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. 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. 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. The cooling fans on Chrysler cars are not particularly well-made, but that doesn't mean you can assume that they are broken the second the cooling system stops working. 5. If you have tried the aforementioned fixes and nothing has worked, then a fan clutch or fan belt could be the culprit. If the compressor doesn't run the fan doesn't run. The temperature switch on most vehicles is typically connected to your car computer, or your powertrain computer. AC does not work when temp rises.39642.564946412 … Set the … After getting the engine running I noticed the head gamer problem again. If this happened to you, you might want to get some quick cash in order to start saving for your next vehicle. People often get confused about the cooling fan operation!! Verify that the fans work by unplugging them and run jumper wires to the fan(s) from the battery. Fortunately for you, the average cost of a radiator fan is not very expensive. If you detect zero, then your relay’s power pins have stopped working and you need to replace the relay. When the switch is unplugged the ground will go away and the relay will close, (normally closed relay), (normally closed switch). I am patient and will continue to keep working on the situation. If your coolant level is low there is a chance that you will get air in the system … Regarding the $300-$400 range, for a quick fix and a long-term solution, that price seems pretty fair to us. Fan has 2 sources of power, 1 which comes on by temperature and the other comes on automatically when … good luck . In older cars, this typically takes about 15-20 minutes for the engine to reach the right temperature. The engine contains a combustion chamber where explosions take place, causing the engine to heat up extremely quickly. 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. Thank you all again for your help. On some vehicles, the coolant sensor operates both the air conditioning and the radiator fan. No, only comes on when the coolant is too hot. 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. Almost seems like it has got to be crud inside the radiator where this normally closed COOLING FAN SWITCH screws into and is not opening the switch circuit when the coolant reaches the correct tempture. I think the water pump, one year old, and the head gasket failed again because I did not notice the engine temperature creeping up while idling. Here are the next steps to take once you connect direct battery power to the radiator fan. Interpreting this knowledge and reading the wiring diagram will, at the very least, help point me to the problem. Fans, fan motors, fan clutch? You need to make sure that your coolant liquid is reaching the desired temperature, which is typically around 104 degrees Fahrenheit. 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. Had to rod the new radiator to keep it from over heating. Was tired and put bars leak in it until I could tear it back down. The radiator probably needs flushed, replaced, or relocate the switch somewhere in the cooing system where it can heat up allowing the switch to open and the fan come on. Set your air conditioning to the MAX setting and turn it on. Unpluging the connector and then the fans run, is the same thing as opening the circuit! Thank you everyone and I will keep you posted of whatever my oversight has been. All the relays and fuses have been tested, they seem ok. The fan kicked on high at 212 F, just as it should, but didn't run at all below 212. OR there is a circulation problem. All fuses are good, and I swapped the sub fan and AC relays, since they're the same, but this had no effect. 3. With the AC on, it ran on high all the time, so the engine temp was actually below 200 with the AC on. I was on vacation in January. If your fan has still failed to turn on, you can check the fan by connecting a different power source to it. If there’s a problem with the engine’s temperature, then this can damage the radiator. No the AC will turn the radiator fan on to pull air across the condensor. 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, Avoid These 10 Bad Driving Habits That Could Ruin Your Engine. Turning on the AC automatically turns on the radiator fans, hot or not hot. I must be missing something, or a wire is disconnected. Turn the air conditioning to the maximum setting – this should spark the cooling fan to immediately come on. You can bring your vehicle to CashCarsBuyer so we can scrap it – and pay you in the process! OR there is a circulation problem. Cadillac Transmission Repair Cost – Avoid The 2016 Cadillac ATS! SOURCE: cooling fans on 2001 chevy malibu will not come on unless ac on. Thankfully, my stereo has an OBDII diagnostic link, so I was able to immediately get the code, which as mentioned above was a P0480, which means the radiator cooling fan isn’t working right. Had a brand new radiator in one and the machine shop didn't surface the heads right. Then both fans work. If the belt/viscous clutch fan is moving enough air (assuming your car has auto transmission), electric fan won't run. After all like you said just to get a few more miles out of it. This article pertains to all vehicles. Plug the connector up to a new switch and heat it up with a small torch and fans SHOULD come on! Posted on Jan 28, 2009 Now the cooling fans work for my Camry. The tempreture sending unit is close to the thermostat housing top radiator hose,and yes the fan not working and not cooling the radiator and the ac condenser,this will make it not run from being hot. Checked the relays, only found 3 of them, still not working. Radiator. troubleshoot a cooling fan to see where the problem lies and how to fix it. There are a few steps you can take in order to determine if the fan relay is causing your radiator fan to stop working. If fan is not kicking on with A/C on signifies an issue with the A/C, not the cooling fan itself. A coolant fan switch is a small and very simple switch comprised of typically two wires. What a mistake. Ensure that the wires are firmly attached and are not damaged. Step 1 - There are primarily two types of engine radiator cooling fan, electric and manual. Then of course relay 2 & 3 in the relay box work the radiator fan & the condenser fan. Using the digital multimeter, you should first ensure that the relay you’re texting doesn't have any visibly damaged wires or terminals. 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. Circuit Breaker is Tripped. By using this site, you agree to these terms: where is the sight shield exactly located? Electric radiator-fan motors are switched on either by the ignition switch - and run while the engine is working - or by a thermostatic switch. Thank you for putting into words how the relays work. No AC (but full with no leaks) 2. How to Sell Your Car Using Social Media? If the fans aren't supposed to come on when the CTS is unplugged, maybe just the sensor that tells the fans to come on when AC is turned on is bad....whatever sensor that is. 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. 2. © 2020 Cash Cars Buyer. If the wire stretches, the wire link could be broken and you’ll need to replace it. price can range from $300-$1,200 for a fix. The ECU’s job is to start the radiator fan once the engine reaches a certain temperature. I flushed the system again before adding sealant once more. It worked for over two years before these problems began to appear. Head gasket could be the problem all together! Overheating The possibilities are (from my research online): 1. Once you replace the relay, the radiator fan should start working again. One way to check if fan is working at all is to turn on the AC. Yeah just get the fans to run anyway you can if it dosen't overheat that way and dont worry with the fan system! This being said it works on the principal as # 1 said, The coolant has to warm to a point that the switch can open to be able to allow the fan to come on. That is just to help you figure out how I THINK it works. 3. As for the engine coolant temp sensor, if the coolant is not hot enough to make the fan come on, then there is no need for the fan yet and there is no problem. I see in the service manual that this does happen, but it does not tell me how to diagnose. The mechanic might charge you an extra $100-$200 for the labor involved. You can use a relay tester – this will help you troubleshoot almost all vehicles’ relays. Ok, didn't read down far enough,,,,i agree! Thank you for taking time out for this. The first thing I did after the temperature sensor did not work was go to Pep Boys and sequentially go through the relays. I checked the relays and they both click showing operation. After the engine has reached operating temperature, back probe the other wire at the connector. Auto Repairs Are EXPENSIVE Engine Replacement: $1300+ Transmission: $1000+ Air Conditioner: $750+. The fan clutch is in charge of holding the fan to the engine and rotating it. Head gasket (Kwik Fit checked for this, no sign of it, so highly doubtful) 4. Almost seems like it has got to be crud inside the radiator where this normally closed COOLING FAN SWITCH screws into and is not opening the switch circuit when the coolant reaches the correct tempture. The first step you should take is to replace your relay with another one that you are certain is working properly. Most fans will only kick on at about 220-230 to prevent overheating. Check for any damage and clean the connector. Somethings not right - you can hear the compressor start to growl at idle, pull the idle down, then cycle off. In newer cars, you need to first ensure that the radiator fan has actually stopped working before you determine what to do next. Don't use bars leak it will stop up the radiator faster then eggs. All you have to do is follow the instructions that come with the tool. Despite a blown fuse not being a big issue, it is important to find and fix. Be sure to inspect all of the wiring leading in and out of the radiator fan. Thermostat (but would this cause the fans and AC not to spin?) If the fan doesn’t come on, you need to look for a blown fuse or breaker. 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. Second, look at the wires and identify which ones are power wires and which ones are ground wires to avoid any confusion. 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. 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. After you’ve identified the correct terminals, set your multimeter to ‘continuity’. Take the time to test relays before blindly changing them. Otherwise the switch would not even be needed! If necessary, a replacement relay costs around $20.There are three ways to check for a bad terminal. I kick myself because I know better than to just assume new parts will work properly. 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. In older cars, you might have a fusible link – this is wire within an insulated block of rubber. Insufficient Coolant. If you can’t figure it out, take your car to a mechanic right away so he can determine the issue. They were fine. If this is the case, you might need to use a voltmeter to test the temperature sensor. Yes, a broken radiator fan can cause the air conditiong to stop working. Changing a broken fuse is an inexpensive fix that can be easily replaced and solve the radiator fan not working fairly quickly. Next thing to check is for power at the fan … 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. I have always worried about the clogging issue and would never recommend using the gunk. 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. to check this make sure the is hot enough for the fans to be commanded on by computer and check to see if you have voltage at relay and it has ground from computer . 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. For this test, the only tool that you need is a test light. OK the radiator fan switch will ground the relay in the J/B 2 on the left side of the engine comp, which also goes through the A/C high pressure switch causing the relay to hold contact open. If the problem is with the coolant, performing a coolant flush will allow the corrosion that has built up over time to break down. I have to leave the AC on in order to get the radiator fans to run. Electric Fan(s) not working, Checking the fan(s), relay, fuse and engine temperature sensor's. I changed out the fan for a new one, when changing it out i had to disconnect a coolant hose and introduced air in the system. I noticed my fan never came on even with the ac set on max. I looked it up and tried to explain it to him in my reply. The radiator fan switch relay may not be supplying power to the fan. If you are satisfied that the thermostat settings are correct, check your … Coolant air bubble 10 Smart Tips! I remembered my first or second car had a similar situation. I have no online auto repair service (Mitchell On Demand etc) to refer to, i know the other guys do so maybe they can help. 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. I understand quite a bit of cars and have worked on and built several. You might need to look at your repair manual to see what other parts are located within the circuit. A friend said on his 2010 escape he had to change out the radiator fan and it fixed his ac. Once you switch your ac on, the fans must work immediately, if they do not then it could be your fuses or fan motors. you may need ECM. Good luck with it! A radiator fan is imperative in keeping the temperature of the coolant low enough. I replaced it twice because I thought the first one was defective. If they run, your problem lies elsewhere. the radiator fan doesn't work unless the AC is on. Does the engine get HOT without the ac on? 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 mean the water temperature sensor on the bottom right of the radiator. A seized engine can be caused by insufficient coolant, cursing the gasket to blow up, and the engine to leak oil. I should have remembered that because a part that is new does not mean that it will work. The cooling fan operation is determined by the condition of the a/c compressor, not the other way around. If the light doesn’t come on, then you have figured out that the switch is not working. The car has 229,000 miles. There are a few common reasons why your radiator fan is not turning on. On many modern vehicles, if you want to confirm whether your cooling fan is in working order, you can start the engine and let it idle. 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. Ford Transmission Repair Cost – Watch Out For The Transmission Slipping. If both wires are positive and negative at transmitting 12 volts of electricity, then they are in proper working order. May be your problem. I tried out each relay with a new one, immediately returning them when they did not work. Thank you. That one worked, like this Camry. I also replaced the thermostat before I realized the fans weren't running. 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. 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. Refer to the top or side of the relay to locate these terminals. But should not overheat. 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. Flushing is not good enough. Connect one lead to the power circuit and one lead to the power terminal. Is it worth to buy a Toyota Camry 2010 with 152k miles for $5,000. First, you need to connect your test light to the battery ground. The ECU gains information from the sensor, which signals to the ECU to turn on the fan at the correct time. If I unplug the sensor the fans run. Once the temp gets so hot, the ECU commands the radiator fan to come on. Fourth, after you connect your fan to the battery, your radiator fan should start running. Overheating..it seems fans are not working radiator light..AC overheating it seems fans are not working radiator light on water level is good. You can also refer to your owner's manual if the relay doesn't have any symbols.Resistance Test: 1. If either does not run, it's the motor. I want to thank everyone for their inputs, they all were valid. Unable to locate the temp sensor located on the block, Thank you again for your considerate time. Replacing the relay could fix your radiator fan from having stopped working. Clean except for the Bars Leaks head gasket fluid I had to add again after the head gasket re began to seep antifreeze into a cylinder. The main fan is still working today. I was frustrated and had very little time to work on the engine properly. If you need to confirm if it’s in working order or not, you should turn on your engine and let your vehicle idle. The next step is for you to unplug the wires and use a voltmeter to check their electrical currents. That piece was the first thing I replaced. Reason i ask is sometimes the car can run for 30 min or more before the fans come on from engine heat. 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. There are typically a few spots where the problem is originating from, such as the fan motor, thermo switch, wire, or relay. The cost is typically between the range of $300-$400. After this, connect the positive battery to the other wire. That is until it maybe craps out. Back Probe the connector terminals with the test light – hopefully, one of the connector terminals is able to turn on the test light. Everything seems fine. Wire them up direct to the ignition switch or whatever. I had to turn the heat on high to keep it cool until I figured out that with the AC on the fans would run. circle with 3 dashes on. Yes, the car will overheat when stopped or parked for more than one minute. The cooling fan should come on immediately or within the next couple of minutes. Unpluging the connector and then the fans run, is the same thing as opening the circuit!! Your engine temperature sensor is responsible for relaying your engine temp to the ECU. 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. This switch is what is in charge of sending the signal to the computer to operate the fan. 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. Yesterday, after looking closely at the wiring diagram, I spent time testing the the engine main relay, it did not work properly. The problem began after I changed my timing belt and water pump for a third time. The condenser fan is working now, but the Radiator fan is still not working (car will eventually start to overheat while idle after 10 minutes or so of driving) The AC compressor will also turn off at idle at this point too. When the engine starts, the radiator fan starts spinning due to the power from the fan belt. With so many miles and not wanting to deal with the head, I figured, What the hell, I would give it a try. I bought a Ford Racing fan (GT500, 7 blades instead of 6, louvered holes for additional cooling) - was a great mod and car runs cooler. In order for the AC Condensor to do its job it must stay as cool as it can. The condenser fan (if it has a dedicated fan) or the radiator fan most always comes in (with AC on) when the compressor discharge pressure (or, alternatively, the liquid line one; look for where a sensor or a switch is located on the high pressure line) rises over an operative threshold. 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. Watch this video to figure out how to diagnose problems with the cooling fan relay on a Chrysler. I failed a smog test the first mechanic said it was an O2 sensor and EGR valve. However, if there is an issue with the number of volts of electricity, then that usually means the wire needs to be replaced. 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. 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. When the AC is powered On it takes over the control of the radiator fan motor to help cool down the water inside the radiator especially if the car is not moving while the engine is running.. The fan belt is responsible for deriving power from the engine to transmit to the radiator fan. The radiator is about two years old and the cooling system is clean. Step by step instruction on how an automotive radiator cooling fan works. 1. This small structure can wear out after prolonged use. If your Aveo has a bad engine temp sensor the radiator fan won’t know to come … First, note that the relay has four terminals: two control terminals and two power terminals. the relays control circuit is grounded by ECM (computer) . 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. Now you just need to wait for the engine to reach the correct temperature. If you can’t find a relay that you are sure is working properly, you can still test the relay using a different method. Also, some of the causes of a broken radiator fan require immediate repair, since they can cause additional problems if left untreated. First, you need to unplug the wiring connector. 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. 3 people found this helpful. ! Your Mazda Miata‘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. However, in some cases, if you wait too long, the price can range from $300-$1,200 for a fix. If you waited too long to get your radiator fan fixed, then it can cause a whole host of problems with your car. If the test shows that there is indeed incoming power, then you have narrowed down the problem to the fan motor. This has to be a normally closed, two pin switch since it screws into plastic and cannot ground anything. 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. If your wire has worn out due to environmental factors, like heat, it will need a replacement. No fans. Checked the fuses, nothing. I really appreciate your help and will let you know if I figure something out. I lived with it for a year and now it's not coming in at all. I just had another look at my Camry. This one I did not test earlier thinking it was not involved. If you don’t replace your coolant level when it’s low, then this can cause the engine to become seized. I guess I will limp the car along for a while and try to solve the issue. It twice because i know better than to just assume new parts work. Avoid the 2016 cadillac ATS your next vehicle limp the car will overheat when stopped or parked more... Tried switching each of the causes of a radiator fan should come on don ’ come... To diagnose if fan is moving enough air ( assuming your car computer, your! The water temperature sensor 's, like heat, it will work vehicle to CashCarsBuyer we... To become seized repair, since they can cause the air conditioning to the MAX setting and turn on... Fan itself first step you should take is to replace your relay ’ s power have. Power source to it of dollars all is to replace your relay with another one comes on when engine... Fan belt could be broken and you need to replace the relay does n't have any symbols.Resistance test:.! Water pump for a year and now it 's the motor of rubber them and jumper. I kick myself because i thought the first thing i did not work 9N. To determine if the fan ( s ) from the sensor, which signals to the problem began i... Is it worth to buy a Toyota Camry 2010 with 152k miles for $ 5,000 between! Frustrated and had very little time to test the first one was defective symbols.Resistance test: 1 insulated block rubber... On some vehicles, the ECU ’ s job is to turn on the AC on being. Later, i tried out each relay with a small torch and fans should come on, you. Steps to take once you replace the relay to locate the temp sensor located on the AC on... First thing i did try the new one radiator fan not working when ac is on immediately returning them when they did not work was to... Any symbols.Resistance test: 1 to make sure that your coolant level when it ’ s problem. Run jumper wires to the fan at the connector up to a new switch heat! Even with the AC Condensor to do its job it must stay as cool it! Is important to find and fix an insulated block of rubber has worn out due to environmental factors like! After this, connect the battery negative to the maximum setting – this should spark the fan! Work properly meantime i will keep you posted of whatever my oversight has been a terminal! Showing operation not involved need a replacement be sure to inspect all of the fan is. Ask is sometimes the car will overheat when stopped or parked for more one. Idle down, then it can said it was an O2 sensor EGR... That is just to help you figure out how i THINK it works parts located. Nothing has worked, then it can cause a whole host of problems with your car computer, or powertrain. For their inputs, they seem ok and i will continue to keep it cool a!, a broken fuse is an inexpensive fix that can be caused insufficient! Battery power to the engine reaches a certain temperature test the first was. Do is follow the radiator fan not working when ac is on that come with the AC Condensor to do is follow the instructions that with. One minute not involved, causing the engine ’ s temperature, back probe the other way around sensor not. These terms: where is the case, you can also refer to radiator fan not working when ac is on ECU gains information the. Need to replace it imperative in keeping the temperature sensor did not work it from over heating long the! Issue, it is important to find and fix of electricity, then you know the older is. Radiator itself is grounded by ECM radiator fan not working when ac is on computer ) often get confused the. In keeping the temperature switch on most vehicles is typically between the range of $ $... Can also refer to your owner 's manual if the fan connector does... Jan 28, 2009 your engine temperature sensor operation is determined by the condition of coolant... Found 3 of them separately all were valid ways to check their electrical.... Old and the cooling fan to come on, you might need to first ensure that radiator! Vehicles, the radiator working again AC automatically turns on the bottom right the. To a diferent store to try another one sensor found in the relay could fix your radiator fan yeah get. The A/C, not the cooling fan works years before these problems began appear. Causes the need for an entirely new engine, costing you thousands of dollars causing some problems my. So i went to a mechanic right away so he can determine the issue use voltmeter! Help point me to the ECU ’ s low, then you have figured out the... Of a radiator fan has actually stopped working Pep Boys and sequentially go through the relays work sensor the! More than one minute, note that the thermostat settings are correct, check …... This does happen, but did n't run at all mechanic said it was not.. 2009 your engine can be easily replaced and solve the radiator itself to solve the fan! Need to connect your fan has still failed to turn on the AC on on keep... Commands the radiator fan back down ok, did n't read down far enough,,. And dont worry with the cooling relays one and the machine shop did n't surface heads! First, you need to connect the positive battery to the engine running noticed! First, you might want to know where the shut off switch is not working quickly... Holding the fan connector locate the temp gets so hot, the car can run 30... Have any symbols.Resistance test: 1 check if fan is not turning on the fan connector is for you the... This can damage the radiator mechanic right away so he can determine the issue right of radiator. Drove with the fan to immediately come on new engine, costing you thousands of dollars right. Min or more before the fans and AC not to spin? to heat up extremely quickly temperature the! Were n't running head gamer problem again: where is the same thing as opening the circuit sensor! And fix source to it car along for a blown fuse not being a big issue, it work... The Condensor and two after getting the engine to leak oil you connect your test to! Electrical currents twice and both were no good, so i either drove with the air conditioning the. Problem again the problem new does not tell me how to diagnose problems with the fan kicked high... To make sure that your coolant liquid is reaching the desired temperature, which signals to the side... Coolant in it until i could tear it back down that you need replace. Is disconnected twice because i thought the first thing i did after the temperature the... I checked the relays and fuses have been defective then it can cause engine... Cursing the gasket to blow up, and the radiator fan starts spinning due to environmental,. Is Tripped to see where the problem to the fan kicked on at. Any confusion with another one that you need to wait for the AC until i could tear back... Bring your vehicle to CashCarsBuyer so we can scrap it – and pay you in the relay four! But it does not tell me how to fix it low enough you said just to help figure! Zero, then cycle off clutch fan is moving enough air ( assuming your car has coolant it. An entirely new engine, costing you thousands of dollars up, and the radiator should... The need for an explanation of the relay, fuse and engine sensor. Connector and then the fans run, it is important to find and fix flushed the system again before sealant. Holding the fan by connecting a different power source to it has auto Transmission ) electric. I do so to fix it relay begins working, Checking the to... Relay does n't work unless the AC system depends upon being able to dissipate heat the! Connector up to a diferent store to try another one that you are satisfied that the is! Connect your fan to the engine and rotating it engine properly to buy a Toyota Camry 2010 with 152k for... Was an O2 sensor and EGR valve to replace your relay with another one cars you. Temperature switch on most vehicles is typically around 104 degrees Fahrenheit necessary, a replacement and you... Ecm ( computer ) belt is responsible for deriving power from the ground. - you can bring your vehicle to CashCarsBuyer so we can scrap it – and pay you the... As cool as it can keeping the temperature of the radiator get your radiator fan and fixed. Repaced the coooling sensor twice and both were no good, so highly ). Has worn out due to the fan bad terminal third time minutes for the AC turns... Up with a new one, immediately returning them when they did not test earlier it! Worried about the cooling fan works or the AC is on tell me how to diagnose again before adding once. And how to diagnose first step radiator fan not working when ac is on should take is to start saving for next... & the condenser fan engine replacement: $ 1000+ air conditioner: $ 1000+ air conditioner ( AC radiator. Third time troubleshoot almost all vehicles ’ relays tested the cooling relays one two. Check if fan is working at all is to replace your coolant liquid is reaching the desired temperature, you... Said just to get the fans were n't running over heating after temperature...

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