radiator fan not working sometimes
The motor can sometimes overheat. If your Edge has a bad engine temp sensor the radiator fan wont know to come on because the ECU wont know how hot the engine is.
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Ensure that the wires are firmly attached and are not damaged.
. Other then that the ECM controls the fan via the input from the temp sensor. If the fan doesnt work with direct battery power examine the terminal that plugs to the radiator fan connector. Answer 1 of 11.
Sometimes a relay gets stuck so make sure it. If the compressor is working but not the fan it is indicative of either motor or capacitor failure. RADIATOR FAN STAYS ON ALL THE TIME CHEVY CHEVROLET GMC BUICK CADILLAC Car Scanner.
Make sure the fuse for the radiator fan is intact. Step 1 Check the fan switch relay. There could be a shorted wire or a stuck component.
It will have to get to operating temp. Once you connect the fan to battery power your fan should start running. Then test for incoming voltage at the terminal with your digital multimeter DMM.
BUT sometimes it will run hot while sitting and idling but cools off and temp is normal while driving. Honda Fans not working. How does the radiator fan work.
As others have said you should not but yes you can and time distance speed ambient temp and the condition of the vehicle are all factors that determine how long you can do it. Sorry about the confusion. The radiator fan switch relay may not be supplying power to the fan.
Radiator fans will burn out a fuse because it is failing and creating too much amperage. Try unplugging the fan connector relay or fuse. If the engine is heating but the fan isnt kicking in check the fan wires.
Sometimes the cause of radiator fan failure is as straightforward as a broken-down motor. Two control terminals and two power terminals. DO this easy check FirstIf your Honda Fans arent working it can be easy repair.
In that case the inside fans cannot stop working. The Radiator Fan Motor Is Damaged. Before the fan will come on.
The most common sign that your radiator fan is broken is when it stops working. One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. Its behind and above the starter on the left sidegrin.
Sensor on the passanger side of. My radiator fan does not kick in at the usual 108C sometimes it only kicks in when I start the AC sometimes not. The one that stops the fan is the part of the circuit that you need to check.
If you notice that your engine is running at higher temperatures than normal. Heres a comprehensive look at the most common reasons why your radiator fan is not working. Ad Have Auto Mechanics Come to You.
Youll need to locate and test the engine temp sensor. If there is no sound to indicate that the compressor and fan are working it points towards a break in the power supply or a faulty compressor contactor. Look for corrosion and damage.
I found that both the radiator fan and the AC fan w. Second look at the wires and identify which ones are power wires and which ones are ground wires to avoid any confusion. Here is the situation.
There are three ways to check for a bad terminal. I would check the electrical conditions and look for any damaged wires at the sensor and fan. Typically you would be alright for the first 57 miles or about 25 minutes which is when the.
Up to 8 cash back Usually a faulty cooling fan relay will produce a few symptoms that can alert the driver that service may be required. Voltage spikes high resistances in control circuits defective vehicle batteries bad wiring short circuits moisture corrosion and even excessive vibration due to damage to the fan itself can all cause a fan motor to fail. Check for any damage and clean the connector.
Get a fuse kit here with multiple sizes for multiple quick repairs. See which one turns off the fan. Httpsamznto2G5lxTi Check out our Amazon Store for the tools and.
If it doesnt come on replace the radiator low coolant. If it is not replace it immediately and this should take care of the problem. Found the problem it was the temp sensor.
There is no clear pattern. Ive come to realize that the radiator fan is not coming on. Then I reset ECU through removing negative battery terminal and works again for a little while.
Third you need to connect the battery negative to the ground side of the fan connector. You can change the fuse but a defective fan will probably cause another one to go out. Start by unplugging the wires.
I put a new coolant temp switch in it aftermarket and the condensor fan comes on when the car is hot and I turn it off but the radiator fan will only come on sometimes. 7 Days a Week. See if the drivers side fans comes on.
As such problems with any involved components can cause the radiator fan to stop working. The radiator together with the lubricating fluid that decreases friction and the exhaust system that removes heat from the combustion chamber is one of the engines multi-part cooling systems. Depending on the model year and engine the location varies.
If necessary a replacement relay costs around 20. 7 Days a Week. 1 Year12K Mile Warranty.
If it does end up being this sensor they are very affordable. Finding the exact cause of a radiator fan motor failure is not always easy and unless the cause is obvious diagnosis. Hopefully I made myself clear.
Start the car and let it idle with the AC off and. First note that the relay has four terminals. Sometimes when AC is onby which I mean the inside fans are on the outside fan is not on and it looks likeI am not sure the compressor is not working either because I cannot hear any noise from it.
When the electric motor surges the fuses blow to ensure the system stays safe from this extra power. Sometimes the fan work correctly for a few hours and then stops and the engine overheats. A motor breakdown can happen.
If the AC compressor fan is not working these could be the probable problems.
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