Radiator fan running on high. the water pump does work when running the bleed test.
Radiator fan running on high. 0 and it will randomly run the fans on high speed for what seems like no reason. 0l radiator fan has been running on high since I replaced the water pump and thermostat. The dealer has been unable to explain why this is happening. Jul 23, 2023 · Issue: After getting an engine light - code P0128 the dealer replaced the engine thermostat. Dec 28, 2024 · Understanding the Fan’s Role Before diving into the reasons why your Chevy Silverado fan might be running constantly, let’s understand its essential function. Jul 30, 2023 · Two things will make your radiator fan run on fast. 5L ecoboost, the engine cooling fans (both of them) started running on high speed the other morning as soon as I started my truck. This is a common problem. If the cooling fan constantly runs, it indicates one of these reasons: failure of the coolant temperature sensor or its wiring, fan start relay failure, damage to the drive motor wires, failure of the electronic engine control unit (ECU) and several others. Never runs hot, stays to the left of the middle. At all times of day, with Jul 26, 2021 · Okay, so a few weeks ago I had the A/C on my wifes 2007 E350 4matic wagon recharged at the dealership. But then cool down as expected during normal operation Mar 14, 2018 · Introductions - Very LOUD engine cooling fan is constantly running on HIGH - Hello forum community! I'm brand new to The Forum. is this common on these? May 11, 2020 · Maintenance Shop - 2013 F150 Engine Fan Stays On High! Help - I have a 2013 F150 5. Jan 13, 2022 · 2015 + Expedition & Navigator - Cooling Fans on High Speed - My wife drives a 2017 Expedition EL, just over 60k. Not continuous. Jun 22, 2023 · 2015 - 2020 Ford F150 - Fan running high, fan cycling on/off - Hello - Hope this is the right spot for my first post. See full list on atlib. This high-speed operation can occur due to various factors, such as overheating or faulty components within the fan assembly. 5K views 3 replies 2 participants last post by misterbreeze Apr 10, 2024 nsamok6620 Discussion starter Feb 17, 2016 · Escape & Escape Hybrid - Engine Fan Runs @ Max Speed Constantly - Hello, I have noticed that my vehicles engine fan runs at max speed (and is very loud) all the time. Also while car is running the coolant temp will go up to 90-100 degrees C. The fan is typically controlled by Feb 18, 2016 · But anyway, my radiator fan seems to only operate at the highest speed. It runs like that from the second I turn it on until I shut it. The computer wants a lower speed, but it's not getting the cooling it needs, so it calls for a higher speed until it gets what it wants. Temp gauge reads 160 lowest it will go fan a lot louder than normal. Regardless of outside temperature, engine temperature, climate control settings, etc. 0, after driving for about 15-20mins my engine fans come on high and don't shut off until I turn the truck off. Nov 30, 2020 · 2015 - 2020 Ford F150 - Engine cooling fans running on high speed - 2016 F150 3. It helps to regulate engine temperature by drawing air through the radiator, dissipating heat and preventing overheating. It's going back Jun 24, 2023 · 2009 - 2014 Ford F150 - Fan running on high - My father in laws has a 2014 XLT with the 5. I’ve asked about it when I’m getting the oil changed and regular maintenance, but no one seems to think it’s a big deal. Oct 30, 2021 · I have 2015 Chevy Silverado and it's pretty cool outside around 50 s or so. I have a 2015 F150 XLT. May 30, 2022 · Additional radiator cooling should be activated only when the engine temperature reaches 90°C. Jan 31, 2025 · When this code appears, it means that the engine control module (ECM) has detected that the cooling fan’s speed is operating at a higher than expected level. Truck was cold, outside temperature was around 40F, heat or defrost had not yet been turned on, any ideas Oct 16, 2023 · 2015 - 2020 F150 - radiator fan; running excessively? - feel like my radiator fan has always run too often the whole two years i've owned the truck in sig. I've done some troubleshooting already, so I wanted to lay that all out. Its so loud that I can hear it well from inside my house. is this common on these? Nov 15, 2023 · Hey Everyone, I have had a new issue pop-up. The first day was normal and then the next day it started running on high speed most. But the engine is not hot enough to require it to run as the fan is running high and it’s cold out. The fan Apr 8, 2024 · Radiator fan running on high, but does shut off (eventually) Jump to Latest 1. Does your Ford F150 radiator fan runs constantly? You are not alone. the water pump does work when running the bleed test. Feb 1, 2025 · 175k miles. When I leave my car idling for awhile (I have to at one of my jobs), it will run on high speed until I'm back underway with some moving airflow, and that's with the AC off (I turn the AC off when it's We would like to show you a description here but the site won’t allow us. Either a signal that the engine is hot or that the air conditioning condenser (located in front of the radiator) is telling it that it's hot and to run fast to cool it down. Thanks for your time. Truck is having an issue where the radiator/condenser fan is running on high often and cycling on/off on high in short cycles 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. Oct 17, 2020 · About a year ago I started hearing the radiator fan running on high at low speeds. This is without any AC/defrost/heat running, cruising at an easy 50mph on the hwy in coolish temps (50-60f). Could air be trapped in the system or possible the coolant temp sensor is bad? Worked normal until I changed the pump & thermostat. Since this replacement the radiator fan runs at full speed as soon as the engine reaches normal engine operating temperature. My fan is running loud and constant. This last week her cooling fans start running on high after her car is running for around 5 minutes. However it only squirts every 20-40 seconds or so. May 9, 2025 · My 2016 f150 5. And while engine is running. After truck runs for 20 minutes or so, the fans starts running continually on high speed. Oct 16, 2023 · 2015 - 2020 F150 - radiator fan; running excessively? - feel like my radiator fan has always run too often the whole two years i've owned the truck in sig. even a cold start on a 46 degree morning like today, it's instantly running; not on high, but seemingly excessive for most conditions. Fan comes on full blast a few minutes after the car is started Coolant reservoir has coolant up to the MAX marking Can see the coolant temperature on the dash so guessing at least one coolant temp sensor is working Once fully warmed up the Does your Ford F150 radiator fan runs constantly? You are not alone. The radiator fan is a crucial component of your vehicle’s cooling system. Does slow down sometimes for short periods. Since the the engine cooling fan is running on high a LOT! Runs on high upon starting in the morning cold, and almost all the time. 3l that I am having a issue with the cooling fans running on high occasionally. Here in this article, you will get to know all possible causes and solutions to fix the issue. info Nov 30, 2020 · 2015 - 2020 Ford F150 - Engine cooling fans running on high speed - 2016 F150 3. The last 2 days the engine cooling fan has been stuck on HIGH, and it is VERY LOUD. The fan is typically controlled by We would like to show you a description here but the site won’t allow us. 10-20 seconds jet engine mode --> off --> repeat when it's hot outside. When this happens my temp gauge will read zero and when I kill the engine the fans stay on. Nov 15, 2023 · Typically what happens is the fan changes from a 3 speed "low-med-high" to a "off-off-high". Jan 3, 2020 · I have a 2014 Chevy Silverado 1500 5. The fan Dec 28, 2024 · Understanding the Fan’s Role Before diving into the reasons why your Chevy Silverado fan might be running constantly, let’s understand its essential function. sgbgthjtcx4fafgtibr18cd05mb27siomzc70ky