2004 Dodge Caravan heating

DREALDDD

MEMBER
2004 DODGE CARAVAN
2.4L
V6
AUTOMATIC
150,000 MILES

My heating in my dodge caravan 2004 does not blow air when on max. Heating but go down a notch before and it starts again. I have already changed the termostast behind the glove box. Coolant is full and the radiator does not seems to be leaking. Any Ideals?

5 Replies

JACOBANDNICKOLAS

MECHANIC
109,885 POSTS

Have you replaced the blower motor resister?

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Friday, December 20th, 2013 AT 7:30 AM

DREALDDD

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3 POSTS

Where is that?

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Friday, December 20th, 2013 AT 8:34 AM

JACOBANDNICKOLAS

MECHANIC
109,885 POSTS

It's behind the glove box mounted on the blower motor box.

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Friday, December 20th, 2013 AT 8:52 AM

DREALDDD

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3 POSTS

Yup changed it but do not know if it could be that again

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Friday, December 20th, 2013 AT 2:51 PM

JACOBANDNICKOLAS

MECHANIC
109,885 POSTS

If it is doing the same thing with the new resister, then chances are it isn't the problem. Have you checked to see if there is power out of the switch when it is on high? ( I am assuming you are referring to the fan not working on high. Is that correct?)