How do I know if my cooling fan relay is bad?
One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. If you notice that your engine is running at higher temperatures than normal, that may be a sign that the relay is not functioning properly.
Are both cooling fans supposed to run?
Both radiator fans should always run when the coolant temperature sensor in the bottom tank of the radiator reaches about 212*F. If the coolant level in the radiator is low, that can cause overheating inside the engine without the radiator fans running.
What to do if your cooling fan isn’t working?
2:46Empfohlener Clip 121SekundenHow to Repair a Cooling Fan in Your Car – YouTubeYouTubeBeginn des vorgeschlagenen ClipsEnde des vorgeschlagenen Clips
Can a bad thermostat cause radiator fan not to work?
If the thermostat is stuck open (allowing coolant to flow) it can cause the engine to run cooler than normal so obviously the fan wouldn’t come on…..but not like the engine/coolant can be running too hot and the thermostat somehow effects the sensor reading or operation of the fan.
How do I know if my coolant temperature sensor is bad?
Symptoms of a bad or failing coolant temperature switch (sensor)Poor fuel economy. One of the first symptoms associated with a problem with the coolant temperature sensor is poor fuel economy. Black smoke from engine. Another symptom of a possible problem with the coolant temperature sensor is black smoke from the vehicle’s exhaust. Overheating engine. Check Engine Light comes on.
Can you run a car without a temperature sensor?
What Happens If You Unplug The Coolant Temp Sensor? Unplugging the engine coolant sensor while the car is running will likely cause the engine to stumble and run rough. Unplugging the engine coolant temperature sensor before starting the engine may result in a no start, especially likely on a cold morning.
What happens when a thermostat goes bad?
If your thermostat goes wrong, you might have severe problems in your engine that can lead to vehicle damage. Thermostat failure can happen due to many reasons, including problems with the water pump, issues with the engine’s radiator, and damages in the drive belt.
Is it bad to drive with bad thermostat?
Most automobile mechanics will tell you it is not a good idea to drive your car without a thermostat installed. If your thermostat becomes stuck in the closed position, though, this will cause your engine to overheat and make driving your car impossible.
How can you tell if your thermostat is stuck closed?
If you notice that the engine is hot but the radiator and the upper radiator hose are cool to the touch, there may be a thermostat issue. Both hoses should be warm to hot. If one hose is cold and the other hot, this is a good indication your thermostat is stuck closed.