Coolant and radiator

Asked by Tiffany Jan 07, 2020 at 10:52 AM about the 2007 Dodge RAM 1500

Question type: General

if I'm driving and the thermostat goes almost
passed the halfway mark and all the sudden goes
back to the middle to normal what does that mean
should I change or add some coolant to it since the
temperature has changed here it's gotten colder
the radiator cap is not hot or it doesn't smell like
it's overheated either

1 Answer


It should be ok. As temperature goes up, cooling temperature sensor sees it and turns on cooling fans, after temperature drops back, cooling fans turn off and that's why u see the temperature swings. Just make sure it doesn't go too hot, if it does then u need to check cooling system.

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