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2004 Chrysler Town & Country Question: Little or No Heat

 

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AJ-NH, Raymond, NH, January 23, 2011, 11:44
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No heat or little heat is coming from the heater. Don't smell coolant, although we've had to add more as of late. No obvious leaks (puddles under car). I replaced the thermostat over the summer and hoses seemed to be OK. Is it the heater core? How can I tell if it is the heater core?

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  • Answer #1

    DaveJHM January 24, 2011, 00:39
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     Master

    Check to see if the hose going into the heater core is hot with a cold hose coming out. This would mean the core is restricted and needs back-flushed or replaced.

    The thermostat that was installed may be too cold for the vehicle. Verify the proper temperature rated thermostat was installed.

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    AJ-NH, January 24, 2011, 19:48
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    I'll check the inlet and outlet hoses. Could a restriction in the core cause the engine temp to rise? I'll be sure to check back in. Many thanks for the advice. AJ

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    DaveJHM, January 24, 2011, 20:57
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    A restriction in the core could allow the temperature to rise somewhat, but not to the point of overheating usually.

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  • Answer #2

    Visitor, January 24, 2011, 08:03

    Once the proper operation of the basic systems have been confirmed as the previous reply stated. There may be a heater control valve problem or possiblly an issue with the temperature control in the HVAC system.

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