If you notice any of these issues, pull over as soon as you can safely do so. This includes steam or boiling coolant, engine pinging or knocking sound under the hood, and reduced power. You will need a multimeter to read the resistance of the coolant temp sensor during the test. BMWs engineers clearly thought that was perfectly acceptable, and that the temp isnt dangerous until 124. My rationale being that the factory gauge has 75-115 as the normal operating temperature range. To avoid this, you should pay attention to the temperature gauge in your car and recognize any signs of overheating. In the thread I started yesterday about OBDii coolant gauges, I thought 115C might make an appropriate value for the alarm trigger. Unfortunately, that pressure increase leads to more heat and can even lead to a blown head gasket. This is bad news for multiple components of your car, including the radiator and water pump. When the coolant overheats, it starts to boil increasing the pressure inside your cooling system. Overheating is a bad experience for your car.
Coolant temperature range how to#
It's important to recognize the signs of overheating and how to deal with them accordingly. That number might seem high, but it's designed for the engine to run at the most efficient mode.Īlthough your car will operate within this temperature range most of the time, there are some instances where things could be running too hot or too cold. Unfortunately, this varies widely by car model and year.įor most cars, 90 degrees Celsius or 194 degrees Fahrenheit is considered a normal coolant operating range. A normal coolant temperature for a vehicle is one that is within the manufacturer's recommended operating range.
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