Overheating

Tiny
ELIDA ARRIAGA
  • MEMBER
  • 2000 CHRYSLER 300M
  • 174,389 MILES
My car overheats. I have changed thermostat, radiator, and water pump. But still overheats. What is the problem?
Wednesday, July 26th, 2017 AT 1:22 PM

1 Reply

Tiny
HARRY P
  • MECHANIC
  • 2,292 POSTS
Is the cooling fan coming on when the car is warmed up? If not, then that is your problem. Check this article out:

https://www.2carpros.com/articles/how-an-electric-cooling-fan-works

Your car has an electric fan.

If your fan is not coming on, the problem could be in a coolant temperature sensor. It could be not reporting the temperature to the engine computer, which is in turn not turning on the fan when needed. This is a common issue among pretty much all cars with electric fans. So start with checking that and let us know what you find. We will go from there.
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Wednesday, July 26th, 2017 AT 2:12 PM

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