This happens from time to time, mostly after short trips < 5km and also on cold days <0 deg C. I then use to restart the engine a couple of times after parking before the fan finally stops. These went on for a couple of minutes. Most cooling fans use electric motors that have a moderate to high current draw, and as a result are commonly controlled using relays. The temp gauge is right in the middle. It sounded like the fan trying to cool down or something, also the exhaust was boiling hot too. When I was having cold start problems with engine light alert, the fan would come on at the end of every ride. The engine revs drop noticeably when it cycles on. It hasnt stopped and it has been going on for at least 3 hours. Any help much appreciated. Ok so the car makes this wierd humming noise after i turn off the engine and it keeps on making the noise. It starts as soon as I start up the car, whether it's 40 degrees out or 75. The AC is OFF. I didn't get a chance to go back to the dealers to ask about this, but it really did sound like the car was going to explode. After reading this thread this afternoon, I decided to keep an eye (an ear, actually) on the fan after shutting down the engine. The fan clutch is the assembly that holds the radiator fan to the engine and makes it turn. AND JUST SO YOU KNOW, THIS IS NOT MY CAR IT IS MY DADS AND BECUASE HES NOT HERE RIGHT NOW I HAVE TO FIGURE OUT HOW TO FIX IT. 1 0. champer. Fan stays on all the time and goes off 10mins after car is turned off 18 Answers. Try the cooling fan switch, it looks like a large brass nut with wires on it on the thermostat housing or radiator. #2. It’s a function of the fan being controlled by a thermostat. It’s normal for some vehicles to have a fan run for a few minutes after the car is shut off, generally to keep the engine cool. Immediately upon starting the car, the radiator fan begins to run full speed, even though the car is stone cold. When I turn on the ac the fan works and keeps the car cool. Hi, About a month ago I had my car serviced and MOT'd. There could even be a puddle of liquid under the front of the vehicle. Fan keeps running after car is shut off 8 Answers. Volkswagen Golf - Golf Mk7 Cooling Fan - problem?. These fans are designed to only cycle on and off when needed, and running continuously will shorten its lifespan. Additionally, many vehicles have multi-speed fans requiring as many as three fan speed relays for low, medium and high. Could be a bad thermostat. Thanks for answering. Maybe the fan is malfunctioning. Kind regards John ted1234, 28 Nov 2012 #1. When i drove it away I noticed the fan came on, stayed on for the whole journey home, then wouldn't go off for 5-10 mins after I got back. Fan turns off as soon as the key is inserted. If they don't it could be the relay, fuse or broken wire. It will heat up a little quicker if you leave the fan off for the first few minutes the car is on so you don't cool the water down before it gets hot. Or possibly an unhealthy amount of air in the coolant system. If it's been doing this in colder weather or for longer than 10 minutes or so, I'd have it looked at. Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool. The last 2 days about an hour after I arrive home from a 40 min back road commute, I’ve noticed that the blower on my 2000 Volvo S80(heater/AC) fan is running. Fan Clutch. The RPMs increase and the fan runs really hard on a regen. The cooling fan runs after the Engine is off. The fan runs as soon is the engine is switched on which it never did before. When I put the key in and move it to the first position and then off, it turns the blower off. This is the third time it happened in the last year and half... Do I need to replace or repair anything? As did the author of this letter, you want your fan back. He has gone on hoilday for 2 and a 1/2 weeks anI have a problem with my car. I have only noticed it once and this was after a vgery short run of less than 10 mins from cold. Thank you. The fan shuts off automatically after about 5 minutes. 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. However, if the fan is running for an extended period, the fan itself can become damaged due to overuse. SOURCE: engine cooling fan. I replaced water pump and radiator and coolant temp sensor. The fan continues to run at its maxiumum speed, regardless of the engine temperature. There was very little coolant in the reservoir, and I added until it came to the minimum line on the reservoir. Electric radiator-fan motors are switched on either by the ignition switch - and run while the engine is working - or by a thermostatic switch. If everything else seems to be fine, the fan clutch is the most likely cause of radiator fan failure. It is ok for the engine cooling fan to keep running for a few minutes after turning off the car. I know I need to take it to the shop, I know nothing about repairing a car but I just kind of wanted a heads up so I know what to expect and they dont try to talk me into a new motor!!! However, a broken fan could be confused with a fan that simply has not kicked in yet. Is this something I could correct myself ? I collected my new A3 1.6 TDI yesterday (may post pics after this snow has cleared) and I noticed after driving 40 mins yesterday to a colleagues house after I turned the engine off and got out the car there was loud fan noises coming from the engine. … Open the hood and do a visual inspection. The radiator and condenser are BRAND NEW. This is one reason why information on when a radiator fan is suppose to start can be beneficial to vehicle owners. Just bought Audi A1 First week PDF light came on car juddering no power fan coming on all the time and stop/start not working. Re the fan coming on after a short distance.... there will be hot water in the engine block and top of radiator, (and consequently the fan temp sensor, even before the whole engine is up to temperature. Or do I need to take the car to a mechanic for a thorough checkup? The car itself drives well with no issues and she is happy with it but I noticed the other evening that, after shutting the engine down, the cooling fan is on for what seems like a long time. The engine was cold when I added the coolant. My 2013 Hyundai i10 has one fan and as far as I can see one coolant temp sensor. Then you notice the engine cooling fan is still running even though the car is turned off. 5. A radiator fan has an important role of keeping a vehicle's engine cool. Spin the fan … To solve the starting problem I added ethanol-free gasoline; it solved that problem, and the fan no longer came on. Your car fan will run for a few minutes after you turn off the car … Can you tell me whats wrong and what should i do to stop it? I turned off the car after about 5 minutes and the fan … There probably would be nothing wrong with letting the engine cool “by itself” (which is what happens if the design removes power from the fan when the ignition is off), but since the normal operation of most cars is to run the fan when the water temperature exceeds a set threshold, it does so even with the engine off. The coolant temperature seems to run normally at the middle of the temperature gauge. Thermostatically controlled motors do not work the fan until the engine coolant rises above normal operating temperature, and then switch off when it has cooled down again. The fan is powered by a motor and derives power … This is a risky time to stop pushing coolant around, as hot spots can occur in the rad, even if the engine is relatively cool. Electrical Short problem. You park your car, turn off the ignition and start walking away. Check out what he's been through, and why he should have asked an expert from the start. And, the fan stays on a long time. A lack of heat can be a symptom of a much larger problem. There are springs within the fan clutch that can wear out or corrode over the years. In my situation they run at about 1/2 speed for about 3-6 minutes after I shut off the engine. When i shut my car off the cooling fan continues to run. My Mrs has recently bought a Mk7 Golf 1.6 TDi. Dropped them off at a house, when I turned off engine I noticed a loud noise coming form the front of the car. Posted / edited by AnonymousUser on : 13-04-2020. That ticking sound is the result of two combined phenomena: thermal expansion and static friction. I ask because the fan staying on after you turn off the car is normal behavior. Look at the fan and make sure there is no obstruction in front of the radiator blocking airflow. I started the car and almost immediately the fan kicked on. It keeps coolant circulating for a few minutes to cool the engine. You could soon be facing failing parts or even a blown engine. My '02's radiator fan is constantly cycling on and off, usually for very short periods (10 seconds or less). I've changed relay on car and still no change but it hasn't been coming on for a week or 2 now I've heard it does it after you do so many miles in the car but I don't no next time it does it I'm ringing ford about it, I bought a new car cause I was sick to death of my other falling pieces on me still no luck I have a 1999 Acura TL and when I drive even for a short distance, my fan stays on after I shut my car off. Fan failure is one of the most common causes of car heater failure. Fan stays on high all the time even when car has been turned off what could be the problem gives off after about ten minets Hello all. The engine seems to warm up normally and never gets over halfway on the gauge. It's so weird compared to my ALH. So, it might be a sign that something is wrong. Answers : Repair Help & Product Troubleshooting for Cars & Trucks Tips for a great answer: - Provide details, support with references or personal experience . Ford fiesta x reg 1.3 endurance engine. To test, pull off the wires and connect together, turn on ignition and the fans should cut in. Hence the role of heater fan is crucial in the entire assembly, as without it working in full blast, you may find car heater blowing cold air inside. The cooling fan relay is the relay that controls the engine’s cooling fans. There are many reasons your car's heater isn't working. Smoke coming from radiator fan after short journey. Perhaps your temperature gauge is running below normal. Sponsored Links; Burnerman. The fan may be coming on because the engine is overheating. So the smell would be similarly with the burning plastic smell in car. Also, the coolant will not circulate (meaning no heat source for the heater) until the engine is up to a certain temperature. The fans NEVER run unless the AC is … Joined: 7 Feb 2008 Messages: A major cause of burning smell from car is the electrical short circuit in the engine.The plastic coating on wires, fuses, or other connections may produce the smell. This problem existed before and after the radiator was replaced. The "burning smell" has worried me, but after reading this article I … Funny thing is, if I get back into the car and turn in on, the fans go quiet. Recently I have noticed the engine fan (mounted at front of the car) continues to run for several minutes after I shut the car off. If try couple times turn on and turn off the Engine, the fan also turn off. Garage did test run said everything was ok!! 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