Question about 1998 Cadillac DeVille

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What is normal operating temp on highway? - 1998 Cadillac DeVille

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Hi, normal operating temps for your car should be 188 degrees and 206 degrees. If there is anything else you need to know just ask. Thank you

Posted on Sep 02, 2010

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195f

Posted on Sep 02, 2010

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Normal op temp in your car is 208 to 218, +/-. It varies from car to car depending on radiator cond, coolant, My fans come on at 218, It can go up from there to 250 or so , but I would shut it down before then. I don't care what coolant boils at. , somethings wrong. If it runs cooler, that is ok too, outside temp has a hand in the temp too. Hope this helps.

Posted on Sep 02, 2010

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