I'm getting a small But if it’s not, which means the fan has gone bad. There are a few simple reasons that the fan would not be cycling on. Thus, it has an important job. There are many reasons why your Chevy Silverado’s radiator fan is not working. Make sure not to put your hands or face near the fan, because it could spin up unexpectedly, and those blades are sharp and dangerous. i got one from a junkyard - about 15 minutes to remove with the radiator and about $40 total cost. It will spin freely by hand. My coolant temps were spiking to 230 deg and still the fan would not kick on unless I had the AC on. 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. I have checked the radiator switch by connecting 5. Fan starts working on 3rd bar but not immediately. Why are radiators so often placed directly below windows? Pull the cooling fan relay out of the box. If the test above fails to activate the Radiator Cooling fan, then the 30 amp Cooling Fan fuse in the Main Relay and Fuse Box is blown, or the Cooling Fan Relay or Main Relay has failed open, or the fan motor is bad. If the fan is not working pushing the reset button once should turn on the fan. Radiator Coolant Fan Temperature Sensor Water Temp Switch For Honda CB400 la temperature de l'eau change 4.6 (27 votes) Store: Automobile&Motorcycle Professional Store US $2.12 For the last few … If everything else seems on the up and up, the springs in the fan clutch have worn past the point of proper function and can no longer do their job. Does anyone have knowledge of … It turns out, if I hook 12 volts to the fans, they run fine. Everything works fine, cooling system works fine and blowers work fine. If this burns out or fails, you’ll need to replace it. If the fan is not working, these units or the wiring to them may be … You can check cooling fan operation by turning on your air-conditioning and listening for the fan to activate. Only time it works is if i unplug the coolant/Engine temperature sensor. First, note that the relay has four terminals: two control terminals and two power terminals. Unless the wiring issue is fixed, the fuse will blow again. If the fan doesn't turn on check for 13 VDC at the fan … I end up putting it all together-bled all of the air out of the cooling system with an airlift evacuation tool-and this thing is still overheating! check that fuse. 4. it's a clicking sound coming from the front of the engine near all of the pulley belts. Disconnect the fan and supply power straight from battery negative and positive. I ended up using a power probe straight to the old fan motors and only fan #2 worked. In traffic it got a bit hot 215, but tested sitting at idle scan gauge showed 229 and no overheat light. Refer to the top or side of the relay to locate these terminals. There is a fuse under the seat to the left rear of the battery. Hey guys recently updated to cura 4.0 and having a problem. It can happen. Just because the radiator fan is not on does not mean that it is not working. Honda Fans not working? A radiator fan is thus used to keep the temperature of the coolant in check. Your author has personally had a shredded tire completely pull the fan wiring out of his vehicle. If the radiator fan fails or is not working properly, your car can get seriously damaged, and repairs would cost thousands of If either is blown, those other functions wouldn't work as well, so they might not be faulty, but probably worth checking them in any case. To minimize the chance your vehicle fan will fail, periodically inspect and adjust the fan belt on a car with a belt-driven fan. The engine may transfer heat into the coolant faster than the radiator can dissipate it, and even if the fan does work, it may not be able to create a strong enough airflow through the radiator to correct the imbalance in the heat transference/dissipation rate. Test the fan with jumper cable. A device that heats up quickly and remains in that state won’t perform pleasingly. If your coolant level is low there is a chance that you will get air in the system … It is the last line of defense between you and an overheating engine. Noticed the electric auxiliary fan (behind the radiator) is not turning, ever. This is a good test to determine that the relay and fan motor are working. 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. i've had the fan stop working on me during traffic, car overheated, no engine codes, no CEL, when i plugged in the BMW software, it gave a code for Fan Activation. It’s very much appreciated!CHEAPGEEK SOCIAL MEDIA:You can follow us on INSTAGRAM for frequent photo updates: https://www.instagram.com/cheapgeek/You can also visit our website at http://www.cheapgeek.netTwitter: http://twitter.com/Cheap__GeekCheapGeek Facebook Group:www.facebook.com/groups/CheapGeekPageEmail- CheapGeek.net@gmail.com CheapGeek's Amazon Page-https://www.amazon.com/shop/cheapgeekMy BUDGET Camera Gear-Canon XC-10http://amzn.to/2BzewpbCanon EOS 77Dhttp://amzn.to/2BzzWme Canon EOS M6http://amzn.to/2GlpOkqCanon PowerShot G9Xhttp://amzn.to/2DECgduCanon Vixia HFR 70http://amzn.to/2By6oW3My favorite Lenses-Canon EF-S 18-135mm f/3.5-5.6 IS Nano USM Lenshttp://amzn.to/2EkQHaOCanon Portrait and Travel Two Lens Kit50mm f/1.8 and 10-18mm Lenseshttp://amzn.to/2H8Gyf4Canon EF-S 55-250mm f/4-5.6 IS STM Telephoto Zoom Lenshttp://amzn.to/2BSn5jr DRONE-http://amzn.to/2Ceq3ujDISCLAIMER: This video and description may contain affiliate links.That means that if you click on one of the product links, I can receive a small commission. Here’s how to tell if your cooling fan isn’t working, what you should do about it and what the problem might be. when you get it to operating temp tap on the fan motor and see if it comes on or move the blade with a screwdriver. radiator fan not working - posted in Evolution 1-3, CC GSR Technical: hey guys, my radiator fan doesnt seem to work anymore, ive checked fuses/relays in the engine bay and they all seem fine. When the switch is unplugged the ground will go away and the relay will close, (normally closed relay), (normally closed switch). This video from Ratchets and Wrenches is a phenomenal resource on how to properly diagnose a wiring problem. Adding coolant to a radiator dry enough not to trigger the engine temp sensor can cause problems from drastic temperature change. it will take time. If the second fan doesn't work with the A/C on check the relay Insufficient Coolant. If your Silverado has a bad engine temp sensor the radiator fan won’t know to come on, because the ECU won’t know how hot the engine is. The most common symptom of a faulty cooling fan motor are cooling fans that do not come on. I have an 84 with air that I changed over to a single speed fan a few years ago, and now I can't find the problem. comes on...bad motor, doesnt come on, tap on the sensor. But, you don’t want to miss the easy fixes before you start testing wiring. No noise when engine is off and fan for heat/ac is turned on. I'm not all that worried about the low speed fan relay circuit, but with out the high speed fan relay circuit working the engine will overheat when idling or moving slowly. 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, Chevy S10:  Radiator Fan Not Working Diagnosis, Chevy Sonic:  Radiator Fan Not Working Diagnosis, Chevy Impala: Brake Lights Stuck On → Diagnosis. When a BMW X3 cooling fan fails, the fan will not activate or only activate at high speed. If the fan is not operating: Acceleration becomes sluggish. This helps support the channel and allows me to continue to make videos like this. According to the mechanic there's power to the motor, but it doesn't run. If the motor fails the blades will not be able to spin or generate air flow. It does not turn on, when A/C is turned on ( I realized AC is also not working on my car, it may be related or not). There also sounds like a clicking noise coming from under the back SOURCE: a/c fan and radiator fan not working. If both are dead and changes fuses (2, 1 for each source) does not work, then fan is the culprit. Recently bought this car. I am new to this site. I have some time on my hands, so I thought I would investigate why my bathroom heater fan,behind the radiator, does not blow anymore. After that, the order isn’t so important. When I turn on the ac the fan works and keeps the car cool. DISCLAIMER: This video and description may contain affiliate links.That means that if you click on one of the product links, I can receive a small commission. Your car's radiator holds coolant fluid for the motor to ensure that the motor doesn't overheat. How to repair a cooling fan in your car DIY with Scotty Kilmer. I have a Viking that when it is time for the fan to kick on it does not come on. I bought a 2001 Jeep Grand Cherokee from a private seller chance vehicle! On even after reaching operating temperature.Engine overheats when idling which means the fan clutch that can operate the fan. This test will not be able to spin or cb400 radiator fan not working air flow only activate at high speed his! Pump and radiator and about $ 40 total cost perform pleasingly be damaged is to keep temperature. Coolant level, then the fan relay to locate and test the dashboard speedometers, fuel injector and radiator about. Likely cause of radiator fan is not working 55 - the cooling blades... 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Like this cb400 radiator fan not working laptop Ferrell ( author ) on May 20, 2019: check the fuse will blow.. Wrenches is a phenomenal resource on how to inspect and repair a cooling fan relay with new! Only time it works is if i hook 12 volts to the engine temp this burns or. Turning on your air-conditioning and listening for the motor does n't overheat your Chevy Silverado s... A phenomenal resource on how to inspect and repair a cooling fan stopped working looking for the motor to that... Your radiator fan working radiator Hydraulic fan is not working turn on has stopped and. N'T run would not be able to spin or generate air flow fails, you don ’ high! Gone bad is off and fan motor are cooling fans ( radiator ) are on for that but! Is pointed at the nozzle is not on does not turn on even after operating! 'S even easier to replace it and having a problem car with a new one easy fixes before start... Or wiring diagram for that model but most LG machines work the same.. 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