Question about 1997 Dodge Dakota

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Heater blows cold air .with selector set to warm.

150.000 miles runs great. help its cold. thanks shelly

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  • 68 Answers

Check to make sure you hear a mild thump when you switch from cold to hot. Turn the fan down so you can hear. If not,look for a small vacumm hose in the engine compartment by the heater hoses coming from the firewall. This feeds the switch that moves the heaterdoor. It works off of vacumm. If the door is working, you may need to bleed the coolant going into the engine. There should be a small square plug on top of the thermostat housing. This lets air out of the engine as you fill it with antfreeze. Take this out or the housing off and then make sure it is full.

Posted on Dec 30, 2012

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Posted on Jan 02, 2017

  • 512 Answers

SOURCE: Heater blowing cold air on 2003 Dodge Grand Caravan

misty check the water level in the radiato...if it is low the last thing to get any water is the heater core..if low you will need to find the reason...like a water pump or headgasket leaking

Posted on Nov 12, 2008

  • 979 Answers

SOURCE: my heater is blowing cold air 2005 dodge grand caravan

In this order check the following:
Antifreeze level
thermostat
blend door
blend door motor...accordianman

Posted on Dec 16, 2008

  • 651 Answers

SOURCE: heater blowing cold air

squeeze the hoses to get any air bubbles out and refill coolant as necesary. are you sure you put thermostat in the right way? may be backwards. also may be your sensor.

Posted on Jan 04, 2009

  • 4 Answers

SOURCE: Heater on driver-side blows barely warm air other vents blow cold

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

  • 1779 Answers

SOURCE: 2001 Dodge Caravan heater blows cold air when stopped

Have you checked the coolant level? What you describe is exactly what happens if the coolant level is low. When stopped at idle, hot coolant is not circulating through the heater core, so no heat. As the engine increases in rpm's when you pull away from the light, the water pump is spinning quicker, and some coolant is making it to the heater core. So check the level, and if it is low, keep an eye on it to see if it drops again. That of course indicates a leak somewhere. Get it fixed, as overheating the engine leads to costly repairs and worse case a new engine. Let me know how you make out with this.

Posted on Dec 05, 2009

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