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Radiator fan not working, engine overheating, blowing cold air, but nothing leaking. Just because the radiator fan is not on does not mean that it is not working. Working as part of the engine cooling system alongside coolant, a radiator fan blows cool air through the radiator as a means of heat transfer to prevent the engine from overheating. otherwise the fan doesn't kick on when car reaches high temperature. Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Asim Jahangir, Jun 16, 2014. it is not overheating at this time probaly because it is winter. My cooling fans are not working, I replaced my thermostat, ECT, waterpump, fans and radiator cap. 2. The radiator fan should not start until quite some time after the thermostat opens (with a/c off). I have a 1995 BMW 520i. It was cold out, so I just turned the fan off. Because at 70 MPH, a hell of a lot more air is being rammed thru that radiator to remove heat faster than the radiator fan(s) can do when idling or driving slow. It threw code P0600 serial communication link. If the fans do not come on, car overheats, and fuses blow, you may need to replace the cooling/radiator fan motor. Overheating Nope thats a resistor for a two speed fan, the fan has two speeds one supplied through the resistor which reduces the voltage supply and one direct. Coolant air bubble Any advice welcomed and ideas for testing and eliminating. Polo Overheating/Fans not coming on Post by Millenios » Tue Jun 28, 2016 12:44 pm 1.2 2004 Polo 58k started to overheat on the motorway, so pulled over to let the car cool down & it was fine after so I assumed a sticking thermostat which I have replaced. The coolant reservoir or overflow tank is designed for the coolant to be able to expand into it. Since you saw one running and one not, the one not running has a wiring problem or the motor is dead. Our certified mobile mechanics make house calls in over 2,000 U.S. cities. Could this be possible? The most popular service booked by readers of this article is Vehicle Engine Cooling Inspection. the second way the ac would work is only if i disconnect the temperature sensor. Took it to the mechanic and he replaced my radiator fan. I’m in Chicago and it’s cold. 2006 honda crv, the fan is not working and the car go overheating, but it's cool when i start tje a/c. I tried everything, new fan sensor, new water pump, new thermostat, jacked up the front end to purge the cooling system. Coolant air bubble Any advice welcomed and ideas for testing and eliminating. This should cut in after 20-30 mins of the engine just sitting idling. It did not seem to be losing any coolant. 3. Pretty weird.. Not sure whether the test has reset something or kickstarted them into working but all is good in the hood! Could this be possible? Fans, fan motors, fan clutch? Radiator fans not working . If the AC fans don't work when the car is on, the fan relay may be bad. YourMechanic All rights reserved. © problem- overheating in traffic for some time I noticed that in traffic the temperature would creep up beyond the vertical, where it normally sits at 90, no matter what style of driving. Radiator cooling fan not working, code p149. i thought it may be sticking thermostat or water pump or sensor in radiator that brings in fan. is ther something i can look at or do? The cooling fan motors are an important component to any cooling fan assembly, and play a key role in keeping the car at safe temperatures during idle and low speeds. I've replaced my fan clutch and my thermostat. Hello! Radiator fans not working. The primary purpose of the radiator fan is to prevent the engine from overheating when there’s not enough airflow, ie. 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. Question about car overheating, Automotive, 35 replies Radiator fans won't stop working - 2001 Chysler Town and Country, Chrysler, Dodge, Jeep, and Ram, 10 replies I can't explain the overheating., Automotive, 25 replies so frustrated with this overheating, Automotive, 36 replies Neon '01 overheating, Automotive, 13 replies Not able to pull over and check fan as I was in traffic. How to Buy a Good Quality Heater Blower Motor Resistor, Symptoms of a Bad or Failing Cooling Fan Relay. I discovered the fan relay issue after they finally got stuck on. The radiator fans simply stopped working. problem- overheating in traffic for some time I noticed that in traffic the temperature would creep up beyond the vertical, where it normally sits at 90, no matter what style of driving. They are designed to only run when needed. Thus began the elimination process, I took the car to a local mechanic to get the head gasket checked which came back as okay, I have replaced the following items all with genuine Subaru parts. as custard said - test it by running power directly too it. The The purpose of the cooling fan resistor is to remove heat from the engine’s coolant and from the A/C refrigerant. My cooling fans are not working, I replaced my thermostat, ECT, waterpump, fans and radiator cap. 3. I realized that the radiator and condenser cooling fans were not coming on when needed (after a half hour of the engine running) so I pulled the relay switch and used a paper clip to "jump" it and the fans came on. Not in front of radiator, not in air intake, not near fuse box, not behind headlight. My car started overheating. well my radiator fan stop working on my 94 accord and my car started overheating after being in a traffic or long stops, a few people said that it might be my radiator fan relay, so i replaced it but it's still not working. Re: Radiator fan not working? Engine bay fan - at driver's side rear air intake You can easily tell which one is running once out of the car. Also turn on the a/c, and check that the radiator fan runs at low speed, even with a cool engine. If the motors fail or surge, they may cause the fuse to blow in order to protect the rest of the system from any sort of damage due to electrical surges. Note that the only thing different about the 06’ parts car is that the 06 bumper came with an integrated homelink module so there’s an extra plug in the bumper. Symptoms of a Bad or Failing AC Fan Control Module. Get a fair & transparent quote instantly before booking. ... Why is my Buick over heating and coolant fans not working. Repairs covered by 12-month/12,000-mile warranty. Please see our, Pontiac Grand Prix - Vehicle Engine Cooling Inspection - Indianapolis, Indiana, Kia Optima - Idle Control Valve - Seattle, Washington. 2. Thus began the elimination process, I took the car to a local mechanic to get the head gasket checked which came back as okay, I have replaced the following items all with genuine Subaru parts. The fan control duty cycle activation is triggered after loading the fan speed and engine speed parameters. The material contained in the forums is submitted by the general public and is NOT endorsed by Ford Motor Company Ltd. A blown cooling fan circuit fuse is another symptom of a potential problem with the cooling fan motors. 2003 beetle. He changed the relays along with putting a new fan in. About 31 degrees out right now. Radiator fan not working, engine overheating, blowing cold air, but nothing leaking. © 2001-2021 Audizine, Audizine.com, and Driverzines.com. MARTIAL09 MEMBER; 1998 CHRYSLER TOWN AND COUNTRY; 3.8L; 6 CYL; 4WD; AUTOMATIC; 176,048 MILES; Hello, I have just recently had an overheating issue with my van sitting on idle. Connect a 12 Volt power source directly to the fan and see if the fan comes on. So i replaced the hose, but noticed that my radiator fans don't work unless the A/c is turned on. What really matters is the temperature of the lower radiator hose. 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. Bottom line: Fans are NOT coming on at any time...hot or cold...even when I turn the A/C on the fans do not come on. My car is still overheating because the fan is not working. I've researched it and apparently i need a new resistor. Fast, free online quotes for your car repair. i thought it may be sticking thermostat or water pump or sensor in radiator that brings in fan. the fan should spin. 5. Unplug the radiator fan connector. I'm a beginner mechanic and I'm so stumped. although if the fan isn't very free spinning, chances are its knackered. While While many people are familiar with the major parts in their vehicle, there are all kinds of smaller parts that play a vital role as well. The leak could be due to the reservoir overfilling due to over expansion from heat. I also did this at the radiator fan switch and again, the fans started working. You need to inspect all the wiring leading into and out from the radiator fan. He seems to think there is something wrong with the computer that is keeping it from turning on. Typical thermostat operating temperature is 80C to 95C, fan start point is typically 90C to 105C. A radiator fan is imperative in keeping the temperature of the coolant low enough. If your heater is not getting warm enough and the engine is not reaching operating temperature for a long time then your engine most likely has a thermostat that is stuck open. Please, help! He changed the relays along with putting a new fan in. How Long Does a Cooling Fan Resistor Last? 3. The club is not part of Ford nor affiliated with or endorsed by Ford in any way. Virtually all late model vehicles and the vast majority of road going vehicles use radiator cooling fans with electric motors to keep the engine cool. Q: The temperature gauge goes to the highest point. document.write(new Date().getFullYear()) Overheating, fan not working consistently; need to change coolant fan relay - cannot locate. i’ve been having an issue for a while where my radiator fan doesn’t kick on at all. Thermostat (but would this cause the fans and AC not to spin?) Hi and low fuses for speed do not … I was driving last night (2002 Jetta GL, 2.0 Liter) on the freeway when I noticed my heat suddenly cut out. It is the job of the cooling fans to provide that air flow, and they do so using electric motors. My 08 2.0 S Line (appearance) was in an accident so I swapped out the core support, radiator, ac condenser, fan shroud, bumper and hood from a donor 06’ 2.0 parts car. After not being able to find a radiator leak anywhere, and only having radiator fluid "leak" after the engine was shut off. Radiator fan - at the front 2. If you continue to drive your car with low antifreeze your vehicle will eventually overheat. Radiator fan testing points. Help! My car is still overheating because the fan is not working. Fans will not come on when A/C is turned on. The cooling fan motors work together with the cooling fan blades to pull air through the radiator. Another symptom of a possible problem with the cooling or radiator fan motors is the vehicle overheating. The resistor does this by drawing air through the radiator and air conditioning condenser. Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Asim Jahangir, Jun 16, 2014. It was cold out, so I just turned the fan off. 2. It is the last line of defense between you and an overheating engine. Watch this video to figure out how to diagnose problems with the cooling fan relay on a Chrysler. I also did this at the radiator fan switch and again, the fans started working. There are two fans: 1. To ensure optimal performance and lifespan, your engine must not overheat. the fan would not cut in to cool. It’s normal for some vehicles to have a fan run for a few minutes... any issues that eventually arise with the fan motors. Coolant levels OK. Mechanic's Assistant: Have you checked the fuses? It threw code P0600 serial communication link. Radiator fan not working To whom it may concern my 2001 mazda mpv van radiator fan is not working the mechnic i took it too seem to think its electrical but not sure? The electric motors found on many cooling fans are not much different than regular industrial use electric motors, and are often a serviceable or replaceable component of the cooling fan assembly. 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. is ther something i can look at or do? The temperature sensor determines when the radiator fan comes on by reading the cooling system temperature. When I checked the code on my scanner tool it mentioned code p1491 Radiator Fan Relay Circuit. The fan will usually store a fault in the dme for activation or ihka system faulted for excess pressure (because fan is not coming on). If it gets too hot to hold the sensor that controls the fan relay is at fault, but if it just gets uncomfortably hot the system is not actually overheating (that occurs when the system becomes saturated with coolant too hot to remove heat from the engine); it is not holding pressure properly. Optimize fleet uptime and compliance via mobile vehicle repairs, Partner with us to simplify and scale fleet maintenance, Over 25,000 topics, from beginner tips to technical guides, Check cars for recalls, common issues & maintenance costs, Hand-picked, community-rated professionals, Our mechanics make house calls in over 2,000 cities, Explore nationwide job opportunities for automotive technicians, Trusted mechanics, rated by thousands of happy car owners, Fleet maintenance with certified mobile mechanics. I know that it should go on once in a while when the cars temp is up there. Another symptom of a possible problem with the cooling or radiator fan motors is the vehicle overheating. Engine bay fan - at driver's side rear air intake You can easily tell which one is running once out of the car. The thermostat is one of those parts that many don't think about, but... Hello. Overheating, radiator fan not working, and exclamation mark sign on HUD. The fan should have been on @ 100% during an overheat situation. If the motor fails the blades will not be able to spin or generate air flow. Fan can be checked with many of the scan tool programs. No fans. Nissan Frontier - Car is not starting - Dacula, Georgia, Mercury Grand Marquis - Intake Manifold Gaskets - Gwynn Oak, Maryland. to test the fan switch, unplug it and short out the two connections. Check power and ground at the fan connector. Q: Fan not working and car overheating. Our certified mobile mechanics perform over 600 services, including diagnostics, brakes, oil changes, scheduled mileage maintenances, and will come to you with all necessary parts and tools. check for any more hidden fuses around the bay It’s not the radiator. YourMechanic’s technicians bring the dealership to you by performing this job at your home or office 7-days a week between 7AM-9PM. Radiator fan not working overheating - Town Car Lincoln Cars & Trucks. Your Toyota Camry‘s radiator fan has one of the most important jobs on the vehicle. It's been overheating for the last couple weeks now. My cooling fan in front of my radiator does not work. i have changed the fuse box on top of the battery and the fans control relay about 1 year ago. Seeing as the sun was shining at the weekend I decided to get my zed out from under its cover where its been hiding all winter and get him prepped for the summer. The fan is hooked up to the radiator through a network of various wires that can become prone to corrosion over time, and the radiator can overheat if the fan isn't providing adequate air circulation when at … As the engine operates the coolant temperature will continue to rise, and if there is no air moving through the radiator to cool it, it will begin to overheat. 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. New radiator thermostat After replacing the relay with a Sorenson version $45. when the car is stopped or moving slowly. Figure 3. Overheating The possibilities are (from my research online): 1. Electric radiator-fan motors are switched on either by the ignition switch - and run while the engine is working - or by a thermostatic switch. 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.. Coolest fans not working and it overheating once in awhile. New radiator thermostat Had to drive the car around for almost an hour to get it hot enough for the fans to finally come on. The most common symptom of a faulty cooling fan motor are cooling fans that do not come on. Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. Please, help! Want Answer 0. Electric radiator-fan motors are switched on either by the ignition switch - and run while the engine is working - or by a thermostatic switch. Tester I would have him back again to work on my vehicle. AC condenser fans need to be replaced when the air conditioning stops running. The cooling fans are thermostatic and are designed to come on once a certain temperature is reached, or certain conditions are met. Alright I have a problem. I do not think my radiator fan is working. Then after removing the back head to replace the head gasket, I finally found the REAL problem. It is possible that a wire has worn out due to heat and needs replacement. - there are two fans: radiator and A/C - when A/C off, radiator fan does not turn on automatically - when A/C is turned on, both fans turn on and off at the same time automatically - engine temperature gauge shows close to overheating (assumed to be correct as temperature gauge appears working when car is warming up) As they are the component that rotates the fan blades and creates the air flow, any issues that eventually arise with the fan motors can quickly develop into other problems. Working as part of the engine cooling system alongside coolant, a radiator fan blows cool air through the radiator as a means of heat transfer to prevent the engine from overheating. An overheating engine can cause more problems especially if you let it go too long and end end up cracking your block. I was driving last night (2002 Jetta GL, 2.0 Liter) on the freeway when I noticed my heat suddenly cut out. Note that the only thing different about the 06’ parts car is that the 06 bumper came with an integrated homelink module so there’s an extra plug in the bumper. Hope this helps. My problems started with overheating and what I thought was a radiator leak. i have changed the the temp sensor and the coolent temp switch on the bottem left of the radiator with in the last week. 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. So i replaced the thermostat (thinking that i might need to change it anyway, i'm already up to 98K km) this morning but it still not working. Solved!!! It sounds like you may have a weak compressor. 3. If the cooling fan motors fail, and disable the fans, the engine temperature will continue to climb until the engine overheats. If the cooling fan motors burn out or fail, the cooling fans will be disabled. He seems to think there is something wrong with the computer that is keeping it from turning on. Radiator. The cooling fans are thermostatic and are designed to come on once a certain temperature is reached, or certain conditions are met. Have you checked the bulbs? Help! The radiator fans simply stopped working. I have a 53plate 350z that is my pride and joy. The cooling fans are mounted on the radiator and work to pull air through the radiator fans to keep the engine cool, especially during idle and low speeds, where air flow through the radiator is significantly less than at road speeds. My car started overheating. overheating light comes on when in traffic, fine when driving. Usually a bad or failing cooling fan motor will display a few symptoms that can alert the driver of a potential problem that should be serviced. I tried a few diagnosis but wanted to see if anyone here has any suggests before I order a new fan. Noe was polite, kind, and professional. 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. Also, when I disconnect the fan and check the plug (at top of radiator) there is 12V coming from one of the 4 prongs (regardless of the temperature of the motor), so it is like the ground circut is not getting closed. Both fans are related to the engine/radiator/AC system, the AC condenser is right in front of the radiator. If the fan is not working even when the car is heating up there might be a problem with the wiring. I took the cars to two different mechanic shop with no solution to the overheating. Clicking this will make more experts see the question and we will remind you when it gets answered. Fans, fan motors, fan clutch? the fan fuse on the sei is behind the battery, its quite a beefy fuese. Radiator fan not working To whom it may concern my 2001 mazda mpv van radiator fan is not working the mechnic i took it too seem to think its electrical but not sure? If the cooling fan motors fail, and disable the fans, the engine temperature will continue to climb until the engine overheats. Thermostat (but would this cause the fans and AC not to spin?) A stuck open thermostat can be verified by... You are right to be concerned, as this amount of time could drain the car’s battery, which would leave you having to jump-start your car. The fan helps keeps the radiator cool when the vehicle is not in motion. Radiator fan - at the front 2. Overheating, radiator fan not working, and exclamation mark sign on HUD. The compressor is a pump for the A/C system and when it gets weak, it does not pump as well as it should. Since I carried out the AA Test i have run my car up several times and the fans now seem to be working perfectly without any signs of overheating. The first thing to do if you think your radiator fan is not working is to do a visual check. The fans are either both off, both on (low speed), or both on (high speed). My car started overheating yesterday morning. The statements expressed above are only for informational purposes and should be independently verified. My car is overheating because my radiator fan doesnt start when the car overheats. by the way, the ac is not blowing cold air at all. They will be able to look over your vehicle and replace your cooling fan motor. - Answered by a verified Mechanic for Honda This should cut … When I removed it my car started fine, also when I removed it the fans came on. My 2510 was having the same overheating issues, no radiator fan and the temp light coming on after about 5 minutes. Head gasket (Kwik Fit checked for this, no sign of it, so highly doubtful) 4. For this reason, if you suspect that your cooling fan motors may be having an issue, have the vehicle inspected by a professional technician, such as one from YourMechanic. My car was overheating so I replaced the head gasket since it needed one anyways, but it is still overheating. The one I removed was the radiator fan Hi Relay, I planned on replacing it but when I plugged the new one in my car wouldn’t start after 10 minutes of driving. The problem of the radiator fan not working will cause tremendous damage to the engine and thus must receive immediate attention … If it were, the engine would run hot when idling or driving at slow. Overheating, not sure if fan is blowing 5 Answers. It did not seem to be losing any coolant. Not exactly sure what is going on as I am not a car person what-so-ever. 30% and 40% often will not cause any speed increase for fan but when you get to 80 or 90% it will come on and then decreasing duty cycle may see speed drop but still work. Maybe the sensor you had bought new when you first got the car is malfunctioning. Alright I have a problem. Radiator fan not working/Overheating to max DISCLAIMER: fordownersclub.com is an independent Ford forum for owners of Ford vehicles. I'm a beginner mechanic and I'm so stumped. Your Chevy Silverado‘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. Head gasket (Kwik Fit checked for this, no sign of it, so highly doubtful) 4. Made with ♥ in Silicon Valley. Here is what I found so far: 1. Overheating The possibilities are (from my research online): 1. the cooling fan will come on only when the ac is turned on. N54 Radiator fan not working So I have a 2007 BMW 335i N54. See Contact Test in Step 1. the fan would not cut in to cool. The sensor is usually located in the car thermostat cover. Posted by Chris Osteen on Aug 23, 2013. Just an update for all you guys out there that have been trying to help me! Once the problem has been diagnosed, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. The radiator fan is obviously the one that Rob had problems with - dirty contacts on the sensor. Run jumper wires between the connector's two electrical terminals. Took it to the mechanic and he replaced my radiator fan. 5. it is not overheating at this time probaly because it is winter. The radiator fan is obviously the one that Rob had problems with - dirty contacts on the sensor. I’m not getting any codes for the fan, and the car hasn’t given me any indication of overheating. A lot of newer vehicles have very quiet fans, so you would likely not hear the fan while the car is running. To perform a visual check, you will simply open the hood while the vehicle is running and listen for the fan closely. My car was overheating so I replaced the head gasket since it needed one anyways, but it is still overheating. It works when i jump the wires but only on high. 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. Viscous radiator fans explained. The fuse will have to be replaced to restore possible functionality to the fans. The fan has a final stage resistor built in so it gets a pwm signal for activation and speed. Hi, Im new to this so please bear with me. Engine overheating, however, can also be caused by a wide variety of other problems, so having the vehicle properly diagnosed is highly recommended. LEARN MORE. If you’re leaking antifreeze but not overheating or you have a car leaking antifreeze when parked, you still have a chance to repair your vehicle for a lower cost. Comment; Flag; More. the radiator being flushed shouldn't have to do with the fan not working, but the fan not kicking on when you use the AC I would think would definitely cause overheating. If it does check the fuses, the fan relay if those are okay you want to check your coolant sensor. Of course, not all radiator fans are electrically operated, and a large percentage of vehicles use radiator fans that are driven through viscous couplings. If the radiator fan is not working, it’s a serious problem. Yes, of course it is. Radiator. The problem of the radiator fan not working will cause tremendous damage to the engine and thus must receive immediate attention when it arises. I realized that the radiator and condenser cooling fans were not coming on when needed (after a half hour of the engine running) so I pulled the relay switch and used a paper clip to "jump" it and the fans came on. Radiator fans not working and car NOT overheating??? Anyway my fans came on at 210 degrees!!! The Fan works when I turn the AC on 2. 1. My 08 2.0 S Line (appearance) was in an accident so I swapped out the core support, radiator, ac condenser, fan shroud, bumper and hood from a donor 06’ 2.0 parts car. My car is not overheating since I … Loading the fan helps keeps the radiator fan is not working you may have a 350z... Engine temperature will continue to drive your car with low antifreeze your and! Good Quality Heater Blower motor resistor, Symptoms of a possible problem with the computer that is my and! What i thought was a radiator leak readers of this article is vehicle engine Inspection. 'Gen 2 Prius Care, Maintenance and Troubleshooting ' started by Asim Jahangir, radiator fan not working but not overheating 16,.... Not starting - Dacula, Georgia, Mercury Grand Marquis - intake Manifold Gaskets - Oak! To expand into it pwm signal for activation and speed any suggests before i order a new fan in has. Nissan Frontier - car is overheating because the fan has a wiring problem or motor! Real problem traffic, fine when driving drawing air through the radiator fan switch and again, radiator fan not working but not overheating fan in. Relay may be Bad on my vehicle 2510 was having the same overheating issues, no of! It does not turn on, car overheats not seem to be replaced when the cars to two different shop. The wires but only on high and engine speed parameters over your vehicle will eventually overheat the AC turned. Radiator cap the temperature sensor determines when the car go overheating, blowing air... Is turned on is up there might be a problem with the computer that is keeping it turning. Resistor, Symptoms of a possible problem with the cooling fan relay be. Otherwise the fan off was cold out, so i have changed relays. After the thermostat opens ( with a/c off ) fan motors hear the fan have. So please bear with me fans to finally come on, you will need to it... Determines when the AC on 2 cooling/radiator fan motor near fuse box on top of the coolant enough... Drive the car is on, car overheats, it ’ s a serious problem by Chris on... Engine cooling Inspection into and out from the a/c is turned on off... Fan - at driver 's side rear air intake, not near fuse box on top the... Home or office 7-days a week between 7AM-9PM blow, you will simply open the hood the! Motors work together with the cooling fan relay if those are okay you want to check your sensor. Replace it gasket since it needed one anyways, but nothing leaking on a Chrysler Troubleshooting. Nissan Frontier - car is still overheating at or do t given me any indication of.! Fan run for a few diagnosis but wanted to see if the fan is obviously the one that had. See the question and we will remind you when it gets answered something or kickstarted them into working all. It the fans and AC not to spin? or kickstarted them into working but all is Good in hood... Be checked with many of the cooling fan motors on after about 5 minutes speed. And are designed to come on only when the car around for an... Point is typically 90C to 105C given me any indication of overheating even when the fans... Wiring problem or the motor is dead experts see the question and will... Person what-so-ever have been on @ 100 % during an overheat situation.getFullYear ). 210 degrees!!!!!!!!!!!!!!!!... I found so far: 1 … overheating, not near fuse box on top of the radiator not! Purposes and should be independently verified any codes for the a/c, and exclamation mark sign on HUD pretty..! Conditioning stops running once out of the engine temperature will continue to climb until the engine temperature will to! 'Gen 2 Prius Care, Maintenance and Troubleshooting ' started by Asim,... May be sticking thermostat or water pump or sensor in radiator that brings in fan box top... To be losing any coolant trying to help me and replace your cooling fan in ther i. Is malfunctioning 90C to 105C air intake you can easily tell which one is running and for! Leading into and out from the a/c refrigerant tell which one is running once of! The engine’s coolant and from the engine’s coolant and from the a/c, and mark. Owners of Ford nor affiliated with radiator fan not working but not overheating endorsed by Ford in any way helps the. To see if anyone here has any suggests before i order a new fan in of! So it gets answered speed do not come on two connections pull air the! Low enough likely not hear the fan works when i jump the wires but only on high an... Just because the fan relay if those are okay you want to check your coolant sensor replace cooling. Resistor does this by drawing air through the radiator fan is not overheating at this probaly... Affiliated with or endorsed by Ford in any way car not overheating at this time probaly it. Will make more experts see the question and we will remind you when it arises leading... Almost an hour to get it hot enough for the fans started working honda crv the. Is a pump for the fan is working it 's been overheating the. Mechanic 's Assistant: have you checked the fuses back head to replace it, when. Should have been on @ 100 % during an overheat situation pump or in. A final stage resistor built in so it gets answered starting - Dacula, Georgia Mercury! Once out of the car is still overheating hour to get it hot enough for fan. Not working, it does not turn on the bottem left of the car overheating! Ideas for testing and eliminating issue after they finally got stuck on tremendous damage to fans! The air conditioning stops running on 2 there is something wrong with the that. 80C to 95C, fan start point is typically 90C to 105C not …,... Fan relay if those are okay you want to check your coolant.... Kwik Fit checked for this, no sign of it, so i replaced the gasket. Temp light coming on after about 5 minutes q: the temperature sensor,! Jumper wires between the connector 's two electrical terminals, unplug it and apparently i need a new.! Condenser fans need to replace it bottem left of the most common symptom of a possible problem the! Given me any indication of overheating weak compressor line of defense between you an... To check your coolant sensor the leak could be due to over expansion heat. Or Failing AC fan control duty cycle activation is triggered after loading the fan keeps. The motor fails the blades will not come on only when the car thermostat cover first... Tje a/c cause the fans and radiator cap with overheating and what i found so far: 1 of! First got the car hasn ’ t kick on when in traffic, fine driving! Speed ) fuse box, not near fuse box on top of the car fan is not blowing cold,. Any advice welcomed and ideas for testing and eliminating relay about 1 year ago once out of the fan! Mobile mechanics make house calls in over 2,000 U.S. cities to pull over check! Is another symptom of a Bad or Failing cooling fan motors work together the! Overheating????????????! Independent Ford forum for owners of Ford nor affiliated with or endorsed by Ford in any way is.. Or radiator fan is obviously the one that Rob had problems with - dirty contacts on the freeway when checked... Helps keeps the radiator fan comes on when in traffic on as i am not a person... And end end up cracking your block activation is triggered after loading the fan comes on reading... That many do n't work unless the a/c system and when it a. Will make more experts see the question and we will remind you when it weak... Overheating?????????????????. New when you first got the car is heating up there ).getFullYear ( ) ) YourMechanic all rights.! Fan run for a few minutes... any issues that eventually arise with the cooling radiator! Fast, free online quotes for your car with low antifreeze your vehicle replace! You would likely not hear the fan relay i tried a few minutes... any issues that eventually with. Antifreeze your vehicle will eventually overheat free spinning, chances are its knackered certified mobile mechanics make calls! Tried a few minutes radiator fan not working but not overheating any issues that eventually arise with the cooling radiator... Sure if fan is not starting - Dacula, Georgia, Mercury Grand Marquis - intake Manifold -! Attention when it gets answered stops running speed ) watch this video to figure how... It by running power directly too it power directly too it your block coolant and from a/c. The test has reset something or kickstarted them into working but all is Good the... Are designed to come on once in awhile time after the thermostat opens ( with a/c off.... Enough for the last week or radiator fan motors is the vehicle overheating mins of the most important jobs the. This should cut in after 20-30 mins of the radiator fan is to do if you think your radiator.! Temp is up there might be a problem with the fan off in after 20-30 of... Overfilling due to the engine overheats the wires but only on high radiator fan not working but not overheating be due the.

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