Question about 2002 Dodge Caravan

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HELP ASAP , OVER HEATING

Van is over heating, heat not working, fluids full so they changed thermostat and put new radiator because we found a crack. Thought it was fixed, drove it for test run, Gage went up to hot again, pulled over steam coming out but no fluids leaking, tried pulling thermostat out just so he could drive to work ( temp.) But as soon as he drove it went up to hot again! So now what, others said uptake plugged, or water pump, any ideas please! :)

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Check for water in oil if so blown head gasket

Posted on Nov 18, 2013

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You need to have the system check for pressure-it should be about 17psi -if it goes higher you have a blown head gasket which is blowing the coolant out of the system-or you might just have a radiator cap which is failing to hold pressure-up to 17psi- also youmay not be getting all the air out of the system and have an air pocket which will get super hot and steam the antifreeze- have the system vacummed down and the antifreeze will be sucked back into the system eleminating the air pockets-so you have a few things to look here-Ihopr this helps-Denny

Posted on Nov 18, 2013

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  • Lisa Taylor
    Lisa Taylor Nov 18, 2013

    he said they checked, no water in oil...

  • Lisa Taylor
    Lisa Taylor Nov 18, 2013

    its craziness! thanks for help, any other suggestions would be greatly appreciated!

  • Lisa Taylor
    Lisa Taylor Nov 18, 2013

    also they tested it in driveway , revving rpms while in park, didnt get hot, only when we actually get on rode and after about 5 minutes it goes up to hot!

  • Lisa Taylor
    Lisa Taylor Nov 18, 2013

    a couple people said water pump???

  • Denny Giesel Nov 19, 2013

    the only time I've experienced water pump failure the bearings would go out and leak a puddle right under pump-combustion leaking into coolant will not put oil into water-the same thing for coolant leaking into combustion chamber and burning and causing white smoke and a sweet smell out the tailpipe-are the fans kicking on-to check this start engine and run a/c on max this will turn both fans-hope this helped -Denny

  • Denny Giesel Nov 19, 2013

    another thought -slipping belt-a worn belt may cause this -you could spray belt dressing on old one to see if this helps- cheers Denny

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check and see if there is a bleeder for the cooling system its usally located be the thermostat , there is a posibility it could be air bound. also if your claim is overheating and you are seeing this on the gauge try to verify coolant temp with a scanner you may have a bad sensor for the gauge-Goodluck

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You have two fans, one should cycle if the engine gets up to temp. say 190degs. The other should come on if you turn on the A/C. So start the engine check the fans, then turn on the A/C recheck the fans. One should be running with the A/C on. If not, this is the cause of your overheating problem. Check all your fuses, go to a local parts store and have a clerk check the fan relays.

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