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Posted on Oct 22, 2008
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Heater won't get hot on 2005 dodge caravan

I have a 2005 dodge caravan, what causes the heater to not warm up even after engine warms to operating temp. until speed is above 30 mph. Sometimes still won't warm up!

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  • 2 more comments 
  • Anonymous Oct 24, 2008

    i have simular problem with my 2000 dodge caravan i have heat sometimes but most of the time it is clod air coming through. i changed the thermostat last winter but that didnt change a thing.

  • Anonymous Mar 12, 2014

    2002 dodge caravan starting hard and chugging till it gets warmed up

  • Anonymous Mar 12, 2014

    2002 dodge caravan starting hard and chugging till it gets warmed up

  • Anonymous Mar 12, 2014

    2002 dodge caravan starting hard and chugging till it gets warmed up

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  • Posted on Oct 22, 2008
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There could be an air lock in the system, pluged heator core, a bad thermostate or control modual. try bleeding the air out through the bleeder screew if there is no heat after that have the control modual tested if its okay try having the cooling system flushed then if it still doesnt heat intall new termostate

Warren Esquirell

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  • Posted on Nov 16, 2014
Warren Esquirell
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Also look into the temperature range selector, sometimes deep in the dash, also called climate control selector module. Basically it routes the "conditioned climate" thru and to the vent area U hace the selector positioned too. Same with temperature control module. A mixing valve, sililiar to a faucet, when in a/c position it completely shuts the heater out by depriving it of hot water from ur vehicles cooling system, via a plumbing switch that goes thru a heater core, (a small radiator that hot wate flows thru, and has afan behind it, that fan has varias speeds that u select

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