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Old 09-01-2012, 10:27 AM   #1
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99 Dodge Grand Caravan running hot


I've replaced the radiator, hoses & thermostat but it will still run hot every now and then. The tricky part is there are no visible leaks. Any ideas??
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Old 09-01-2012, 12:30 PM   #2
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99 Dodge Grand Caravan running hot


Could be a head gasket. Are you getting white smoke out the tail pipe? Are the electric fans kicking on? Is it losing coolant, or just running hot?
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Old 09-01-2012, 08:04 PM   #3
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99 Dodge Grand Caravan running hot


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Old 09-02-2012, 10:53 AM   #4
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99 Dodge Grand Caravan running hot


Are there electric fans? Be sure those are coming on when they should.

Also the temperature sender for the gauge in the vehicle and/or coolant temperature sensor for the engine computer can be giving false readings. Although when I have had those go bad in the past, they indicated too cool. But might want to test those as well.

Complete testing and troubleshooting instructions would be in a 99 Dodge Caravan factory service manual set of books. Order from dealer or online at alldatadiy.com
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