Why does my radiator fan fuse keep blowing?
If your cooling fan circuit fuse has blown, this is another sign of a problem with the radiator fan motors. If your motors fail or surge unexpectedly, then this can cause the fuse to blow. The fuse will blow to protect the rest of the system from further damage due to the unforeseen electrical surges.
What size fuse do I need for a radiator fan?
The fan itself often uses a big fuse of around 50A, while there might also be a separate small fuse to the fan control module. Remember that if the fan fuse is blown – there might be a problem with the wirings or the radiator fan.
What kind of Fuse do you use for a fan?
The fan itself often uses a big fuse of around 50A, while there might also be a separate small fuse to the fan control module. Remember that if the fan fuse is blown – there might be a problem with the wirings or the radiator fan. 2. Faulty Coolant Temperature Sensor
What is the radiator fan on a car?
The radiator fan is positioned between the radiator and the engine, and is in charge of cooling the car. These cooling radiator fans are especially helpful when your car is moving too slow to obtain external airflow, or when you are stationary, and air can't move through the grille.
How can you tell if a fan fuse is blown?
Look at the fuse wire. If there is a visible gap in the wire or a dark or metallic smear inside the glass then the fuse is blown and needs to be replaced.
Does fan have a fuse?
Check the Fan Fuse Many fans — especially large, industrial-strength ones — are equipped with a thermal fuse for safety. Like the circuit breakers in your house, these fuses are designed to break the electrical connection when too much electricity causes your fan to overheat.
Where is the radiator fan relay fuse?
0:222:21RADIATOR FAN FUSES AND RELAYS LOCATION (2010 - 2017)YouTubeStart of suggested clipEnd of suggested clipAll the fuses. And relays will be located in the main fuse box under the front hood.MoreAll the fuses. And relays will be located in the main fuse box under the front hood.
What causes the radiator fan not to work?
Defective temperature switch, coolant sensor or other sensor. Engine thermostat is stuck OPEN (engine never gets hot enough to turn on the fan) Faulty fan relay. A wiring problem (blown fuse, loose or corroded connector, shorts, opens, etc.)
Can you drive with one radiator fan not working?
Yes, you can drive your car without a radiator fan, but you never should. Your vehicle's cooling system is crucial to its performance, and every time your engine overheats, you cause damage.
How do you change a fuse in a fan plug?
0:091:08How To Change The Fuse In A Plug by Argos - YouTubeYouTubeStart of suggested clipEnd of suggested clipFirst turn the plug over so that the metal pins are facing up you will notice a small rectangle inMoreFirst turn the plug over so that the metal pins are facing up you will notice a small rectangle in the center of the plug. Usually a different color to the rest of it.
How do I know if my radiator fan relay is bad?
Bad Cooling Fan Relay SymptomsThe engine runs hot or overheats. ... The cooling fans don't work. ... The cooling fans keep running. ... Warning lights. ... Poor air conditioning performance. ... Swapping Relays. ... Measuring the Relay Coil's Resistance. ... Listening for Noises.More items...•
What relay controls radiator fan?
The fan relay is usually located near the bottom of the engine compartment on a metal frame member. The metal acts as a heat sink to keep the fan relay cool. So, unplug the connector at the relay and repeat the check for power. If you get power, you've got a bum relay.
How do you test a radiator fan switch?
1:445:08Coolant Fan Switch Testing WITHOUT Removing From The VehicleYouTubeStart of suggested clipEnd of suggested clipAnd once it hits around 200 degrees fahrenheit it sends a signal to the car's computer to say hey i'MoreAnd once it hits around 200 degrees fahrenheit it sends a signal to the car's computer to say hey i'm warming up turn on the fans.
How do I manually turn on my radiator fan?
1:025:42Installing a Manual Fan Switch for Electric Radiator Fans - YouTubeYouTubeStart of suggested clipEnd of suggested clipNow any car that has an electric radiator fan can be set up with a switch now the idea is to use theMoreNow any car that has an electric radiator fan can be set up with a switch now the idea is to use the switch to ground out one of the pins on the fan control relay.Installing a Manual Fan Switch for Electric Radiator Fans - YouTubehttps://www.youtube.com › watchhttps://www.youtube.com › watch
What tells the cooling fan to come on?
Fan Trigger The engine temperature should trigger the fan to turn on. It will also turn the fan off once the engine has cooled to under 200 degrees. You may have heard of a part called the radiator fan switch or temperature fan switch. This is linked to a thermostat and works much like your home's HVAC system.What Temp Should My Fan Kick In? - Doc Motor Works Auto Repairhttps://www.docmotorworks.com › what-temp-should-my...https://www.docmotorworks.com › what-temp-should-my...
How do you jump a radiator fan?
0:282:45How to Repair a Cooling Fan in Your Car - YouTubeYouTubeStart of suggested clipEnd of suggested clipThese cooling fans are 12 volt DC motors. So it doesn't matter if you hook them up backwards. They'MoreThese cooling fans are 12 volt DC motors. So it doesn't matter if you hook them up backwards. They'll just run backwards you won't hurt the motor.How to Repair a Cooling Fan in Your Car - YouTubehttps://www.youtube.com › watchhttps://www.youtube.com › watch
Why does my radiator fan fuse blow?
If your cooling fan circuit fuse has blown, this is another sign of a problem with the radiator fan motors. If your motors fail or surge unexpectedly, then this can cause the fuse to blow. The fuse will blow to protect the rest of the system from further damage due to the unforeseen electrical surges.
What is a radiator fan?
The radiator fan is positioned between the radiator and the engine, and is in charge of cooling the car. These cooling radiator fans are especially helpful when your car is moving too slow to obtain external airflow, or when you are stationary, and air can't move through the grille.
How Does A Radiator Fan Work?
Since we know what a radiator fan is, the two types of radiator fan, and the history of the radiator fan, we need to now understand the step-by-step process of how a car radiator cooling fan works.
What If I Don’t Have The Money To Replace My Radiator Fan?
If you feel like your radiator fan replacement is too expensive for your current financial state, you might want to turn in your car to a junk dealer. A junk dealer can give you a fair quote, great customer service, and quick cash for your car.
How much does it cost to replace a radiator fan in a 2008 FX45?
The total price of a radiator fan replacement varies drastically. For a 2008 Infiniti FX45, the parts are only $87, labor cost is $80, and the total average is around $194. This is the least expensive total cost on this list. The second-lowest-priced option is the 2012 Subaru Forester, coming in at a total of $337 total on average.
Why does my clutch radiator fan fail?
A clutch radiator fan has the possibility of failing while in the process of doing its job. The first way this kind of radiator fan can fail is by locking up , which would directly cause poor mileage and a loud, whirring sound. The second way this fan can fail is by the silicone grease leaking, causing the fan to fail in pulling air through the radiator, making the cooling of the car impossible.
Why does my car overheat when the cooling fan is on?
If the cooling fan is failing or damaged, the engine temperature will continue to rise, and eventually overheat. Engine overheating could also be the result of other problems, so be sure to have your vehicle diagnosed by a professional before assuming it is your radiator fan.
Why is my radiator fan not coming on?
Because the radiator fan is often drawing so much power, there is often a relay that is powering the coolant fan. Of course, this relay can get damaged, which will cause the radiator fan to not coming on.
What is the fuse size of a fan?
The fan itself often uses a big fuse of around 50A, while there might also be a separate small fuse to the fan control module. Remember that if the fan fuse is blown – there might be a problem with the wirings or the radiator fan.
How to test radiator fan?
You can test the electrical radiator fans by taking a wire from the car battery, unplug the radiator fan connector, and put 12v+ and ground into the connector. This is the fastest and easiest way to test your radiator fans.
How to check if radiator fan sensor is working?
You need to check your repair manual of which temperature sensor controls the radiator fan and then resistance-measure the sensor with a multimeter to ensure it is functional.
Why do we use radiator fans?
When you are driving fast, the wind passes through the radiator to cool the coolant down without issues, but when you are driving slow, no wind is pushed through the radiator. This is why we use a radiator fan.
Why does my radiator fan control module fail?
This control module is often installed in the engine bay, exposed to heat and dust. This can make the control module fail after a while because of corrosion.
Why won't my radiator fan start?
You probably already know the purpose of the radiator and the cooling system in your car. When you are driving fast , the wind is passing through the radiator to cool the coolant down without issues , but when you are driving slow , there is no wind pushed through the radiator.
Where is the cooling fan on a radiator?
In your radiator, find the cooling fan. You will be able to find this fan either in the front or in the back of your radiator. There will be bolts that hold it into place. Get out your ratchet to remove them. Once you have removed the bolts keep them nearby to make installation easy. Slowly pull out the fan.
How to tell if fuses are broken in fan?
The fuses should be easy to spot inside of your fan. You will be able to tell which fuses are broken by simply holding them up to the light. Look to see if there are circuits that are connected. You may also need to get out a multi tester for your fuses to check the rest.
How to make a fan last longer?
While you already have your fan out it is a good idea to clean it. This will help it to last longer. Even if your fan has no issues you will be able to get a good look at it to see if there are any beginning problems. Get some degreaser to dampen your rag in and clean off your fan. Pipe cleaners may be necessary to get into all of the nooks and crannies.
Why won't my radiator fan come on?
Once the temp gets so hot, the ECU commands the radiator fan to come on. If your Focus has a bad engine temp sensor the radiator fan won’t know to come on, because the ECU won’t know how hot the engine is.
What does it mean when the radiator fan is not working on a Ford Focus?
It is the last line of defense between you and an overheating engine. If the radiator fan is not working, it’s a serious problem.
How to tell if a fan relay is bad?
You can test the voltage going from the fan relay to the fan itself. If it is getting 12+ volts, the fan should be coming on. But if it’s not, which means the fan has gone bad.
Can a fuse blow again?
Unless the wiring issue is fixed, the fuse will blow again. The wiring harness itself can go bad. Your author has personally had a shredded tire completely pull the fan wiring out of his vehicle. It can happen. The fan wiring is some of the more vulnerable wiring in your Focus.
Do fan clutches wear out?
Fan Clutch. Like any other clutch, a fan clutch will wear out over time. If everything else seems on the up and up, the springs in the fan clutch have worn past the point of proper function and can no longer do their job.
Can a Focus radiator fan kick on?
Your Focus’s radiator fan will not kick on. If you do have low coolant, don’t fill it up until the engine has cooled off. Adding coolant to a radiator dry enough not to trigger the engine temp sensor can cause problems from drastic temperature change. Let it cool down first.
