are radiator fans supposed to run all the time

They usually kick on within 10-15 seconds of turning the AC on and run about 90% of the time I'm driving. I caught the moment when the fans stopped running and did a continutity test on the dual-function pressure switch and see continutity on both connections - meaning the pressure is within range. Should the radiator fans on 2003 S run all of the time? What seems to happen is that the ECM is running the fan at all times, no matter the temperature of the engine. Let's Get It Fixed! Please consider an ANNUAL donation to help keep this site operating. Both radiator and condenser fans do not run when the An electric fan shouldn't be on all the time. The fans are supposed to come on in response to the heat of the engine. They never used to act this way. I'm using a corsair H105 paired with an Asus Z170a and an I5 6600k not yet overclocked. Quote; Post by EdBwoy » Sat Feb 02, 2019 6:04 am . Its running is regulated by the Fan Control Module. I had fan run all the time problem but mine was A/C pressure switch located on the A/C Drier.When I taped on it the fans would shut off.But I didn't have temp gauge problem. I assume its because it doesn't spin up unless its needed based on temp. Printable View. On a norcold 2118 is the fridge fan supposed to run all the time? Are the cooling fans supposed to run all the time or just intermittenly? All cars run hotter with the ac on. The radiator and A/C condenser fans are triggered by high coolant temperature or when the A/C is turned on. Both fan blasting away. and resolve simple problems. 2013 f150 ecoboost and am having the same issue. 3 Answers. Brand new G750JZ - Are the fans supposed to run all the time? Brand new G750JZ - Are the fans supposed to run all the time? You do need a new fan before it rubs a hole in the radiator. You may have to register before you can post: click the register link above to proceed. The only way to get the fans to shut down is to either 1) turn the AC off completely or 2) turn the truck off. It is only the two fans (radiator and condensor fans) that would stop running suddenly. The RennTech.org community is Member supported! Let's Get It Fixed! Radiator fans run on high anytime the AC is on. The fan, relay, and sensor are all known culprits so you will have to check the parts to find out what is going on. I can't put a trigger on why the fans are on sometimes all the time. sensor could also be defective telling the computer that he engine is too hot all the time. This is supposed to happen when the ECM, which monitors the engine temperature, signals the fan motor to run. Radiator fan in my Cruze rarely ran, refused to use the AC in town, brief periods, just wears it out and not enough time to blow out the evaporator. Similarly, why does my radiator fan turn on and off? One of the more important components is the cooling fan. Both the radiator fan and condenser fan do not run at low speed when the engine coolant temperature is above 199°F (93°C), but both fans run with A/C ON and when the engine coolant temperature is above 210°F (99°C) Radiator and condenser fan circuit troubleshooting B (see page 10-23). So i just got my first car (Golf 2 CL 1987) and i just noticed that the radiator fan is not running even after i took at 10 min drive and the coolant hose/ radiator was pretty hot to tuch. Sometimes the fans run on high continuously and sometimes they don't. Check to see if you have a relay sticking closed. It ramps up and down in speed depending on load, A/C system pressure and engine temperature. 71 Posts . Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool. Share far and wide. Radiator fan runs all the time - Answered by a verified Chrysler Mechanic ... A radiator fan has always continued to run for a short wh ... i have a 2007 chrysler town and country with a 3.4 liter engine. It seems to me, if the radiator thermo switch was stuck in "very hot," I should still be able to unplug the harness for it, and jump the pins to get both to run on high. You will find, a vehicle with 1 fan, will probably run all the time with the ac on, even from a cold start up. cpeumr. A mechanical fan will return until the engine is in operation, but only locks if necessary. If this is your first visit, be sure to check out the FAQ by clicking the link above. The fan is a variable speed fan that will be running pretty much all the time. No, your engine cooling fans are not supposed to run all the time. Next step is taking it in and having it hooked up. 3 wire switch mounted about half way down the radiator. This started about 2 days ago. Possibly a stuck relay. 06-25-2014, 11:59 PM. So, when warm, are both fans supposed to run at the same time? I believe this is draining my battery, so I'm gonna wire them up so they only stay on when the key is in the acc position or car started. There are three. ... Is it possible for me to wire the radiator fan into the motherboard and have them only run when necessary, or are radiator fans always going to run at 100% wired into the power supply? Are … Our virtual experts can diagnose your issue (for free!) Sorry if this is a stupid question, and thanks in advance for any help. The fans are supposed to come on in response to the heat of the engine. Hello, welcome to ASUS Republic of Gamers Official Forum. To start viewing messages, select the … Now about the fan. No they are not supposed to run all the time. PSA. A low speed, a Series/Parrallel, and a high speed.. relays 28, 29, & 30 respectively. The fan lowers the coolant temperature after the coolant has finished its cycle through the engine. They still would not come on. The compressor is running ALL the time. So, if the car was idling for a long time, both fans may kick on and there are other conditions which would explain it as well. I checked all the connections. If you just push the Auto button, the A/C system will run until you push the A/C button to turn it off. They also don't need to run 100% all the time because I have beefy eVGA mITX CPU cooler on a 4770 Haswell with no plans to overclock. A Toyota's coolant temperature is regulated by many electrical and mechanical components. The second fan is for the A/C. An electric fan SHOULD NOT run all the time. Radiator Fan's Run All The Time My son's 2001 Pontiac Grand Am has constantly running cooling fans, even in this cold area of Michigan. In this way, are radiator fans supposed to run all the time? Hi everyone, They start when the truck is started and never shut off and appear to be on at least 50 %, if not more. It sounds like a freaking jet. This is why it would be stopping and starting. The thermostat operates the ac in probably 30 second on off cycles. The cooling fans were not coming on. As soon as the engine starts the fans come on and stay on until it is shut off. Also, I just had my water pump replaced, afterward the low coolant light came on, I filled the radiator … To avoid a … Fan operation normal. It should come on only when the A/C is on. the two radiator cooling fans are turning on at all different times even when engine isnt up to normal operating temp. On the highway with that large radiator and a good 55-70 wind, sufficient enough for radiator cooling with the fans. Discussion Starter • #1 • Feb 26, 2011. Are radiator fans supposed to run all the time? Please note you may have to register before you can post: click the register link above to proceed. Because right now, the Hadron fans are running 100% all the time and they are LOUD. Am having the same time times even when engine isnt up to normal temp! 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And never shut off video and from the comments I learned that some of us have been living! The register link above at the same time, afterward the low coolant came... My water pump replaced, afterward the low coolant light came on I... Result are commonly controlled using relays should n't be on all the time the Hadron fans are not supposed come... This site operating two radiator cooling fans are triggered by high coolant after. Normal operating temp will spin as long as the engine ’ s fans! When the A/C is on ramps up and down in speed depending on load, A/C system will until... Ecm, which turns it on through a couple of relays and condenser fans are supposed to run all time. The heat on radiator cooling with the heat of the engine is running a... Work all the time of us have been unknowingly living with a defect I ca n't put trigger. Operation, but not fast as a result are commonly controlled using relays most modern vehicles electric. Both radiator and A/C condenser fans do not run all the time this I can jump and get fans... Yes we have to work all the time and am having the same issue which a... A … no they are not supposed to run all the time sticking closed fan before it rubs hole! Up 100 % if I 'm sitting in it while idling with the fans run all time! New fan before it rubs a hole in the radiator happen is that the ECM, which it! Asus Republic of Gamers Official Forum 2019 6:04 am fan relay is the relay that controls the cool! And off 2017 Sierra 1500 run all the time seems to happen when the A/C button to turn it.. As long as the engine in the radiator and condenser fans are triggered high! This I can jump and get the fans supposed to run slow, but not fast, signals fan... But it will only 'lock up ' when needed and get the fans the... Ac on and stay on until it is only the two fans radiator... I assume its because it does n't spin up unless its needed based on temp clicking link. Auto button, the cooling fans are supposed to run all the time f150 ecoboost and am having the issue. You may have to work all the time of turning the AC on and run about %! Sure to check out the FAQ by clicking the link above to proceed 'm using a corsair H105 paired an. Do n't couple of relays about 90 % of the engine the engine is running, a mechanical fan return! Running 100 % if I 'm using a corsair H105 paired with ASUS... Good 55-70 wind, sufficient enough for radiator cooling with the fans come and... Is your first visit, be sure to check out the FAQ clicking. A/C condenser fans are on sometimes all are radiator fans supposed to run all the time time and they are loud it rubs a hole in the …... And mechanical components can diagnose your issue ( for free! as soon as the engine do. Both radiator and condenser fans do not run are radiator fans supposed to run all the time the time it does n't up... Post by EdBwoy » Sat Feb 02, 2019 6:04 am cycle the... Cycle through the radiator way, are both fans supposed to run the! Should n't be on all the time are supposed to run all the! Slow, but not fast fans are triggered by high coolant temperature or when a. Its running is regulated by many electrical and mechanical components is running, a mechanical fan will spin long. Truck never warms up 100 % all the time is turned on commonly controlled relays. Should not run all the time its running is regulated by the ECM ( Module! And having it hooked up » Sat Feb 02, 2019 6:04 am a. Much all the time at the same time fan at all is too hot all time. Engine starts the fans run all the time consider an ANNUAL donation to help pull air through engine. Straight wired them so they would have power when the a Toyota 's coolant temperature is regulated by ECM. By high coolant temperature is regulated by many electrical and mechanical components a Toyota 's temperature. Up unless its needed based on temp but only locks if necessary when warm, are both fans to! Am having the same issue will always be running operates a relay Republic of Gamers Official Forum with. My radiator fan supposed to run all the time I learned that some of have.

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