Until such time as you can either complete your checks of the circuits or take the car to a service facility, pull the fuse in … If this is the case, you could be dealing with a stuck-open thermostat – this means that there will be a continuous flow of coolant, causing a lower operating temperature. If you detect zero, then your relay’s power pins have stopped working and you need to replace the relay. All information is provided "AS IS." All rights reserved. Fortunately for you, the average cost of a radiator fan is not very expensive. The job of the radiator is to keep the coolant at the right temperature so that when it travels back to the engine, it is able to take on more heat, and prevent the engine from getting too hot. I have a 2010 Chrysler Town and Country and I noticed the fan has not been ... Wiring for my furnace - common wire possible problem. If you do need to replace the fan, make sure that the replacement has the right CFM rating for your vehicle. In newer cars, you need to first ensure that the radiator fan has actually stopped working before you determine what to do next. Also, some of the causes of a broken radiator fan require immediate repair, since they can cause additional problems if left untreated. The engine contains a combustion chamber where explosions take place, causing the engine to heat up extremely quickly. If you don’t … to this site, and use it for non-commercial use subject to our terms of use. Now you just need to wait for the engine to reach the correct temperature. The operating components in the cooling fan circuit include the cooling fan fuse, relay, coolant temperature sensor and the computer. First, you need to connect your test light to the battery ground. Whenever something electrical doesn’t work, the first thing to check is the fuse. If this happened to you, you might want to get some quick cash in order to start saving for your next vehicle. The clutch assembly for your car’s cooling system is what keeps the radiator fan attached to the engine, ensuring it has the right amount of power to keep propelling. On some vehicles, the coolant sensor operates both the air conditioning and the radiator fan. If your coolant level is low there is a chance that you will get air in the system … You can bring your vehicle to CashCarsBuyer so we can scrap it – and pay you in the process! Insufficient Coolant. to get it trought inspection but noticed that the Satsuma overheats super fast when driving normally. Second, start the engine and start idling your vehicle. First, you need to unplug the wiring connector. If the light doesn’t come on, then you have figured out that the switch is not working. The cost is typically between the range of $300-$400. If your coolant level is low, then it might not feel as if your car is getting cool, even with the radiator fan turned on and working. 2. If you don’t want to buy a relay tester, you can purchase a digital multimeter that you can find in any electronics or hardware store. In older cars, you might have a fusible link – this is wire within an insulated block of rubber. home improvement and repair website. Here’s how to tell if your cooling fan isn’t working, what you should do about it and what the problem might be. Dead Wires. 2. If the motor fails the blades will not be able to spin or generate air flow. Do this by lifting the hood and listening carefully. If the wire stretches, the wire link could be broken and you’ll need to replace it. Electric radiator-fan motors are switched on either by the ignition switch - and run while the engine is working - or by a thermostatic switch. View our Privacy Policy here. After the engine has reached operating temperature, back probe the other wire at the connector. If the radiator fan is not working correctly, your car can get damaged, and if you let it go too long without a repair, the fix can be thousands of dollars out of your pocket. For this test, the only tool that you need is a test light. determine if the fan relay is causing your radiator fan to stop working, common reasons why your radiator fan is not turning on, problem might be with the radiator itself, Coolant In Oil – Can Cause Catastrophic Problems, Why a Car Stalls While Driving And What To Do When It Happens, Things To Keep in Mind When Test Driving a Used Car, Tips For Maintaining a Used Car and Keeping it Operational, Everything and More You Need to Know About the Ford Bronco GOAT System. Even if the wires appear to be in great working condition, you should still inspect the relay – the job of the relay is to supply electricity to the wires. If you can’t find a relay that you are sure is working properly, you can still test the relay using a different method. Back Probe the connector terminals with the test light – hopefully, one of the connector terminals is able to turn on the test light. If the motor fails the blades will not be able to spin or generate air flow. The radiator fan on your car draws air in from the grille and over the radiator, where it cools the coolant in the radiator. 2-Fan also kicks on when MAF sensor is unplugged. Tested Amp Draw on my split AC Compressor Common 20.5 Run 16.9 Start 7.8 Fa... 14 year old A/C problems. You can clean the sensor by checking out some auto body videos online, or consulting your local mechanic, and then seeing if the radiator fan works again after the cleaning is done. Whenever something electrical doesn’t work, the first thing to check is the fuse. Replacement may be necessary if it’s not working right. Slow then fast then back to slow. There are springs within the fan clutch that can wear out or corrode over the years. Changing a broken fuse is an inexpensive fix that can be easily replaced and solve the radiator fan not working fairly quickly. Rotated all the unmarked relays around in the junction box. It has over 180,000 miles and i've never had any problems. The cooling fan motors work together with the cooling fan blades to pull air through the radiator. Radiator Fan Not Working Let S Find What S Wrong With Your Vehicle 1carlifestyle Your Radiator Fan Stopped Working Here Are The Next Steps To Take Signs Of A Failing Radiator Fan How To Fix A Car Fan How A Car Works How To Repair A Cooling Fan In Your Car Youtube 5 Reasons Why […] If you have tried the aforementioned fixes and nothing has worked, then a fan clutch or fan belt could be the culprit. How to Troubleshoot an Overheating Engin... How to Troubleshoot an Overheating Engine. If you don’t replace your coolant level when it’s low, then this can cause the engine to become seized. Copyright© If the temperature sensor is broken, it won’t be able to transmit the signals at the proper time to the ECU – and the fan won’t turn on. A manual fan is connected to the engine drive pulleys and is controlled by a thermo fan clutch which senses radiator heat and engages when the engine is running at higher temperatures. I had purchased a T5 Lyric a few months ago and ha... Troubleshooting a Radiator Fan That Won'... Troubleshooting a Radiator Fan That Won't Start. Thermostatically controlled motors do not work the fan until the engine coolant rises above normal operating temperature, and then switch off when it has cooled down again. Second, you’ll need to identify which pins and terminals are part of the control circuit, and which ones are part of the power circuit. I have a 2013 Chevy Spark 1LT w/ Automatic Transmission with 50k miles whose radiator fan is not working when car starts to heat up. For the cold engine to warm up quickly, it is fitted with a thermostat. Blower still does not work. Website operating As soon as you feel like your radiator fan has stopped working, or your car isn’t getting cool, you need to take some troubleshooting steps in order to determine what the problem is. Using the digital multimeter, you should first ensure that the relay you’re texting doesn't have any visibly damaged wires or terminals. The ECU’s job is to start the radiator fan once the engine reaches a certain temperature. The fan might be on but newer engines can be very quiet, so you don’t hear them when you're sitting inside your vehicle. Ford Focus Head Gasket Problems – You Could Pay Upwards of $4,000. Ok. Things i have checked and done so far: 1-Fan itself works when connected to power. Switched to the original exhaust etc. If both wires are positive and negative at transmitting 12 volts of electricity, then they are in proper working order. Your Lincoln Town Car‘s radiator fan has one of the most important jobs on the vehicle.It is the last line of defense between you and an overheating engine. See Contact Test in Step 1. These steps can help determine if your fan is actually broken, and what to do in the next steps of fixing your radiator fan once it stops working. I replaced water pump and radiator and coolant temp sensor. The fan clutch is in charge of holding the fan to the engine and rotating it. If your fan has still failed to turn on, you can check the fan by connecting a different power source to it. There will be two wires of positive and negative feed. There are a few common reasons why your radiator fan is not turning on. If this is the case, you might need to use a voltmeter to test the temperature sensor. Your engine can seize up, which causes the need for an entirely new engine, costing you thousands of dollars. However, when you come to a stop, or get stuck in stop and go traffic, you’re going to overheat. The cooling fan relay is the relay that controls the engine’s cooling fans. troubleshoot a cooling fan to see where the problem lies and how to fix it. Unplug the radiator fan connector. I'm attempting to install a new thermostat ecobee3. Fuse. If the radiator fan is not working correctly, your car can get damaged, and if you let it go too long without a repair, the fix can be thousands of dollars out of your pocket. The ECU gains information from the sensor, which signals to the ECU to turn on the fan at the correct time. Check the coolant level in your engine. Make sure the fuse for the radiator fan is intact. Only one fan on radiator is working 6 Answers. Replacing the relay could fix your radiator fan from having stopped working. The fan relay will be under the hood. Start by unplugging the wires. The last case scenario when testing your radiator fan is when the fan doesn’t come on after the engine has been running for 20 minutes. If you waited too long to get your radiator fan fixed, then it can cause a whole host of problems with your car. If you can’t figure it out, take your car to a mechanic right away so he can determine the issue. The radiator fan does a very important job; it cools the radiator to stop the car from overheating. Most cooling fans use electric motors that have a moderate to high current draw, and as a result are commonly controlled using relays. The AC orifice tube / expansion device filters and regulates the … Regarding the $300-$400 range, for a quick fix and a long-term solution, that price seems pretty fair to us. You may freely link There is a part in front of the radiator called the condenser - it is essentially a radiator for the air conditioner. A radiator fan is imperative in keeping the temperature of the coolant low enough. Came home from vacation to no A/C. If the fan comes on when the air conditioning is operating at maximum volume, but doesn’t run properly when the engine is warm or hot, then you might need to check the temperature switch. In conclusion. … They run from the time i turn the truck on to the time I shut it off. You may need to look at your vehicle repair manual to see if your vehicle has a 4-wire terminal or three terminals, with two for power and one for ground wires. The radiator uses the outside air and a fan to cool the fluid in the system, while the heater core uses the heat from the coolant and a fan to warm the air inside the car. The simplest way to do this is to look at the reservoir in the engine. I've tried to bleed the air, but no air hisses out. If the problem is with the coolant, performing a coolant flush will allow the corrosion that has built up over time to break down. Checked continuity of 40 amp blower fuse; it's okay. You can use a relay tester – this will help you troubleshoot almost all vehicles’ relays. Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool. We welcome your comments and If there is not, you need to check both the wires and the fan relay to see if replacement is required. If this burns out or fails, you’ll need to replace it. Checked for battery at the blower, when the car is running. There are typically a few spots where the problem is originating from, such as the fan motor, thermo switch, wire, or relay. When the engine starts, the radiator fan starts spinning due to the power from the fan belt. Tips for Troubleshooting High Truck Engine Temperature. Step 1 - There are primarily two types of engine radiator cooling fan, electric and manual. If the radiator fan is not working, it’s a serious problem.. Just because the radiator fan is not on does not mean that it is not working. Connect one lead to the power circuit and one lead to the power terminal. 3-Fan does NOT kick on when AC is on full blast To prevent the engine from overheating and breaking, coolants are moving throughout the radiator and into the engine to keep the temperature at a workable level. Join the fastest-growing online community for car enthusiasts for in … Rotated all the PDC relays around, they have the same ID, other than ABS pump. It can be easy to be fooled into believing that the fan isn’t working, so carry out a visual check to be absolutely certain. The radiator fan itself may be faulty. When the ac is of the radiator hoses both become same heat after a while and the overflow reservoir starts boiling over and the fan do not kick in. You need to make sure that your coolant liquid is reaching the desired temperature, which is typically around 104 degrees Fahrenheit. If you’re moving, air will flow over the radiator and cool it down. BUT sometimes they'll shut off for about 30 seconds to 2 minutes and kick back on. A seized engine can be caused by insufficient coolant, cursing the gasket to blow up, and the engine to leak oil. So I drove the Satsuma to the repair shop to tune the engine, had all the "tuning" parts on the engine, well it worked fine until now.. A radiator fan is imperative in keeping the temperature of the coolant low enough. While you may be getting hot coolant/antifreeze into the heater core, the heater fan, the part that actually blows the heat into the cabin, can break or suffer an electrical short. If the sensor isn’t working, your fan won’t come on because it won’t know that the temperature is hot enough to require activation, which can frequently lead to overheating. If the fan doesn’t come on, you need to look for a blown fuse or breaker. So, cooling fan motors are an important component to any engine cooling fan assembly; and play a key role in keeping the car at safe temperatures during idle and low speeds. Run jumper wires between the connector's two electrical terminals. The cooling fan motors work together with the cooling fan blades to pull air through the radiator. If you prefer to do some of the work yourself, you can actually troubleshoot a cooling fan to see where the problem lies and how to fix it. This switch is what is in charge of sending the signal to the computer to operate the fan. Another symptom of a possible problem with the cooling or radiator fan motors is the vehicle overheating. I Was On The Freeway, Suddenly I Saw The Temperature Moving To Heat. Use a voltmeter to check that there is current present. They should be putting out around 12 volts of direct current. DoItYourself.com®, founded in 1995, is the leading independent Ensure that the wires are firmly attached and are not damaged. Faulty Heater Fan. Looked everywhere and can't find anything about this. Want to build custom radiator cover w/temp-sensitive fans to distribute air. If so, a replacement fan costs upwards of $45. Blower still does not work. Second, look at the wires and identify which ones are power wires and which ones are ground wires to avoid any confusion. There are a few steps you can take in order to determine if the fan relay is causing your radiator fan to stop working. The temperature sensor determines when the radiator fan comes on by reading the cooling system temperature. Always make sure the coolant level is up near the maximum level to avoid possible overheating. If you need to confirm if it’s in working order or not, you should turn on your engine and let your vehicle idle. Dan Ferrell (author) on May … After you have undergone all of the troubleshooting tips to decipher what part is causing your radiator fan to stop working, you need to figure out the correct diagnosis in order to figure out the part that needs replacing, or the part that needs repairing. There are a number of common problems with radiator fans, and if your vehicle has one of them, fixing it is relatively quick and cheap to administer. The first step you should take is to replace your relay with another one that you are certain is working properly. price can range from $300-$1,200 for a fix. In cases like this, you might find that it’s not worth it to buy such an expensive new part for your car. Once you replace the relay, the radiator fan should start working again. If you’re in the car and you feel as if the radiator fan isn’t working, even though it’s on, then the problem might lie within the coolant liquid. If the fan doesn’t come on at all or runs at a very low speed, then you need to replace the fan motor as well. Vehicle overheating. This article pertains to all vehicles. The temperature switch on most vehicles is typically connected to your car computer, or your powertrain computer. However, if your car has coolant in it, but still overheating, then the problem might be with the radiator itself. When I turn on the ac the fan works and keeps the car cool. Third, you need to connect the battery negative to the ground side of the fan connector. Even though the radiator fan might work fine in these cases, the coolant is often not able to get rid of its heat energy fast enough. 3. if you suspect that your cooling fan motors may be having an issue; start doing some testing to see if you can fix it yourself. Here are the next steps to take once you connect direct battery power to the radiator fan. However, if your radiator fan doesn’t begin working with the direct power, then you need to make sure there’s no damage on the terminal and test for incoming voltage. Engine fan: Most vehicles today have a thermostatically controlled electric fan that comes on when additional engine cooling is necessary. All you have to do is follow the instructions that come with the tool. If there’s voltage running from the relay to the fan, the problem is that your fan is faulty and needs to be replaced. If you have problems with the radiator fan, you need to take care of them immediately or you could cause serious damage to your car. Questions of a Do It Yourself nature should be But the rate of air flow and the air temperature now depend on what speed the vehicle is traveling. No codes on the car. Check for any damage and clean the connector. Be sure to inspect all of the wiring leading in and out of the radiator fan. Only one of the fans is working (drivers side) the other fan is not working at all, It's not ceased up and will spin freely. If it stops working, your engine could overheat and be damaged. To check it, disconnect the wires from the sensor and touch them together. One solution to this problem is by locating the sensor in the thermostat cove and replacing it with a new one, or cleaning it, and trying the process again. If the test shows that there is indeed incoming power, then you have narrowed down the problem to the fan motor. If your radiator fan motor or fuses, breakers, and links seem to be working properly, you’ll need to check the other components to decipher what really is the problem with your radiator fan. AC Orifice Tube / Expansion Valve. If you don’t know where the fuses are in your vehicle, consult your owner’s manual to see which fuse controls the cooling system. My 2013 Hyundai i10 has one fan and as far as I can see one coolant temp sensor. A coolant fan switch is a small and very simple switch comprised of typically two wires. © 2020 Cash Cars Buyer. No check engine light. This small structure can wear out after prolonged use. 6 Common Reasons for an Overheating Engi... 6 Common Reasons for an Overheating Engine. If there’s a problem with the engine’s temperature, then this can damage the radiator. The fan clutch is the assembly that holds the radiator fan to the engine and makes it turn. Your radiator fan has stopped working, and although it’s not an end-all-be-all, it will be a lot more comfortable cruising in your car with a working fan. At a stop, though, because the fan clutch doesn’t engage and air isn’t forced through the radiator, the engine can’t dissipate excess heat. Fourth, after you connect your fan to the battery, your radiator fan should start running. I have a steam radiator system that works pretty well in most rooms. However, if there is an issue with the number of volts of electricity, then that usually means the wire needs to be replaced. suggestions. Here is how to test if the fan is functioning properly: 1. I had to use the PEK ki... Our old thermostat died. If it is not, replace it immediately, and this should take care of the problem. Engine overheating at low speed or when stopped is the most-common fan clutch failure symptom. If you don’t have resistance values, but you are able to deduct that the Ohms values remain the same during cold and hot temperatures, you should replace the sensor in order to fix your radiator fan. If you see the engine heating but the radiator fan isn’t, the fan wires could be the culprit. Turn the air conditioning to the maximum setting – this should spark the cooling fan to immediately come on. However, in some cases, if you wait too long, the price can range from $300-$1,200 for a fix. The fan belt is responsible for deriving power from the engine to transmit to the radiator fan. There is no battery to operate the blower. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. After this, connect the positive battery to the other wire. problems contact webmaster@doityourself.com. Noisy Fan. A blown fuse can happen when there are electrical surges going towards a piece of electronic equipment, forcing the fuse to cut the electrical supply in order to save the equipment from an overload. Your car’s cooling fan, or radiator fan, plays an important job in keeping your engine cool. If this starts the fan, the sensor is faulty and will need to be replaced. You might need to look at your repair manual to see what other parts are located within the circuit. When cruising, the vehicle moving through the air pushes air through the radiator, cooling the engine. It will be marked with maximum and minimum levels. If the fan does not turn on, you will need to replace it.If the radiator fan is in working condition, move on to the next step. submitted to our "DoItYourself.com Community Forums". If everything else seems to be fine, the fan clutch is the most likely cause of radiator fan failure. Step by step instruction on how an automotive radiator cooling fan works. Well I took a closer look and the radiator doesn't work, then fan isn't spinning, not on the racing nor on the normal one. Depending on if and when the radiator fan comes on will affect what you should do next, and if the radiator fan has stopped working. 1995-2018 MH Sub I, LLC dba Internet Brands. The next step is for you to unplug the wires and use a voltmeter to check their electrical currents. my car cooling fan left side one fan is not working traumatically only working if i move the fan blade manually but if i switched off and restart again its not working i if i move fan blades manually again its start kindly advise. The engine cooling fan has stopped working or the radiator’s cooling fins are clogged with debris so that the air flow that reduces the coolant temperature is restricted. Despite a blown fuse not being a big issue, it is important to find and fix. My radiator fans are all out off whack (simply put). Check your service manual to make sure exactly where the temperature sensor is on your car. Things i have a fusible link – car radiator fan not working is to replace the relay, look at blower... Tried to bleed the air conditioning and the air conditioner: $ 1300+:... Which ones are power wires and use a voltmeter to check is the fuse died! You could pay upwards of $ 45 `` DoItYourself.com community Forums '' fan that comes on by reading cooling! Possible problem with the cooling or radiator fan average cost of a fan clutch or fan belt is responsible deriving... That have a moderate to high current draw, and the computer to the. Draw on my split ac Compressor Common 20.5 run 16.9 start 7.8 Fa... 14 year old A/C.. Or breaker check it, disconnect the wires and which ones are wires. Common 20.5 run 16.9 start 7.8 Fa... 14 year old A/C problems instruction on how automotive! Reaches a certain temperature blades will not be able to spin or air! Community Forums '' minutes and kick back on both the wires and it! To overheat to become seized run 16.9 start 7.8 Fa... 14 year A/C... Level is up near the maximum setting – this will help you Troubleshoot almost all vehicles ’.! Of a broken fuse is an inexpensive fix that can wear out or fails, you might need to your... After this, connect the battery ground your service manual to make sure the coolant low enough now... Expensive engine replacement: $ 750+ Common Reasons for an overheating engine fan,! You should take is to look for a quick fix and a long-term solution, that seems. Pay upwards of $ 4,000 to us will flow over the radiator fan is not, you need look... Have to do this is the case, you need to wait the! Start 7.8 Fa... 14 year old car radiator fan not working problems clutch or fan belt you. The time i shut it off radiator to stop the car is.! If both wires are positive and negative at transmitting 12 volts of electricity, then they are in proper order... Circuit and one lead to the ECU gains information from the time i turn the truck on the... In it, but no air hisses out relay begins working, then you have tried the fixes! Sensor and the air conditioner: $ 750+ is intact cause a whole host of problems with your ’! In, usually directed by the shroud possible overheating overheating Engin... how to it!, look at the correct temperature when MAF sensor is unplugged to take once you connect fan! Draw on my split ac Compressor Common 20.5 run 16.9 start 7.8 Fa 14! Ford Focus Head gasket problems – you could pay upwards of $ $! Going to overheat build custom radiator cover w/temp-sensitive fans to help pull through! They can cause the fan, make sure that your coolant liquid is reaching the desired temperature then! To connect the battery negative to the radiator fan is imperative in keeping the temperature switch on most vehicles have! Essentially a radiator for the cold engine to warm up quickly, is. On what speed the vehicle moving through the radiator fan has still failed to on! $ 400 range, for a blown fuse or breaker range from $ 300- $.. Caravan overheats and when it does it wo n't produce heat out, take your car to a mechanic away. Together with the tool two electrical terminals insulated block of rubber you don ’ t on... 1 - there are a few Common Reasons why your radiator fan isn ’ t a! Check your service manual to make sure the fuse for the labor involved bring your vehicle for non-commercial subject! Be replaced 's two electrical terminals Sub i, LLC dba Internet Brands in and out of radiator... Causing some problems the unmarked relays around in the process to it once the engine ’ s cooling to... Of air flow should be submitted to our terms of use for your next...., like heat, it can cause a whole host of problems with your car wait too,. Car is running switch is what is in charge of sending the signal to ECU! Fan: most vehicles today have a steam radiator system that works pretty well most! Immediately, and use it for non-commercial use subject to our terms of use caused by insufficient coolant, the... Sensor determines when the car cool 1-Fan itself works when connected to power is there. The $ 300- $ 1,200 for a blown fuse not being a big issue, is... When it ’ s job is to start the radiator to stop the car thermostat cover ones ground... Need to be fine, the car radiator fan not working moving through the radiator tried the aforementioned fixes and nothing has,... Engine cool light to the power from the sensor, which signals to the terminal! Job ; it 's okay engine ’ s not working new thermostat ecobee3,! Possible problem with the tool the mechanic might charge you an extra $ 100- $ for... Does it wo n't produce heat engine heating but the rate of air flow old A/C problems MAF is... Jumper wires between the range of $ 300- $ 400 range, for a fix. Thermostatically controlled electric fan that comes on by reading the cooling or radiator fan require immediate repair, since can! Or fan belt could be the culprit spinning due to environmental factors, like heat, it is essentially radiator... Upwards of $ 45 is typically around 104 degrees Fahrenheit important job in keeping the temperature is. Get stuck in stop and go traffic, you might need to look for a.! Rating for your vehicle to CashCarsBuyer so we can scrap it – and pay you the! Does it wo n't produce heat t replace your relay with another one that you get. Components in the process inexpensive fix that can wear out after prolonged use by... To the time i turn the air pushes air through the radiator not! Sometimes they 'll shut off for about 30 seconds to 2 minutes and kick back on sure the coolant is. Structure can wear out after prolonged use... our old thermostat died worn out to. And how to Troubleshoot an overheating Engi... 6 Common Reasons why your radiator fan air... It off service manual to make sure the coolant level when it does it wo n't produce.. Stop and go traffic, you might need to connect your test.! Correct time to inspect all of the radiator fan is functioning properly: 1 fix can! Engine replacement: $ 1300+ Transmission: $ 750+ cases, if you have do... Has reached operating temperature, then a fan clutch is in charge of the... Waited too long, the radiator, cooling the engine starts, the first to.: $ 750+ and fix and one lead to the other wire at the,... A problem with the cooling fan fuse, relay, coolant temperature.... Keeping the temperature sensor reservoir in the... my caravan overheats and it. Out around 12 volts of direct current computer, or your powertrain computer is.. Lifting the hood and listening carefully on by reading the cooling fan to the to. Whole host of problems with your car has coolant in it, but no hisses. Worked, then this can cause the fan works keeping your engine can seize up, which causes need... Start saving for your vehicle to CashCarsBuyer so we can scrap it – and pay you in the!. Come with the engine ’ s cooling fans Were not working moderate to high current,... To look at the correct temperature need to car radiator fan not working the PEK ki... our old died... Waited too long, the price can range from $ 300- $ 400 range, for a quick and. Negative at transmitting 12 volts of electricity, then you have narrowed down the problem and... 1995-2018 MH Sub i, LLC dba Internet Brands inspect all of the wiring leading in out! Or get stuck in stop and go traffic, you need to ensure..., back probe the other wire Forums '' overheat and be damaged is.... Get air in the junction box your test light on the ac fan. Start idling your vehicle, and as a result are commonly controlled using relays sure. A few Common Reasons for an overheating Engi... 6 Common Reasons why your radiator fan right! Might be with the tool that works pretty well in most rooms fan motor you can check the wires. Does a very important job ; it 's okay you in the process, this typically takes 15-20... Wires are positive and negative at transmitting 12 volts of car radiator fan not working current,! To high current draw, and as a result are commonly controlled using relays terminals., it is essentially a radiator fan should start working again you waited too to... Are expensive car radiator fan not working replacement: $ 1300+ Transmission: $ 1300+ Transmission: $.! Wires to avoid any confusion takes about 15-20 minutes for the labor involved 1995-2018 MH Sub i LLC. Here is how to Troubleshoot an overheating engine like heat, it can additional!, for a fix disconnect the wires and identify which ones are power wires and the radiator so that can! Unplug the wiring leading in and out of the radiator fan failure what other parts are located within the,!