my radiator fan does not automatically kick in just because the A/C is on. Dan Ferrell (author) on May 20, 2019: Check the condenser for clogging (bugs, debris). The second one is wired through the series. It will spin freely by hand. When the ac is of the radiator hoses both become same heat after a while and the overflow reservoir starts boiling over and the fan do not kick in. With no airflow through the radiator, it will soon warm up to the temperature at which the fan should cut in. It is the last line of defense between you and an overheating engine. Next suggestion if all these are ok you may have a thermostat fault check the wires to ⦠I found that both the radiator fan and the AC fan weren't working.On a 2002 Honda CRV or most Honda's including Civic and Accord, there's an easy check that can be done to see if you need to repair or replace the fans, relays, temperature switch or even the fuses. When a BMW X3 cooling fan fails, the fan will not activate or only activate at high speed. DO this easy check First!If your Honda Fans aren't working it can be easy repair. 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. Your Chevy Silverado‘s radiator fan has one of the most important jobs on the vehicle. on my E46 and E90 the fan ⦠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. 4. it's a clicking sound coming from the front of the engine near all of the pulley belts. Push the switch in and see if the fan turns on. i actually started having this problem on cura 3.6 but it is still persisting. 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. if you feel the No dice. I tried activating the fan but it didnt work, so i bought a new 3. 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. Fuses 26 and 22 are both in the in-cabin fuse box. How to inspect and repair a cooling fan that's not working. Appears radiator fan on the 2009 Brabus has stopped working. But, you don’t want to miss the easy fixes before you start testing wiring. A radiator fan is thus used to keep the temperature of the coolant in check. Hi, I just had my aircon serviced and the mechanic told me that the aircon is fine, but that the radiator cooling fan is not working, thus preventing the aircon working properly as it controls the cooling fan. Adding coolant to a radiator dry enough not to trigger the engine temp sensor can cause problems from drastic temperature change. Noticed the electric auxiliary fan (behind the radiator) is not turning, ever. A device that heats up quickly and remains in that state won’t perform pleasingly. This video from Ratchets and Wrenches is a phenomenal resource on how to properly diagnose a wiring problem. Honda Fans not working? The cooling fan motors work together with the cooling fan blades to pull air through the radiator. At the dealership, the labor would cost $345 and the radiator fan replacement cost would be between $275 and $330. Basically my main fan that is pointed at the nozzle is not being turned on during the print. check that fuse. Although the fan itself can go bad, that’s definitely not the place to start a diagnosis. For the last few ⦠If fan is not kicking on with A/C on signifies an issue with the A/C, not the cooling fan itself. It can happen. Easy job to Does anyone have knowledge of ⦠it will take time. Lots of traffic here, so I need my radiator fan. According to the mechanic there's power to the motor, but it doesn't run. Hey guys recently updated to cura 4.0 and having a problem. At an independent shop, the labor would cost $230 and the cooling fan assembly (radiator fan, condenser fan, and shroud) can range between $120 and $200 depending on the brand and markup. If it is getting 12+ volts, the fan should be coming on. 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. Because of that, I assumed it was the fan switch, and replaced it. Was not willing to see it go any higher. If your Grand Cherokee is running hot, and the fan The initial test will test the dashboard speedometers, fuel injector and radiator fan. 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. But why is it important to cool down your laptop? If both are dead and changes fuses (2, 1 for each source) does not work, then fan is the culprit. 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. (No Trucks) - Radiator fan not kicking on - I have a 2010 Chrysler Town and Country and I noticed the fan has not been kicking on. Driver side radiator fan is not working and car is overheating PREV 1 2 3 NEXT JOSBRENNAN MEMBER I need the temp not what to check Was this answer helpful? The assembly usually has only three components - fan motor, thermostatic (or thermo) switch, and relay. 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! Passenger Cars, Mini Vans, SUV Service and Repairs. There are many reasons why your Chevy Silverado’s radiator fan is not working. 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