2016 silverado fan stays on

55,500 satisfied customers. 2016 Silverado high country 6.2L gas. Just replaced stock. Just replaced stock with a borla cat back exhaust approx. 10 months ago. Check engine light just showed up a few days ago and my GM issue … read more.

1 day ago · Asked by e028923 Apr 21, 2019 at 07:42 PM about the 2014 Chevrolet Silverado 1500 LT 4WD. Question type: Maintenance & RepairJan 5, 2016 · 3. Cooling fans stay on at all times. If the cooling fans are staying on at all times, this is another (less common) symptom of a possible problem with the cooling fan relay. If the relay shorts internally, it may cause power to be permanently switched on, which will cause the fans to run at all times. 1 day ago · Asked by e028923 Apr 21, 2019 at 07:42 PM about the 2014 Chevrolet Silverado 1500 LT 4WD. Question type: Maintenance & RepairThe radiator fan stays on when the engine is off. Fan runs faster than normal and run when engine is cold. Replace the thermostat and clear all the codes, should fix the issues. ...more. 2014...2016 Chevy Silverado Fan Wont Shut off. The 2016 Chevy Silverado has an electric cooling fan that is controlled by the vehicle’s computer system. If this fan does not shut off, it is likely a problem with …The 2016 Chevrolet Silverado has 3 different fuse boxes: Engine Compartment Fuse Block diagram. ... (Cooling Fan 1) undefined. Fuse FMX/JCase . 40A: 13 (Cooling Fan 2) undefined. Fuse MINI . 10A: 14: Trailer Stop/Turn Lamps, Left. Fuse MINI . 20A: 15: Trailer Parking Lamps. Fuse MINI . 10A: 16: Trailer Back-up Lamp.Radiator fans keep running. Have a 2014 Chevy Silverado 1500. 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). 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 ...

Low speed operation is due to 12V power being passed on to the two cooling fan motors in series. When you turn off the engine, and the fans operate on low speed, pull out the third relay and see if the fans stop. I shut the engine off the fans are running I pulled the far right (Fan relay 1) the fans stopped running.44.8K subscribers Subscribe 480K views 2 years ago UNITED STATES Welcome back to the channel! In this video Sean goes over why the radiator fan won't turn off on your 2014 - 2019 Chevy...Aug 2, 2020 · Engine Fan If the vehicle has electric cooling fans, the fans may be heard spinning at low speed during most everyday driving. The fans may turn off if no cooling is required. Under heavy vehicle loading, trailer towing, high outside temperatures, or operation of the air conditioning system, the fans may change to high speed and an increase in ... Engine Fan If the vehicle has electric cooling fans, the fans may be heard spinning at low speed during most everyday driving. The fans may turn off if no cooling is required. Under heavy vehicle loading, trailer towing, high outside temperatures, or operation of the air conditioning system, the fans may change to high speed and an increase in ...check if a/c is on this would activate fans to cool condenser when parked. you would need to look at wire schematic to be sure for that model, very likely. 5 people found this helpful. Mark helpful. 2016 Chevrolet Silverado 1500 LT 4WD. 2005 Chevrolet Silverado 1500.Sep 14, 2023 · The radiator cooling fan on some vehicles doesn’t even engage until after the coolant reaches nearly 230 degrees. So if the engine is expecting 200-230°F (most thermostats open at just under 200°F) but the ECM only sees 170°F, well, you can see why the ECM/PCM algorithm would store the code and illuminate the MIL.Jefesito 477 subscribers Subscribe 58K views 3 years ago This video covers the part that needs to be replaced when your GM vehicle marks no engine temperature on the dashboard. Other symptoms may...

The 2014 Chevy Silverado cooling fan relay is located in the engine compartment which is on the right-hand (driver) side under the hood. If the problem persist, the just take out the plug of the coolant temperature sensor, as shown in the video and replace the sensor.Coolant temp sensor replacement Thermostat & Coolant temperature sensor replacement: Yukon, Tahoe, Sierra, Silverado, Escalade GMhttps://youtu.be/7mJF5LQ3oPs...3. Warm Air is Blowing. When you turn on the air conditioning, you expect to feel cold air pour out. However, when the AC pressure switch goes bad, warm air might be all you get. However, this problem is also caused by low refrigerant levels, which should be checked regularly. 4.RayVoy · #2 · Nov 6, 2018. Yes, relay contacts could cause this; but, you have eliminated the relay. The ECM badly ever fails, so let's look at why the ECM would command the fans on. The ECM reacts to inputs, in this case, the information from the temperature sensor. So, it would have to be a problem with the engine temp sensor, or the wiring ...Jan 19, 2018 · Dash Lights Stuck On? NO Blower Motor? Replace THIS FIRST! Dodge, Chevy, Chrysler Dash Lights Stay On? CheapGeek's Amazon Page-https://www.amazon.com/shop/c...

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Jan 8, 2022 · But check for why it is happening: Check coolant level. Check Engine Oil Level. Make sure right grade oil is being used. These factors can cause excess heat in the engine that the computer is trying to cool off from the coolant. 2017 Colorado Z71 3.6L V6 4WD Extended Cab Summit White. 2000 Pontiac TransAm WS6 5.7L V8 LS1 6 Speed Manual RWD Black. I am having the same issue with my 2016 Yukon slt. All fans began running (temp gauge at zero, fans ran when vehicle was turned off and continued to run when restarted) at almost 100,000 miles. I replaced the coolent temp sensor and it seemed to have fixed the problem for a couple months. The problem began again so I bought …A faulty cooling fan relay can also negatively affect air conditioning (A/C) performance. The reason being, on most vehicles, is that the cooling fan doubles as a condenser fan. When the A/C is turned on, the fan moves air across the A/C condenser, thereby removing heat from the refrigerant, which changes from a vapor to a liquid state as it ...The fact that the fans are always on could be caused by a missing ECT value. If the PCM is not able to determine the coolant temperature, it will activate the fans at all time to make sure the engine will not overheat. Ask Your Own Chevy Question. Chevy Mechanic: [email protected] your car fan stays on even after the engine is turned off, you may have a faulty coolant temperature sensor. In modern cars, most of them are controlled by an engine control unit or ECU. The engine control unit or ECU is getting its signal from the coolant temperature sensor. 3. Leakage In The Coolant.Table of Contents [ hide] Why Radio Stays on When Car is Off And Door is Open. How to Turn Off a Non-Turning Car Radio. Step 1: Inspect the head unit wiring. Step 2: Take a look at the ignition switch. Step 3: Mind your ignition cylinder and key. Step 4: Check if your radio can stay on for a specific period.

Master Automotive Technici... 2014 GMC Sierra 1500 V6. Both cooling fans run at full speed. 2014 GMC Sierra 1500 V6. Both cooling fans run at full speed the entire time the truck is running and for about 5 mins after I turn it off. Temp gauge … read more.Bad Fan Relay. You happen to possess a 2014 Chevy Silverado and observe that the radiator fan persists in running. The first thing you should check is your fan relay. A defective fan relay may be the culprit. The role of the fan relay is to function as a switch that activates or deactivates the cooling process. It will depend on the engine ...Aug 16, 2011 · Subject: 11046 - Special Coverage Adjustment - Heating, Ventilation, and Air Conditioning Blower Not Fully Functional on All Blower Speeds, Inoperative, or Runs Continuously with the Ignition Off. Models: 2003-2006 Chevrolet Avalanche, Suburban, Tahoe. 2003-2007 Chevrolet Silverado. 2003-2006 GMC Yukon, Yukon XL. If your test proves incoming power, replace the fan motor. Check for any blown fuses or a tripping breaker. If your find a circuit blown fuse or tripped breaker, the fan motor might be pulling too much voltage, causing the fault. Check for a shorted wire or replace the fan motor.The fan in a 2015 Chevrolet Silverado should be turned off manually. 2015 Chevrolet Silverado Fan Stays On . The 2015 Chevrolet Silverado fan stays on issue has been a source of great concern for many owners. This issue can lead to a dangerously overheated engine, excessive fuel consumption, and even the possibility of an engine fire.ma7amad. 277 posts · Joined 2012. #6 · Nov 12, 2014. agree with drunken elvis and speed freak suspect the engine coolant temp sensor may it failed or wires cut or plug damaged the default of unreading signal from ect is to run electrical fans continuously by ecm. chevy malibu 98 3.1 l. range rover 98 autobiography. range rover 4.6 l 2001 HSE.To understand how the cooling fan should work correctly, you need to know at what temperature the electronic control unit (ECU) turns de radiator cooling fan on. Another way to find out is to look at the data on the fan enable sensor located in the radiator. Usually, it is in the range of + 87 and + 95 ° C (188 and 194 F).Jan 5, 2016 · 3. Cooling fans stay on at all times. If the cooling fans are staying on at all times, this is another (less common) symptom of a possible problem with the cooling fan relay. If the relay shorts internally, it may cause power to be permanently switched on, which will cause the fans to run at all times. Fans start running within 10 seconds of startup, regardless of outside temperature. 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. Fans stop almost immediately after turning off the ignition. I have not experienced a dead battery, or loss of battery voltage.Conclusion. Car fans staying on after the engine is turned off may be caused by several reasons, such as low coolant level, malfunctioning cooling system, still-on A/C system, electrical issues, or computer control. A low coolant level can cause the engine to run hot, resulting in the need for the fan to run more frequently to keep the engine cool.

18 posts · Joined 2022. #1 · Apr 7, 2022. Hello all. I recently bought a 2017 and after driving it about 1500 miles (74500k on vehicle), Something strange started happening. When I got to work yesterday, I noticed the fan running after I shut the engine off. I opened the hood, checked the coolant it was good. Felt the hoses they were luke ...

To do this, unplug the battery cables for about 10 minutes. Put them back on and insert your key, but don’t turn the car engine on. Move the key to the on mode, and wait for 5 seconds before turning it off. Repeat the on and off process thrice and this should re-program the climate control problem.Apr 21, 2023 · before I changed the temperature sensor my radiator fans would stay on even with vehicle off. then I broke the clip on the connector for the temperature and spliced on a new connector. after I did all that my temperature gauge still went up fast. so I changed out my thermostat and tested it and then the temperature gauge went up even faster. now that I have a scan tool plugged in the gauge on ... Sep 23, 2023 · This is why your fan may stay on for a longer period even after you have turned off the ignition. 3. Check engine fan relay. Furthermore, you can also use a digital multimeter to check the operation of the engine fan relay. In this case, if the fan turns off, then the relay is faulty. 4. Mar 6, 2023 · 2015 Radiator Fan/Coolant Temp Issue. 2015 GMC Sierra 5.3. 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. I replaced the coolant temp sensor and the problem is still there. It could be related to faults found in the fan relay, temperature sensors, ECU unit, high-pressure switch, coolant liquid, or the thermostat. Additionally, it may be programmed to run the cooling fan to blow air at the turbo to prevent “coking” the oil when the car is shut off. To troubleshoot the issue, you can check your engine coolant ...I am having the same issue with my 2016 Yukon slt. All fans began running (temp gauge at zero, fans ran when vehicle was turned off and continued to run when restarted) at almost 100,000 miles. I replaced the coolent temp sensor and it seemed to have fixed the problem for a couple months. The problem began again so I bought …Subject: 11046 - Special Coverage Adjustment - Heating, Ventilation, and Air Conditioning Blower Not Fully Functional on All Blower Speeds, Inoperative, or Runs Continuously with the Ignition Off. Models: 2003-2006 Chevrolet Avalanche, Suburban, Tahoe. 2003-2007 Chevrolet Silverado. 2003-2006 GMC Yukon, Yukon XL.

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2016 Chevy Silverado Fan Wont Shut off. The 2016 Chevy Silverado has an electric cooling fan that is controlled by the vehicle’s computer system. If this fan does not shut off, it is likely a problem with …To understand how the cooling fan should work correctly, you need to know at what temperature the electronic control unit (ECU) turns de radiator cooling fan on. Another way to find out is to look at the data on the fan enable sensor located in the radiator. Usually, it is in the range of + 87 and + 95 ° C (188 and 194 F).Jan 14, 2020 · 1 post · Joined 2020. #1 · Jan 13, 2020. I have a 2013 Chevy Malibu 2.5 Lt. 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 fans stay in at full speed for a bout 2 mins s after I turn off the car. Do you have a Cherolet or GMC vehicle with a blower motor that won't turn off even after removing the key? Well then this video is for you. Jul 14, 2021 · After inspecting the belt, there can only be two things left that could be happening: 1. The clutch is not getting a signal to turn on. This indicates some form of wiring problem. -or-. 2. The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. 2.Do you have a Cherolet or GMC vehicle with a blower motor that won't turn off even after removing the key? Well then this video is for you.Aug 1, 2016 · 26 posts · Joined 2016. #2 · Aug 1, 2016. I've got the same thing going on and I've asked the same. I thought maybe any performance, aftermarket parts or anything to keep the engine nice and cool but all I got was let the fans do its job. And to clean the radiator stacks. This is my first diesel so I was pretty worried that I was going to OH ... Are you a fan of British television? Do you find yourself constantly searching for the latest shows and releases? Look no further than BritBox, the popular streaming service that brings you a wide range of British content.The 2016 Chevrolet Silverado has 3 different fuse boxes: Engine Compartment Fuse Block diagram. ... (Cooling Fan 1) undefined. Fuse FMX/JCase . 40A: 13 (Cooling Fan 2) undefined. Fuse MINI . 10A: 14: Trailer Stop/Turn Lamps, Left. Fuse MINI . 20A: 15: Trailer Parking Lamps. Fuse MINI . 10A: 16: Trailer Back-up Lamp.In many GM cars and trucks (Chevrolet Trailblazer, Silverado, HHR and other models) the code P0128 is often caused by a sticking thermostat. In some GM cars when the code P0128 is set, the temperature gauge stops working and the radiator fans run constantly. Replacing the thermostat often solves the problem unless there are other …39,525 satisfied customers. 2014 Chevy 1500 Silverado V6 radiator cooling fan keeps. 2014 Chevy 1500 Silverado V6 radiator cooling fan keeps coming on. I already replace the temperature control, it quit for 2 weeks and now comes … read more.The emergence of live streaming platforms has revolutionized the way we consume sports content. With the advent of NFHS Network Live, high school sports fans now have an unprecedented opportunity to stay connected with their favorite teams ... ….

Low speed operation is due to 12V power being passed on to the two cooling fan motors in series. When you turn off the engine, and the fans operate on low speed, pull out the third relay and see if the fans stop. I shut the engine off the fans are running I pulled the far right (Fan relay 1) the fans stopped running.check if a/c is on this would activate fans to cool condenser when parked. you would need to look at wire schematic to be sure for that model, very likely. 5 people found this helpful. Mark helpful. 2016 Chevrolet Silverado 1500 LT 4WD. 2005 Chevrolet Silverado 1500.It’s usually normal for a fan still running when car is off for several minutes. This phenomenon cools down the generating engine’s heat, extending the engine’s lifespan. However, in case of the fan running when car is off for a long time, there are problems with the cooling system. Check related components, such as coolant level ...Dec 28, 2020 · Bump fan relay while they are running and engine cool may stop fans if it’s the relay ,Is vehicle shifting correctly low coolant can do this to trans and fans. Last but not least thermostat may be sticking . It’s nothing major something reflectively small I would think. Good Luck with your Tahoe they are good trucks. 8 people found this ... Aug 2, 2020 · Engine Fan If the vehicle has electric cooling fans, the fans may be heard spinning at low speed during most everyday driving. The fans may turn off if no cooling is required. Under heavy vehicle loading, trailer towing, high outside temperatures, or operation of the air conditioning system, the fans may change to high speed and an increase in ... 142 Answers. The most likely cause is due to the radiator fan constantly running and the engine not getting to operating temperature, thats why your temp gauge isnt going up, check all related wiring to the cooling fan and make sure there no bare wires that could be causing a short to ground causing the fan to constantly run, secondly check the ...Mar 6, 2020 · RADIATOR FAN STAYS ON ALL THE TIME CHEVY, CHEVROLET, GMC, BUICK, CADILLAC Car Scanner: https://amzn.to/2G5lxTi Check out our Amazon Store for the tools and... Replace The Thermostat. Replacing the thermostat can be another solution to the problem of Chevy Silverado fans running. A faulty thermostat can cause the engine to overheat, which in turn can cause the fans to keep running. Use a code reader for the diagnosis. The cost of replacing the thermostat can vary. 2016 silverado fan stays on, Asked by GuruKC5WZ Dec 07, 2019 at 02:07 PM about the 2014 Chevrolet Silverado 1500 LT RWD. Question type: Maintenance & Repair. My coolant temperature on a 2014 Chevy. Silverado 1500 stays on 160 degrees and the. Radiator fan runs on high after the engine is. turned off., Rugby is a thrilling sport that has captivated fans all over the world. Whether you’re a die-hard fan or just starting to get into the game, staying up-to-date with rugby live is essential to never missing a game., Jan 30, 2011 · JC1843 said: The engine fan is controlled by the temperature through the radiator-- however, when you start it, the fluid inside has settled and causes the fan clutch to drag until warmer. Normal operation. That's not true on the LML's. It was up until 2010 though. It is now electronically controlled. , Additionally you can try tapping on the cooling fan main relay (under hood fuse box) to see if the fan operation stops. In the absence of a scanner anytime component that is connected to a control module is not operating properly, a hard reset is always worth a shot. Hard Reset – Disconnect both battery cables., May 27, 2023 · Mylink/Intellilink (2014-2016) Press the home and fast-forward buttons for at least 10 seconds. GM infotainment (2017-2019) Press the Onstar call button, then hang up., My 2016 Silverado’s fans stay on after turning it off. They stay on for about 5-10 minutes. Temperature gauge moves when I turn the truck on but stays at 160. I changed the coolant temperature sensor & the thermostat but the problem remains. Anyone come across this? Appreciate any help , I checked the alternator which was bad, producing less than 4 volts. I replaced it with a rebuilt alternator producing maximum 13.4 volts and it fixed the charging problem. I checked the battery and it was good. Although the charging system is working, producing 13.4 volts, Now my battery light stays on and message reads "Check Charging System"., After inspecting the belt, there can only be two things left that could be happening: 1. The clutch is not getting a signal to turn on. This indicates some form of wiring problem. -or-. 2. The AC compressor is getting a command to turn on but is no longer able to, which would indicate that it needs replacing. 2., The Silverado cooling fan may continue running uncontrollably in case of a defective ECU. To rectify the problem, it becomes imperative to replace the damaged ECU., Usually a faulty cooling fan relay will produce a few symptoms that can alert the driver that service may be required. 1. Engine running hot. One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. If you notice that your engine is running at higher temperatures than normal ..., Are you a fan of drawing and looking for new ways to stay entertained and inspired? Look no further than drawing art games. These addictive games not only provide hours of fun but also help improve your artistic skills., 39,525 satisfied customers. 2014 Chevy 1500 Silverado V6 radiator cooling fan keeps. 2014 Chevy 1500 Silverado V6 radiator cooling fan keeps coming on. I already replace the temperature control, it quit for 2 weeks and now comes … read more., BRIAN 1. Some customers may comment that the blower motor is inoperative or continues to run after the vehicle has been shut off. These conditions may be caused by a blower motor control module failure. This failure may occur when the vehicle is operated in ambient temperature conditions of-23 °C (-10 °F) or below., I have a 2016 Colorado 3.6 with 231,200 miles on it. A week ago my radiator fan started coming on as soon as I started the truck and would stay on while driving. Temperature never got over 160. When I shut the engine off the fan would stay on for about 5 minutes and then shut off. Any help diagnosing this would be greatly appreciated., Radiator Fan Won't Turn Off and Temperature Stuck at 160 Degrees: 2014 - 2019 Silverado & Sierra: Bad ThermostatIn the video Sean also goes over why the radi..., Apr 28, 2022 · so I have a 2016 Silverado Ltz and the radiator fan stays on the entire time the truck is running. Also the ac don’t get cold until 10-30 minutes. Then is blows super cold all day. I changed the coolant temp sensor and disconnected the battery for 10 minutes and it still doing the same thing. I’m not getting any codes and my gauge on the ... ,  · Fan stays running about 5 minutes after car is turned off. 2014 SLT Terrain 2.4 4 Cylinder. My wife's 2017 Equinox was behaving the same way: cooling fan on high for several minutes after she shut off the engine, no A/C on the way home, Temp gauge pointing to cold side. the Equinox is a 2.4L LT edition., Jun 29, 2015 · If that doesn't fix the problem, move forward to Step 2. Step 2 – Check the switch selector. It could be faulty. Whether you have a physical fan speed switch or the dual climate feature in your Silverado, there is a button or switch that is dedicated to start or speed change of the blower for the AC or heater. , Do the following: Step 1 - Turn your ignition switch to the off position, wait for about 10 seconds. Step 2 - Turn the ignition switch to the on position, wait for 15 seconds and start your Silverado. Your gauges should now be working fine. You might also need to check the fuses and change any that are faulty., A faulty cooling fan relay can also negatively affect air conditioning (A/C) performance. The reason being, on most vehicles, is that the cooling fan doubles as a condenser fan. When the A/C is turned on, the fan moves air across the A/C condenser, thereby removing heat from the refrigerant, which changes from a vapor to a liquid state as it ..., Page 2 June,2016 Bulletin No.: 16-NA-204 2013-2016 Pick Up Dual Surge Tank 4532412 If during the process of filling the surge tank, a leak is detected in the tank or cap on the 2015-2016 Silverado and Sierra, that both components should be replaced per PIT5497. The Duramax Diesel pickup trucks utilize a re-surge or, One of the main reasons why the Chevy Silverado faces this kind of issue with the engine is because of an issue with the fuse. When you install a fuse in the f26UA or the f31UA there is a possibility that it causes some malfunction in the performance of the vehicle and causes the Chevy Silverado to stay on even when the key is taken out., 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., #1 · Mar 5, 2023 2015 GMC Sierra 5.3. 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. I replaced the coolant temp sensor and the problem is still there., X 2016 - 2018 Silverado LD, Sierra LD, (Crew Cab L8B) 84494556 X 2017 - 2019 Silverado HD, Sierra HD 84494555. Bulletin No.: 18-NA-161 October, 2019 Page 7 Warranty ..., Engine Fan If the vehicle has electric cooling fans, the fans may be heard spinning at low speed during most everyday driving. The fans may turn off if no cooling is required. Under heavy vehicle loading, trailer towing, high outside temperatures, or operation of the air conditioning system, the fans may change to high speed and an increase in ..., If that doesn't fix the problem, move forward to Step 2. Step 2 – Check the switch selector. It could be faulty. Whether you have a physical fan speed switch or the dual climate feature in your Silverado, there is a button or switch that is dedicated to start or speed change of the blower for the AC or heater., Do you have a Cherolet or GMC vehicle with a blower motor that won't turn off even after removing the key? Well then this video is for you., Cooling fan stays on. Show More. Show Less. Ask Your Own Chevy Question. Share this conversation. Answered in 2 minutes by: 9/3/2021. Chevy Mechanic: ..., Fixing P0128 in the Chevy Silverado is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. 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. When a thermostat is stuck open, it allows ..., Cooling fan stays on. Show More. Show Less. Ask Your Own Chevy Question. Share this conversation. Answered in 2 minutes by: 9/3/2021. Chevy Mechanic: ..., Feb 5, 2022 · 3407 posts · Joined 2016. #24 · Feb 6, 2022. The relays are triggered by a ground signal, there are 2 wires coming from ECM that trigger them to come on with ground. One of those may be broken and contacting body somewhere and allowing the fans to be stuck on. , Engine Fan If the vehicle has electric cooling fans, the fans may be heard spinning at low speed during most everyday driving. The fans may turn off if no cooling is required. Under heavy vehicle loading, trailer towing, high outside temperatures, or operation of the air conditioning system, the fans may change to high speed and an increase in ...