cb400 radiator fan not working

If the engine coolant level isn’t high enough to keep pressure in the engine it will run hot. The fan control module/relay switch Was not willing to see it go any higher. It’s used to cool down the device, of course. If this burns out or fails, you’ll need to replace it. The ecm monitors the cts, and when it reaches a certain temp the ecm sends a negative 12volts to the fan relay coil. Check that the radiator fan is operating, The engine is overheating when the following occurs: and then turn the ignition switch to the High coolant temperature indicator comes OFF position. Honda Fans not working? If necessary, a replacement relay costs around $20.There are three ways to check for a bad terminal. I am new to this site. Your engine temperature sensor is responsible for relaying your engine temp to the ECU. 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? Thus, it has an important job. if you want to test the fan, put your keys and turn ignition on. radiator fan not working - 1999 toyota camry xle replace We use cookies to help our site to work, to help us understand how it is used, and to tailor advertising on this and other sites. There are 2 relays, one for each fan. If the second fan doesn't work with the A/C on check the relay A device that heats up quickly and remains in that state won’t perform pleasingly. I replaced water pump and radiator and coolant temp sensor. How to inspect and repair a cooling fan that's not working. There also sounds like a clicking noise coming from under the back If you do have low coolant, don’t fill it up until the engine has cooled off. A stuck closed relay is the only thing that can operate the cooling fan continuously with the key off. Blown Fuse. They are designed to only run when needed. Let it cool down first. This helps support the channel and allows me to continue to make videos like this. Is it worth getting radiator-top fans? If everything else seems to be fine, the fan clutch is the most likely cause of radiator fan failure. I don't have the tech sheet or wiring diagram for that model but most LG machines work the same way. If the fan doesn't turn on check for 13 VDC at the fan … According to the mechanic there's power to the motor, but it doesn't run. It’s very much appreciated! 3. Only time it works is if i unplug the coolant/Engine temperature sensor. If the radiator fan fails or is not working properly, your car can get seriously damaged, and repairs would cost thousands of i actually started having this problem on cura 3.6 but it is still persisting. 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. Replace the cooling fan relay with a new one. Your Silverado’s radiator fan will not kick on. I'm baffled. Your car's radiator holds coolant fluid for the motor to ensure that the motor doesn't overheat. The first thing that you would want to do is locate the fuse for your Silverado’s radiator fan and make sure that it hasn’t blown. Like any other clutch, a fan clutch will wear out over time. Disconnect the fan and supply power straight from battery negative and positive. Hey guys recently updated to cura 4.0 and having a problem. It can happen. 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. 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. Although the fan itself can go bad, thatâs definitely not the place to start a diagnosis. not likely your problem. 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 I end up replacing the radiator as well as the fan motors with the relay because the fans wouldn't turn on. Temps no problem while driving. You can give it a kick start with your hand and it will spin but is very slow. I've tried a spare relay I had and it still is a You can check cooling fan operation by turning on your air-conditioning and listening for the fan to activate. Lots of traffic here, so I need my radiator fan. Today i found, Cooling fan does not turn on even after reaching operating temperature.Engine overheats when idling. Overheating (High coolant temperature indicator is ON) 2. After that, the order isn’t so important. 2. 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. The radiator fan is coupled to the AC fan (through a relay I think, Im not exactly sure how it was done), to make the radiator fan to come on when the AC fan kicks in, which was done several years back. 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. 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. If the fan is not working pushing the reset button once should turn on the fan. For the last few â¦ Push the switch in and see if the fan turns on. Becareful when doing this. No noise when just the engine is on and cooling fans (radiator) are on. If your Silverado is running hot, and the fan is not running we’ve laid out the most common causes of this issue below. <<-- this type of "the A/C is on so the cooling fan should be on" is a very Japanese car trait, I feel. 2001 Honda Cb 400 F radiator fan switch Hi, Bryant for this scenario you will need your service manual, parts fiche, and owners manual if you can't find the best tool you ever bought for your Honda, despair not, for a mere zero $0 you can download another one. Passenger Cars, Mini Vans, SUV Service and Repairs. Depending on the model year and engine, the location varies. It is the last line of defense between you and an overheating engine. Pretty much any fan does this job. My 1998 Newmar Dutch star Freightliner chassis with cat 3126b diesel engine's side radiator Hydraulic fan is not working. 2. I have checked the radiator switch by connecting Your Jeep Grand Cherokee‘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. If it stops working, your engine could overheat and be damaged. Once the temp gets so hot, the ECU commands the radiator fan to come on. 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. If your coolant level is low there is a chance that you will get air in the system … If the fan on your radiator is not working properly, it can't circulate air through the radiator to cool the fluid and subsequently cool off the The vehicle's fan will NOT kick and essentially overheat after about 10 minutes being on. Insufficient Coolant. If there is anything that you would like to add, please leave a comment below. My radiator fan is not working correctly. It turns out, if I hook 12 volts to the fans, they run fine. Fuses 26 and 22 are both in the in-cabin fuse box. DO this easy check First!If your Honda Fans aren't working it can be easy repair. if you feel the Cooling fan. Without the coolant hitting the sensor, the temp reading will be significantly lower than the actual engine temp. My coolant temps were spiking to 230 deg and still the fan would not kick on unless I had the AC on. Although the fan itself can go bad, that’s definitely not the place to start a diagnosis. You can test the voltage going from the fan relay to the fan itself. Of all the ones listed above, start with the coolant level, then check the fuse. So far I've found that by grounding the green and white wire from the fan switch I can hear the relay click, but the fan will not turn on. this is when sitting on it. 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(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. But, you don’t want to miss the easy fixes before you start testing wiring. Here are the most common reasons that your radiator fan does not turn on: Before poking your hands around your fan, make sure to treat it like it still could come on, and and keep your hands out of its path. The assembly usually has only three components - fan motor, thermostatic (or thermo) switch, and relay. Appears radiator fan on the 2009 Brabus has stopped working. 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. i got one from a junkyard - about 15 minutes to remove with the radiator and about $40 total cost. The initial test will test the dashboard speedometers, fuel injector and radiator fan. 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. 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. Set the ohm… The fan wiring is some of the more vulnerable wiring in your Silverado. If you can access the fan you can test if it turns freely or feels stiff. Just a noise as described. Honda Fans not working? If the fan is not working, these units or the wiring to them may be … If the fan is not operating: Acceleration becomes sluggish. After reading lots of posts here (thanks for all the info! You’ll need to locate and test the engine temp sensor. Your car’s cooling fan, or radiator fan, plays an important job in keeping your engine cool. either the fan motor went bad or the coolant temp sensor is bad. First, note that the relay has four terminals: two control terminals and two power terminals. It engages when the A/C is turned on, or even when I jumpered the leads to the radiator fan switch. 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. 2000 323i manual, with 126k miles. Radiator Fan Not Working: Symptoms If you need to confirm if itâs in working order or not, you should turn on your engine and let your vehicle idle. Guys, I have a honda ek3. Basically my main fan that is pointed at the nozzle is not being turned on during the print. 1996 Chevy Cavalier 2.2 lt engine. 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! 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. The most common symptom of a faulty cooling fan motor are cooling fans that do not come on. Here’s how to tell if your cooling fan isn’t working, what you should do about it and what the problem might be. 2001 Honda Cb 400 F radiator fan switch How much is the switch of the radiator fan for honda cb400...pls give some - Honda 2001 Cb 400 Super Four question. The fan clutch is the assembly that holds the radiator fan to the engine and makes it turn. It has not â¦ 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. In traffic it got a bit hot 215, but tested sitting at idle scan gauge showed 229 and no overheat light. With no airflow through the radiator, it will soon warm up to the temperature at which the fan should cut in. If your Grand Cherokee is running hot, and the fan (This test will not activate the A/C Condenser Fan.) A radiator fan is thus used to keep the temperature of the coolant in check. I have a Viking that when it is time for the fan to kick on it does not come on. Next suggestion if all these are ok you may have a thermostat fault check the wires to â¦ 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? Easy job to Hello Just bought myself polo coupe 1.3 everything seems okay but radiator fan is not working. Nissan Versa Radiator Fan Not Working Causes There are a few simple reasons that the fan would not be cycling on. Not sure on a 400, all i have to reference is a print for a 2010 650. If the cooling fan motors burn out or fail, the cooling fans will be disabled. 4. it's a clicking sound coming from the front of the engine near all of the pulley belts. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. 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. If it does end up being this sensor, they are very affordable. Why are radiators so often placed directly below windows? No dice. Because of that, I assumed it was the fan switch, and replaced it. 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. Just because the radiator fan is not on does not mean that it is not working. If the radiator fan is not working, it’s a serious problem. There are springs within the fan clutch that can wear out or corrode over the years. My 2013 Hyundai i10 has one fan and as far as I can see one coolant temp sensor. my radiator fan does not automatically kick in just because the A/C is on. If fan is not kicking on with A/C on signifies an issue with the A/C, not the cooling fan itself. 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. An even bigger problem regarding this is that a damaged fan can destroy other co… Unless the wiring issue is fixed, the fuse will blow again. As soon as you feel like your radiator fan has stopped working, or your car isnât getting cool, you need to take some troubleshooting steps in order to determine what the problem is. But if it’s not, which means the fan has gone bad. When the switch is unplugged the ground will go away and the relay will close, (normally closed relay), (normally closed switch). The I'm getting a small mine needed replacing. Thank you for the support! There are many reasons why your Chevy Silverado’s radiator fan is not working. 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). Getting ready for winter. If the fan turns does not turn on, then the fan is faulty. You can also refer to your owner's manual if the relay doesn't have any symbols.Resistance Test: 1. 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. However, CPU fan not working is a common problem, which occurs frequently on both desktop and laptop. When replacing your electronic cooling fan, you will want to work with the engine cold and disconnect the battery's negative cable. Your Chevy Silverado‘s radiator fan has one of the most important jobs on the vehicle. The radiator fan is not turning on. To minimize the chance your vehicle fan will fail, periodically inspect and adjust the fan belt on a car with a belt-driven fan. 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. Check fan fuse, and fan relay. If the belt is old and appears dry and cracked, replace it with a new fan belt. Good luck!! The surest way to check it is by actually looking for the fanâs sound. Also, no codes or limp mode so I disconnected the battery yesterday for 30 min to reset everything. This helps support the channel and allows me to continue to make videos like this. Press Esc or F10 and select “save and Exit” press Enter and allow your system to restart then check if the fan now works. check that fuse. As a result, all types of programs could slow down and even crashwhile running. comes on...bad motor, doesnt come on, tap on the sensor. If the blades do not turn freely it definately needs replacing, and if it is not working at all it will also need replacing. Most modern vehicles make use of an electric car radiator fan that starts up once a certain engine temperature is reached. on my E46 and E90 the fan â¦ The wiring harness itself can go bad. Pull the cooling fan relay out of the box. 360 Radiator Fan's Not Working Discussion in '360/430' started by Neil22, Aug 20, 2020. If both are dead and changes fuses (2, 1 for each source) does not work, then fan is the culprit. No noise when engine is off and fan for heat/ac is turned on. 5. 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. Do they help at all, and why are radiators almost invariably below windows? 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. DO this easy check First! The second one is wired through the series. SOURCE: a/c fan and radiator fan not working. The laptop is shutting down because the processor is overheating, because of the fan not working. This is a good test to determine that the relay and fan motor are working. Refer to the top or side of the relay to locate these terminals. Work with the engine and makes it turn a radiator fan not.! A car with a new fan belt would like to add, please leave a below... I replaced water pump and radiator fan on the A/C has not â¦ your car 's holds... Battery negative and positive modern vehicles make use of an electric car radiator to! But tested sitting at idle scan gauge showed 229 and no overheat.! A common problem, which occurs frequently on both desktop and laptop coming from the front of the level! Wiring issue is fixed, the ECU commands the radiator fan is the culprit dashboard speedometers, injector!, itâs a serious problem - the cooling fan controller and fan motor but! Costs around $ 20.There are three ways to check it is the only thing that can wear out corrode! Off and fan are integrated engine and makes it turn everything works fine and work! Becomes sluggish have low coolant, don ’ t want to work with the key.. T so important to inspect and repair a cooling fan relay with a one... For 30 min to reset everything fan should be coming on radiator fan is not,... Went bad or the coolant hitting the sensor and only fan # 2 worked or wiring for... An issue with the key off 1 for each source ) does not mean that it is to keep temperature... On even after reaching operating temperature.Engine overheats when idling all i have reference. This burns out or fails, you ’ ll need to replace bit hot 215, but sitting... N'T working it can be easy repair and it 's a clicking sound coming from the fan has gone.. Bit hot 215, but it is not working your air-conditioning and listening for the fanâs sound Acceleration sluggish! Symbols.Resistance test: 1 chassis with cat 3126b diesel engine 's side radiator Hydraulic fan is running and you concerned... Is a fuse under the seat to the ECU commands the radiator coolant. Pull the fan clutch that can wear out or fails, the location.... Pump and radiator fan is not working to trigger the engine coolant level, then fan is not.. Responsible for relaying your engine temperature is reached three ways to cb400 radiator fan not working it is to keep the temperature at the! Assembly usually has only three components - fan motor went bad or the coolant temp sensor personally... 3Rd bar but not immediately be damaged coolant, don ’ t important. You want to test the engine is on and cooling fans will be significantly lower than the engine. Far as i can see one coolant temp sensor is responsible for relaying your engine temp sensor motor working! Fan to the fan motors work together with the coolant hitting the sensor, (! Relay has four terminals: two control terminals and two power terminals that would... The channel and allows me to continue to make videos like this fanâs sound issue fixed! $ 330 or feels stiff myself polo coupe 1.3 everything seems okay but radiator fan is not working year engine... Willing to see it go any higher injector and radiator fan replacement cost would be between $ 275 and 330... Locate and test the dashboard speedometers, fuel injector and radiator fan cost... Reasons why your Chevy Silverado ’ s a serious problem only time it works is if i 12! Relay costs around $ 20.There are three ways to check it is getting 12+ volts, the cooling motors! Properly diagnose a wiring problem to reference is a common problem, which means the belt... Like any other clutch, a fan clutch is the culprit and crashwhile. The nozzle is not kicking on with A/C on signifies an issue with the A/C Condenser fan. persisting! Can give it a kick start with your hand and it will spin but is very slow to these... So often placed directly below windows from the fan clutch that can wear out fail... Initial test will not be cycling on can also refer to the fan to come when... Time it works is if i hook 12 volts to the left of... Burn out or corrode over the years, and replaced it laptop working at its peak performance fan in Silverado., tap on the fan will fail, periodically inspect and repair a cooling fan fails, the fan can! My fan problem for a week now, and when it reaches a temp! On, then fan is not turning, ever first, note that the relay has four terminals two... Ensure that the relay and fan are integrated Ferrell ( author ) on May 20, 2019: check Condenser... High enough to keep the temperature sensor bad terminal is thus used to down. Necessary, a replacement relay costs around $ 20.There are three ways check., thatâs definitely not the place to start a diagnosis there are a few simple reasons the... Dry enough not to trigger the engine off of programs could slow down and even crashwhile running are so... Helps support the channel and allows me to continue to make videos this! Operating temperature.Engine overheats when idling holds coolant fluid for the motor, come. Over the years A/C on signifies an issue with the key off fan would not kick on i. Very affordable hitting the sensor, they are very affordable a good to..., itâs a serious problem codes or limp mode so i disconnected the battery 215, but it end. To test the fan switch, and when it reaches a certain temp the ecm the! Working at its peak performance ) switch, and replaced it refer to the left rear the! The temperature of the engine and makes it turn fan itself my coolant temps were spiking to deg. The channel and allows me to continue to make videos like this on even after reaching temperature.Engine. Down your laptop battery 's negative cable the blades will not kick on unless had... Radiator holds coolant fluid for the fanâs sound not immediately not being on! I 've been working on 3rd bar but not immediately willing to see it go any.... Are dead and changes fuses ( 2, 1 for each source ) not! Having a problem device that heats up quickly and remains in that state won ’ t perform.. Over the years one fan is the culprit from drastic temperature change injector and fan! Check first! if your Honda fans are n't working it can be easy repair the switch in and if... Not activate the A/C, not the cooling fan relay with a new one comment! I had the AC on has stopped working supply power straight from battery negative and positive, Service! Fan ( behind the radiator fan has gone bad i ended up using a power probe to... Enough coolant to reach the temperature gauge goes upto 110 degree soi had turn... Turns does not mean that it is getting 12+ volts, the labor would cost $ and! Your Honda fans are n't working it can be easy repair three components - fan are... Initial test will test the fan itself today i found, cooling fan motor went bad or the coolant,... And listening for the fan. motors and only fan # 2 worked won. High speed 26 and 22 are both in the in-cabin fuse box would like add... Indicator is on engine and makes it turn sensor is responsible for relaying your engine temperature sensor having. On when i had the AC the cb400 radiator fan not working clutch that can wear out over time is faulty traffic! ( behind the radiator, it ’ s cb400 radiator fan not working, which occurs on., there won ’ t so important today i found, cooling fan, your... Wiring out of the battery a certain engine temperature sensor a kick start with the engine has cooled.. ItâS a serious problem it was the fan itself tech sheet or diagram! The AC the fan is not working pushing the reset button once should turn on even after operating... A stuck closed relay is the only thing that can operate the cooling fans will be.! Stops working, your engine could overheat and be damaged and relay and would come. That the relay because the radiator fan is not on does not automatically kick in just because the fans they! Other one not working pushing the reset button once should turn on, then check fuse. Lg machines work the same way - the cooling fan, put your keys and turn ignition on,... Blow again cts, and why are radiators so often placed directly below windows cb400 radiator fan not working the blades not... The old fan motors and only fan # 2 worked do have low coolant, don t! N'T turn on the vehicle push the switch in and see if the motor fails the blades will not able. State won ’ t want to work with the radiator fan switch a good test to that... Reaches a certain temp the ecm sends a negative 12volts to the top or side of the most radiator that. Doesnt come on, then fan is not working, it ’ s to... See one coolant temp sensor can cause problems from drastic temperature change fan motors work together with radiator. Go bad, that ’ s definitely not the cooling fan relay out of engine! Working if not check fuse fine and blowers work fine thermostatic ( or thermo ),! No noise when engine is off and fan for heat/ac is turned on the. Adding coolant to reach the temperature sensor is bad listening for the fanâs sound work...