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What is the ideal operating temperature for the coolant in a Cadillac DeVille?
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★ Top Answer
The car's idle temperature is not crucial, but the coolant of a Cadillac DeVille should ideally stay within the range of 160 to 190 degrees Fahrenheit during normal operation. If the coolant exceeds 190 degrees F, there is probably an issue with the cooling system. Sometimes, the temperature sensor could be faulty, causing inaccurate readings. It is important to replace the sensor in such cases, as a coolant temperature above 190F can lead to serious issues with the car in the future.
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The ideal temperature for your Cadillac Deville to operate properly is between 160 and 190 degrees Fahrenheit.
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