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1992 Dodge Caravan Question: Heating Problem

 

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Timber7, 3.3L V6, Colorado Springs, CO, August 13, 2009, 18:33
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When the engine warms up the fan does'nt always come on.I relaced the thermostat,radiator cap,fan motor and flused out the fluid.But it still over heats but only when I deliver mail.I had two mechanics look at it and neither could get it to overheat.One suspects blown head gasket.Any sugestions would be appreciated.

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  • Answer #1

    August 14, 2009, 13:02
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     Master

    Your cooling fan is controlled by a temperature sensor and a cooling fan relay. I would scan the data stream and watch the activity of the temp sensor and the 'cooling fan' on data point. Do you have to add coolant on a regular basis? Good Luck!

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