Fan keeps running when truck is off. The radiator fan stays on when the engine is off.


Fan keeps running when truck is off Mechanic's Assistant: What is the year and model of your truck Oct 30, 2021 · I have 2015 Chevy Silverado and it's pretty cool outside around 50 s or so. What's the problem. A functioning Jan 8, 2022 · my chevy colorado 2017 Cooling fan stays on after truck shut off but after disconnecting and connecting back the battery working normal just 10 days after it is starts again can you guys give advise what is the problem thanks May 14, 2025 · Discover why your Radiator Fan keeps running when car is Off and learn how to fix common issues like faulty sensors, relays, and coolant problems. Find out the common reasons, such as fan relay, PCM, ECU, wiring, coolant, sensors, radiator, and thermostat issues. When I restart it’s fine. did my research saw the fix was the thermostat and that sensor next to it. Can you describe any other symptoms or issues you've noticed with your 2019 Chevrolet Colorado besides the fan running after the engine is turned off? Not really. When I shut the truck off and removed the key, it sounded as if the radiator fan continued to run for a minute or two after shutting the truck down. May 5, 2022 · The cooling fan in your car keeps running even after the car is shut off. Thanks for reading this! 2015 Chevy Silverado 5. My coolant gauge stayed around 160 the whole time. This phenomenon often points to problems within the cooling system, which plays a crucial role in regulating engine temperature. Dec 10, 2021 · I have posted here before about an intermittent problem with the radiator fan staying on after the engine is shut off. Let’s dive into the potential culprits. Dealer says PCM is turning it on and that RAM is working on a fix. Jun 9, 2023 · I have the 2014 Silverado 1500 5. When key is OFF or removed, the fans start. Aug 16, 2011 · I am running into a similar issue. Stays at 0. 3L. Those used to be installed only on vehicles with automatic climate control with variable speed fans, but now they’re installed on many late model vehicles. it also has a string of LED type lights inside the dash by the speedometer, those also stay on sometimes. They have run for 2 seconds and have also run continuously for several minutes until the fan relays have been removed to manually shut them off. May 26, 2018 · 2015 - 2020 F150 - Radiator fan running with engine off? - Just completed my first tow of our travel trailer with my 2018 F150 3. You would think carmakers would only provide power to the controller in the full ON key Jan 3, 2020 · The drive to work was about 18 miles going mostly between 45 and 70mph. Mar 2, 2025 · It’s a situation that prompts the question: “Why does my Chevy Silverado fan keep running?” It’s a common issue, and while it might feel like your truck is developing a personality of its own, there are usually logical explanations. Learn more about why your radiator fan running when truck is off. Can you help? Mechanic's Assistant: What’s the approximate mileage on your 2014 truck? Customer: It has 170,000 miles. Cooling fan running after truck is turned off. Fan ran for 5 min. Nov 7, 2016 · So the other day I got in my truck and the A/C blower would not come on. 2017. Scanner is What causes the fans on my 2014 silverado to run constantly. Interior power turned off with the key like normal, but the engine didn't turn off until the headlights turned off. After fiddling with the controls a bit I gave up and rolled the windows down. 0L, I like the truck but over the last few days the cooling fans (both hi and low) started to run continuously. A fan must keep on running to avoid the aftereffects of a long journey or a hot summer day. However, if it runs for an unusually long time, it could indicate a problem with the coolant temperature sensor, a faulty relay, or an issue with the engine control module. What this means is that the cooling fan will only run when necessary. I haven't ran codes yet, going to do that after work today, but there is no check engine light. 3. I had the fuses changed in it and it's still doing the same thing. As a failsafe since it has no idea what the actual coolant temp is, the PCM commands both fans on high speed and keeps the A/C off to prevent extra heat from the condenser. May 7, 2023 · Silverado Fan Keeps Running When Truck is off One of the most common problems among Chevrolet Silverado owners is that their fan keeps running even when the truck is turned off. This can help prevent engine overheating. Dec 28, 2024 · The Chevy Silverado is a reliable and powerful truck, but like any vehicle, it can experience issues. 6 V6 earlier this year and over the weekend the temp gauge was not moving and kept reading 160 and the engine fan ran for about 5 mins after the engine shut off. Learn about common causes and how to address them. anybody else face this issue? Update: Was the thermostat sensor Oct 24, 2021 · I noticed the trucks fan staying on after the truck is off yesterday for the first time. Customer: I turned off my truck and the fan keeps running Mechanic's Assistant: The Chevy Mechanic will know what to do about your fan. Oct 21, 2024 · This article was reviewed by the YOUCANIC editorial team. Mechanic's Assistant: How many miles are on the GMC? Is it equipped with an automatic or manual transmission? Customer: It has an automatic transmission and currently has 112,774 miles on it. Everything I've researched Feb 6, 2018 · 2015 - 2020 Ford F150 - coolant fan won't shut off after engine is off - 2016 f 150 2. The cooling fan for the engine. When this switch fails, power continues to flow, preventing the fan from shutting down. Looking at the live data on my OBDII Feb 6, 2025 · If your car’s air conditioner fan continues to run even after the system has been turned off, it is essential to address this issue promptly, as it may indicate a malfunction. And the temperature gauge reads 160 through my 40 minute drive of work? May I get some advice? Much love and appreciation! Discover more answers 2016 Tahoe Radiator fan keeps running after the engine is turned off, which is first time this has occurred? 3-5 chevy trailblazer: fan keeps running with engine shut off Oct 30, 2020 · The truck is running the fan because it knows it should be warmed up and it's showing it isn't, so it is running the fan just incase it's hot. If the radiator fan keeps running even when the engine is not on, it may be caused by a wiring issue. Let's go Brandon 2016 Colorado 4x4 CC SB V6 LT -- 2. 6 and my radiator fan is running nonstop, this is the third time it's happened in 3 months, anyone have a solution on what to start with first, coolant level is right, I know it could be several things. My thermostat stays at cool and my fan keeps running and it won't turn off Oct 14, 2020 · I've had this problem twice now where the radiator fan keeps running after I stop and shut off the engine. The radiator fan keeps running while truck is off gmc 2015 sierra 1500. Dec 28, 2022 · If you are wondering why the fan still running when car is off, let's read this article, which will help you address possible causes and fixing approaches! Just recently noticed that my fan has been running for a minute after I have turned off the ignition. 3 v8 (LT trim I think) Issue: Radiator fans stay on as long as the truck is running. Jul 26, 2023 · A couple hours after getting home, I went to move it. This persistent running is often caused by a faulty relay switch, which controls the power to the blower motor. The fix is quite simple. When the engine is turned on, the coolant circulates and goes to the radiator, where it dissipates heat. While 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, if the fan runs for an extended period, the fan itself can become damaged due to overuse. No sir. However, some F150 owners have reported a common issue with their radiator fans constantly running, even when the engine is not hot. Customer: I have a 2014 Sierra, and the cooling fan keeps running. Dual climate control. Checked truck for any codes but found nothing. This paper examines some of the major causes including defective thermostats and short-circuits and gives a clear way of dealing with the issues. Welcome back to the channel! In this video Sean goes over why the radiator fan won't turn off on your 2014 - 2019 Chevy Silverado or GMC Sierra. Just a loud fan running but during normal in town driving Jun 27, 2025 · The constant running of an air conditioner fan even after it has been switched off may be puzzling to most homeowners. Mar 25, 2023 · General F150 Discussion - Radiator Fan kicks on when truck is off and runs down battery! - I?ve got a 2016 F150 and yesterday morning I turned my truck off and the radiator fan started running really loudly. Air conditioner is turned off but fan keeps running If your blower fan is continuing to run after the system has already turned off, and you made sure your thermostat isn’t set to the ‘ on ’ position, then you’ll want to try and pinpoint the issue. I ended up disconnecting the battery, reconnected it and the problem went away for a couple months. Jan 16, 2025 · Car Air Conditioner Fan Keeps Running When Turned off If you find that your car’s air conditioner fan keeps running even after you’ve turned it off, this could be an indication of a problem with the blower motor or its associated wiring. Share your pics, experiences and love of Chevy and their beautiful Silverado trucks. Apr 1, 2023 · I have a 19 Colorado 3. Hope this helps yall. I have noticed that when fans are running, fan speeds vary from time to time; cant identify any consistencies as to why fan speeds vary. Get to work and turn off ignition and fan would continue to run for a short time before turning off. Replace the thermostat and clear all the codes Dec 24, 2024 · If your 2014 Chevy Silverado's fan won't turn off, find out why and how to fix it here. Maybe your coolant level is low, which can lead to reduced cooling. This can happen after driving for a long period of time, or if the vehicle has been running at high speeds. 3 cooling fans want to run all the time even though engine temperature is cool. This after I just replaced the battery and the idler pulley because it was 2014 Chevy Silverado. The fan helps to cool down the engine and prevent it from overheating. About five minutes later it was eating at me so I switched the control from off to max and the fan kicked on like it was supposed to and was Learn why your blower motor keeps running after you turn off the car and how to fix it. 4. My fan is running loud and constant. The only time the key shuts the blower off is when the key is the accessory positon. Also when this happens my temp gauge is not working. Nov 25, 2016 · 2009 - 2014 Ford F150 - 2013 F150 5. The truck was running fine. Oct 24, 2025 · The truck is running better altogether now that it’s completed and the fan is staying off. I only have 45,000 miles on my 10 year old Silverado. No Jun 19, 2023 · Radiator Fan Keeps Running When Car is off When your car is off and the radiator fan keeps running, it could be an indication of a problem with the cooling system. I have not experienced a dead battery, or loss of battery voltage. You park your car, turn off the ignition, and walk away. My Car is off But The fan still runs even after you shut the engine off is a hot engine. 6L V6 engine | 78793 miles Just started today, the radiator fan keeps running after my truck is turned off for about 3-4 minutes. May 29, 2025 · A: Yes, if the fan keeps running after the engine is turned off, it could indicate a problem with the electrical circuit, temperature sensor, or the fan relay. . Is the coolant getting low and he's adding water or is it running straight water? Feb 1, 2025 · When key is ON, the fans stop. Nov 15, 2010 · 1999 - 2016 Super Duty - my blower fan keeps running even after shutting off vehicle - so i noticed today that after my truck is shut off for some reason the blower keeps going. Mechanic's Assistant: How long have you been experiencing issues starting the vehicle? Do any lights still turn on? 2014 SILVERADO AS SOON AS I START IT THE COOLING FAN COMES ON AND STAYS ON AFTER SHUTTING OFF. It doesn't do it every time, it seems to happen ~ 1/3 of the time. In this blog post, we will explore the common causes of this issue and provide step-by-step Jan 17, 2011 · 2005 GMC Z71 1500, W/ Dual digital climate controls. The time it takes to stop depends on how high the fan blower setting is. This controller is a solid Why does my Ford F150 fan keeps running when it’s off? It is normal for a fan to keep on running even if your truck is off because it’s still heated. Any help with this issue will be appreciated. When I got home and turned the truck off, I could hear a fan Discover more answers Chevy Silverado: 2006 Silverado 4. Learn why your car’s fan may keep running even after you turn off the engine and how to fix it. It's been running for about 15 minutes now. After parking, I turned off the ignition, removed the key, and stepped out of my truck, but the engine ran for maybe 15 seconds before shutting off. It would create a faulty coolant temp code and as soon as I If your truck’s fan keeps running after you turn the engine off, it could be a sign of a problem. Replaced Customer: The cooling fan keeps running after I turn off the engine. Aug 21, 2024 · The fan staying on after turning off the car typically indicates a cooling system function. One common concern among Silverado owners is a fan that runs continuously, even when the engine is cold. all works and it will start right up but not shut down Mechanic's Assistant: Is there anything else the truck Mechanic Jan 11, 2009 · 1997 - 2003 Ford F150 - Blower runs after keys out can't find relay - I've got a 2001 F150 supercrew with the 5. It was still running when I returned. Cars with My 2016 F150, the fan continues to run after turning off the engine. Now, so far I have replaced the ECM and the 3 relays that run the fan ( at the direction of a mechanic) but the fans still turn on whenever they feel like it! We would like to show you a description here but the site won’t allow us. I disconnected the battery and the problem came right back. The vehicle is serviced regularly. The fan helps protect your engine from heat damage. Jul 23, 2020 · When I turn the engine off on my 19 GMC Canyon V6, the fan for the AC keeps running and winds downs after about 15-20 seconds. Watch the first eight minutes of this veideo: In this video I explain why your radiator cooling fan keeps running and won't turn off after shutting off the engine. Jun 9, 2024 · It just happened once I get in my garage and notice engine fan running. I disconnected the battery yesterday, and it seemed to resolve the issue, but this morning on my way to work, it stayed on again. Aug 22, 2024 · A car fan running after the engine is turned off usually indicates a cooling system issue. The coolant temperature sensor is responsible for monitoring the engine’s temperature and sending a signal to the fan control module. Contamination can be both outside and inside (if the antifreeze hasn't been changed for a long time). This article will explain how to fix this problem and stop the annoying fan from running. 2018 Sierra slt 2017. Temperature gauge is not working. I got the truck slightly used back in late 2018 and haven't had engine coolant replaced yet. 3L V8 4WD AUTOMATIC 117,376 MILES When I shut off my truck the heater fan continues to run I have to pull the fuse to get it to shut off Thursday, November 20th, 2014 AT 1:47 PM Nov 26, 2024 · You are probably hearing the radiator fans staying on after you shut the truck off. Driving next 7 miles at 45mph problems continued. Keep the radiator and condenser clean of debris. Has had some intermittent issues with the tan running super high and overcooling as well as running for about 5 mins or so after the truck is off. It is normal for the fan to keep running for 30 seconds when the vehicle is Apr 28, 2023 · As a car owner, you may have noticed that sometimes the radiator fan continues running even after turning off the engine. I noticed that the fan was running post turn The fan keeps running after it is turned off. I exited another store (damn you Buc-ee?s) Aug 26, 2024 · A radiator fan that keeps running after the car is turned off is often normal, especially to dissipate residual heat from the engine. There's no check engine light and no signs of overheating. 5" AS level/lift w/diff drop. Thats why its a good idea to keep your hand away from electric fans unless the battery is unplugged. Got to work, parked, and listened for a minute. When the engine is shut off, the coolant does not Here are the symptoms: Fans keep running, air conditioner stops working, temperature gauge stops working or reads 160 degrees. I changed out the thermostat and the temp sensor, but I can’t figure out the problem, now the heater blows cold air and the air blows hot air I’m lost please need help TIA Jan 6, 2009 · Why the heater fan motor keeps running after the car is shut down On many GM and Ford products with auto climate control and a variable speed fan, the default failure mode is the fan ON position. Jul 15, 2020 · Maintenance Shop - 2013 f150 cooling fan never turns off - The cooling fan kicks on high 30 seconds after starting my 2013 F150 ecoboost and never turns off. No warning lights except oil change reminder, and it Oct 6, 2023 · How much is it to fix the temperature gauge not working and fan running? There is no exact answer to that question because the cost may vary depending on the problem. What will make the blower motor inside the truck keep running after the key is turned off. IT HAS DONE THIS BEFORE Feb 6, 2025 · After turning off the truck I noticed the engine fan stayed on for maybe a few minutes. Took my climate controls out and the fan continued to work, ended up pulling Have a 2014 Chevy Silverado 1500. 8 cooling fan stays on after 96 ford taurus cooling fan stays on, keeps running after ignition is turned off, drains battery We all have one moment in our life, while we are leaving our car after traveling, we hear the engine radiator fan spinning at a good pace, and always the question arises why is the fan running when the truck is off? We have the answers. While driving today blower motor Kicked out, I turned up the fan speed and it kicked back in. Radiator Fan on full blast won’t turn off even with car off, not running. I have a 2016 GMC Canyon. Cooling Fan. It's just a nice We would like to show you a description here but the site won’t allow us. It's never done this when it's hot out but both May 16, 2013 · Truck began missing/skipping and after new plugs and wires it didn't clear up. Ignoring this 2014 and newer chevy silverado 5. Mar 26, 2016 · Blower motor keeps running: Common cause Why the blower motor keeps running after you turn off the car If your car uses a blower motor controller, it can keep running the blower motor after you shut down the engine. Customer: My 2017 Silverado's fan is continuously running. (Just moved from Vegas) Is it a cold thing? 18 v6 Mar 16, 2022 · The sensor had failed, making the gauge read "0". Apr 17, 2020 · Hi guys, I have an 06 silverado and my cooling fans come on even after the truck has been off for hours. The temp gage stayed on zero (160) after a 10 mile drive. In vehicles with a variable-speed fan, the system uses a blower motor controller instead of a simple resistor. 2015 Chevy Silverado Radiator Fan kicking on and won’t go off for 5 min after engine shuts off. May 30, 2022 · How to define: The fan runs constantly when the air conditioner is on, and if it wasn't on, it will start spinning as soon as the engine warms up and won't shut off even after the engine is turned off until the motor cools down. Help? 170k, Just began in 2014 Chevrolet Silverado 5. I replaced the coolant temp sensor and the problem is still there. The cooling fan keeps running after I turn off the truck, and now it won’t start. I just started using the heater yesterday, and that's when the problem began. Then you notice the engine cooling fan is still running even though the car is turned off. The strange part was that when the problem happened the coolant temp gauge on the dash would drop to dead cold. Not towing anything. The radiator fan stays on when the engine is off. Initial diagnosis: My youtube research lead me down the coolant sensor (which I replaced) and the thermostat path (which I was about to replace but didn't). However, if it runs for longer, you may have low coolant levels, a coolant leak, a faulty cooling fan, a damaged radiator, or an overheated engine. Usually, when the fan continues to run after turning off the vehicle, it suggests that a code P0128 is stored in the computer. Nov 5, 2023 · Why Silverado Fans Keep Running When Truck Is Off Silverado fans keep running when the truck is off because the engine may still be hot. Find out all causes and how to address them. Is this the same issue??? Also, it says 10 year 150k or which ever comes first, I am at about 120k but obviously over the 10 years. Any ideas? Like a thermostat switch gone bad if that's a thing Sent from my Pixel 2 XL using Tapatalk Watch for check engine lights and address codes early. Blower keeps blowing after turning off car? Pulled fuze on blower to turn off so the blower wouldn't I have a 91 gmc with a 5. Went in for a drink, came out 10 minutes later fans still running Jan 15, 2021 · Got a 2015 Tahoe the electric fans stay on after I cut the truck off. Fan issue GMC. Mechanic found a short in main wiring and re placed section of cable where shielding had cracked. After extensively researching automotive maintenance, I have gathered enough information to determine why a car fan may Have you ever noticed your car’s fan continue running after you’ve turned off the engine? If so, it’s a concern that requires immediate attention. Get in to drive home and immediately fans is at high speed, no indication on the temp gage and no cool air from AC. If it’s for a minute or so, might be normal but if it’s non stop, start pulling relays. I know this is a frequent f150 problem that is described all of the internet and in this forum as well, but i haven't been able to find the golden thread that Customer: My cooling fan kept running after I turned off the truck, the temperature gauge stopped working, and now my battery is dead. Coolant level good and temperature running at around 200 to 210 degrees. Fortunately, there are a few easy steps you can take Jan 17, 2024 · Why Your Blower Motor Fan Keeps Running How to Fix a Fan That Keeps Running With Ignition Off I’ve diagnosed countless HVAC issues over the years, and one problem I see more often than most is when the blower keeps running even after you turn off the car. Learning about the cooling fan parts helps you figure out issues quicker. The other day I noticed my radiator fans constantly running at full blast and staying on for 5 minutes after shutdown - saw that the coolant temp gauge was pegged low. Here’s a quick look at the key parts of the Chevy Tahoe engine cooling system: Jan 28, 2021 · Ac and heat work fine. A running fan in a car that is turned off can be concerning and may lead to battery drain or overheating issues. Customer: The engine fan remains on even after I’ve turned off the truck, and the water gauge doesn’t work while the truck is running. 3 LTZ with 93k miles on it. What could be the issue? Mechanic's Assistant: When did you start experiencing problems with the battery? Do you recall when the battery was last replaced? Customer: Everything began last night. Skipping would begin with ac on and both fans running on hi speed. I’ve seen the it cools it responses. This can be an annoying and sometimes dangerous issue, as it not only wears down your battery power but also increases fuel consumption due to running unnecessarily. If the fan keeps running after turning off the car, knowing these parts can lead to the right solution. All that hot coolant just stops on a hot engine so the fan runs to continue to cool it. I honestly can't say this isn't just something that I haven't noticed, but it really stood out on a trip this weekend. Is it my thermostat. It’s best to have the issue diagnosed and resolved to prevent any potential risks to the vehicle’s electrical system or battery. Discover the common causes and step-by-step solutions for this issue! Jun 2, 2022 · To turn the blower fan off, simply set your thermostat to the ‘ auto ’ option. Recently the front blower keeps running for the heat/ac after the engine is shutoff and the key's removed. Dec 2, 2023 · My 2015 Escalade fan started running shortly changing the battery (may not have anything to do with that) it comes on right after i turn it on and stays on for about 5-10 min after i turn the engine off. No, there were no ticking noises or burning smells, and there has been no indication that it has overheated. Fans stop almost immediately after turning off the ignition. 2014 Silverado Fan Keeps Running - Problem Solved Picked up a 17 colorado WT 3. -- 265/70-17 Geolander GO15 Dec 4, 2023 · The Ford F150 is a popular pickup truck known for its reliability and performance. Experiencing a car fan that continues to run can be concerning for any driver. Feb 3, 2023 · It’s completely normal for your car fan to run for a few minutes after the engine is turned off, as it’s designed to do so. How to fix it GMC Chevy Saab 9-3, 2002. Jan 15, 2023 · Just like the fan can still be running after you’ve turned off the engine, the fan does not kick in immediately after you turn on the engine either. Why Your Colorado’s Fan Runs After Shutdown Hearing your Chevy Colorado ’s fan keep running after shutdown can be surprising, but it’s often normal. To keep the engine calm and avoid overheating, which could suck your engine oil. My 2016 GMC Sierra’s fan keeps running after I turn the truck off. The vehicle has 74K miles on it. 5 mins after shutting off the ignition. Today after normal driving home from work, about 15 miles on the freeway, I noticed my temperature gauge hadn't moved off cold. Jul 21, 2022 · The main cause that keeps the blower motor running when the car is turned off can be a shorted wire, a damaged blower motor resistor, or a faulty blower control module. Mar 6, 2023 · 2015 GMC Sierra 5. This can be due to a faulty thermostat or a malfunctioning temperature sensor. If the fan keeps running after the truck is off, you’re definitely looking at a stuck relay. Many drivers notice their car’s fan running even after they shut off the engine. Yesterday, I started my car and backed up a foot in the carport; the engine ran for less than a minute, but the fan continued for about three Customer: Fan running on Chevrolet Colorado Could you please tell me the year of my vehicle? The fan runs for about three minutes after I turn off the engine. If you’re wondering, “Why does my Chevy Silverado fan keep running?”, you’ve May 30, 2019 · Good afternoon - Hoping someone can help or point me in the right direction. Today. 38K subscribers in the Silverado community. Oct 13, 2022 · 6 Common Reasons Your Chevy Colorado Fan Keeps On Running The most common causes for your Chevy Colorado fan to continue running even when you’ve turned off the engine are related to faults found in the fan relay, the temperature sensors, the ECU unit, the high-pressure switch, the coolant liquid, or the thermostat. Do you have any other details that could be helpful? Customer: belt to altinator is not running, all lights shut off, and engine is down. Feb 5, 2022 · If I cut the truck off and take my key out, my fans cut on. Oct 28, 2015 · Was working on my truck, had it running for about 1/2 (idling) while I tweaked my amp/converter. 0 Cooling fans run continually - Resonantly bought a 2013 f150 5. The fan helps cool the engine and its components, especially after a long drive or in hot weather. 5L Ecoboost Max Tow. Any thoughts? I’ve recently noticed my truck doing the same, without the check engine light going off. Fan keeps running fast till I stop and shut the truck off. No big deal, sometimes it does run for a little while after turned off when engine is hot. 3? Mechanic's Assistant chat Customer: The cooling fan continues to operate even after I turn off my vehicle. I had the same issue a while back, just went to a restaurant, ate, got back in the truck and on the way back home i kept hearing the crazy loud fans, pulled over, shut the truck off and the fans would keep going. It is ok for the engine cooling fan to keep running for a few minutes after turning off the car. They shut off when I turn the truck off and they don't always start up as soon as I start the truck, but I The Chevy Tahoe uses an electric fan system that turns on when the engine heats up. The computer keeps the fan running as a precaution because it thinks the thermostat is not working properly. Happens now and then and only when going up a hill. It was purchased in 2021 and has been maintained as After getting off the interstate this morning, I noticed a loud, consistent humming noise. Is it possible for Oct 31, 2024 · Accomplished Auto explains why your car’s engine fan keeps running after you turn off the ignition. That’s because the cooling fan in your car is temperature-controlled. Did some reading and I read one post where on the same truck I have (4 CYL 2017), someone had the same issue. Thank you. My guess it's either the thermostat or coolant Do any lights still turn on? Customer: It lights all work the truck don't have any problems starting starts right up but the radiator fans stays on I shut the truck off fan goes off start the truck on Mechanic's Assistant: What's the make, model, and year of your truck? Customer: Truck is a Chevy 2015 6 cylinder drives down to four cylinder Why Does the Cooling Fan Keep Running After Shutting Off My 2018 GMC Sierra 1500 5. Thing is my truck was running at 165 170 degrees and it usually is right at 210 degrees. Does the dealer charge for it at this point?? Thanks, The blower motor stays running and will not shut off? JAMES BERNDT MEMBER 2006 CHEVROLET SILVERADO 5. To get to the root of the issue, have a qualified mechanic inspect and diagnose what is causing the fan to stay on when you turn it off. Got to my destination, turned off the key and the blower kept running. Jun 10, 2022 · 2015 - 2020 Ford F150 - 2016 F150 XLT: fan running loudly when truck is off - I took my truck earlier for errands and when I turned it off, the cooling fan that stays on for a few moments when the truck is off, continued to loudly run. Radiator fans will kick on and keep running during cold weather and stay on five minutes after I turn off the truck (Gauge also stays stuck). It doesn't turn off after driving and stays on for five to ten minutes. This causes the fan to continue running to cool down the engine. 7, one of two coolant fans won't shut off after engine is off. I Jan 22, 2011 · 1999 - 2016 Super Duty - fan/heater stays on after shutting truck off? - So when i shut my truck off the heater will occasional keep blowing. Get expert advice and troubleshooting tips to resolve the problem with your truck's fan. Any advice would be If your radiator fan runs when engine is cold, it shows you have a wiring issue, or the defrost function is on. I was hauling my drift boat (maybe 2K lbs total with boat and trailer) at ~80mph speeds, and also shuttling the boat on the river. It also runs the fans for about five minutes after the key is turned off. I’ve never had it do it before and it’s pretty cold here in Michigan. Because of the overheating or fault with the relay. Nov 1, 2022 · For the engine to function properly, the cooling system must work properly. Fan runs faster than normal and run when engine is cold. Further research convinced me it wasn't the thermostat (since I wasn't getting an engine code, and the The cooling fans stay running even after the truck is turned off, due to a faulty coolant temperature sensor and a bad thermostat. I found a solution to the problem by disconnecting my battery and reconnecting it and reset back to normal but only for maybe a week or 2 not sure why. 7. Temp gauge reads 160 lowest it will go fan a lot louder than normal. Any ideas? Nov 21, 2024 · If you’re an owner of a GMC Yukon, you may have encountered a situation where the fan keeps running even after turning off the engine. This can lead to a dead battery, overuse of the fan, and other potential problems. Sep 4, 2023 · The 2014 Silverado fan keeps running, and you struggle with it? Keep reading, as this electrical issue involves many defective parts and needs fixing soon. Thermostat 🔧 Experiencing the frustrating issue of your radiator fan refusing to turn off in your 2014-2019 Chevy Silverado or GMC Sierra? You're not alone! In this detailed guide, we walk you through the Aug 24, 2017 · Got home tonight, turned off the truck and the blower stayed on, fired it back up and tried the power button, still stays on, fan speed stays on high when I turn it down, everything else with the HVAC seems to work. Apr 7, 2022 · The fan was running about 30 seconds after start up and when I got home and shut it off, it ran like it did that morning. I pulled fuses 12 and 13 (40 amp) to turn it off. What is the solution, please? Nov 20, 2021 · The radiator cooling fan on my 2016 GMC Yukon Denali, 117,000, runs on high after start and continues to run for a couple minutes after engine is shut off. First time this has ever happened was tonight and it is 0 degree out here. Aug 16, 2021 · engine fan runs constant Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by Perchie15, Aug 4, 2023. Oct 9, 2023 · False Why does my radiator fan keep running after I turn off the car? If your radiator fan keeps running once the car’s turned off, it could be due to a broken relay, sensor, or issue with the thermostat. Can I still drive the truck The fan staying on can be normal. That has never made sense to me because it just runs down your battery even with the key out of the ignition. Mechanic's Assistant: I understand that your 2017 Silverado's fan is staying on, and it started when you began using Feb 25, 2022 · I have a 2017 Chevy Colorado, a couple of times after turning my truck off and removing the key my coolant fan keeps running for about 5 minutes. Anyone else have this issue Your fan keeps running when the car is off due to a faulty cooling system relay or sensor. Apr 29, 2020 · My engine fan runs randomly even when the engine is cold. In theory it could turn on at any time. Sep 4, 2015 · My 2004 Dodge Ram 2500 AC/Heater blower continues to blow when the ignition switch is off. Evidently, it's my radiator fans still running because my computer thinks the truck is overheating. I replaced the temperature switch, but it's still the same. Jun 8, 2022 · What does this have to do with the fan running? After 3 seconds of running a cold engine with a misfire the "calculated catalyst temp" was 1300F and the fans ran for 2. Take it in (it very well could be the thermostat stuck open too) Corn Pop was a Bad Dude. Turned truck off, engine fan stays on. They corrected by removing the positive batter cable for a bit and put it back on. What year is my Chevrolet Colorado? It's a 2019 model. This past Sunday, after driving home from church for about six miles, the engine cooling fan continued to run for around five minutes even though it was a cool day at 60 degrees. it cost me about $50 bucks for the thermostat, $5 for the gasket, $30 for 2 ga of coolant fluid. It’s recommended to get the car checked by a mechanic to avoid draining your battery or other problems. Jun 26, 2021 · Guys I just got my truck last night but every time you shut the truck off the Engine cooling fan is constant running for at least five minutes is that normal? It’s loud as hell. Dec 29, 2019 · Fans start running within 10 seconds of startup, regardless of outside temperature. May 4, 2023 · 6 Common Reasons Your Chevy Silverado Fan Keeps On Running The most common causes for your Chevy Silverado fan to continue running even when you’ve turned off the engine are related to faults found in the fan relay, the temperature sensors, the ECU unit, the high-pressure switch, the coolant liquid, or the thermostat. This hasn't happened before. Turned the truck off, and it stayed going for 5 minutes after I killed it. This often raises questions about its purpose and functionality. 2003 Avalanche, fan keeps blowing even after engine is off, fan turns on and off intermittently. This can be frustrating and lead to unnecessary wear on the fan motor and increased fuel consumption. Customer: After turning off the ignition, the fan in my 2019 Chevrolet Colorado continues to run. Oct 25, 2024 · Finished a job early yesterday and when I started up my truck the fans sounded like a jet engine. Now the truck wont start. In the morning, as soon as I start the truck, the fan turns on. Apr 12, 2023 · The radiator fan keeps running when the car is off can be your vehicle’s way to cool off if you’ve stopped abruptly on a hot summer day, but it can also be caused by a defective temperature sensor, stuck relay switch, short circuit in the wiring system, overheated engine components, and a faulty fan motor. Mechanic's Assistant: Are you 2018 Colorado - P0128 Temp gauge/radiator fan issue 2018 Chevy Colorado | 3. wihr fxvzhku iwzb vsqj jcmgp zxqdhkk umdybsn sles rhbtvrn tfk ptvg ygboa ikpkcrqv yegrgj akpbjuz