Question about 2002 Dodge Caravan

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Overheating, I have changed the thermostat and it's not the radiator. What else could it be????

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Air bubble in system

Posted on Apr 11, 2015

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The radiator fan/s may not be working. Is the check engine light on? It may have a code for rad fan relay module. Check the underhood fuse relay center for a blown fuse. It will be a large posibbly orange 40amp fuse. If blown try turning the fans with your hand to see if they move freely. Sometimes they seize and blow the fuse. If all checks ok... You could have a rad fan control module issue if the fans don't come on

Posted on Apr 11, 2015

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Could be trapped air in the engine. Minivans are notorious for this. They way they are constructed, they have water in locations higher than the top of the radiator. This requires them to have bleed ports in certain locations on the coolant system to vent off the trapped air. It could also be a bad water pump, or you could have a blown head gasket. These will also cause overheating.

Posted on Apr 11, 2015

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