2016 Tahoe Fan Stays On2016 Tahoe Fan Stays On. Asked by almazanmike Apr 30, 2020 at 07:41 PM about the 2016 Chevrolet Silverado 1500 LT 4WD. Radiator Fan stays on. The cooling fan in your car keeps running long after the car is shut off due to a overheating or fault with the relay. to/35GvvXgHow To Repair Cooling Fan Constantly Running Radiator F. That's around the equivalent of emptying a room full of air every 15 seconds. The first thing that you would want to do is locate the fuse for your Tahoe's radiator fan and make sure that it hasn't blown. I replaced the temperature sensor in my 2016 chevy tahoe and I replaced the temperature sensor in my 2016 chevy tahoe and fan still stays on and temp gauge doesn't read … read more Amedee Automotive Consultant Vocational, Technical or Tra 2017 Tahoe the radiator fan stays on when car is turned off. Customer: 2017 Tahoe the radiator fan stays on when car is turned off and AC not running as well. Cut him off, let it sit for 30 minutes and WALLAH, only one cut on at start of motor as usual and it was back to the normal, low gear fan clutch blowing. Radiator Fan on full blast won’t turn off even with car off, …. No effect on my truck's performance. Engine running hot One of the first symptoms commonly associated with a bad or failing cooling. Dash temperature gauges aren't particularly accurate for more than, "Oh crap, it's overheating!" or "It's not warmed up yet" Reply Save Like. This can be caused by a number of things such as low coolant levels, a faulty thermostat, or a failing coolant fan switch. A malfunctioning cooling system can cause the engine to overheat and the fan to stay on. Im thinking the coolant temp sensor had a freakout and. It appears that the problem is with the Engine Coolant Temperature (ECT) sensor or its wiring. I replaced the temperature sensor in my 2016 chevy tahoe and fan still stays on and temp gauge doesn't read. Reconnected battery and started the truck up, coolant temp came up from 160 and the fan did not come on. The fan is connected to the [water pump] (/topics-water-pump/) which is run by the belt. How to fix it GMC Chevy Danny Johnson’s Garage 63. When air conditioning is selected, an indicator light will come on to let you know that the air conditioning has been activated. Chevy Tahoe: Radiator Fan Not Working Diagnosis. The situation when the car radiator cooling fan keeps running constantly can be caused mostly by a failing coolant temperature sensor or its wiring, broken fan start relay, damage to the electrical wires, and electronic engine control unit (ECU) problems. Already replaced the temp sensor heater works fine. I…">Radiator fan for my 2016 Chevy Tahoe ltz won’t turn off. The electric engine cooling fans may run after the engine has been turned. The radiator fan on our 2016 Tahoe just started continuously running and then stays on for a few minutes after the car is turned off. 2015 Tahoe the fan still runs for several…">When I turn off my 2015 Tahoe the fan still runs for several…. To understand how the cooling fan should work correctly, you need to know at what. The fan in the 2016 Tahoe remains on even when the vehicle is turned off. Radiator Fan on full blast won’t turn off even with car off, not running. If you typically read 210’F and now it’s at the 160’F mark you need to use a diagnostic scan tool to read actual temp the computer reads. It's fairly common for the fan to continue to run after the engine is turned off so it continues to draw air through the radiator and over the engine. Car Fan Still On When Engine Is Turned Off. See more Reply Save Like 2 V VAO · #10 · May 6, 2022 (Edited). Replace the thermostat and clear all the codes, should fix the issues. Have a 2015 Chevy suburban with 113000 miles. I replaced the temperature sensor in my 2016 chevy tahoe and fan still stays on and temp gauge doesn't read … read more Amedee Automotive Consultant Vocational, Technical or Tra 25,741 satisfied customers 2017 Tahoe the radiator fan stays on when car is turned off. Heater fan won’t stop running – GM products Heater fan won’t run, Heater fan won’t stop running – GM products, Ranier, Escalade, Avalanche, Silverado, Suburban, Tahoe, Sierra, Yukon, Envoy GM has issued a technical service bulletin (TSB) #06-01-39-002B to address problems with the front blower motor. 2016 chevy tahoe and…">I replaced the temperature sensor in my 2016 chevy tahoe and…. If your cooling fan runs for over 10 minutes after turning off the engine, you may have a problem that needs to be fixed. For those who enjoy the great outdoors, this fan is the perfect. my cooling fan stays on for several minutes after engine is shut off? temperature gage not reading? is it safe to drive the truck? 1 Answer 151,005 james answered 2 years ago It's safe to drive but you should check the wiring going to the coolant temperature sensor. Make sure right grade oil is being used. And bladed fans are by nature, loud. The 2016 Tahoe Fan Stays On is a powerful and easy to use accessory for your outdoor adventures. It's fairly common for the fan to continue to run after the engine is turned off so it continues to draw air through the radiator and over the engine. Fixing P0128 in the Chevy Tahoe is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Reconnected battery and started the truck up, coolant temp came up from 160 and the fan did not come on. It is okay for the engine cooling fan to keep on running for just a few minutes before it will turn off. Chevrolet Repair 2017 Tahoe the radiator fan stays on when car is turned off… Coolant temp readings on the computer should be 210-220 engine running Ok so something is reading wrong. 2017 chevy Tahoe fans are running even when the car is turn off and I replaced the cooling sensor. It is okay for the engine cooling fan to keep on running for just a few minutes before it will turn off. Pressing this button when the outside temperature. Reinstall the cabin air filter if necessary. This might be normal for some vehicles but not all vehicles. Sadly the problem started again with the exact same symptoms. One is based on comparing the coolant temperature to the outside air if the car has been off at least 8 hours. Radiator fan for my 2016 Chevy Tahoe ltz won’t turn off. This should not cause a safety or a reliability issue. Here are some possibilities causing the fan to stay running longer. The radiator fan is supposed to be activated at certain coolant temperature or the radiator might be on if you have the AC turned on. It will run for about 5 mins after read more ToddAuto. It's safe to drive but you should check the wiring going to the coolant temperature sensor. Check for a faulty radiator control module and do a replacement. It’s a real issue most car owners can relate to. My husband has already replaced the coo … read more. The 2016 Tahoe Fan Stays On is a powerful and easy to use accessory for your outdoor adventures. The fan sta">Have a 2015 Chevy suburban with 113000 miles. The radiator fan comes on when the engine is cold, even when first started after sitting all night. Stephen Curry of the Golden State Warriors drives to the basket off a pick from Draymond Green during the fourth quarter against the Los Angeles Lakers on May 2, 2023, in San Francisco. A/C worked, fans on normal speed, and the coolant temp read a normal temp. So the fan on engine off will start at 225 degrees water temp and will run for 300 seconds if your engine is off, like not even in accessory on, and the fan runs for more than 300 seconds then there is one of two problems: 1) there is a temp sensor failure or bcm hiccup 2) your water temp is over 254 and it’s in emergency mode. Here are the most common causes of P0128: Thermostat Stuck Open - Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. 2001 chevy impala: The temperature gauge stays at the starting temp. 6L SLT/SLE FAN CONSTANTLY RUNNING Linked Belowhttps://amzn. What are the 2016 chevy tahoe ac problems?. Reconnected battery and started the truck up, coolant temp came up from 160 and the fan did not come on. No error codes are showing no error codes are showing and I have had it for 2 years … read more. There are no warning lights and the temperature gage shows no heat in the engine. Fan runs faster than normal and run when engine is cold. after i shut the car off the fan stays on. A hot engine due to a very low coolant level may cause fan to run longer than normal after turning vehicle off. Slow then fast then back to slow. When the ECU doesn't get a signal from the ECT, it doesn't know if the coolant is too hot or not and so as a failsafe, it runs the fan at 100% to avoid overheating. PART NEEDED TO REPAIR 07-20 GM 3. Looked everywhere and can't find anything about this. Replaced the sensor - Answered by a verified Chevy Mechanic I replaced the temperature sensor in my 2016 chevy tahoe and fan still stays on and temp gauge doesn't read 2017 Tahoe the radiator fan stays on when car is turned off. Rachelds said: I have a 2015 Trax and I’ve had to replace the engine fan relay a couple times now. Radiator fan should not stay on all the time. My fans stay on when I turn my car on and my temperature. It appears that the problem is with the Engine Coolant Temperature (ECT) sensor or its wiring. Masonson said: So I disconnected the battery, let it sit for 20 min. The engine cooling fan may stay on for as short period of time after stopping the engine -- this is totally normal. The radiator fan on our 2016 Tahoe just started continuously running and then stays on for a few minutes after the car is turned off. A vehicle is composed of many components. GM has issued a technical service bulletin (TSB) #06-01-39-002B to address problems with the front blower motor. The DTC is set in the computer but the check. The reason I am confident the new thermostat will solve the problem is that the coolant temp went from 176* at operating temperature with the old thermostat to. Keep Cool in the Summer: How to Fix a 2016 Tahoe's Fan That …. I have a 2016 Chevy Tahoe LT. Solution to radiator fan continuing to run when engine is off. The most common causes that hinders normal operation of air conditioning system on your Chevy Tahoe are dirty cabin air filter, refrigerant leak, dirty or clogged condenser, dirty or clogged evaporator, bad blower motor, defective compressor, faulty blend door actuator or any fault in the electrical system. This module is normally located near the glove box. Wisconsin certified AMEDEE is online now Related Chevy Questions. The strange part was that when the problem happened the coolant temp gauge on the dash would drop to dead cold. Customer 150-160 sitting in the driveway just running Customer The AC isn't blowing cold either Customer The heater is working fine nice and hot Customer. The noise bothers my wife, which is the real problem. The P0128 OBD II trouble code indicates that your Chevy Tahoe’s engine coolant temperature has not reached its required operating temperature within a certain amount of time after starting the vehicle. Chevy Tahoe Fan Stays On (6 Reasons Fan Keeps Running) May 8, 2023 by Mike Lewis. The gauge on the dash reads between 185 and 210. The low speed relay is triggered by the PCM, then the 12V+ is passed thru the low speed relay normally open contact which closes when energized, to the first fan motor and then to the second fast speed relay normally closed contact, then to the second fan motor then to ground. Usually, the cooling fan relays work with direct power. No reading on temperature gauge. Any ideas would be greatly appreciated 2 Answers 21,330 Guru9FSV8 answered 2 years ago. “I definitely want to be in more pick-and-roll situations,” Steph Curry said in 2016 three days after a Christmas Day loss to the Cavaliers. There is a little black box on top of the cooling fan, at edge of good. ">Fan still running for a few minutes after truck turned off. Fan runs faster than normal and run when engine is cold. I'll be working on the car when it's the temp outside, so the engine will be about the temp is outside. The engine cooling fan may stay on for as short period of time after stopping the engine -- this is totally normal. I replaced the temperature sensor in my 2016 chevy tahoe and fan still stays on and temp gauge doesn't read … read more Amedee Automotive Consultant Vocational, Technical or Tra 25,741 satisfied customers 2017 Tahoe the radiator fan stays on when car is turned off. My temperature gauge randomly drops to cold which makes the fan come on. Radiator fan comes on when engine is cold. When a thermostat is stuck open, it allows coolant. That would put me in the 40 - 70 degree range which would read 7500 - 3400 ohms. It will run for about 5 mins after … read more ToddAuto Snr Mechanic Automotive Mechanics 533 satisfied customers Replaced temp censor on 2017 Tahoe. One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. The cooling fan usually shuts off within a few minutes of the engine being shut off. Unless the wiring issue is fixed, the fuse will blow again. Both normal cooling and K5L have 5 blades, but the heavy duty ones (rpo K5L) have dual 700 watt motors which really move some air. Mark helpful 60 GuruD2MQ answered 6 years ago. It has a couple relays inside it. I replaced the temperature sensor in my 2016 chevy tahoe and fan still. 2012 got the second design, the non rim fan blades. The reason I am confident the new thermostat will solve the problem is that the coolant temp went from 176* at operating temperature with the old thermostat to 203* after I installed the new thermostat. The fan clutch operates separately form the water pump. If it stays on for a half hour or something, then definitely have it looked at. Watch the temp gauge, if it ever stays at 160 (cold) and your coolant isn't low get yourself a thermostat. GM Silverado radiator fan stays on (SENSOR GOOD THERMOSTAT BAD) Raudel Solis 460 subscribers Subscribe 55K views 3 years ago This video covers the part that needs to be replaced when your GM. Aug 2, 2020 #4 OP C ColoradoTexN TYF Newbie Joined Aug 2, 2020 Posts. So, it's usually around 40-60 degrees everyday. Your vehicle fan might run for a few minutes after you have turned off the engine. Leadfoot67. 9K subscribers Subscribe 136 Share 35K views 3 months ago. Temperature gauge not working and engine fan still blowing ">Temperature gauge not working and engine fan still blowing. Im thinking the coolant temp sensor had a freakout and the electric fans just fail-safe turned on. There is a little black box on top of the cooling fan, at edge of good. Before you continue reading, we hope that you find the links on our website useful. If it stays on for a half hour or something, then definitely have it looked at. Automotive Expert There really isn't anything else it could be. How long have you had this problem? one week Tags: chevrolet, tahoe 1 reply Report Answer Popular Answer pushrod on December 22, 2020 Do you mean the temperature gauge never moves? Sign in to reply Get it fixed today at a shop near you. This can be caused by a number of things such as low coolant levels, a faulty thermostat, or a failing coolant fan switch. Dash temperature gauges aren't particularly accurate for more than, "Oh crap, it's overheating!" or "It's not warmed up yet" Reply Save. This is normal and indicates that the cooling system is functioning properly. The second group of faults is based only on the coolant temperature sensor. If you notice that your engine is running at higher temperatures than normal. 2017 Tahoe the radiator fan stays on when car is turned off. Today, and Ask an Expert Car Questions Chevrolet Repair AMEDEE, CHEVY TECHNICIAN 38,996 Satisfied Customers ASE certified tech ADVANCED LEVEL SPECIALIST. Electric Radiator Fans running more than usual. GM Silverado radiator fan stays on (SENSOR GOOD. As you may know, the coolant fan switch helps to maintain the proper coolant temperature by turning on. That is where the coolant temps are supposed to be when the engine is fully warmed up. That error will kick on the fans but does not disable the temperature gauge. Look out for a stuck cooling fan relay. I replaced the temperature sensor in my 2016 chevy tahoe and fan still stays on and temp gauge doesn't read. I wouldn't worry about it unless it runs for hours. I have posted here before about an intermittent problem with the radiator fan staying on after the engine is shut off. As you may know, the coolant fan switch. Radiator Fan on full blast won’t turn off even with car off. So the fan on engine off will start at 225 degrees water temp and will run for 300 seconds if your engine is off, like not even in accessory on, and the fan runs for more than 300 seconds then there is one of two problems: 1) there is a temp sensor failure or bcm hiccup 2) your water temp is over 254 and it’s in emergency mode. Ask Your Own Chevy Question Chevy Mechanic: david craig. It's a real issue most car owners can relate to. I replaced the temperature sensor in my 2016 chevy tahoe and I replaced the temperature sensor in my 2016 chevy tahoe and fan still stays on and temp gauge doesn't read … read more Amedee Automotive Consultant Vocational, Technical or Tra 2017 Tahoe the radiator fan stays on when car is turned off. Question type: Maintenance & Repair. I have a 2016 Chevy Tahoe LT. Radiator fan should not stay on all the time. Thanks for this post because it REALLY helped me. “I definitely want to be in more pick-and-roll situations,” Steph Curry said in 2016 three days after a Christmas Day loss to the Cavaliers. P0128 Chevy Tahoe: Meaning, Causes, How to Fix. I replaced the temperature sensor in my 2016 chevy tahoe and…. When the ECU doesn't get a signal from the ECT, it doesn't know if. Customer 228 days ago Ok thanks! JimwF 228 days ago Automotive Expert. Reconnected battery and started the truck up, coolant temp came up from 160 and the fan did not come on. I have seen it kill the AC on other vehicles too. The wiring harness itself can go bad. Sounds like the sensor is unplugged. It's fairly common for the fan to continue to run after the engine is turned off so it continues to draw air through the radiator and over the engine. fan for my 2016 Chevy Tahoe ltz won’t turn off. So you've turned off your Chevrolet Tahoe, but you can hear the radiator fan whirring. It is okay for the engine cooling fan to keep on running for just a few minutes before it will turn off. I see you replaced the temp sensor. If you find that the fan stops running immediately, the issue lies with the sensor. GM has issued a technical service bulletin (TSB) #06-01-39-002B to address problems with the front blower motor. Is your check engine light or service engine soon light on? If so I'd bet you have a code for the coolant temperature sensor. cooling fan stays on after engine is shut off?. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. Since the fan is running all the time, I don’t think you’ll have any major issues when you go on your trip. Fan running continuously Replaced temp censor on 2017 Tahoe. These factors can cause excess heat in the engine that the computer is trying to cool off from the coolant. The fans stay in at full speed for a bout 2 mins s after I turn off the car. Also the temperature gauge stays stuck on cold and does not go up no matter how long I drive it. Usually a faulty cooling fan relay will produce a few symptoms that can alert the driver that service may be required. Symptoms of a Bad or Failing Cooling Fan Relay. It will run for about 5 mins after … read more ToddAuto Snr Mechanic Automotive Mechanics 551 satisfied customers Radiator fans will not cut off. I'll be working on the car when it's the temp outside, so the engine will be about the temp is outside. 2015 Yukon XL temp gauge at 0 and radiator fan running. The radiator fan stays on when the engine is off. recently after an oiled change, the fan is running at full speed as soon as I start the car and a message appears on the dash the reads something like ac is turned of to avoid engine overheat. The fan in the 2016 Tahoe remains on even when the vehicle is turned off. For those who enjoy the great outdoors, this fan is the perfect way to stay cool and comfortable during sweltering hot days. Temperature gauge not working and engine fan still blowing when car is turned off 760 Asked by GuruN2Z5 Dec 29, 2018 at 08:11 PM about the 2016 Chevrolet Camaro 1LT Coupe RWD Question type: Maintenance & Repair I have a 2016 Chevy camero my temperature gauge is not reading anything and my engine fan still blowing after I turn car off. GM Silverado radiator fan stays on (SENSOR GOOD THERMOSTAT BAD) Raudel Solis 460 subscribers Subscribe 55K views 3 years ago This video covers the part that needs to be replaced when your GM. Why does the car’s cooling fan keep running?. How to fix it GMC Chevy Danny Johnson's Garage 63. My cooling fan will not shut off after i turn off the engine? Why?. Fan keeps running on radiator. 2016 temp gauge not working, radiator fan runs constantly, 3. WHY RADIATOR FAN STAYS ON ALL THE TIME. Fan keeps running on radiator. Your vehicle fan might run for a few minutes after you have turned off the engine. Radiator Fan Wont Turn Off On Chevy Silverado 1500 …. 2017 Tahoe the radiator fan stays on when car is turned off and AC not running as well. fan stays on after truck shut off. Your 2016 Chevrolet Tahoe air conditioning could be having problems for a wide variety of reasons. Does anyone know what the problem could be? 2 Answers 400 nosyboss answered 7 years ago Have your thermostat checked. Watch the temp gauge, if it ever stays at 160 (cold) and your coolant isn't low get yourself a thermostat. Chevrolet Repair 2017 Tahoe the radiator fan stays on when car is turned off… Coolant temp readings on the computer should be 210-220 engine running Ok so something is reading wrong. after driving for about 10 minutes the check engine light came on, and now stays on. Radiator Fan Wont Turn Off On Chevy Silverado 1500. Are Warriors fans right to beg for more Steph Curry pick. Fan Still Running When Car Is Off (Why And What To Do?). Radiator fan won't turn off. radiator fan on 2016 chevy tahoe keeps running. The radiator fan comes on when the engine is cold, even when first started after sitting all night. This code can appear as soon as you start your vehicle, or it can also occur while driving. Radiator fan comes on when engine is cold. Radiator Fan on full blast won’t turn off even with car off, not running. s cooling fan keep running?. low coolant level, faulty coolant temperature sensor, PCM or ECU defective coolant leaks from the water pump, cracked radiator,. If the condenser is the problem, the good news is that it may be. Verify proper HVAC system operation. In some cases in cold weather the blower motor may not run, or if it does, it may not shut off when you turn off the vehicle. That was a couple of weeks ago, and I assumed the battery disconnect caused a re-boot if you will, and hoped the problem to just be an anomaly. My temperature gauge randomly drops to cold which makes the fan come on. Radiator fan comes on when engine is cold. How long have you had this problem? one week. Asked by brianp77 Sep 10, 2015 at 05:46 PM about the 2011 Chevrolet Silverado 1500 LT 4WD. It will run for about 5 mins after the vehicle turns off. Remove the protective cover from inside the vehicle. Stays the same operating temp it always has. There is another system that only allows the fans to run 2 minutes after the car is turned off which also matches. The radiator fan stays on when the engine is off. My radiator fans are all out off whack (simply put). I have had problems with the coolant system I change the coolant reservoir and water pump about 4 months ago and thermostat a little bit over a year. We replaced one of them and so far I haven’t had a problem. Ok, that does sound like an issue then. Usually a faulty cooling fan relay will produce a few symptoms that can alert the driver that service may be required. Stays running and drains battery after I turn it off. Just had to replace my battery as well and I replaced my other relay inside my fuse panel. So you’ve turned off your Chevrolet Tahoe, but you can hear the radiator fan whirring. Heater fan won’t stop running – GM products Heater fan won’t run, Heater fan won’t stop running – GM products, Ranier, Escalade, Avalanche, Silverado, Suburban, Tahoe, Sierra, Yukon, Envoy GM has issued a technical service bulletin (TSB) #06-01-39-002B to address problems with the front blower motor. So you’ve turned off your Chevrolet Tahoe, but you can hear the radiator fan whirring. 9K subscribers Subscribe 136 Share 35K views 3 months ago Coolant temp. The radiator fan on our 2016 Tahoe just started continuously running and then stays on for a few minutes after the car is turned off. Hope that helps! Jim 4 people found this helpful. Eddie9085 said: I have a 2013 Chevy Malibu 2. It will run for about 5 mins after read more ToddAuto Snr Mechanic Automotive Mechanics 551 satisfied customers Radiator fans will not cut off. Radiator Fan on full blast won't turn off even with car off, not running. I replaced the temperature sensor in my 2016 chevy tahoe and fan still stays on and temp gauge doesn't read. The A/C system also can cause the fan to stay on to dissipate the heat. Need to check what the coolant temp is reading. Unhooking battery was my next alternative before the Chevy $$$ service department. Tahoe the radiator fan stays on when car is turned off ">2017 Tahoe the radiator fan stays on when car is turned off. Need help 15 Tahoe fan stay on after turning it off. Even with cold engine and cool outside temperatures, the high fan kicks in. Sign in to reply Get it fixed today at a shop near you Good news! We found 5 RepairPal Certified shops near you. That said, some of the most common issues are related to a condenser leak (most common), a problem with the AC compressor, or a problem with the electric climate control. The PCM is watching for it to warm up, if it doesn't it runs the fan and it will set a code and turn on the CEL eventually. Chevy Tahoe AC not working. Here's a few you can book directly with. The reason behind this could be faulty temperature sensors or some issue with the cooling fan or ECU unit. The radiator fan stays on when the engine is off. Remove the drain pan from underneath the vehicle. Already replaced the temp sensor Ask an Expert Car Questions Chevrolet Repair 2017 Tahoe the radiator fan stays on when car is turned off… Ask Your Own Chevy Question Related Chevy Questions read more satisfied customers DarrenD41 Service Manager, Service T. They move a metric **** ton of air, on the order of 5000CFM with a fair bit of static pressure to boot. Asked by Visitor in Bakersfield, CA on December 22, 2020. no engine codes JA: When was the last time sensor was replaced? Do you need help finding the exact parts?. There are two classes of detected faults related to coolant temperature. I have a 2016 Chevy Tahoe LT. Mark helpful #1 Rowefast Reputation 10,150 #2. No error codes are showing no error codes are showing and I have had it for 2 years read. The TSB applies to the following vehicles with automatic temperature control: 2004-2007 Buick Rainier. Engine cooling fan always on when running, a/c. 2017 chevy Tahoe fans are running even when the car is turn. So, the water pump cannot turn freely with the belt installed. Im thinking the coolant temp sensor had a freakout and the electric fans just fail-safe turned on. The do cycle on and off, but they are on way to much and seem like they go straight to high. This article will answer why your Chevy Tahoe fan keeps running and how you can solve that. “Whether I’m getting shots or whether we’re. Fan Still Running When Car Is Off (Why And What To Do?)">Fan Still Running When Car Is Off (Why And What To Do?). Shut off the engine and enable the compressor again. Ok so the main reason the fan would stay on is if the computer reads higher engine temps. WHY RADIATOR FAN STAYS ON ALL THE TIMEIf your radiator fan stays on all the time when the car is started or with the ignition being on we will explain what i. This is normal and no service is required. Fans run like the engine is overheating, coolant gauge. The fans stay in at full speed for a bout 2 mins s after I turn off. Wisconsin certified AMEDEE is online now Related. Cut him off, let it sit for 30 minutes and WALLAH, only one cut on at start of motor as usual and it was back to the normal, low gear fan clutch blowing. Radiator Fan on full blast won’t turn off even with car off, not running. The situation when the car radiator cooling fan keeps running constantly can be caused mostly by a failing coolant temperature sensor or its wiring, broken fan start relay, damage to the electrical wires, and electronic engine control unit (ECU) problems. So you’ve turned off your Chevrolet Tahoe, but you can hear the radiator fan whirring. The fans will change to low speed when additional cooling is no longer required. The radiator fan on our 2016 Tahoe just started continuously running and then stays on for a few minutes after the car is turned off. This is happening to our 2015 Trax also, I bought a relay and a coolant temp sensor. But check for why it is happening: Check coolant level. As you may know, the coolant fan switch helps to maintain the proper coolant temperature by turning on and off at specific temperature thresholds. Any ideas would be greatly appreciated. gherbert. The fans will change to low speed when additional cooling is no longer required. Shut off the engine and enable the compressor again. They got some oomph to 'em, but they shouldn't be deafening by any means Oct 9, 2018 #9 drakon543. Radiator Fan on full blast won't turn off even with car off, not. I have '13 K5L fans in my 09 tahoe which used to have the first design 7/9 rimmed blades. When this switch is not working properly, this can cause the fans. I replaced the temperature sensor in my 2016 chevy tahoe and …. “I definitely want to be in more pick-and-roll situations,” Steph Curry said in 2016 three days after a Christmas Day loss to the Cavaliers. Automotive Expert There really isn't anything else it could be. A mechanic will check under the hood where your Tahoe’s radiator hose meets the thermostat housing.