Heat blower

Asked by Feb 17, 2019 at 01:27 PM about the 2003 Dodge Durango SLT 4WD

Question type: Maintenance & Repair

When we have our heat it blowes heat good in
back front dash  but doesn't blow much on the
dash the window starts to fog

1 Answer

76,355

The ductwork has blend doors that move to get the temperature to the vent where you want it. Could be that one of the blend doors is sticking because the door actuator is defective. You may have noticed a tapping sound under the dash from a defective actuator. The doors are located under the dash and possibly behind the glove box; the actuators are small boxes. Try a spray lubricant on the actuators, or remove them to see if there's a broken sprocket. Might need replacing. It's not a difficult fix.

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