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- เผยแพร่เมื่อ 24 ส.ค. 2024
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How we fixed our 2016 VW Passat 1.8 tsi low coolant issue. We were having an issue where we’d have a low coolant light come on every couple of weeks. We brought it in to get checked, no leaks. The only component not tested with the pressure test was the cap, we changed the cap and the problem hasn’t come back.
@vwcanada@volkswagen
I’m having this issue right now, I’ve been to two shops in the last week and when I googled it they mentioned head gasket issues smh, going to try this now!
What year is the car
Did solve the problem with replacing the cap ?
My old 98 Pontiac almost died from no oil due to the oil leaking out of the oil sensor plug. The replacement costed 7 bucks. Car almost died for something that costed 7 bucks lmao.
Good idea to check or clean the cap sealing surface
Crazy it was the cap. I'm working on my 2011 VW Jetta now. Coolant reservoir looks good, but I might just replace since it's only $23 for a new one. One hose has some discoloration which I will replace as well, but I have to trace it all the way through the other lines and engine. But parked, the coolant leaks directly below the right front passenger tire, so it's somewhere on that side that is causing the level to drop consistently. Just started happening so I'm trying to assess myself before having VW dealership charge me $600.
what ended up happening?
I'm having coolant shortage, with my treg and I suspected the cap because there's significant patches of vapour around the cap.
I'll get a replacement straight away.
Tnx.
Hi just had the same problem. Thanks for the Tip.
Let me know how it goes
Hey, how is it going? Has it given you any issues since?
I had numerous refills and top offs with my 2022 Taos. This might explain why. One VW dealer told me that these cars consume coolant normally. That sounded ridiculous!
They consume oil, no way is it supposed to consume coolant
Every Vw I owned consumed coolant and I always have a bottle in my trunk
@@vertihvost7675 I have 4, your cars were leaking
Some leaked some didn’t but coolant jug is a must in a trunk
@@vertihvost7675they should not leak any amount that will alarm after even months. I’ve had my 13 tdi sel for 5 years now and never had to refill coolant until there was an issue with the water pump and today with my unknown leak
I think the issue can be very different, dependihrg on the symptoms.
Like, does it leak or not.
Does it smoke white for example or not.
Does it overheat.
Etc etc
By these issues they can find the issue.
Like I said in the video, we got it checked for leaks, and pressure tested it, the only thing outside of the scope of the tests was the cap. It corrected the issue on both cars, but I agree get the system checked first
@@newoldcar_ I was talking in general, just so someone doesn't get confused on when having this issue.
Man look how clean that engine is I hate my job always destroys my cars dirty building sites 😂
Lol it was just detailed before the video
The cap can cause to have a pressure on coolant system when the cap does not work doe to age or broke
The cap is not our friend
Hi i have the following technique did once when changing the coolant of the mk4 2.0 golf; For like 15 minutes, the engine is On and i accelerate hard each 3 seconds with the drain port open emptying the used coolant but at the same time im filling the coolant from upperside ( were we add coolant) with a an average garden (mineral water) hose with normal water flowing, and we check down till all the drained strange color dissapears. After this process, never had a problem using the car on average but i just did it once, you recommend me to do this again?, or should i just limit to change the coolant without this other cleaning method?, thanks in advance!
Same issue. After short run if 10 miles, "Low Coolant Lever" alert and coolant is found to have gone from full to dangerously low level. Refill, and repeat 10 mile run and same issue returns. Subsequent visible leak inspection shows wetness under coolant bottle and just a few drops on floor beneath area of bottle. Bought a new cap for 10$ but I want to test if original 4 year-old cap is faulty. How to test for faulty cap pressure level? Why? If I cannot prove the original 4yr cap is faulty, there has to be a fault somewhere still lurking ! Vehicle 2018 Arteon 2.0L Petrol.
air compressor with a pressure gauge and an old coolant tank? something like this th-cam.com/video/qpIwm9PG-jM/w-d-xo.html
The test is if the new one solves the issue then the old one was faulty 🤷🏻♂️🤦🏻 You did say you bought a new one…..
The fault ended with quite heavy costs. The water pump housing in now on revision P. Mine was rev A and one kind vw qualified engineer told me "they all do that". Leak that is, and ar an alarming rate. So I was forced to have the latest version fitted. It is a real complicated piece of kit but being made of plastic to be expected. There are 5 ports on it and the wall thickness is stupidly this. Feeble little O rings cannot do a proper job. I have 6 photos of mine which I can upload if requested. You tube permitted.
Thin not this
Hi ! I just replaced mine on my Skoda about a month ago and it seems like I lost a couple drops . Is it normal?
Today my car just blew white from under my hood and there was a big puddle under my car but no overheating or nothing. I checked the reservoir it was empty I put coolant in there but it drained right out underneath the car. Any ideas would be much appreciated!
You have a leak from a coolant pipe or radiator
I’ve changed my cap and bottle still got the issue
Did you find the cause?
@@ridu9976 nope been several places non of them know what there doing found a guy so I’ll let uno what happend
My coolant level it’s low I think I have the same issue
I have 2021 Jetta mine says “please check coolant level, see manual” I check it its between the min and max line it goes off for two days then comes on again for less than 5 mins before I just restart the car
Sounds like a faulty sensor, possibly still under warranty?
@@newoldcar_ i believe so
In my Mk5 R32 I had a coolant leak from the expansion tank so i changed it, but 2 days in and i noticed my coolant disappeared no leaks so im puzzled maybe the cap i didn't change it to a new one with o ring ill try that.
you have to make sure that you get the appropriate cap for your car, they're rated differently depending on the year. Did you fix your issue?
Can you confirm that this fixed the issue? Or are you still having issues with the cars? I have a 2017 GLI and about 2 weeks ago it was just above the minimum line and tonight it threw a check coolant warning at me just as I had got home. I have yet to investigate if there is some other issue, I just got the car from a reputable dealer and figured there likely wasn't anything wrong with it, I'm going to follow up with them after I check under the hood and conduct my own investigation.
We haven’t had the issue since
Hello, i have a Golf Variant 1.9 TDI year 2008 and i am having this issue atm when i turn the car or i get the message STOP and check the antifreeze light comes on..there is no smell, no visible leaks no smoke coming from the car...could really the cap be the problem?
It could also be your water pump, which I believe is driven by the timing belt, it would be difficult to see a leak
@@newoldcar_ I just got my timing belt, micro belt and water pump replaced a week ago at a trusted mechanic, i bought the cap today and will try this if it will not work i will call the mechanic
Thanks for the video.
How much coolant did it drop per 1000kms, my VW 1.4 (same bottle and cap) is spending about 100ml per 1000kms never found out why.
Could you visually see your coolant boiling in the expansion bottle when you had this problem?
Did you had this situation in two different cars?
i don't know exactly, I couldn't see it boiling but i could hear a hissing noise when the car was off. yes it happened to two VWs with the same exact engine
Thnxs a lot yes sure easy things first;) yes very good man very good yes 1 cap number 2 see leaks on hoses and number 3 lak test,4water pump,4 egr cooler if diesel egine.
Best of luck
I just changed my radiator and now my coolant steams out the coolant cap and I could hear it boiling/pressure . What do you think the problem would be with the thermostat or a blown head gasket??. I start the car and within 5 minutes of driving it starts steaming and boiling
What does your temperature gauge say?
you might have left the blanking plug in one of the rad tubes.
I chek coolent level in 2000 to 2500 km and level was low , what is problem ?
Get the system pressure tested, and go from there
Is there meant to be a gasket on these caps? I have the same issue, but I noticed i dont have an o-ring/gasket on my cap. Is this normal, as i can find on eBay gaskets for the coolant caps? I'm a bit confused?! Thanks for the advice!!
There is an o ring on the black piece, I’m not sure what size it is though, you can try and find one, but it might just be easier to get a new cap, they’re not that expensive
But does the check engine light come on if it is the radiator cap?
low coolant light would come on
I just got this car from somebody and it’s leaking coolant 😭somebody help
Bring it to a garage
Never thought about that im gonna order a new cap right now see if it will fix my car
Did it work?
What kind of coolant did you use? and What brand?
I used pentofrost
Replaced mine still same issue
Did you check all the other things first?
I have same issue currently car not overheating, 100% service 😢😢😢😢
Thank you 😅😅😅😅 bought new cap Everything is fine now
That's good to hear let me know if anything changes
Maybe i should also buy a new cap. Been buying coolant for almost every week now but car is not overheating.
Hi, I've recently notice lower coolant levels on my pd105 anyway have looked around can't see any coolant leaking. I have changed the cap and will see how it goes but the new cap isn't a very tight fit compared to the other one, or doesn't click into place when tight. The new one just stops at the stop. Is yours a tight fit or just stops almost hits a wall feeling? Cheers
Is it an oem cap, mine does the click but it was not as tight as the old one, the old one was very difficult to take off
have you had leaking again? or stop
@@kuqezi777 sorry for late reply. I had a good look and the coolant housing was leaking through one of the bolt holes so thats sorted now but ive kept the same cap
its tru
You probably got ArmorAll on the seal..
Nope, engine was detailed after the problem started
@@newoldcar_ Sarcasm....
@doginu where is the /s
Stop acting like people are dumb for not getting shitty sarcasm in text
@@Bidenmytime where is the /s ??? Did I hurt your feelings. If it was the cap you would see coolant residue on the the tank. If it was pressure tested correctly it would have shown and if you got protectant on the seal, it would not seal correctly. Try some on your wipers, see how they work. I'm a VW Tech, why don't you work on your spelling...
I hate cars so much😭, all i hear is money is about to be spent
Fuck I know my car today just started leaking coolant and a lot of coolant
Do a 'sniff test' on the coolant could be a head gasket
It’s not a head gasket
Worthless
Is there a radiator cap on these vehicles? I'm trying to fix what I believe to be a radiator leak by using sealant. Directions say pour directly into radiator. But can't find spot.
Don’t do that
Why not to use?
@@newoldcar_ I did it and it worked 😄
Hi@@jclaxton78 where is the radiator cap located?
@@delgadoughthey dont have a traditional rad cap
its tru