The material contained in the forums is submitted by the general public and is NOT endorsed by Ford Motor Company Ltd. it is not overheating at this time probaly because it is winter. Maybe the sensor you had bought new when you first got the car is malfunctioning. 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. The cooling fan motors work together with the cooling fan blades to pull air through the radiator. Noe was polite, kind, and professional. My cooling fan in front of my radiator does not work. 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. If the cooling fan motors fail, and disable the fans, the engine temperature will continue to climb until the engine overheats. Radiator fan - at the front 2. Electric radiator-fan motors are switched on either by the ignition switch - and run while the engine is working - or by a thermostatic switch. The cooling fans are thermostatic and are designed to come on once a certain temperature is reached, or certain conditions are met. My cooling fans are not working, I replaced my thermostat, ECT, waterpump, fans and radiator cap. 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. 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. It did not seem to be losing any coolant. If the radiator fan is not working, it’s a serious problem. No fans. Head gasket (Kwik Fit checked for this, no sign of it, so highly doubtful) 4. 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. It did not seem to be losing any coolant. Have you checked the bulbs? 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. He changed the relays along with putting a new fan in. Radiator fan not working/Overheating to max DISCLAIMER: fordownersclub.com is an independent Ford forum for owners of Ford vehicles. 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. AC condenser fans need to be replaced when the air conditioning stops running. i thought it may be sticking thermostat or water pump or sensor in radiator that brings in fan. 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. I tried a few diagnosis but wanted to see if anyone here has any suggests before I order a new fan. Note that the only thing different about the 06 parts car is that the 06 bumper came with an integrated homelink module so theres an extra plug in the bumper. Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Asim Jahangir, Jun 16, 2014. 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. Another symptom of a possible problem with the cooling or radiator fan motors is the vehicle overheating. Radiator. The thermostat is one of those parts that many don't think about, but... Hello. LEARN MORE. To perform a visual check, you will simply open the hood while the vehicle is running and listen for the fan closely. The compressor is a pump for the A/C system and when it gets weak, it does not pump as well as it should. If it were, the engine would run hot when idling or driving at slow. When I checked the code on my scanner tool it mentioned code p1491 Radiator Fan Relay Circuit. as custard said - test it by running power directly too it. Overheating, fan not working consistently; need to change coolant fan relay - cannot locate. 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. N54 Radiator fan not working So I have a 2007 BMW 335i N54. If the fan does not turn on, you will need to replace it. 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. the fan fuse on the sei is behind the battery, its quite a beefy fuese. Could this be possible? Radiator fan testing points. There are two fans: 1. My car is overheating because my radiator fan doesnt start when the car overheats. Of course, not all radiator fans are electrically operated, and a large percentage of vehicles use radiator fans that are driven through viscous couplings. Clicking this will make more experts see the question and we will remind you when it gets answered. Want Answer 0. My car was overheating so I replaced the head gasket since it needed one anyways, but it is still overheating. It’s not the radiator. 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. Took it to the mechanic and he replaced my radiator fan. Watch this video to figure out how to diagnose problems with the cooling fan relay on a Chrysler. 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. If the radiator fan is in working condition, move on to the next step. 3. They are designed to only run when needed. Radiator cooling fan not working, code p149. 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. The most popular service booked by readers of this article is Vehicle Engine Cooling Inspection. Hello! It threw code P0600 serial communication link. It works when i jump the wires but only on high. Radiator fan not working overheating - Town Car Lincoln Cars & Trucks. Connect a 12 Volt power source directly to the fan and see if the fan comes on. My car is not overheating since I … 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. My car started overheating. Engine bay fan - at driver's side rear air intake You can easily tell which one is running once out of the car. Not in front of radiator, not in air intake, not near fuse box, not behind headlight. 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 cooling fans are thermostatic and are designed to come on once a certain temperature is reached, or certain conditions are met. Radiator fans not working . 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. How Long Does a Cooling Fan Resistor Last? If the cooling fan motors burn out or fail, the cooling fans will be disabled. Alright I have a problem. Coolant levels OK. Typical thermostat operating temperature is 80C to 95C, fan start point is typically 90C to 105C. 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. © the fan would not cut in to cool. When I removed it my car started fine, also when I removed it the fans came on. So i replaced the hose, but noticed that my radiator fans don't work unless the A/c is turned on. although if the fan isn't very free spinning, chances are its knackered. Since you saw one running and one not, the one not running has a wiring problem or the motor is dead. Radiator fan not working, engine overheating, blowing cold air, but nothing leaking. My car is still overheating because the fan is not working. An overheating engine can cause more problems especially if you let it go too long and end end up cracking your block. Your Toyota Camry‘s radiator fan has one of the most important jobs on the vehicle. 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. Engine overheating, however, can also be caused by a wide variety of other problems, so having the vehicle properly diagnosed is highly recommended. 2003 beetle. 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. The fans are either both off, both on (low speed), or both on (high speed). It is possible that a wire has worn out due to heat and needs replacement. You need to inspect all the wiring leading into and out from the radiator fan. My car started overheating. 5. The resistor does this by drawing air through the radiator and air conditioning condenser. My car started overheating yesterday morning. I know that it should go on once in a while when the cars temp is up there. Coolant air bubble Any advice welcomed and ideas for testing and eliminating. 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 … 2006 honda crv, the fan is not working and the car go overheating, but it's cool when i start tje a/c. The primary purpose of the radiator fan is to prevent the engine from overheating when there’s not enough airflow, ie. 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.. i thought it may be sticking thermostat or water pump or sensor in radiator that brings in fan. it is not overheating at this time probaly because it is winter. If it does check the fuses, the fan relay if those are okay you want to check your coolant sensor. Not exactly sure what is going on as I am not a car person what-so-ever. It's been overheating for the last couple weeks now. 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. 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. - Answered by a verified Mechanic for Honda Radiator fan not working, engine overheating, blowing cold air, but nothing leaking. Not able to pull over and check fan as I was in traffic. 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. I do not think my radiator fan is working. 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. Q: The temperature gauge goes to the highest point. Radiator fans not working and car NOT overheating??? The fan has a final stage resistor built in so it gets a pwm signal for activation and speed. A lot of newer vehicles have very quiet fans, so you would likely not hear the fan while the car is running. The radiator fans simply stopped working. 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. Could this be possible? It is the last line of defense between you and an overheating engine. I would have him back again to work on my vehicle. Symptoms of a Bad or Failing AC Fan Control Module. About 31 degrees out right now. Overheating, radiator fan not working, and exclamation mark sign on HUD. Thermostat (but would this cause the fans and AC not to spin?) The most common symptom of a faulty cooling fan motor are cooling fans that do not come on. Unplug the radiator fan connector. The fuse will have to be replaced to restore possible functionality to the fans. 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. New radiator thermostat 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 statements expressed above are only for informational purposes and should be independently verified. Q: Fan not working and car overheating. A blown cooling fan circuit fuse is another symptom of a potential problem with the cooling fan motors. To ensure optimal performance and lifespan, your engine must not overheat. Alright I have a problem. Hope this helps. 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. The first thing to do if you think your radiator fan is not working is to do a visual check. It threw code P0600 serial communication link. Radiator fans not working. document.write(new Date().getFullYear()) Pretty weird.. How to Buy a Good Quality Heater Blower Motor Resistor, Symptoms of a Bad or Failing Cooling Fan Relay. My problems started with overheating and what I thought was a radiator leak. The fan helps keeps the radiator cool when the vehicle is not in motion. 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. YourMechanic All rights reserved. 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. 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.