Question about 2004 Chrysler Town & Country

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My 2004 Chrysler T&C's heater works great when I first turn it on in the morning, while driving to work it turns to only cold air. What could be causing this issue?

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That's weird - it seems like the thermostat is open when you start the mini-van (its supposed to be closed at engine start-up), and then the thermostat closes as the warms up (its supposed to open).
If you can replace thermostat, that may be the thing to do, since these thermostats often cost less than $10. Once the T&C has a new thermostat, see if the heater behavior improves, if so, discard the old thermostat.

Also, if your thermostat is actually behaving the OPPOSITE of a normal thermostat, then you're at
risk of burning up (overheating) your engine - on any trip longer than the commute to work. An engine at operating temperature needs to circulate coolant to/from the radiator (and/or heater core) to avoid overheating. So thermostat replacement may save your entire engine. In the meantime, your T&C will avoid self-destruction only if driven REALLY short distances.

Posted on Oct 12, 2010

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