Table of Contents
Why are my radiator fans not turning on?
If the fan doesn’t come on, you need to look for a blown fuse or breaker. In older cars, you might have a fusible link – this is wire within an insulated block of rubber. Try to grab the end and stretch it. If the wire stretches, the wire link could be broken and you’ll need to replace it.
What happens if car fan stops 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.
Can I drive my car if the fan is not working?
As such, you should never drive your vehicle if the cooling fan isn’t working even though you can. If the radiator does not have cool air blowing on it constantly, it will overheat eventually, so you’d need the perfect combination of weather and traffic to drive effectively without a radiator fan.
What is a symptom of the radiator fan not working?
What happens when a radiator fan stops working? It will cause a loud whirring noise and a stuck open thermostat (which will not allow the engine to reach the average operating temperature). A lousy radiator cooling fan could cause a blown circuit fuse, a malfunctioning relay, and engine overheating.
What causes a fan to stop working?
This could be because the circuit breaker has tripped or is off. Check your panel to confirm this. If the circuit breaker works fine, it could be a problem with loose wiring and connections. Your ceiling fan could also stop working due to internal defects namely shot ball bearings or an overheated motor.
How do I know if my fan relay is bad?
Symptoms of a Bad or Failing Cooling Fan Relay
- Engine running hot. One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats.
- Cooling fans do not function.
- Cooling fans stay on at all times.
How can you tell if a fan relay is bad?
Can a bad thermostat cause fan not to come on?
Broken Thermostat Thermostats are known to go bad and cause all sorts of cooling issues. If this thermostat doesn’t open when the engine reaches the working temperature, the coolant will stay inside the engine block and the engine will start to overheat. This will result in the radiator fan not working.
Why is my car fan not blowing?
Your air intake is clogged, meaning that air isn’t getting in from the outside at all or isn’t circulating properly. There is a blown fuse in the ventilation system. Electrical issues such as a bad relay. Damaged blower motor.
How can you tell if a fan fuse is blown?
You can tell if the fuse is blown if the fan doesn’t even try to spin or makes no noise. If you manually eject the blades, still nothing (sometimes they start when they get stuck). But if the fan makes a noise when it tries to start, it’s not the fuse.
How do you lubricate a fan motor?
- Remove the front grill of the fan.
- Lay the fan down on a flat surface with the exposed face up.
- Apply a light nondetergent household oil that is SAE20.
- Spray the shaft carefully with lightweight lubricant.
- Reassemble the fan and test.
- Remove the front blade guard by prying off the clips or removing the screws.
What happens when a relay goes bad?
If the ignition relay shorts, burns out, or otherwise fails while the engine is operating it will cut off power to the fuel pump and ignition system. This will cause the vehicle to immediately stall due to fuel and spark being cut off.