Radiator Fan Stay On? - Diagnosing A Constantly Running Fan On A Chevy Impala
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- เผยแพร่เมื่อ 11 ก.ย. 2024
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www.paypal.com... here is an issue I ran into on some cooling fans of 06 chevy impala and the steps i took to diagnose & fix the issue.
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#falconsgarage #impala #fanstayon
That's how it happened, my car is a 2010 impala and that problem is... I appreciate it,
same issue with ram seen ur video and unplugged ac switch and boom it turned off nice video bro
Excellent detailed information. Thanks
Glad it was helpful!
Thanks you, Thank you, Thank you. I have a 2009 Chrysler Town & Country and the
Air conditioning wasn't working, I have been working on it off and on for the last couple
of months. I replaced the TIPM and still wouldn't work. The fan was stuck on high all the
time and the engine RPM was always hi. I put in the old transducer I had( the new one was
Bad), and It worked. I must be kind of like you. I DON'T GIVE UP! Thanks again for triggering
my mind.
Tom
THANK-YOU VERY MUCH FALCON .
Welcome!
Good info bro. My shit just started doing this shit to me when I shut it off.
I'm working on a 328i fan stays on was watching video to get a idea but you teach me something bc I didn't know that but what I know is if u put too much freon in the system the fan will stay on
Very good diagnosis. Thank you. 👍
Man your video was very helpful. We were having the same issue ran several test and running out of idea's. Our pressure switch was showing 436 psi. Thanks man
Great to hear!
Oh Thank you Primo
I have a 17 impala and the fan doesn’t turn off at all it’ll stay on til the battery dies. Any idea what’s going on?
thanks for your efforts
impala 2012
no blown fuse all relays good
fans not work
only with scan tool using active test
please tell me about the problem
great info man
thank you
Great video and only video to watch about this issue. Can someone please show me a video how to find or fix the relays and pressure switches so I can fix my fan
Jeremy,look here on TH-cam ! Tons videos . Or have you fixed it ?
@@davidbraun2989 I couldn't find any video specifically for my car but I did find videos giving me all the information on similar makes and where everything is. Luckily it was enough to get the job done. Gotta love TH-cam
Had the same issue with our uplander
Very helpful
Super helpful!
@falconsgarahe have you ever fixed this issue (fan stays on) for chevy cruze? If so what was your resolution on the cruze? I have this issue on my 2011 chevy cruze, no check in fine light and fan stays on as soon as I turn on vehicle.
i would start by checking you temp sensor & connection for it
I have this problem with the cruz also it started after I replaced my water pump.. Any resolution?
I took my ac compressor out...bad clutch...used A compressor bypass kit...now my cooling fan runs all the time even with engine off...high pressure switch? Is it normally open or normally closed...? How about low pressure switch?
Mine are always running even in cold start up at full blast. Only turn off when I turn vehicle off. Already replaced the coolant temp sensor and still both fans running on high. With ac and heater off.
CHECK THE SENSOR FROM THE VIDEO
Gracias por tus videos Falcon Garage, tengo una pregunta, es normal que el cooling fan este encendido todo el tiempo cuando el A/C esta funcionando? gracias
I have an “engine hot, a/c off” message and gauge stays on cold. 2012 Impala fans under the hood stay on for a few minutes after the car is turned off. I’ve already paid for a new thermostat and then next time it did the same thing I had a sensor replaced. Now it’s doing it again over a week later. Someone said clutch fan but I am so worried about another repair that doesn’t matter. Other than that, car runs fine but the system has turned the a/c off. Not good in Houston.
does the temp gage ever read any temp? or is it always cold?
do the fans work? missing coolant? maybe temp sensor is bad ....
@@FalconsGarage It's back on staying cold. I have a receipt that says the coolant temp sensor was just replaced. There is still coolant in it.
Hah. What's good about that chevy is that you can always do something on it.. If you are mechanic chevy 2006 is perfect for you because it will always keep you busy...
same thing can be said about every car to be honest
2008 Honda Civic DX. Fan stays on constant while engine is running also it will stay on as long as the ingnition switch is on. Bad temp sensor? It has 2, one on the engine one under radiator. What you think?
sounds like a bad sensor ...
check with sensor is for the "gage" and witch is for the computer .. check the one for the computer first
@@FalconsGarage thanks. Subbed
What if is the other way around, can't turn them on. I change and move around fuses and relays. I even open a relay and override them, fan works. I placed a scanner High-pressure sensor that reads 0.2v on 4.2psi, A/C pressure is disabled because doesn't work and needs repair, and leaks, in other words, no Freon.
Start up engine coolant temperature 141.8F / after 23 min engine running Coolant reached 212F. No Fans kick in. *Fan Control= (FC) Relay 1 Circuit Status= Not Complete, (FC) Relay 1 Command =Off, (FC) Relay 2 and 3 Circuit Status = Not complete, (FC) Relay 2 and 3 Command= Off. It remains like this for the entire 23 min.
Is this more about ECM? Or has to be else not giving the signal to turn them on. Also, I disconnect Coolant Temp. sensor and both fans work. Once I reconnect them they turn off.
Thanks for your help.
Fans not working , but my question i deleted my a/c for the bearings in the clutch it was wobbling so since summer was over i just deleted it till next summer. So my question would or should my fams still work with out the ac/ connector plugged in... ?
We'll see if this fixes my problem. After an engine swap in June, the fans stay on. They never did before the engine's were swapped. The only difference's were a '03 engine to a '01 Saturn L200. I was told the ECM's do not have to be changed out. The relays and coolant temp switch are all good. The scanner turns them off and on. The A/C hose's and switch were never replaced when I had them swapped. This will be interesting if this is what it is. Awful strange why that would happen just changing engines. I had this issue when the '03 Saturn was my Mom's car and the fans didn't shut off, the catalytic converter was clogged was why they ran all the time. Mine's good. I'm not going to pay a tech $90 an hour to find it. I just spent $1200 having the engine work done. I'll keep posted what happens. To bad I let the other sensor go with the other car, I didn't know this. I can get another one from the yard, probably free.
Shouldn't just unplugging the switch turn them off before you get another one ? You'd think it would. I thought I tried that already but maybe not. I seriously don't think that's the problem but it's worth a try.
so if you unplug it .. does that turn the fans off?
@@FalconsGarage: No. I changed it with a free-bee this morning. There's a problem somewhere else. I have a knock sensor code and downstream O2 sensor as well. You unplug the 02 sensor and they still run. I have to look and see if there's a resistor on mine. I need to check the Chilton's manual at the wiring diagram.
Thanks for the reply ! This is really frustrating when you can't find the problems. I just can't keep throwing parts at it, that's a waste of money, as I'm sure you know.
If I didn't add, the A/C condenser fan runs as well.
Thank you
👍
My 06 ford fusion is having problems with this right now im sitting here trying to figure it out.
Sorry what was the reason?
I saw you flip me off 🙄🤣
Hey Falcon. I have a 2007 Toyota Rav4 2.4L with the cooling fans staying on constantly. It doesn't matter if I'm stopped, moving, AC on/off. I've changed out temp sensor and relays and no change. I've taken it to different mechanics, including an electrical mechanic, and no one seems to know what is wrong. Any ideas? Also, where is your garage?? Are you accepting new customers?
im in centra texas..
check if it has 1 or 2 sensors also .. sometimes they have a computer sensor and a gage sensor
Hey Falcon. Which sensors are you referring to? Thank you for the reply! I can use all the ideas I can get. My car fans are a mystery!
have your mechanics check if your car has 2 or 1 sensor for the temp. might also be a wiring issue
God bless
I just had this problem tonight on a 2017 Chevy camaro
ASIAJANAE what you end up doing?
Juan Gonzalez i took it to the dealership and they replaced the thermostat...
ASIAJANAE do you know how much it was I don’t have warranty anymore
Juan Gonzalez no because mine is under warranty... the paper work they gave me didn’t have the price.
Oh okay then appreciate it
Muchas Gracias señor
My 2008 VUE is doing the same thing, the fans go full blast as soon as you start the car, and also my ac stopped working, could this be the high pressure switch?
sounds like it
The opposite happens to me with my car.. My car's radiator fan doesn't turn on when I start my car. What could be the problem? 2013 Chevrolet Malibu Lt
Very great video 👍. Any pointers on a 5.0 liter 2013 Ford f-150. Does it regularly, even in cold weather. What is your advice Sir ? Thank you
I would check the temp sensor
About 9 months ago I unplugged my car battery. And the fans would stay off for about a day but then turn right back on the next day.
I took it to a mechanic who said it was a bad thermostat, he replaced it and the problem stopped for about a day before it turned back on. Took it to a mechanic 2 more times and he couldnt figure out what it was.
After the 3rd time, I said eff it! And just kept driving around with the fans on almost constantly. Then all of a sudden, the fans just stopped and my temperature gauge was accurate and only turned on when necessary.
That was 9 months ago. Now my car was over heating because my radiator had a crack in it. So I got it replaced and 2 days later, my radiator fans started doing the same thing they did 9 months ago!
So its the high pressure switch?
could be a number of things .. to me sounds like a short somewere
Hi! Have the same issue with my 2009 Chevy Traverse and that is not allowing the car to warm up properly & offer proper heating. Checked: relays, coolant, thermostat, actuators, the works! Found the AC pressure switch, unplugged it but nothing changed. The fans still come on first thing after cranking up. Any experience with Traverses? Thanks!
No. But I would also check the temp sensor ... and check if it has one or 2.
@@FalconsGarage - DUDE!!! I replaced the ac high pressure switch and problem solved!!! Fans don't come on with the car, temperature in both cabin and engine are back to normal. The AC pressure read was high though, it was never below 400 kpa but who cares! This is a victory! Thank you!
Hey I have a 2017 Chevy Malibu and the Fan blows full speed soon as I start the car and stays on about 5 mins after cutting it off, any suggestions on how I can fix this problem myself?
check temp sensors
My car doing this right now and car won’t even turn on now cause the battery is dead battery used to stay on 5 mins and turn off then it got to the point it won’t turn off at all it won’t shut off I have to discount my battery to stop it running all night😅
My 2013 silverado onc
e it's reaches 210 which is normal the fans turn on but never turn back off? Already change ECTS . please help.
Having same issue. These Chevy Impala's are headache its always something wrong.
Hi there from England. Iv a Astrs 1.7 cdti fans stay in Evan with no keys in .only way to stop fans is remove the fuse .
What is the pressure sensor please. I cant find info
I wanna share my toyota yaris sedan problem, my ac is cold and that’s normal but i’m thinking i have a problem with my pressure switch, when i turn on ac low speed fan turning on and after 15 minutes high speed turning on and never stop until i turn ac, and also it will turn off after waiting for awhile
What’s your opinion about my problem? :)
on most cars the high speed fan will always be on when the AC is on ... was that the question?
Falcon's Garage yes that was my question
OK.. YEAH that's normal
I also have the same problem. Did you fix this issue?? Because i think its not normal for yaris sedan. I had some issue with engine head gaskit and after fixing this mechanic remove thermoste and when i refilled the gas in AC after that this problem start so i dont know what is the issue. Because i am afraid travling to long distance. Please reply me if you got solutuion. Thanks.
Hi Falcon... What about a 2007 Lincoln MKz... It's not going off after hours of the car being turned off?
start with the simple stuff .... relays and sensors
@@FalconsGarage My son's 2008 Lincoln MKZ is now doing the same thing
JUST REPLACED MY COOLING FAN WAS DRIVING HOME JUST AS I PULLED INTO MY DRIVE WAY NOTICED A BIT OF WHITE SMOKE THE CAR WAS SUPPER HOT THE MECHANICS LEFT MY TEMPERATURE AT 32 ON THE INSIDE IS THAT NORMAL WEIRD ???
The AC temp at 32? That would have nothing to do with the car overheating .... if that’s what you mean
@@FalconsGarage NO I MEAN THAT I WENT IN TO REPLACE MY COOLING FANS IT WAS BUSTED THEN AS I WAS DRIVING HOME I NOTICED THEY LEFT THE HEAT ON BLAST AT 32 IT WAS WEIRD BUT AS I PULLED INTO MY DRIVE WAY WHITE SMOKE CAME OUT I WAS LIKE WTF IS HAPPENING AFTER THEY REPLACED THE FAN I THINK THEY REVETED IT UP TO GET THE FAN TO GO ON OR SOMETHING WAS JUST WONDERING IF THATS A NORMAL AFTER A FAN REPLACEMENT AND I HATE NEVER HAD MY CAR THAT HOT BEFORE BUT THE TEMP GAGE WAS NORMAL WEIRD ITS A REALLY OLD CAR
What year model is this impala. I have a 2014 made on the new 2015 and forward style...what state you in....I need help
06
Check coolant temp sensors
So, let's say that the high pressure switch is working good... will the fan stay on if the AC is not charged (no pressure)?
no
The low pressure line,has a low pressure switch,too,right ?
mckoy lach yes. But not all cars have a low pressure switch. Some have both and some just a high pressure switch.
Falcon's Garage thanks
Hi, are you still answering questions?
sure!
wow i got a new switch and i changed the lower relay
My fans were doing the same thing until i unplugged a relay. Is this normal?
no, sounds like you have some issues
He talk like a older 6ixnine. But good video it help
Have 2019 impala fan stays on when car is off
This is happening with my 2011 Chrysler hhr
I have the same problem with my 2014 v6 mustang and the mechanic dont know whats wrong
My fans dont stay on after i shut the car off. But they are always on when the car is on.
Dave Crupel could me many things. Temp sensor, relay switch bcm etc
@@FalconsGarage I have a 1997 Camry if that helps. Not too many sensors on it
Od bless you.
Hi falcon I have a question I have same problem with fans but high pressure switch it the same location for a 2015 3.6
sorry not sure .. but just follow the line
My wife's 2012 Cruze Ltz fan occasionally runs for 3 to 5 minutes after it is shut off. That isn't the only issue sometimes there will be oil blown up around the oil cap and other times the oil cap is sucked down so hard it is hard to twist open even when off. Now the car has a squealing sound. We replaced the tensioner, belts, pcv valve, and oil cap since we figured the cap may not be venting correctly. If you take the oil cap off while idling the squeeling noise goes away. So we tried a thinner o ring on the oil cap and it reduces the frequency of the squeeling noise but it blows small amounts of oil out from the cap. Anyone dealt with this before?
I have a 2011 Chevy impala and the fan stay on when I’m driving but turn off when I shut the car off and the temperature gage is at cold (c) when I’m driving. Any answer
Any chance u got this sorted out?
I have a 2013 chevy impala we changed the sensor and the thermostat now the car is acting like it want to run hot but doesn't and the fans come on, what could be the issue
whats do you mean by "acting" like it want to run hot? also did you take the air out of the system?
I don't think he did, like the hand suppose to be in the middle it will go Lil bit above the middle hand then the fans come on like it's running hot
Falcon my 2009 GMC Arcadia won't start and fan won't shut down at all
so the car wont start and the fan wont turn off?
May b the batery is dead
Is this the a/c high pressure swith?
yes
Ac pressure switch
My car is currently having this issue but even with the car off it will stay on and not turn off what should I do
search for the short
@@FalconsGarage does this mean its probably a short? Im having the exact same issue: 2014 Chevy Impala Fans stay on regardless of the car is off and wont turn off at all unless I pull off the Relay. I replaced both relays and fans continue running when off regardless.
@@e3266400 same on a 2016 impala
Hi where is the high pressure switch on the vechile?
i believe there is .. on the passenger side .. If i remember correctly
So when i turn on my car both fans stay off i tried accelerating on idle and they still wouldnt spin.. is this normal?
they will not come on until it needs it .. if its not overheating there is no need for them to turn on. so it is normal to a point
@@FalconsGarage ok thanks for replying so quick but ive seen other cars fans start spinning as soon as its on, mine has a cvt transmission, idk if that has anything to do with it and should one turn on when the ac is on?
My Logan car radiator fan is running fine in normal climate according to the temperature, but while sunny climate it keeps running..No body could diagnose this issue. I changed thermostat, ac pressure switch but nothing worked...PLEASE HELP
dont understand the problem .. from what you said its running normal ..
Hi, The problem is when I start my car in morning radiator fan is not working but if I start my vehicle after 12 clock radiator fan automatically getting on and it is not stopping @@FalconsGarage
@@FalconsGarage Hope you understand the issue ⚠️
Any luck ? My car is doing the same.
What will I do to the high pressure switch?
???
Over a week? Did you give your customer a rental? Lol
Why would I do that?
thank
Hello does this apply for a 2012 Chevy cruze?
could be mny factors causing the fan to stay on .. YES this could bea cause .. but still need to check it all
Have same car . should i change my map sensor. Did you fix it yet, if so what did you do?
Steven Janosz I did. I changed my relay and the sensor he’s talking about.
I would look at yalls wiring hardness and see what makes the fan turn on .. then start checking one by one ..
Well mine was turning on and off everything fine but it was like too loud I guess on it’s higher speed it wouldn’t stay on all the time.
Omg
Most newer cars are made to run for 5 to 10 minutes after the car is off
Nope. That’s wrong
THANKYOU