bad blower motor?
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Old 12-10-2013, 11:50 AM
 
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Quote:
Originally Posted by Albert_The_Crocodile View Post
Yeah, but it sounds as though topping off the coolant has an effect. Would that be consistent with a bad blower motor?
No. That's an entirely separate issue -very possibly a serious one.
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Old 12-10-2013, 12:18 PM
 
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Quote:
Originally Posted by GarageLogic View Post
Sounds to me like your blower motor isn't working. Most likely it's the blower resistor, located behind the glove box. It's an easy fix, and not very expensive. Lots of how-to videos about it.
but would that affect it running on 4? i thought when its the blower motor. it wont work on 1-3 only.
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Old 12-10-2013, 12:24 PM
 
Location: Long Neck,De
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First thing I would do would be to change the thermostat. The whistle bothers me. Can you get a pressure checker to check for leaks?
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Old 12-10-2013, 12:57 PM
 
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Quote:
Originally Posted by daboywonder2002 View Post
but would that affect it running on 4? i thought when its the blower motor. it wont work on 1-3 only.
The blower motor resistor is a very common problem in these cars. Often it's "off or high" only. But it's a crap-shoot.

The good news is that the part is only about $25 at OReillys.
BWD RU1186 - Blower Motor Resistor | O'Reilly Auto Parts

It takes about 15 minutes to do the job.

How To Fix AC Heater Fan Speed Resistor Dodge Stratus 01-04 1AAuto.com - YouTube

While you're working on the car, be sure to check your coolant level.
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Old 12-10-2013, 03:40 PM
 
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It depends on what you mean by heat comes on....

If the blower is blowing cold air no matter what setting you set it at, then its not the resistor pack. It is most likely your thermostat.

If the blower motor does not turn on at all in settings 1-3 (regardless of the temperature of the air) then its the resistor pack.

Other things to consider...

Why was your coolant low? In most vehicles, you can drive thousands of miles without having to check the fluid level. If your fluid is low on a regular basis, you have a leak somewhere. Hopefully NOT in your engine/head.

Also, many cars require a sealed cooling system. What I mean is, when you fill the coolant, the system needs to be bled of all air in the lines. When there is air in the line, it can keep coolant from entering the heater core until it has reached a very high temperature, raising the pressure in the line then forcing the fluid into the core. That could be the noise you are hearing. There will usually be something mentioned in the service manual if your car requires this.
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