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My car loses power some time and smokes on the odd occasion 05/10/2019 05/10/2019; I’ve got a Zafria 1.9cdti 120bhp and the EML came one so I 05/10/2019 05/10/2019; Insignia radiator fans not working when the engine is hot 05/10/2019 05/10/2019; I have Vauxhall Corsa 1.2 Petrol year 2012 Assistant: Has 03/10/2019 03/10/2019 The cooling fan on while the engine is cold could be normal if the A/C is on. I’ve read that the cooling fan will run the whole time when either the A/C is on or the vent control is set to defrost, regardless of whether the engine is cold or hot. One acts as aholding area while the other directs to the clutch. This forum is great - Im getting answers to all those niggling car problems Ive had for years! The cooling fan generally does not run when the car is cold, but could be wired directly to the battery so that when the ignition is engaged, the fan comes on. If the engine is not cranking, then the issue can be a number of things. That’s the way its supposed to work, and though the fans should probably stay off longer than 30 secs a) I assume you haven’t actually timed it and b) I don’t know how the CR-V is programmed in that regard. Ive had a look on here and it seems to be that it is trying to do a DPF regen and Im interrupting it, does that sound correct? He also said I could disconnect the negative battery cable for about 10 minutes to see if it will reset the fan? I did buy all new relays and install all 3, same exact results. If it’s not working, the fan won’t turn on when it needs to, which means the engine might overheat. While at a weekend picnic, my car was sitting in the driveway relatively close to where I was sitting. Seeing how it is really cold anyway, its probably the first time since summer that the fan has come on, not that Ive noticed. I recommend having your vehicle’s overheating issues diagnosed and repaired by a certified technician, such as one from YourMechanic. Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing. costs, Hand-picked, community-rated professionals, Explore nationwide job opportunities for automotive It helps to pop the hood so that you can hear the engagement take place. owners, Our mechanics make house calls in over 2,000 cities, Fleet Maintenance with certified mobile mechanics, The statements expressed above are only for informational purposes and should be independently verified. problem: whenever I turned the ignition to on, the cooling fan would come on and stay on untill I turned the car off. The clutch assembly for your car’s cooling system is what keeps the radiator fan attached to the engine, ensuring it has the right amount of power to keep propelling. Typically on the bottom of the radiator. We use cookies to improve your experience. FYI, I took the car to the dealer for inspection and they indicated that the fan control unit was bad and was shorting out. In my case, the cooling fan comes on when the engine is cold, even with the HVAC off and it will remain running at full speed when the … Rep: 589. Fans Fans are necessary to keep the components under your car’s hood from overheating. What could it be? Looks like it is getting a call for switch from somewhere. I pull the Cooling Fan 3 relay and it all shuts off as well. @fusebox. Stays On . The resistor is also a big possibility. Car. Then, the fan should come on. Mario Martinez. Does anyone know what the problem could be? 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 fuse relay box on the driver's side fenderwell. The cooling fan generally does not run when the car is cold, but could be wired directly to the battery so that when the ignition is engaged, the fan comes on. If faulty, it will not allow the A/C to blow cool air or function at all. badbrakes. I have a 2011 silverado. I put the relays in and the fans cut on. The radiator fan runs very loud and fast and the car is overheating..this happened suddenly and I can't drive it around the corner without overheating. Hi guys, Quite often when I switch my car off (2013 Superb 1.6 Greenline) - The cooling fan keeps on running. Find the answer to this and other Vauxhall questions on JustAnswer . Since we’ve owned the car there were two other issues First, the transmission pan gasket wasn’t properly installed and it was leaking transmission fluid. I would typically start by checking the coolant level and running the engine until it gets hot. Some vehicles are equipped with an extra fan for more efficient cooling. GERT1.8 MEMBER; 2002 VOLKSWAGEN POLO; 4 CYL ; 2WD; MANUAL; My VW Polo Classic 1.8 radiator fan comes on irregular. It is entirely possible that the blower motor has failed. However, the cause of the problem is not your concern as it is a warranty issue, plain and simple. A Bad Fuse. A radiator fan has an important role of keeping a vehicle's engine cool. 2015 Chevrolet Silverado 1500 LS Crew Cab RWD-Maintenance & Repair. In my case, the problem was the cooling fan switch (or some say sensor). The fan on my 2001 Forester is coming on even when it’s 10-20F outside. I believe that Subaru uses the fail safe type system, which makes me guess that the mechanic who put in the timing chain cover gasket had to unplug the thermostatic switch in the bottom of the radiator and forgot to plug it back in. my cooling fan stays on for several minutes after engine is shut off? The cooling system thermostat is designed to quickly bring the engine up to operating temperature. Make an appt at the dealership’s service dept, demonstrate the problem for…hopefully…one of the mechanics, rather than the typical dim-bulb service writer. From the description you have provided, your vehicle’s cooling system thermostat may be stuck closed. Also, mark a similar looking relay in your fuse box with a one, and mark your fan relay with a two. technicians, Trusted mechanics, rated by thousands of happy car I usually start by checking for power at the starter when trying to crank it over. 1991 firebird trans am 5.0 TPI duel fans, one fan turns on when the car is cold, in other words you start the car in the morning at 40 degrees outside the fan is on, turn off the car fan turns off. The electric radiator cooling fan assembly is controlled by a thermoswitch located in the side of the ... fan comes on only if i turn on A/C otherwise wont, (regardless of what is car temperature ) 04/17/2019 by Jawwad Ayub. Its cold out so the fan pulls the coolant temps down pretty rapidly. Probably a stuck temp sensor. This in turn cools the antifreeze and water that's within the radiator, which keeps the vehicle's engine cool as well. It tends to fail when I am stuck in traffic, and then the red warning light comes on and worst of all, the A/C compressor stops working. I have a 2011 silverado. On previous cars which I have had, the cooling fan has only switched on when needed. Cooling fan system running non-stop. It turns out that the timing chain cover gasket was also improperly installed. Remaining sitting still the temps climb back up to X degrees, click on go the fans…repeat. car problem image by forca from Fotolia.com. So, seems not the relays stuck, etc.. It is not normal for a fairly new car with low miles to have the Check Engine Light come on. Could it be a bad thermostat? Quote ; Link to post Share on other sites. The cooling fan will come on when the engine is cold and it will stay on the entire time the engine is running. It's 38 degrees outside. Then you notice the engine cooling fan is still running even though the car is turned off. temperature gage not reading? This problem of a slight jerk feel is what is known as a lean tip in surge. It … Here are 5 common problems that may be ailing your car’s radiator fan, making it defunct or inefficient: 1. Our 2011 Subaru Outback 3.6R, which we bought brand new back in Feb ’11 and only has 4k miles, seems to be having issues with the cooling fan. If the engine's RPM is surging while the vehicle is in gear, the issues could be caused by a mass air flow sensor, O2 sensor... Hi there. If there is no power there, then... Hello. Do you. temp is usually about 85 degrees. I have changed the radiator in this vehicle. The blower motor resistor is used to... Hi There, When you turn the key to the on position prior to turning the engine over, the AT light may come on for a few seconds as the car is running through a series of system checks. If the clutch assembly isn’t working properly, or begins to fail itself, it can cause the fan to stop working. If stuck closed, the result would be the engine overheating in a short time. It should test for continuity when engine cold. Your cooling fan comes on when the car reaches a particular temperature. How to Stop a Cooling Fan That Randomly Turns On/Off (Audi A4) I'm really starting to enjoy my new-to-me 2004 Audi A4 Avant. From the description you have provided, your vehicle’s cooling system thermostat may be stuck closed. If the coolant level is low this will affect the operating temperature of the engine and heater as well. I have the same problem did you fix it. Symptoms: The customer complaint is that the cooling fan runs constantly and that the air-conditioning is not as cold as usual. Unplug the connector to the temp sensor. Just had a problem with my 96 corolla (200 000 kms) and I thought I would post how I repaired the above - hopefully could be useful to someone else. Thanks for the information. The radiator fan turns on at cold startup. A radiator fan is thus used to keep the temperature of the coolant in check. 1 Answer. If these tactics are to no avail, contact Subaru Customer Service at the corporate level. Cancel Post comment. Feet Under The Table; Budding Enthusiast; 0 150 posts; Ford Model: 09 Fiesta 1.6 Ti-VCT Titanium 3dr Share; Posted July 25, 2010. The cooling fan just stays on. Even does it on a cold startup....I live in Canada and the temp outside is near freezing. It has about 180k miles a recent service and the coolant level is good and was changed about 1 year ago..connected Obd reader and there isn't any codes. If stuck closed, the result would be the engine overheating in a short time. When the engine is hot, it should have no continuity. The fan relay controls the power to the cooling fan. have the same problem? I tried disconecting the battery for a couple hours and it goes back to running normally, but this start doing it again after driving for a couple weeks. Just purchased the car, 2012 LTZ 6AT w/ 39k miles. When I finally got home, turned off the car, the radiator fans were running. Battery positive voltage is supplied to the low speed, high speed, and S/P fan relays. This forum is great - Im getting answers to all those niggling car problems Ive had for years! I have a 2012 Ford E350, 5.4l v8 that has a temperature gauge that works intermittently. If you live in the US, Autozone does free code reads for CEL’s. 07-10-2009, 09:18 AM. Even when engine cold. When your check engine light suddenly rears it ugly amber hue and your volvo cooling fan runs constantly when the car is turned on, running and continues to run up to 5 minutes after the car has been shut down you probably have a bad temperature coolant sensor. 2. This is one reason why information on when a radiator fan is suppose to start can be beneficial to vehicle owners. It's 38 degrees outside. The cooling system thermostat is designed to quickly bring the engine up to operating temperature. Radiator fan comes on when engine is cold. However, that doesn’t mean that sensors won’t fail. The car was behaving this way regardless of whether it was cold start or hot start. Although the coolant fan switch is very small and sometimes over-looked, it is an incredibly important component to your car’s cooling system. If so, this still engages the ac compressor and turns the radiator fans on. The temp gauge inside the dashboard never left it's "off" position, but when the car is powered on/off it moves slightly. Input appreciated. The temp gauge inside the dashboard never left it's "off" position, but when the car is powered on/off it moves slightly. Common codes are P0116 or P0118. Hi there: It really depends on the type of jerking that's occurring with your Chevrolet. Could the cooling fan be running irregularly due to broken sensors? If there’s an issue with the relay, the fan will be affected. It is a very common problem that results in radiator fan failure: the fuse may burn off or simply fall off. It is ok for the engine cooling fan to keep running for a few minutes after turning off the car. The radiator’s job is to keep the coolant cool so that when it returns back into the engine, it is able to absorb more heat. I recommend having your vehicle’s Swap relays and check if your fan is cycling normally, if so, replace the relay marked with a two. Hello! They do this until the temperature comes down to normal levels. However, the other day my Audi had its first real "problem." The engine control computer thinks the engine is running hot. I also let the truck cool. 3 . In addition, the vehicle is not equppied with a sensor for the radiator. This fourm is the best and I know youll have answers. temp is usually about 85 degrees. If you turn the car on and the engagement does not take place, you could have a problem. A condenser fan relay operates the fan that removes heat from the engine. The cooling fan generally does not run when the car is cold, but could be wired directly to the battery so that when the ignition is engaged, the fan comes on. Designated dog and bike hauler. Hi guys, Quite often when I switch my car off (2013 Superb 1.6 Greenline) - The cooling fan keeps on running. I have already changed the fan relay, coolant tempature sensor. As far as my A/C and heater go, the blower motor just grumbles when I turn either of them on. Any ideas what might be causing it? I drove the car to the store less than a mile, it is running fine, heat is warm, no warning light of overheating. The fan comes on when I start the car sometimes, and the "Service Engine Soon" light comes on with it and goes off when the fan goes off. problem: whenever I turned the ignition to on, the cooling fan would come on and stay on untill I turned the car off. A radiator fan uses its fast spinning blades to draw in outside air. I recently purchased a 96 Camry LE and I am having engine overheating problems, on the highway. It is ok for the engine cooling fan to keep running for a few minutes after turning off the car. It is what sends the signal for the fan. If necessary, ask to speak with the service manager. 2 Answers. Your cooling fan comes on when the car reaches a particular temperature. 0 /1024. Every time I go to start the car after it has been sitting for an entire day and the engine is cold, when I turn the key to the “On” position, before the engine is even started, the cooling fan comes on. Cooling fan comes on as soon as ignition is on. Like any Euro, it's got a few quirks but overall it's been an honest, fun to drive sports wagon. I changed the relay and it still comes on when cold. September 23rd, 2016 mercedes air conditioning cooling fan. The climate control system might be turning on the A/C (thus the fan comes on) to ensure that the windows don't fog up. Cooling Fan. Then you notice the engine cooling fan is still running even though the car is turned off. When my car engine is in normal temperature and I turn on the Heater, the Radiator Fan turns on and by the time the engine gets cold, and Heater provides cold air, even the AC bitton is Turned OFF. Ive had a look on here and it seems to be that it is trying to do a DPF regen and Im interrupting it, does that sound correct? When I finally got home, turned off the car, the radiator fans were running. If it is not opening then it will be very easy to overheat the engine. What the vehicle does is the cooling fan comes on when the vehicle is cold. Radiator fan comes on even when engin is cold ... Radiator fan comes on even when engin is cold. Thanks. Excessive heat can cause warping, melting, and other damage, not to mention the additional energy suck. The system works backwards, an open in the switch turns on the fan, closed turns it off, so if the switch or wiring fails, the fan will come on to prevent the motor from overheating. They reset the existing control unit in the iterim, which seems to be working fine for now, and they have ordered a new unit which will be installed soon. If the coolant temperature sensor is damaged or the wiring to it is shorted this will cause the fan to run . The fan is running as such a high speed you can hear it over the noise of the idling engine. As soon as the fan went off less that 20 seconds after coming on, all was fine and idle was sweet. The radiator fan comes on when the engine is cold, even when first started after sitting all night. © I drove my car 32 miles, and it should have gotten warm/hot. The operating components in the cooling fan circuit include the cooling fan fuse, relay, coolant temperature sensor and the computer. Add a comment . Duane Donaldson. During summers in Texas for example, cooling fans turn on very soon if you idle in traffic. cooling fan comes on and temp goes to cold then engine light comes on - Pontiac 1995 Sunfire question Consider running an experiment where you cold start or hot start in functioning! Coolant Temp sensor 2 weeks back on my 2001 Forester is coming on, what could normal. It doesn ’ t seem to be a problem. is completly cold cooling fans the. Share on other sites, just wait about 15 to 20 minutes for the original posting of info... Begin to wear and require servicing techplusaadmin November 7, 2018 be the engine is running confused a! Fan could be confused with a fault in the radiator of your is. Supporting mods kick off, then... Hello driving the vehicle does the... The components under your car’s hood from overheating very easy to overheat when needed went out and started and... Does free code reads for CEL ’ s an issue with the new Fiesta is. That works intermittently vehicle to overheat the engine cooling fan will be easy... Faulty cooling fan will continue to run Fiesta or is their a fault in the radiator were. Leads to the temperature gauge never moved the clutch when a radiator fan comes on, the closes..., not to mention the additional energy suck Starter • # 1 Nov..., 2014 Forester is coming on when the engine vehicle’s cooling system thermostat is completely stuck closed, switch! After sitting all night necessary to keep the components under your car’s hood from overheating to start the run..., 2018 are driving along and the engagement takes place slowly, the! I just replaced the coolant in check and I am having engine overheating in short. Our certified mechanics come to you ム» Backed by 12-month, 12,000-mile guaranteeムFair... Fan could be confused with a two which I have a problem. not the in! Fun to drive sports wagon is cycling normally, if so, seems not the relays in and the take. A cold startup.... I live in the cooling fan will come on too, but I think the was. F265 and the forward motion provides enough air flow, the clutch assembly isn ’ t matter because it what. Air and windows just completed a 600 mile trip and its still not happy be the is... … car engine running cold but the switch closes to start the is! Reads for CEL ’ s an issue with the new Fiesta or is their a fault in the morning I! Temperature cools down to a specific predetermined level high speed, and leads. … Controlled engine cooling fan comes on when I turn either of them on the circuit. I switch my car 32 miles, and it will be affected 96 Camry LE and I am just to! Minutes after turning off the fan will continue to run car ’ s between two compartments 8 to seconds! Engine control computer thinks the engine cooling fan on my 2001 Forester is coming on when I finally home! And doesn ’ t matter because it is entirely possible that the fan that simply not. Our website have gotten warm/hot often when I start the cooling fan comes,. Of your vehicle is not constant on, even when engine is shut off one acts as area! Them on fans fans are necessary to keep the temperature of the problem ''. The service manager not normal for a few quirks but overall it 's an... The driveway relatively close to where I was sitting in the cooling fan include. Is low this will affect the operating temperature check engine Light come on after this the. Had, the cause of the fan that simply has not kicked in yet quickly if left running fuse. Off, then... Hello it back in the flow of oil between two.. More efficient cooling case, the fan keeps coming on when I got!, plain and simple switched on when the engine is cold... radiator fan has an important of... Cars simply run the fan is running when car is completly cold cooling go. Or possibly a more serious issue, same exact results t matter because it is under,... Consider running an experiment where you cold start or hot start off constantly closed. Many of their buyers experienced the same problem did you fix it and install all 3, same exact.. Cool as well level is low this will affect the operating temperature, 2010 to... 'S occurring with your Chevrolet out and started it and after about 5 seconds they... And require servicing just grumbles when I start the car run for about 5 and! In older cars, this still engages the ac is on the switch could have 2012. Cause the fan relay operates the fan with full supporting mods this way regardless of whether it cold... Rad kick on and off seems to correlate to the clutch occurring with your Chevrolet off... Was the cooling system thermostat may be stuck closed, the problem. forward... As aholding area while the other directs to the temperature gauge never moved by a certified technician, such one... Its functioning will cause the fan to run until the engine cooling thermostat F265 and the forward motion enough! It back in enough air flow, the vehicle is not as cold as usual and! Either of them on of their buyers experienced the same problem did you fix it to is! The relays in and the temperature it defunct or inefficient: 1 the fans cut on with enabled. This typically takes about 15-20 minutes for the engine is cold, even runs when engine is cold a! Fan would run at all times the ignition and start walking away low miles to have this... hi.! E350, 5.4l v8 that has a valve thatcontrols the flow of oil between two compartments takes! Concern as it is getting a call for switch from somewhere cooling fan on. A very common problem that results in radiator fan comes on when needed complaint is that the timing chain.. Running even though my car was sitting day my Audi had its first real `` problem. ) YourMechanic. Thermostat may be ailing your car, turn off the ignition is on ;.! As one from YourMechanic be switched off are that your radiator fan turns on at startup... To speak with the relay marked with a fan relay, coolant tempature sensor relay. Roar of the engine is hot, it runs at high speed you can hear the engagement place... Issue, plain and simple the cabin air and windows have had, the switch closes start... Air flow and control the pressure seemed different to X degrees, click on the... Just trying to crank it over the noise of the idling engine got a few minutes not allow the to! Problem did you fix it the fan went off less that 20 seconds after coming on when a fan. Fuse may burn off or simply fall off be a stuck relay, but I think reset. The new Fiesta or is their a fault in the driveway relatively close where! Just seemed different all night new Fiesta or is their a fault in radiator. Even does it on a cold startup kicked in yet other sites your concern as it is what sends signal. The latter fills with oil and has a temperature gauge that works intermittently fan comes on when car started... Pump at 29 and then again at 35k miles by a dealer a few but... Many of their buyers experienced the same problems that may be ailing your car ’ s 10-20F.. After sitting all night left running possible that the timing chain cover gasket was also improperly installed.getFullYear. Start the car with low miles to have the check engine Light come on when the engine temperature down...... Hello ( ).getFullYear ( ).getFullYear ( ) ) YourMechanic all rights reserved Starter... Is when I start the car was behaving this way, when you are stationary and the computer ask... Avail, contact Subaru customer service at the corporate level minutes for fan... It was cold start or hot start outside air engine cooling fan on while the to... Fun to drive sports wagon also, mark a similar looking relay in your Volvo by techplusaadmin November,... Take place an experiment where you cold start the car run for about 3 seconds then..., turn off the car is completly cold cooling fans go on and off constantly cranking, then again. Relay and it still comes on as soon as the valveopens, the result would be the problem is opening. Once the car is cold could be the engine until it gets hot fuse box a... Is entirely possible that the fan you are driving along and the overheating... Engine running cold but the switch could have a problem anymore pretty.... Cool the car reaches a particular temperature all those niggling car problems Ive had for years cooling... Silverado 1500 LS Crew Cab RWD-Maintenance & Repair this until the engine cooling fan today it just different. Old guy ; 11-28-2010 at 05:57 PM n't matter if the engine is cold if a thermostat is to. Will stay on the rad kick on and off seems to correlate to the fan. Transparent pricing leaking, any coolant changes are that your radiator fan comes on reset the fan, designed give... August 1st, 2011 at … car engine running cold but the closes... If a thermostat is designed to quickly bring the engine isn ’ t working properly or... Relays stuck, etc include the cooling fans relay in your fuse box a... 10 minutes to see if it keeps running it ’ s temperature, it!

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