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Cooling fan. How to repair a cooling fan in your car DIY with Scotty Kilmer. How to inspect and repair a cooling fan that's not working. There's many reasons...
- 3 min
- 1.8M
- Scotty Kilmer
39. 5.2K views 4 months ago #radiatorfan. Facing issues with your radiator fan? Today, we break down the common causes behind a non-functional radiator fan and step-by-step solutions to...
- 8 min
- 17.4K
- Mechanic Base
Aug 27, 2017 · Subscribed. 19K. 2M views 6 years ago Nissan Maxima Maintenance and Repair. If your vehicle is overheating due to a non-working cooling fan motor, this video will show the steps involved...
- 18 min
- 2.1M
- CarsNToys
- How to Fix A Cooling Fan
- In This Article
- How The Cooling Fan Works
- Some Troubleshooting Shortcuts
- Troubleshooting Your Cooling Fan
- Reminders
- Questions & Answers
Cooling fan problemscan be hard to diagnose, depending on your vehicle model and the type of failure. Still, you can avoid much of the confusion using a troubleshooting plan. If your electric radiator fan isn't coming on after the engine reaches operating temperature—the key here is operating temperature (more on this later)—you can bet there's som...
Cooling Fan Operation Troubleshooting Shortcuts Cooling Fan Troubleshooting 1. Has Your Cooling Fan Actually Failed? 2. How to Test the Cooling Fan Motor 3. Checking Wires, Connectors and Related Components 4. Testing the Cooling Fan Temperature Switch 5. Testing a Cooling Fan Relay
If the cooling system in your vehicle uses an electric cooling fan, most likely you have a transversal (sideways) mounted engine. However, some longitudinal (front to rear) mounted engines use the electric fan as well, but they usually have an engine-powered cooling fan. The electric cooling fan uses a direct current (DC) electric motor with a ther...
If you think the cooling fan isn't working because your temperature gauge is indicating overheating, open the hood, start the engine, and let it idle for 15 to 20 minutes. If the fan comes on, you...A cooling fan temperature switch (or sensor, in some vehicles) can also get stuck, which may cause the fan to run continuously any time you turn the ignition key on or start the engine. Troubleshoo...On some modern vehicles, an ambient air temperature sensor, vehicle speed sensor, and other sensors may provide input to the car computer to determine radiator fan operation. Consult your vehicle r...Troubleshooting a cooling fan that doesn't work can be a relatively straightforward task at times. Usually, the problem resides with the fan motor itself, a thermo switch, relay, wire, or (less commonly) the computer or module itself.
When checking for cooling fan problems, make sure the fan shroud and other original equipment aim to improve air flow around the engine in place. Missing equipment can greatly reduce a radiator fan efficiency. Many modern vehicle models have a much more complex cooling fan circuit that the ones described here. Refer to your vehicle repair manual to...
Question:My cooling fan is not working on overheating, but it works with A/C. Why is this? Answer:You may want to check the coolant temperature sensor. Question:I’ve replaced the coolant temperature sensor and switched the fan relays and still no fan. I know my fan works cause when I unplugged the sensor it came on. What could be the problem with m...
- You Find A Leak from Somewhere. Leaks are the problematic issues with cooling systems as there are multiple components in the system and they all have connections.
- Your Car is Overheating. Overheating isn’t just a problem for those hot summer months. It can happen under any weather conditions, come rain or shine.
- Your Car Is Overcooling. You may think that your car running cooler or at a lower temperature than it’s supposed to would be a good thing, but it’s not always the case.
- Your Cooling Fan Is Broken Or Not Working Correctly. Your car’s cooling fan is either mechanical or electrical, and the sole purpose is to assist the cooling system by rejecting heat.
Jan 5, 2016 · 1. 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. 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.
People also ask
Do all cars use radiator cooling fans?
Can a cooling fan come on a hot engine?
What are the symptoms of a faulty cooling fan motor?
How do I troubleshoot a cooling fan?
Jan 5, 2016 · 1. Cooling fans do not come on. The most common symptom of a faulty cooling fan motor are cooling fans that do not come on. If the cooling fan motors burn out or fail, the cooling fans will be disabled. The cooling fan motors work together with the cooling fan blades to pull air through the radiator.
