How do you know if your radiator fan switch is bad?

How do you know if your radiator fan switch is bad?

The best way to tell if your cooling switch is faulty is to listen to your engine while you drive. You know how your engine is supposed to sound, and if you notice that you don’t hear the fan as often as you normally do during your afternoon commute, you might have a failing switch.

Where is the thermo coolant fan switch located?

The cooling fan switch should be located near the thermostat housing on the left side of the engine, behind the distributor assembly.

What is a thermal fan switch?

This thermal switch is designed to activate your fan relay when the fluid temperature reaches 190° F (88° C). The switch turns off when the temperature drops down to 175° F (80° C). It must be used to control a fan relay.

How do I know if my temperature sensor is bad?

What Signs May Signal Your Coolant Temperature Sensor May Be Failing?

  1. Poor Fuel Economy.
  2. Irregular Temperature Readings.
  3. Black Smoke from Your Exhaust.
  4. Your Engine is Overheating.
  5. Your Check Engine Light is On.

Does the coolant temp sensor control the fan?

The sensor works by measuring the temperature that’s being given off by the thermostat and/or the coolant itself. The temperature is then sent to the on-board control system. As the control system receives the temperature from the CTS, it may trigger the cooling fan to either shut off or turn on.

Why my radiator fan is not working?

The most common reasons a radiator fan is not working are luckily due to a blown fuse, bad relay, or a broken wire. It can also be caused by a faulty coolant temp sensor, low coolant level or the fan itself can be damaged.

What sensor controls the radiator fan?

coolant temperature sensor
On most modern cars, the cooling fan is controlled by the Engine Control Unit (ECU) which gets a signal from the coolant temperature sensor.

Why does my radiator fan not turn on?

What happens if car radiator fan is not working?

What happens if the cooling fan stops working? If your cooling fan stops working, your engine could overheat. This could cause damage to your engine parts. It’s a serious issue and needs to be looked at by a garage.