See all problems of the 2012 Chevrolet Cruze . How does a car’s cooling fan work? Radiator fan stays on after car is off 8 Answers. The Rad fan (cooling fan?) Hi all, Just back from the shopping and the radiator fan didn't stop. Also, the fan will do this even after short 5-10 minute trips. So, the coolant might not be hot enough to call the cooling fan to turn on. Mini Cooper fans are meant to boost the circulation of air around the radiator to ensure the engine cooling system is well cooled. Discussion Starter • #1 • Jul 22, 2015. Noticed recently that both radiator fans have been coming on more often and/or not turning off… When you're driving, air flows through the car radiator … Toyoto Camry 2013 Radiator fan stays on after car is off. 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 cooling fan just stays on. After turning car off cooling fan stayed on several minutes, which it had never done before. S/V40 [Solved] Radiator Fan Turns on when I Turn Car Off! 99 cherokee xj 4.0 my fan turns on and off every 30seconds but my engine has not overheated yet. Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool. It's 28deg outside and I've only gently driven about 4kms. Dealer replaced valve cover, and intake manifold for $1100, out of warranty. The condenser fan (if it has a dedicated fan) or the radiator fan most always comes in (with AC on) when the compressor discharge pressure (or, alternatively, the liquid line one; look for where a sensor or a switch is located on the high pressure line) rises over an operative threshold. Why would your car heater not work Car radiator giving bubbles but they go away when you turn AC on or when radiator fan turns on? You can also drive the car a few miles, bring it back home, leave the A/C off, and leave the car running in the driveway. My car has 180502 miles. A coolant temperature between these temperatures will cause the cooling fans to be operated at a speed which is proportional to the engine coolant temperature.When the engine is running with the CHT above 100°C (212°F), if the ignition switch is turned to the OFF position the cooling fans will continue to … Failure of a non-moving part at such low mileage is clearly a defect. You can then reconnect the battery and it is fine. The weather lately hasn't been overly … For later models, it is located on the passenger's side by the glove box. Cooling Fan … engine stays at 195 but the temperature here is 5. 43 Posts . Fan shuts off … This module location is primarily for the early model Honda Accords (1990-1993). #bundysgarage #hondarepair … The fan runs continuously (longer than 1 hr) after removing the key on a cold engine. The fans will kick on with the AC and or when the car reaches a particular coolant temp. My radiator fans are all out off whack (simply put). If you leave the hood … It's only the larger primary engine cooling fan that keeps going for around 10 seconds after the engine is shut off, I havn't seen the the secondary turn at all, but I'm not sure if the engine is getting hot enough to engage it. There … I drove the car to the store less than a mile, it is running fine, heat is warm, no warning light of overheating. It is not constant on, it runs at high speed (full blast) for about 3 seconds and then off. He also said I could disconnect the negative battery cable for about 10 minutes to see if it will reset the fan… The radiator fan turns on at cold startup. When I turn my car off, the fan stays on for a few minutes before turning off. Checked the voltage on the coolant sensor harness with ignition switch on, there is no 5v or the green pin is not grounded. Also have the 10 A/T, not sure why it does this but doesn't seem like anything is wrong otherwise. Select Your Car Your Store SCA SMITHFIELD (CAIRNS) AU. When you turn off the car…the METAL the engine block is made of is still very hot. After replacing the battery, it started right away. Discussion Starter • #1 • Nov 16, 2012. So for a while after you turn it off the metal will be applying heat to the coolant…thus increasing the temp of the coolant. Electric radiator-fan motors are switched on either by the ignition switch - and run while the engine is working - or by a thermostatic switch. Here’s how to tell if your cooling fan isn’t working, what you should do about it and what the problem might be. Would a busted secondary fan cause an increase in current and cause the primary to keep … Turned my car off and the a/c fan kept running. If you disconnect the battery it will stop. I tried boosting it the other day (-40C weather), didn't turn over (tried it 4-5 times), so I replaced the battery. Hello all 2007 c230 so my radiator fan started to run on high after i turned the car off but only for about 5 MIN. 99.9% you have a bad cooling fan relay. In other cases, the switch will turn on and stay on well past the cooling temperature threshold, resulting in the fan running even when the engine is off. They run from the time i turn the truck on to the time I shut it off. CLICK & … IF you shut off your Honda Acura and the cooling fan keeps running? My Garage. won't stop on my 2010 LR2, even when I turn off the engine. The mini copper fans should speed up the process of cooling by driving fresh air into the radiator. Your car’s cooling fan, or radiator fan, plays an important job in keeping your engine cool. Select Your Car CONTACT FREE CLICK & COLLECT - Ready In 1 Hour. Hi, I have a 2007 GTI. When I shut the car off and start it up again, the Fan will run and then turn off again. 2006 Chevrolet Malibu Maxx SS FWD-Maintenance & Repair . As soon as I turn the ignition key both radiator fan start to spin even though the car is cold and not on. New Zealand. Most cooling fans use electric motors that have a moderate to high current draw, and as a result are commonly controlled using relays. If it stops working, your engine could overheat and be damaged. Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine. It's been running now for abart 7 minutes. When … Only 36,200 miles. I have owned the truck for a month and have already added a full jug of … I checked all the relays and fuses. In the latter case - low coolant - you are definitely damaging the engine. November 15 edited 8:28AM in Troubleshooting. Recently I noticed that after the car's been off for about 10-20 minutes, the radiator fan will start up and … The cooling fan relay is the relay that controls the engine’s cooling fans. To check that the fan … The AC will come on even if it's cold outside when you turn on the defrost. Have a 2004 WRX w/about 133,000 miles on it. When the temperature exceeds a specific value -- usually 215 degrees Fahrenheit -- the computer will turn the fan on. I am clueless where to go next. Start a new Chevrolet … That's why on cool days, with the car stationary, it can also not turn … If previous steps did not resolve the issue, this is most likely the cause. This (extraordinarily hot) summer I noticed for the first time that the radiator fan runs for 5-10 seconds after I turn the car off, even with the keys out of the ignition. The answer is simple; there is something wrong with the fan or the cooling … Max @Max Central Coast NSW. Open your hood and take a … The main problem is that, when I turn on the AC the Radiator Fan turn on as it should, but then after a while it turns off and the car overheats. ANY CLUES? My daughter has a 2000 accord, 4cyl. This issue doesn't … I've replaced the Temp Sensor on the Passenger Side of the Radiator Bypass Pipe and the Thermostat. as it would reach the 5 MIN mark it will slow down in stages. Initially I thought this might be due to the extraordinary heat, but we've had a few cool days and I've continued to observe the behavior, even after short drives on … The cooling fan comes on when I start the car and stays on for 5 minutes after I turn it off. Login / Join now Login / Join now. Australia. Then fan shuts off at 0:29. idle stumble with radiator fan tach You may need to turn-up your volume to hear when the engine bogs down, which happens at 0:05. Also, if you are on the hairy edge of needing a recharge in the AC system it may be cycling on and off due to that. I have the exact same experience as you, driving the car nice, its cold here in CO, fan has turned on for 1-2 mins after parking and turning off the car twice now. Stayed with the vehicle over 15 minutes and it still ran (a/c). 1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT 1997 - 2000 S70, S70 AWD 1997 - … My car has been over heating when my AC is off.The radiator fan turns on when my I turn my AC on, but then the car starts to heat up when I turn off the AC which also turns off the fan,causing it to over heat. Short time later check engine light came on and stayed on. It allows the fan to stay on after the car has been turned off for additional cooling. I only managed to stop it after … Please help me with your expert opinion. Broken or shorter signal wire Radiator fan turns on after car off, drains battery. The temp … 3. The computer turns the cooling fan on and off when it receives a temperature indication from the coolant temperature sensor. But, you are also forcing cool air through the radiator while you drive, which is cooling the coolant. The fan turns off only when the ignition is turn … After turning off the engine of my car, I walked out and hear a fan running.....then i opened my bonnet and the fan seems be from the radiator (the bigger one, if i m not wrong...coz carpark quite dark)! This … read more My car has a manual transmission. I make sure to keep an eye on the temp gauge, and it never gets abnormally hot. (maybe) There is a pressure … It is longer at colder temperature (outside/engine). Radiator fan kicks-on (and engine bogs down) at 0:02. In the former case - failed thermostat - you may or may not be damaging the engine. Hotter then the coolant that’s trying to cool it. Login Join now. If the radiator fan is coming on and staying on it's because either the thermostat is stuck open or there is no coolant in the system. The operating components in the cooling fan circuit include the cooling fan fuse, … When I turned off the car, I noticed the Rad fan was still on..... Any help and … I've replaced the Fan … Sometime the radiator fan stays on after she turns the car off. It's never done this before, up until the last couple of weeks. This cycles on and off for about a few minutes. I tried to turn on the engine again n turn it off.....but the fan is still running. FREE SHIPPING OVER $99 - Metro & Regional* PRICE BEAT - We're Cheaper Or We'll Beat It. The length of time cycling on and off seems to correlate to the temperature. Why does your Mini Cooper Fan stay on when I turn off the engine? Cooling Fan Temp Sensor is the First thing You Check (with what you have described) Cooling Fan Should ALways come On When The A/C is turned On as A/C Adds A Load to Engine, If Temp Sensor is Faulty it Will Not Give GROUND Signal to ECM >For COOLING FAN >RELAY to Give ground and turn ON The Fan. 2 Posts . 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