VW Coolant Light Comes on but Car is not Overheating
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- Опубліковано 30 лип 2015
- DescriptionThis question was asked on the AskDAP Show Episode 1. My VW coolant light is blinking in the morning but there is plenty of coolant in the car, and it isnt overheating. What could this be?
The parts discussed in this video
Coolant Bottle (Genuine VW/Audi)
www.shopdap.com/2q0907511f.html
Coolant Bottle (Vaico)
www.shopdap.com//1k0-121-407-...
The Coolant Temp Sensor
www.shopdap.com/vw-audi-coola...
G13 VW and Audi Coolant
www.shopdap.com/vaico-g13-coo...
Question answered by Paul Barrett, CEO or Deutsche Auto Parts and host of the AskDAP Show.
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Coolant Bottle (Genuine VW/Audi)
www.shopdap.com/2q0907511f.html
Coolant Bottle (Vaico)
www.shopdap.com//1k0-121-407-a-vco-vaico.html
The Coolant Temp Sensor
www.shopdap.com/vw-audi-coolant-temp-senor-grey-06a919501a-1.html
G13 VW and Audi Coolant
www.shopdap.com/vaico-g13-coolant-1-5-liter-v60-0164-us-vierol.html
Why is the sensor not like the older ones that could be removed.
The throw away of a bottle only adds to the pollution..
Old school is by far still much better
My car is also hard to start at cold start. Thanks for the video you helped pinpoint it. It's definitely the coolant temp sensor.
My 2007 Golf V GTI had the same symptom, and after I drive it and shut the key off and turn it back to on position while driving the light went away. The possible explanation was when I first started the car was cold, and coolant level was low, and most importantly, the street where I parked was had a valley on the ride side of the road and my right side tires were in the valley, so the car is tilted towards the right.
This is literally the only video that has helped me I have a vw jetta 2012 the exact same thing is happening except my reservoir started overflowing out of no where had a bad oil cooler got it fixed for a brand new radiator and reservoir and got the car flushed the light still popped on I changed the cap stll same thing hopefully it works going to try when I get off work today
Topped off the coolant bottle 98 VW Jetta MK3 the light didn't come back on. Thank you for this video.
Of course, the idea of having a numbered sensor light coming on that tells you the EXACT nature of the problem(s) never occurs to the automobile manufacturers. These turkeys might as well install a sensor that does nothing and then install a second sensor that comes on when the sensor that does nothing malfunctions.
We are going to talk about this on AskDAP Ep 95
😂😂👌 accurate
Does it the same exactly. Flashes in the morning on my way to work. Stops when I switch off the car and switch on again. The car runs perfect no overheating no strange noises, it just stresses me
vassilis nemitsas same with mine
vassilis nemitsas I put some black tape over mine😊
same so stressed
I have the same problem! Exact did you fix it ?
i have an audi and mine does this too, constantly. nothing is ever wrong with it and everything is just fine but it’s always coming on- same with the check engine light. I am unbelievably tired of seeing it.
This exact situation happened to me this morning. 2016 GTI. I'm glad to see there are some options out there besides taking it to the dealer for a new engine. :)
Oh my! A light on my dash! Must take car to the dealer for new everything! Oh wait I just needed to tighten the gas cap. Nevermind.
I am in the same situation this very minute! Thanks for all the help everyone
Same! Went to get into my car for work and this came on. I’m scared to drive to work being that it’s an hour away.
@@jenabell2429 mee to😔
From the comments showing the amount of VW vehicles and range of years this is common and VW doesn’t care. The same thing happens in my 2019 Atlas the first cold day it saw and has never stopped. VW Technician said it’s a touchy sensor, problem is when you go to resale your car no one wants a car with a trouble light, whether it’s correct or not.
This is happening to me with my 2013 VW Amarok BiTDI, 3 times now. Thanks for the insights.
What did you do?
elvincrz I found out that the rubber seal on the oil cooler was worn because it was not sitting properly and hence creating a high pressure driven leak. We changed entire oil cooler - the bakkie is now perfect! 😃
Due to my experience in the VW beetle, it could be bad sensor on the cooling reservoir itself. It must be replaced with original VW part, aftermarket part will not work.
The same exact thing happened to me with my MK7 GTI, it started after increasing the engine's oil.
when i got the car after the service the light never came.
My vw has had this issue for many months, but my car was never actually over heating, so I figured it was just a weird sensor thing so I stopped paying attention to it. Last week I was driving around and pulled up to a friends house after the light has been on the entire time (about an hour) without turning off which never happened before. Pull up to the house and my car is smoking tons of black smoke from everywhere. Got it towed to a shop, they did an oil change and fixed the broken pipe that was leaking all of my coolant then filled up my coolant. Got it back, was in my car for maybe 10 min and the light came on again. Let it sit for a couple hours, got back in and drove for another 45 min and light never turned off. Hopefully it’s a bad sensor and not something I should be worried about this time:/
I've seen this a few times.
Wrap a wooden dowel with fine sandpaper and rub the facing surfaces of the two wires. A deposit builds up over time and disrupts current through the liquid.
It is just happening to me on passat b6. But when i check the coolant level at first it is almost at the bottom of the bottle but when i open the cap to pour some in the coolant start rising and it comes back at the normal level, and then dash light goes off and everything is ok for days or weeks sometimes. Does that coolant bottle has some vent for releasing the pressure and it get stuck or it is something else that should send coolant back in the bottle. My mechanic checked and everything was ok at that moment so he just proposed that i change coolant bottle. Do you have any idea is that bottle problem or it could be water pump or something more sinister. Any advice would be appreciated.
My 2013 vw cc is having this same issue and went all the way to 260. The coolant hose was cold but still going to the shop for further investigating
My golf MK4 also had this issue. started the coolant STOP sign on the highway. Pulled over and checked if there was coolant. there was and indeed it was circulating. Today the problem became even worse. The coolant gauge at the dash showed below 50C when the engine was hot. and it suddenly get up to 90 and then 130 till the moment it wasnt working at all. also the STOP coolant sign kept going on. With me it was the coolant sensor itself. Replaced the sensor all is fine now. drove 50 km without any issue now.
So yes it can sometimes be the coolant sensor. Important to others... In this event no ECU codes were logged !
cool mine just started doing this ill check on the bottle it has alot of shorts in the dash area though so might be that aswell
I have a 2014 Jetta 1.8t and I'm checking my coolant tank level sensor(if that's what it is). How much voltage should the sensor harness receive from ecu if any? Because when I check the harness going to sensor I can't find a good power wire. Btw nothing's wrong with the car just doing this to learn thanks in advance.
thanks dude -- that was super helpful
How do you check the flow? Do you need to wait until the car gets up to heat and check the pressure inside the pipes?
Grettings feom Honduras central america, my beetle mk5 recently warn this light, so i check the temp fan, i found a bag stuck on the motor fan, i guess the Ecu or sensor detect a minor revolution on the fan...
Thank you so much same issue on my jeeta tdi mk6 i done timing belt already but after 20km happen to me and every time between driving temperature light is on and after gone few minute later i check my car everything look normal no over heating coolant level perfect only issue coolant bottle bad 🙂🙏
I have a 2011 Jetta and it just happened to me on first start of the day. It’s been super cold recently and tomorrow we’re supposed to drop down to 10 degrees wind chill factor. I’m first owner and this has NEVER happened to it before.
Is this what it was? or something else? did it go away? Thanks
It seems like most VW’s have that problems. Mine is doing that now and I don’t know what it is but I will check.
08 New Beetle... Mine did that this morning.. outside temp in the 40s. Everything on the car checked out. Come to find out it's part of the system in this particular car to warn you that the engine hasn't come up to operating temperature and that you need to wait before you start driving.
Edit... My temperature warning indicator went off after a few minutes while I was checking coolant levels and whatnot
I've had the 'STOP: Check Coolant' light come on for the past 2 years, but only when it's cool outside. When the weather is warmer, from about May through September, the light never comes on. The car runs in the normal temp range, with no overheating. When I start the car, and the light comes on, I drive it for about 2 or 3 blocks, then shut the engine and restart, and the light goes away! The car is a 2003 GTI VR6.
Can anyone respond to this? The 'check coolant' light still comes on, but only during the Fall through Winter months, when the temperature outside is lower! It never comes on during the warmer Spring or Summer months. I've been driving the car for years like this, with no problems. The engine temperature range is always normal. Could this just be a bum sensor?
i am having this issue too. ive noticed it only comes on when its cold but i also checked my fluids and there is none this time lol
Same problem here with polo 9N.
Hi I have a golf 5 1.9 66kW, sometimes very severe engine works, ie if fighting machine that works without moving arrows 8-9 Amongst stays normal in some cases after a short journey and drop arrows 10-11 and the engine runs rough works. I introduced the first computer for any errors but there is nothing. I liked going to give me an explanation
Hello from Bosnia. I have seat altea XL 2007and has same issue. I will try to clean contact on the plug underneath the cooling liquid bottle, as some of you wrote. Thanks for the video
Yesterday with vw up 2016,now is good
Nope, none of that. Just had mine fixed. I’m no mechanic but I can tell you what my invoice says, “Front crankshaft sealing flange is leaking and needs replacement due to mechanical defect”. Had it back a week now and no error lights and I can finally use my auto start. Happy it’s fixed not happy I had to speed my time and some monies so VW could fix their defective product. Hope this helps.
Our 2013 Tiguan is in the DAP Repair shop right now with a similar problem. In our case the diagnosis calls for a new temp sensor and a new Rein metal water pump.
There is a plug at the bottom of the coolant bottle, towards rear, that has a plug. The contacts of this plug can get corroded. Clean the contacts and problem will likely go away.
Hlo i went mexhanic and they fix
thanyou that was helpuf :)
I have 98 bug 2.0. 4 days ago it started temp lite coming on as I was on a 30 miles trip one way I pulled over bottles full and fans weren't even on I was able to take lid off over flow rite away ,I had been driving bout 15 miles and it was bout 91 degrees out car wasn't over heating you could tell,??? do ya think over flow bottles bad
@deutscheautoparts on my polo 6n2 2001 my temperature gauge doesn't read engine temperature... the car doesn't overheat and no issues with coolant system... just dunno what could be wrong, any ideas?
My Audi A6 2007 car shows coolant low level but the coolant is full in the box. The car stopped after driving 10 km and even engine isn’t getting start now. What to do?
My mk3 is doing this no over heating and I just changed the resivour and made sure it is bled and has proper coolant level and the light is still flashing at me.
How to add or mix the liqui moly antifreeze coolant to mk7 gti?
Vw 05’ Toureg
This just started happening to me and no overheating(thankfully) but you said a new coolAnt bottle should do it ? Or maybe it isn’t needs more coolant. And do I mix coolant and water? Can I just put water?
Thank you
I have a Tiguan 2014 . Can engine flashing ruin the cars engine? And for oil i use fully synthetic oil 15,000 km . A friend recommended the max i should do is 10,000 because of the very hot county I live in. What are the things that can ruin your engine and your motor ?
ATG suggestions:
Check the actual temperature of the coolant from the Coolant Reservoir (melon size).
With a Thermometer respect to the Thermometer Car's Gauge (dashboard).
If both reading are about the same...
Change the Temperature Sensor Unit (right side top of engine) /or Thermostat.
Do the Temperature Sensor replacement first.
Thermostat & Water Pump replacement are no fun.
FYI: ATG suggests & stated if car over 8 years old or 94K+,
Replace the following PM's to prevent overheating, blown head & missed fire & poor milages:
* Complete Timing Belt Kit
(water pump, belt, tensioner, gaskets & so on)
* Change all belts
* Temperature Sensor
* Thermostat
* All Coolant Hoses
* Spark Plugs
* Oil & Filter?
* Clean the Coolant Reservoir's Sensor (looks like to metal rods)
"Complete Timing Belt Kit" for a coolant sensor problem...that's a dealer's solution if I've ever seen one.
Maybe start with cleaning the coolant reservoir sensor, then do the timing belt second.
So i have a 2004 new beetle. The coolant light is on after u start the car but its just solid blue not flashing and it goes away, only coming on after its been sitting for a long time
Exact same thing happened to me, thank you
Can water pump leak cause a squeaky rattling near the belt next to coolant bubble? I owen a 03 Jetta
Our 2006 dodge caravan was leaking coolant all over, we took it in a shop they put a new water pump in and a new radiator then a few months later the tempture gage said it was over heating but did’nt stay lit up on the temp gage it went down after a few seconds so we took it in again to same place and they said it was the thermostat so they put a new one in and after about a few days of getting it back it started doing it again …it would only show over heating and as soon as we pulled to the side we would either shut it down for a few seconds or even let it still run in park and it would go down and drive it through out the day off and on and it would’nt do it anymore just one time a day and it would only do it after driving it about 3 miles or less and then it would’nt do it anymore even if we drove it off and on during the day >>> what could that be please help could it be a blown head or a blown head gasket? ty
I’m having a coolant problem with 2017 Golf Alltrack. No coolant light coming on. Temperature gauge appears to work normally then rises rapidly to 260F. Let the car idle and the temp slowly goes back down. Coolant level is normal. Two codes are present after replacing heater control solenoid valve. P2556 engine coolant level sensor and POOAF Turbocharger boost control A module. Radiator fan runs normally.
I have faced the same problem. Its the coolant bottle issue. Just replace it and everything is back to normal.
Mine just did it this morning :( Thanks for the video
Did you ever find out the problem?
I have a 2015 Passat 1.8 T Wolfburg. On Saturday while warming up my car it flashed. I shut the car off and it didn't come back on. I called the VW shop and he told me I should stop by and he would add coolant. Car ok to drive just watch temp gauge. Car is not over heating and light didn't appear until today (4 days later). Same situation happened. I have a full bottle of red / orange VW coolant in my trunk from my 2007 VW passat does anyone know if I can use this/
Hi, I have a VW passat 2017 - the temperature gauge goes over 90c once in a while and on one occasion the red temperature gauge warning light came on - I went to get diagnosed no faults appeared on the device. However nearly every morning I see the gauge go over 90c and then back again. I've tried to mess around with the heating and noticed that when I turn off the heating system the indicator goes back to 90c - any idea what the issue could be?
Ok I haven’t started the car in 10 days. Vacation. And first time seeing the light. Gauge seems right in the middle. Strange.
HUGE HELP THANKS 🤙
My STOP CHECK COOLANT LIGHT came on and the guage went from about 180 to all the way in just a second....car wasnt hot ,it has coolant and fans are working.....just trying to narrow down anything I should check since this is my first vw...its a 2007 vw gti 2.0 turbo.....could it be the coolant tank sensor messing with guage also
This just happened to me. I have a nissian maxima 08 and my needle went up and fixed my fans and it stopped now that temperature light came on. What can it be? Please help 🙏
Why all these stupid sensors! I love tech, but it seems so pointless when one could just check the coolant for any issues and if there is already a gauge showing whether or not it is overheating.... they always seem finicky and just add headache. Perfect it or just throw it out..
Dane Youtz that's the deal forn the dealer's. Parts sales.. Buy lexus older are better .. All new cars all are a pc of shut.
volkswagen are german and germans love their redundancies and overengineering god bless their souls
my 2012 passat has been doing this also, I added coolant and the issue went away for maybe one day. Now every time I start the car it beeps at me with the check coolant light. Seems like VW has some shotty sensors
Hi not sure if you can help me
I have a 2014 golf 7 gti the vehicle goes right up to 190 but the car is not overheating so i changed the water pump and the coolant bottle/sensor but it still doing the same thing it says on the vcds that the engine coolant sensor has electrical malfunctions tried to clear it but it comes on again
Please help asap .....thanks
Yes. Same thing.
Could a bad ECT, either the G62 or G83, make the radiator fans runs at full speed after the car as been turned off? Sometimes for 2, 5 ou even 10 min? Or even the overflow bottle sensor? This seems to be an intermitent thing, all temps seem to be normal, and this happens with cold and hot weather, hot and cold car, doesn't seems to be a specific time or temp of the day.
Mk6 Golf 2.0 TDI
Electric water pump failure! It does not show on fault codes. Replace pump £105 Eurocarparts UK
Hello I hope you can help me. I have a VW Tiguan TSI 2010 model, I am based in the middle east where weather is changing two times a year. Now every time summer comes the temperature in my country reach up to 50 degrees, that is the time I am having issues every time I start my car the AC switch off then error in my dash board appear, not only that the electric parking is not working. Thanks in advance for your help.
I have the same problem on 2011 tiguan
Haven’t drove my mk5 in two days (called for snow so I drove my suv for safe measures) just a little while ago I went to start it up and it flashed that light (23 degrees Fahrenheit out) i checked it and it was full so maybe the coolant bottle is bad 🤷♂️🤷♂️🤷♂️
Hi i have a 2005 polo 1.9 tdi... Coolant light came om check all the levels all seem fine except my water expansion tank aas overfull and the liquid in it smelled like diesel
Same happened to me today. 07 vw eos 2.0T. Not overheating,
Sometimes its just the reservoir level plug not properly inserted or faulty reservoir level sensor
I have a 1989 t25 and the coolant light flashes intermittently .The level is ok and temp is ok. Ive changed scensors but still an issue . Is it worth changing the coolant bottle ? Ive also changed the cap
Unfortunately i cant get a coolant tank for the 2002 VW Eurovan. Any of these interchangeable with other tanks with minor modifications?
I have a question oil is passing to antifreeze tank.. but no overheating or whater into motor..its just oil into antifreeze tank..any help..please its mk7.
I have a 02 Jetta 1.8t
The temp light always coming on and off but it does not over heat and I change the sensor already
(Ofc I got coolant)
Any suggestions ?
Did you find anything out about your issue? I have an 02 ALH beetle and light just started coming on. Brand new temp sensor and coolant reservoir. Levels are all good and I did a coolant flush before installing new reservoir.
Coolant sensor displays that the car is over heating at the same time it says wiper fault plus it turns light on automatically and in that moment the indicators will not work the car is a polo TSI
Hi, Please forgive me for this late reply to your comment but I am experiencing the exact same problem with my POLO TSI. I would like to ask what you did to resolve this problem? What was the issue because my car has these exact same problems
how do you feel about using Zerex G40 in MK5 Rabbit? parts store is telling me its the same thing as G13, I dunno, wanna be safe
My coolant light was in bought some g13 I go to add it and as soon as I opened the cap the reservoir filled right up.... never seen this before
Aaron did you find out what the problem was? Same thing happening to mine.
sounds like its pressurising too much could be head gasket failure a CO test would confirm
Have a 2013 volkswagon jetta light is on radiator is leaking car is pulling I hit a deer so. Car would start and quit I had too restart car not sure if car is ok. Saw oil on the ground?
Hi . I have a 2012 jetta 2.0 S automatic trans. there is a beeping sound and the trans light comes on 3 times flashing and it goes off, it does this frequently and randomly. But it does not effect the driving or the gear changing . I looked it up and its says on manual that the transmission gets overheated. Which i strongly doubt cuz some times it does that as soon as i strart the car. Does any one has any idea what it might be ???? I changed trans fluid and filter 3 months ago as i was told by the mechanic but it didnt change anything, lately i have noticed that it mostly does it going up hill but almost never going down hill . If any one have the same problem i would really apreiciate your help.
Please help i hv a vw polo blm engine the coolant blow out tru reservoir breather while am drivin bt the car does not overheat fan turns on fine at 90 degres ,i resently changed the reservoir cap nd tried to bleed the system many times bt nothing helps
I have the same problem on my audi a3 I replaced my coolant bottle but its stil doing the same.thing
My B8.5 A4 coolant light came on and the coolant level was fine. The dealer have found corrosion on the terminals that triggered the light
Mylight came on as soon as i turned it on but lately when i shut my car off it makes light a boiling sound behind my dash on the right side where the coolant area is but my car is not over heating.. i think i need to put more coolant and there is more water in there which boils faster right
I just changed my bottle. I was driving home car wasnt over heating. Coolant was full. I pop hood. An bottle was empty so i open cap a bit an coolant came flowing back in to the bottle. Can some help me out here. Im confused. I blead the system. An this is still happening
My reservoir isn’t holding coolant but not running hot. What could be the issue? Should I start by replacing the reservoir?
i have a subaru i just brought last month. nd now my horn was beeping by its self a day after i got my front brakes and routers done because it was sweeking . so i had to get my horn taking out so now i need a new horn, and everytime i start my car, my cooling light is on for like 4 mins then its off and my engine makes this loud noise when i first start it. nd when i was on the high way 2 days ago nd exiting the highway and my car started swering , i feel like this is too much for me because this is my first car and everything is going bad and the dealer said nothing was wrong with it, i test drove it nothing was wrong but a day later everything way bad. i just want to know whats actually wrong so i dont spend my hard earn money. and the h and c isnt on the subaru dashboard so is so difficult to know about the cooling light
I'm having a like problem in my 2012 Passat TDI 2.0. The light comes on steady but the car heats up to 190 and stays consistent. The thermostat and water pump are fine. If I pull over and stop and restart the car, things are ok. I've got a code checker and no codes show. Could this be the coolant bottle? Is the sensor located in the coolant bottle? Thanks
Yes
I have that problem and is only went is cool in the morning 30 or below ones warm up goes away
How about at cold start ups only. My 2000 Jetta has that light coming on only at cold starts
FadedHero Icon I have a 2011 and it just happened to me .. never has come on before and first start of the day. Did you find out what was wrong with yours?
What should i do same pronlem
Does it to me when it gets cold. 2012 Volkswagen passat se. Coolant in overflow and temp gauge stays firm at 190.
Same problem with my car siat abiza 🤔
So it's basically telling you need to put radiator fluid in your car.... I have to be honest my mini Cooper 2007 had this and I was already worried about the weird noise but I just realized it was just the timing chain well hopefully just the timing chain....
MY VW Amarok has had a cooling system issue recently where it seemed the water temp was colder than it should be. While driving the car, the temp would be around 84 deg, but drop down to 50deg C. Then sometimes go up to 93-96, but quickly back down. I have had the thermostat changed, and while running the first time, the temp steadily went up to 94deg C and was up and down around that temp, but when idling my car for a while, the temp gauge drops down to 45deg C, and while idling, it stays around this low temp. Is that normal for the temp to be that low at idle?
Coolant temperature sensor bad
I have a Volkswagen Polo 1.6 2003. Started getting low coolant level warning (coolant light flashing). I checked the coolant level. Then I replaced the battery (it was due anyway). Then I replaced the coolant reservoir (i.e. the level sensor which is integrated into the bottle). And the flashing coolant light still persists. Any ideas what could be the problem?
Got the same problem 1 year now with a polo 9N. New expansion coolant bottle, new temp sensor, wires until the cluster checked, connections ok (all parts German OE). Still flashing and beeping.
Got the problem fixed?
Just happened to me. Video came up immediately
Mee too i went valvoline they fix in 1 mimute for fre
for a 2005 toyota camry
Yes my temp warning came on for 15 minutes and I had coolent in it
This happen to me recently I drive a GTI MK6 anyways it was just a bad thermostat
I own a golf mk6 2.0 TDI. My coolant light flashes on and off. It says in the manual that this means "fault in the coolant system" "use expert advice" the temperature is 90 which is normal. yet the light flashes within one minute of the car being turned on and it "flashes constant" any advice, should I still drive it if the temperature is normal even tho the light is flashing????? Please help!
+Vintage Yu-gi-oh it sounds like your issue is exactly the same as the one answered in the video. You should watch the complete video as the answer is the same.
Rather than replace the bottle, you may be able to scrape the metal tabs in the bottle and expose a fresh surface...
Electric water pump failure! It does not show on fault codes. Replace pump £105 Eurocarparts UK
The car would overheat if the water pump failed, correct?
@@amcrae1 yes very quickly
That’s exactly what I thought cause the light went out after
what may be the reason when the engine coolant light comes on but level is still fine above min?
They covered that in the video as well.
When I start my car it shows me the engine heating light .After going 2 to 3 hundred metres.i stop my car take the key out .then start again then it shows nothing . please advise me.thanl you sir.