Fuses 26 and 22 are both in the in-cabin fuse box. Lose connection. I noticed while diagnosing my warm AC (at idle) problem that the radiator fan is not coming on. Radiator Cooling Fan Clutch 52028944AB For 1999-2008 Dodge Ram Jeep Grand Cherokee Liberty 3. There is a temperature sensor that controls the fan, trace the wiring back from the fan, sometimes the sensor screws into the bottom radiator tank. I will check and make sure the AC is not on or the defrost. The radiator coolant is almost always 85C to 88C. This sensor is located passenger side of the radiator just above the a/c canister or what ever that thing is called. For the last few years I've been wondering if my fan had seized or was otherwise not working, as I never heard it come on. Today i tunred the car on and noticed that the radiator fan is not spininng. cooling fan not working. The best part is, our Toyota RAV4 Radiator Fan Switch products start from as little as $20. Honda: Why Won't My Radiator Fan Work? This article will give you some step-by-step solutions on how to repair your radiator. 2006 cobalt LS engine cooling fan doesn't turn on (2006 Chevrolet Cobalt) engine cooling fan does not turn on and the coolant temperature goes up to 250 and I've to shut it down. A radiator fan exchanges heat in the engine. Verified it was bad by bypassing relay and it would not come on. Check if the cooling fan switch is working properly, and that there is no sign of wear or faultiness. leave the valve open until u see water then close it. Good luck, Tommy. the fuse and relay are both good. Radiator fans do not turn on Dodge Grand Caravan or dodge caravan. If the fan switch is in the radiator, there will never be any hot water in there, so the fan will not come on as it's not sensing hot water. - The vehicle speed is less than 38 MPH. If your computer's fan isn't working, the hot air may have nowhere to go. DIAGNOSING A NON WORKING RADIATOR FAN,TESTING FAN SWITCH W/ A SODA CAN, WATER & FIRE HONDA CIVIC - Duration: 25:28. - radiator fan resistor assembly - which is secured to the top of the fan shroud - cyclinder head temperature (CHT) sensor. If you own a Dodge Caravan or Chrysler T&C and you have a P0480 Radiator Fan doesn’t work, Chrysler has issued a TSB (#18-004-07)containing the fix for an inoperative cooling fan on 2005-06 Caravans and Town & Country vans with the 3. hey man im not no certified kia mechanic but I have a 2006 kia Sedona and it was doing the same thing and I found out the ground wire from the relay, between the battery and the radiator , was broken so check the wire coming from that relay should be a single 8-10 gauge wire and it should work once you fix it. It's kind of hard to check that by one's self. I noticed that my fan is not coming on to cool it down. But not all “cooling sheets” do the job well. In the past, on other machines, I've been able to test the thermo switch by putting in it hot 2007 trx 450r cooling fan not working - Honda TRX Forum. Free Same Day Store Pickup. Again drove my GF home (3 miles away) and the car was throwing hot air with the heater on and after about 5 minutes it was just cold air. Older cars have glass, cylinder-shaped fuses with stainless steel on the ends and glass in the middle. Appearance, Screw Alignments and Pin Connectors. It is what sends the signal for the fan. The fan may work but it only runs at low speed, which may not be fast enough to prevent overheating. leave the valve open until u see water then close it. One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. Hi all , recently bought a mk4 Polo off an old lady , everything is sweet on it 42k on clock full VW history , tidy body work , but here is the problem , i bought it and the Radiator fan Was working. Fan modifications: It has been suggested that other models of BMW fans can be substituted to reduce the noise and load of the fan. The auxiliary fan is attached to the radiator upper crossmember behind the radiator. net - Car Forums, Automotive News and Community. I would like some assistance with a problem I am having that I could not find anything similar on the forum. A radiator fan exchanges heat in the engine. That fan I believe is the radiator cooling fan. I disconnected the coolant temperature sending unit/sensor and the fan turned on. To get help applying for cooling assistance, contact Community Options at 800-823-2417 ext. You may have to register before you can post: click the register link above to proceed. The shroud guarantees that air is pulled through the complete core, resulting in optimum performance. Unless you are sitting in a traffic jam for say 15 minutes it won't get hot enough. Checked the main and sub fuses, they look good but can't understand why fans aren't working? Is this the cau. Achieve liquid-cooling's frigid CPU temperatures for just $65 with this amazing Corsair H100x deal PC fans is just fine. I did order a new thermostat when I got the ECT sensor, but didn't change out the thermostat. I called my mechanic and he came out and confirmed that the fan relay was getting voltage but the fans weren't on so we decided the fan motors were bad. After I traced out, I found out that my cooling fan is not working properly. If not, you have a problem. Switch the wires to the opposite terminals. If the fuse is blown. The other day we left the house and the a/c was on but blowing warm for about 5 minutes then just started blowing cold. 2l 96' cavalier, the fan for the radiator will not turn on. In normal driving the airflow through the radiator is adequate to keep it cool. [not sure on your model] it could be faulty or there is usually a separate fuse for the fan. Without it, the engine can reach dangerous temperatures and damage engine components. The Mercedes Radiator Fan improves air circulation in the radiator so that the cooling system is successfully cooled. 3 opel corsa lite, my fan doesnt kick in, not even at 100 degrees but if I pull the plug out of the sensor on the right side of the top the fan kicks in so I replaced that sensor but still the problem remains, what should I do?. Air or moisture contamination -- For the refrigerant inside the system to do its job. Lower the temperature with this switch. Radiator caps are cheap, so replace it if you think it could be the problem. I've also been told and in fact it was pointed out to me that many a Boxster that has some front end work by a shop that doesn't know what it is doing will have the radiator wiring mis-routed and the resistor not (re)installed properly. i tried replacing the relay and still nothing. Temporary fix just to get over the mtns was to unplug the cable, Which when unplugged will keep the engine fan running continuouslyGot to the top and plugged it back in and made it to a shop. Gettin power to the module. The installation is specific to a Jeep. If the fan does operate, the vehicle must be taken into a professional service center for testing on the PCM, which controls the cooling fan relays. Checked the fuse #15 in the box, looks OK. If the fan resistor burns out, or if the low fan speed circuit fails for other reasons, the fan will continue to cycle on the high setting to cool the engine, but the coolant (and engine) temperature will run about 10-15 degrees C high. Cooling Fan Operation On Late Model 944s. hi all, can anyone tell me what temperature the radiator fan on my focus 2001 1. If the cooling fan motors burn out or fail, the cooling fans will be disabled. Heater speed control went out and would not work on setting 1 At the same time. If I turn on my A/C the fans will run then. 8t fwd cvt The fans are not coming on with the ac, or ever. For example, if you're using your computer to render video,. The cooling fan operation on late model 944s is similar to that of early 944s. Overheating, radiator fan not working, and exclamation mark sign on HUD. If your computer's fan isn't working, the hot air may have nowhere to go. Fans typically don't run while driving. Good luck, Tommy. I suspect my cooling fan is not operating, does anyone have a wire diagram for the HPX? Mine is an 05, also anyone know what each fuse under the passenger seat is for there is no diagram any place that tells. I disconnected the coolant temperature sending unit/sensor and the fan turned on. Fuses 22 and 26 are not marked as radiator fan fuses in my Owners Manual; they are AC and Power Window respectively. Free Same Day Store Pickup. It is what sends the signal for the fan. Radiator Fan Not Working - posted in Technical Section For MK1 & MK2: Hi all. Thu 2 May 2013 19:30. The electric fan on my 94 Thunderbird's radiator will not come on. If you can drive in town, and it not overheatas in blowing steam out, then it is NOT overheating. Opened it up and it is coming off of the radiator. When this condition arose, it seemed to me that the AC system was controlling the radiator fan speed, which it indeed was, just NOT ELECTRICALLY (boy, is this guy Lucas a nerd, or what. Overheating is the biggest sign of cooling system problems. 5-2 minutes it turns a few times and then stops. They ran for about a minute and then shut off again. Fuses 26 and 22 are both in the in-cabin fuse box. If your car has no heat, not only would the inside of your car feel like an ice box, but a broken heater can prevent your defroster from blowing warm air to your windshield to eliminate ice and fog, which can pose a hazard while driving. Also please check out the statistics and reliability analysis of Ford Edge based on all problems reported for the Edge. Inoperative condenser cooling fan. located on the engine near the spark plugs. My car's fan's not working and the temperature gauge become crazy. If you can drive in town, and it not overheatas in blowing steam out, then it is NOT overheating. Need to replace your Dodge Grand Caravan Radiator Fan Assembly? Then shop at 1A Auto for a Dodge Grand Caravan automotive Electric Radiator Fan replacement, at a great price! 1A Auto has many aftermarket Radiator Cooling Fans for your Dodge Grand Caravan and ground shipping is always free!. All of your symptoms point to an electric cooling fan that isn't working. I was not aware that the fan was not working and thought that the pipe burst was the root cause of heating. There is a temperature sensor that controls the fan, trace the wiring back from the fan, sometimes the sensor screws into the bottom radiator tank. I can't remember the fan on temperature but it's near 100º. Then I went and got a new Cooling Fan Switch and installed it. It solved my radiator cooling fan problem. In fact, in some vehicles, the fan may run up to five minutes and sometimes longer. My car started overheating and have determined that the cooling fans are not coming on at all. Broke Fan Clutch. It has dawned on me that as long as Ive had my car (4 months/ 7,000 miles) I havent heard the fan kick in. usually i cannot get them. 5)If only one fan comes on swap the fan relays and see if the running fan also swapped if so you have a bad fan relay. At least there is no cold air comming out of the fans. I guess the fans might have had enough because one of them quit. Trail Tech Fan Kits are the essential upgrade for any serious trail rider. This is a discussion on Cooling/Radiator Fan within the General Automotive Discussion forums, part of the Dodge Dart Forum - Dodge Dart Discussion category; I have only owned my dart 3 months and have had no issues. Test 2: Check for battery power on the large red/yellow wire. I have also had it come on with cars while sitting at an idle when the engine starts to heat up. Thanks everyone for the help. The extra coolant tank does not seem to be emptying as well. (Now being spring, with temperatures above 35 F. Golf and Audi A3 TDI similar. Low speed cooling fan not working and water temp getting too hot and temp gauge reading about 90 degrees and then going rapidly in red / hot area and dash flashing “STOP”. Temporary fix just to get over the mtns was to unplug the cable, Which when unplugged will keep the engine fan running continuouslyGot to the top and plugged it back in and made it to a shop. i'm really quite fed up with PML, not that i dont like their service, but i know the car and i know something is wrong but they keep saying "nothing is wrong" or "computer diagnostic is ok". Radiator Fan Not Working - posted in Technical Section For MK1 & MK2: Hi all. A faulty temp sensor usually causes the temp gauge to drop all the way down. So I started looking into why it was doing this. The fan may not run after the engine is shut off, and will not come on to cool the condenser. I checked the resistance between the two large wires (brown and red) on the plug for each fan and its open. Honda: Why Won't My Radiator Fan Work? This article will give you some step-by-step solutions on how to repair your radiator. There are two fans. im new to this website. exceeds 220 degrees and a\c refrigerant pressure exceeds 265 psi. You can check cooling fan operation by turning on your air-conditioning and listening for the fan to activate. 05 Silverado 1500 - Dual cooling fans run continuously after the ignition is turned off. After confirming that the radiator fan relay is getting juice (TEST 1), the next step is to jumper circuits 1 and 2 with a jumper wire to see if the radiator fan motor comes on. We found out it was the 3 prong connector to the fan. The top diagram is for a 2003 GT 4. The fan speed on the side mounted units is controlled by temperature sensors in the vicinity of the CAC and the radiator and dash AC condenser. Opened it up and it is coming off of the radiator. Hi there, After a couple of days of riding my new CBR 150r Fi, I felt the hot airflow towards my legs. The cooling. Fans typically don't run while driving. So far it has not caused problems and has gone away with an engine on/off cycle but I don't want to get stuck driving XX miles with the fan at max because. Fuses 26 and 22 are both in the in-cabin fuse box. I disconnected the coolant temperature sending unit/sensor and the fan turned on. I replaced this and regained fan operation, but shortly afterward found that the cooling fans would stay on after the engine was shut down and had to be unplugged. The cooling fan relay is activated and the fan operates. The temperature gauge in the car will start to get hot and no fan. 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 motor. hi all, can anyone tell me what temperature the radiator fan on my focus 2001 1. Radiator Fan Not Working Anyone ever have a similar issue? After installing a pulley (removing the fan in the process and reinstalling) the Rad fan refuses to come on and I get the engine overheat warning. Okay , I just talked to one of the Technicians at the HOnda dealership that i work at, he was explaining in the 8th gens there has been alot of problems with the relay sticking open on the cooling fan, but he also said that it could very well be the sensor, Also if you did not hear your fan running when the battery was killed there is also a chance that the A/C compressor clutch is also. i'm really quite fed up with PML, not that i dont like their service, but i know the car and i know something is wrong but they keep saying "nothing is wrong" or "computer diagnostic is ok". you will burn up the compressor. Bypassing The Radiator Fan Relay. Looks like your 350Z cooling fans have burned out and you'll need a replacement. radiator fan not working Okay so i replaced my radiator and now my fans dont turn on. This is a good test to determine that the relay and fan motor are working. Inoperative condenser cooling fan. The cooling fan in the engine compartment should turn on to pull air through the radiator and A/C condenser. The first thing to check is the fan motor. Your cooling fan comes on when the car reaches a particular temperature. Find polo radiator fan ads in the South Africa Replacement Parts section | Search Gumtree free online classified ads for polo radiator fan and more in South Africa Replacement Parts. I was charged over 900. Cooling Fan Control Kit. I replaced this and regained fan operation, but shortly afterward found that the cooling fans would stay on after the engine was shut down and had to be unplugged. This product will modify the Factory Cooling Fan Control System by altering the temperatures at which the factory cooling fans cycle on and off. the reason sometimes it does not work is because the fan itself is no longer working or have a bad resistor. Air or moisture contamination -- For the refrigerant inside the system to do its job. Apparently there is a DIODE in series with the motor. Re: Radiator fan not working! when i did mine i had engine running. 2006 2WD Automatic. The viscus fan should be on all the time, Unless your self or previous owner removed it or if the viscus coupling has broken down and not offering any air movement. Cooling fans do not come on. If you're sure your thermostat is working (either by carefully feeling the coolant hose coming out of it to confirm it is hot or going so. If the relay fails, it will be unable to supply power to the fans, and as a result they will not operate. 1, radiator cooling fan, engine or fan main relay and necessary fuses. Any ideas?. Radiator cooling fan not working Hey all, i'm actually working on a crossfire, same setup as a slk320. Most vehicles today have one multi-speed fan that blows air through a series of ducts and vents based on the driver's selection in their climate control system. WTF my axle just went yesturday late for work again. But you slow down and so does that air, which is why they added an electric fan to help out. com FREE DELIVERY possible on eligible did not work, was doa. I have changed the stat and temp sensor and it still boils over, I crossed the terminals on the fan lead and it spins up,. 6 LX 52 plate (2003) hasn't worked for a while now. When the A/C is on and the coolant temperature reaches 85°C (185°F), the low speed cooling fan will be turned on at vehicle speeds less than 56 kPh (35 mph). Feb 15, 2015 could be a number of things, fan itself, bad relay, bad coolant temp sensor, wiring , or even pcm. and make sure the fan is spinning run the ac on high and wait ( do this while the car is running of course ). In that case, the AC trick should work. What the hell is he talking about!). 00 for the fans and told they were not covered since I had put aftermarket fans on the car. It's common for the cooling fans to never run during the winter as the radiator is well oversized for the 1. With the best performance on the market we hope you're going to love your Radfan, but if you don't, every Radfan comes with a 30 day money back 'Warmer Home Guarantee' and an 18 month manufacturer warranty. 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 motor. My old ones were so rusted I had to cut the wires off and put new connectors on them. With an electrically operated fan, the fan (or fans) are driven by virtue of a small electric motor. Air or moisture contamination -- For the refrigerant inside the system to do its job. ) A4's and A5's (I suspect others, too) have bad problems with radiator/condensor coolant fans not being operational. Radiator Cooling Fan Behavior. The inside of the lid to the fuse box will tell you which one it is. net - Car Forums, Automotive News and Community. If the cooling fan motors burn out or fail, the cooling fans will be disabled. (This test will not activate the A/C Condenser Fan. I had a similar situation awhile back going over Vale Summit / Eisenhower. Learn about some of the biggest reasons that causes car radiator fan problems which are easy to fix and you need not spend a fortune on them. I have also had it come on with cars while sitting at an idle when the engine starts to heat up. First thing to do is be very specific about the symptoms. Unplug the relay and just replace it. 8L new body style. Thats alot of work for something that I already did in 3 minutes. Air or moisture contamination -- For the refrigerant inside the system to do its job. There is one more thing left to check, the cooling fan relay. When this condition arose, it seemed to me that the AC system was controlling the radiator fan speed, which it indeed was, just NOT ELECTRICALLY (boy, is this guy Lucas a nerd, or what. According to the mechanic there's power to the motor, but it doesn't run. When a BMW E90 cooling fan fails, the fan will not activate or only activate at high speed. My car started overheating and have determined that the cooling fans are not coming on at all. Then not notice you have a problem until the second fan dies. I was told that the fan should turn on when the AC is on and MAX AC is selected. Ford's $650), had it installed and everything was back to normal. I got this 450r and the fan isn't working. As I have read (not sure if it is fact), if you pull the connection off the ECT, the fans should stop working since it opens the circuit and there is no call to the PCM to start the fans. radiator fan not working Okay so i replaced my radiator and now my fans dont turn on. With the large fan not working at all, this is causing my computer. hi all, can anyone tell me what temperature the radiator fan on my focus 2001 1. A/C will blow. By a quick process of elimination, you can solve the problem and get back on the road without fear of the engine overheating. Inoperative condenser cooling fan. My car's fan's not working and the temperature gauge become crazy. Cooling fan then cuts in at fast speed. I've got a questions about normal radiator cooling fan operation. So I went to the Temp Sensor, thinking it has to be the problem. I jump started it, took it out for a drive, and now the cooling fan won't turn off. Passed my driving test today, been learning in my C for a while no real faults besides issues I have fixed, few sensors etc. I have noticed that my radiator fan is not working. I tested the fans and they do work when jumped with 12v and they will come on intermittently if i put the car in the on position , turn AC on LO setting, with the recirculation on. That is where the current needs to flow. In fact, in some vehicles, the fan may run up to five minutes and sometimes longer. I was charged over 900. Cooling fan not working and car boiling over due to very badly corroded wires at relays and wires broken off. there are some good youtube vids on how. I have disconnected the wiring harness to it & wired the fan directly to the battery & the fan runs. Engine overheating and the cooling fans are not working. When you're traveling at high speed, there is enough air passing through the radiator to keep everything cool on its own. I discovered that the radiator fan wasn't working. Today i noticed my car running warm while idling. Come to find out my radiator fans are not coming on after temperature is high enough. Bypassing The Radiator Fan Switch. A faulty temp sensor usually causes the temp gauge to drop all the way down. 2l 96' cavalier, the fan for the radiator will not turn on. Engine overheats when idling. Now, mine got hot because the fan went out, and it didnt take long for it to overheat. The GS400/EC Sapphire Plus The big story. the reason sometimes it does not work is because the fan itself is no longer working or have a bad resistor. Look alike the module again but why. If the fan motor, motor relay or wiring is defective, the fan may not be working. Especially during the summer, the condenser fan is hard at work pulling heat out of the engine cooling system and air conditioning system, but if something isn't working right, you could be left with abnormal noises, engine surging or misfiring, overheating engine and transmission, or inefficient air conditioning. That is located between the radiator and front panel and usually means the bumper has to come off to replace it easily. No, you don't need a fan on your radiator if you drive at speed and your cooling system is working properly. Driver's side is the "radiator fan" and the passenger side is the "condenser fan. If you can drive in town, and it not overheatas in blowing steam out, then it is NOT overheating. So I started looking into why it was doing this. If you did not then there is the possibility that you have a bad fuse #3 and #57 for the cooling fan and #58 for the condenser fan. I also bought a new coolant temperature sensor in hopes this would fix the fan not kicking on. Gettin power to the module. Find polo radiator fan ads in the South Africa Replacement Parts section | Search Gumtree free online classified ads for polo radiator fan and more in South Africa Replacement Parts. You know there's cold air happening somewhere inside that box, but with the AC fan not spinning, the air has no way of getting out of the box to cool you off. 0L Escape and Tribute are 3-wire type fan motors and testing them requires a slightly different but significant approach not covered by this article (yet). Do you boil over at drive-throughs? Is a/c not working? Cooling fan(s) are not commanded on by engine computer until engine temp hits 227 degf. Lots of traffic here, so I need my radiator fan. its a 91 ls400. For a few months now I have been losing a little bit of water I can see it seeping from the connectors eg orange build up - this equates to about 100ml every 2000 miles but. Any ideas?. Or the silicon grease can start to leak causing the fan clutch not to lock up allowing the fan to "freewheel", failing to pull air through the radiator when needed. - 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). I ordered a brand new Ford Mastercraft replacement from Amazon ($265 vs. I did some poking around and discovered that my cooling fans do not turn on. A clutch fan can fail one of two ways, it can either lock the fan to the clutch causing poor mileage while producing a whirring sound, like an airplane is taking off next to you.