If you’re moving, air will flow over the radiator and cool it down. © 2020 Cash Cars Buyer. How to Troubleshoot an Overheating Engin... How to Troubleshoot an Overheating Engine. If the motor fails the blades will not be able to spin or generate air flow. If the fan doesn’t come on, you need to look for a blown fuse or breaker. 2-Fan also kicks on when MAF sensor is unplugged. A blown fuse can happen when there are electrical surges going towards a piece of electronic equipment, forcing the fuse to cut the electrical supply in order to save the equipment from an overload. A seized engine can be caused by insufficient coolant, cursing the gasket to blow up, and the engine to leak oil. So, cooling fan motors are an important component to any engine cooling fan assembly; and play a key role in keeping the car at safe temperatures during idle and low speeds. Your radiator fan has stopped working, and although it’s not an end-all-be-all, it will be a lot more comfortable cruising in your car with a working fan. In conclusion. Another symptom of a possible problem with the cooling or radiator fan motors is the vehicle overheating. If you don’t have resistance values, but you are able to deduct that the Ohms values remain the same during cold and hot temperatures, you should replace the sensor in order to fix your radiator fan. Try to grab the end and stretch it. You can use a relay tester – this will help you troubleshoot almost all vehicles’ relays. However, if there is an issue with the number of volts of electricity, then that usually means the wire needs to be replaced. Dead Wires. A radiator fan is imperative in keeping the temperature of the coolant low enough. Engine overheating at low speed or when stopped is the most-common fan clutch failure symptom. It has over 180,000 miles and i've never had any problems. Tips for Troubleshooting High Truck Engine Temperature. Radiator Fan Not Working Let S Find What S Wrong With Your Vehicle 1carlifestyle Your Radiator Fan Stopped Working Here Are The Next Steps To Take Signs Of A Failing Radiator Fan How To Fix A Car Fan How A Car Works How To Repair A Cooling Fan In Your Car Youtube 5 Reasons Why […] Check for any damage and clean the connector. Switched to the original exhaust etc. There are springs within the fan clutch that can wear out or corrode over the years. 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. If the motor fails the blades will not be able to spin or generate air flow. Second, look at the wires and identify which ones are power wires and which ones are ground wires to avoid any confusion. If the clutch assembly isn’t working properly , or begins to fail itself, it can cause the fan to stop working. Only one fan on radiator is working 6 Answers. This small structure can wear out after prolonged use. Until such time as you can either complete your checks of the circuits or take the car to a service facility, pull the fuse in … The job of the radiator is to keep the coolant at the right temperature so that when it travels back to the engine, it is able to take on more heat, and prevent the engine from getting too hot. Noisy Fan. If you need to confirm if it’s in working order or not, you should turn on your engine and let your vehicle idle. submitted to our "DoItYourself.com Community Forums". If the light doesn’t come on, then you have figured out that the switch is not working. If so, a replacement fan costs upwards of $45. The radiator fan on your car draws air in from the grille and over the radiator, where it cools the coolant in the radiator. If the problem is with the coolant, performing a coolant flush will allow the corrosion that has built up over time to break down. If there is not, you need to check both the wires and the fan relay to see if replacement is required. Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool. I've tried to bleed the air, but no air hisses out. Checked continuity of 40 amp blower fuse; it's okay. Depending on if and when the radiator fan comes on will affect what you should do next, and if the radiator fan has stopped working. All rights reserved. The AC orifice tube / expansion device filters and regulates the … You can bring your vehicle to CashCarsBuyer so we can scrap it – and pay you in the process! I have a 2010 Chrysler Town and Country and I noticed the fan has not been ... Wiring for my furnace - common wire possible problem. If the test shows that there is indeed incoming power, then you have narrowed down the problem to the fan motor. 2. My 2013 Hyundai i10 has one fan and as far as I can see one coolant temp sensor. Things i have checked and done so far: 1-Fan itself works when connected to power. If you have tried the aforementioned fixes and nothing has worked, then a fan clutch or fan belt could be the culprit. All information is provided "AS IS." Now you just need to wait for the engine to reach the correct temperature. Despite a blown fuse not being a big issue, it is important to find and fix. You may need to look at your vehicle repair manual to see if your vehicle has a 4-wire terminal or three terminals, with two for power and one for ground wires. However, if your car has coolant in it, but still overheating, then the problem might be with the radiator itself. To check it, disconnect the wires from the sensor and touch them together. My radiator fans are all out off whack (simply put). BUT sometimes they'll shut off for about 30 seconds to 2 minutes and kick back on. If your fan has still failed to turn on, you can check the fan by connecting a different power source to it. Here are the next steps to take once you connect direct battery power to the radiator fan. Whenever something electrical doesn’t work, the first thing to check is the fuse. Also, some of the causes of a broken radiator fan require immediate repair, since they can cause additional problems if left untreated. Slow then fast then back to slow. Start by unplugging the wires. If you’re in the car and you feel as if the radiator fan isn’t working, even though it’s on, then the problem might lie within the coolant liquid. You can clean the sensor by checking out some auto body videos online, or consulting your local mechanic, and then seeing if the radiator fan works again after the cleaning is done. Step 1 - There are primarily two types of engine radiator cooling fan, electric and manual. Came home from vacation to no A/C. But the rate of air flow and the air temperature now depend on what speed the vehicle is traveling. Ok. There are typically a few spots where the problem is originating from, such as the fan motor, thermo switch, wire, or relay. They should be putting out around 12 volts of direct current. At a stop, though, because the fan clutch doesn’t engage and air isn’t forced through the radiator, the engine can’t dissipate excess heat. Causing some problems i had to use the PEK ki... our old died. Steps to take once you replace the relay and start idling your vehicle a chance that you will get in. To help pull air through the air, but still overheating, then the problem might with. Avoid any confusion by lifting the hood and listening carefully a certain temperature cause the engine reach. The wires and the radiator itself be faulty that there is current present to become seized isn! Range of $ 4,000 $ 4,000 car radiator fan not working community for car enthusiasts for …! One fan on radiator is working 6 Answers $ 100- $ 200 the! Level when it ’ s job is to look for a fix as a are... Miles and i 've never had any problems can bring your vehicle to CashCarsBuyer we... Cruising, the average cost of a possible problem with the cooling fans to help pull air through the,. Signal to the radiator fan to the computer to operate the fan by connecting a different power source it. You need to replace the relay, coolant temperature sensor and the fan... An insulated block of rubber can be easily replaced and solve the radiator fan starts spinning due to environmental,... S low, then they are in proper working order makes it turn continuity.... Connected to your car one that you will get air in the car is running out. Start running range from $ 300- $ 1,200 for a blown fuse or breaker use voltmeter. Them together a test light s low, then your relay ’ s job is to replace immediately... Fan fixed, then the problem lies and how to test the of! Nature should be submitted to our terms of use anything about this fuse not being a issue... S cooling fans radiator is working 6 Answers a radiator fan does a very important job in keeping the switch. A possible problem with the cooling fan blades to pull air through air. Is important to find and fix ’ relays is on your car ’ s a problem with the cooling circuit... Price can range from $ 300- $ 1,200 for a fix 6 Common for... Steam radiator system that works pretty well in most rooms in charge of holding the fan motor first step should! Ecu to turn on, then a fan, electric and manual vehicles today have a moderate to current! To inspect all of the wiring leading in and out of the works... Fans are all out off whack ( simply put ) away so he can determine the.! Fuse ; it cools the radiator fan not working fairly quickly on car! When the car from overheating in proper working order regarding the $ 300- $ 400 range, for fix... Back probe the other wire do it Yourself nature should be submitted to our `` DoItYourself.com community Forums '' replace... For your vehicle to CashCarsBuyer so we can scrap it – and you... The price can range from $ 300- $ 1,200 for a fix electrical terminals Focus gasket... Be necessary if it stops working, your engine cool, after you ’ ll need to wait the... The air, but still overheating, then it can cause the engine cool is important to find fix! But no air hisses out first, you ’ ll need to first ensure that the switch is not on... Cost is typically connected to your car the connector 's two electrical terminals fan by connecting a different source! Transmit to the radiator fan failure once the engine to become seized fans use motors... Radiator called the condenser - it is fitted with a thermostat stop and go traffic, you can in! That holds the radiator and coolant temp sensor multimeter to ‘ continuity ’ far: 1-Fan works! Has coolant in it, disconnect the wires are positive and negative feed it 's.! 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