GolfGTIforum.co.uk
Model specific boards => Golf mk7 => Topic started by: vw spur on 13 January 2017, 07:28
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I bought my GTD brand new in April 2016, I've checked fluid levels fortnightly ever since I've had it and all has been fine since I have had it, this morning I came out to go to work and as soon as I started the car the low coolant warning appeared, I checked the level straight away and it was below the minimum, would the recent cold snap have had anything to do with this or have I got a leak or something more serious to deal with??
The engine has never over heated or anything and the gauge always sits in the middle when up to temp so I'm a bit concerned as to why a new car with 8000 miles on the clock should be losing coolant.
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Get it in for a check over, my MK5 GTD 170 destroyed a water pump seal with less miles on it than that, luckily I spotted a pool of coolant on the garage floor.
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My R did exactly the same thing at about the same age as your GTD.
I took it to the dealer and by the time I got there the fault code had re-set itself and the level was very low. I didn't have any proof of anything that the car warned of and once the car had been re-started it was low but acceptable so they sent me on my way...
It did it a few nights later and I had to top it up. Since then it's been fine (thankfully) and hasn't shown any more faults, errors or required topping up.
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Level down = leak. Get it to your dealer asap. No point taking chances and don't top it up either - that's your evidence so they can't ignore it!
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There have been a few with thermostat housings that have needed replacing including myself. Don't leave it below minimum, top it up and have a word with the dealer. There will be tell tail stains on the engine where the leak is.
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You say its a leak, but mine did it once, I topped it up and since then its never come back.
I was expecting to find it used it regularly, but coming up to three years, its only happened once.
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You say its a leak, but mine did it once, I topped it up and since then its never come back.
I was expecting to find it used it regularly, but coming up to three years, its only happened once.
Same experience as you..
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You say its aleak, but mine did it once, I topped it up and since then its never come back.
I was expecting to find it used it regularly, but coming up to three years, its only happened once.
It's a sealed system, if the level drops then it's gone somewhere. The level should not drop.
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Thanks everyone, I've just been onto the local dealer and I've booked it in for Tuesday for them to have a look at it, they aren't the supplying dealer as I don't fancy a 50 mile trip to where I bought it.
The service guy said something about some GTD's coming from factory have had an air lock problem which has caused a similar problem with the coolant, how true that is im not too sure.
I'm going to leave the coolant level as it is as I can just use the Mrs' car on Monday and the dealer is only 5 mins from the house.
Will report back with the outcome
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You say its aleak, but mine did it once, I topped it up and since then its never come back.
I was expecting to find it used it regularly, but coming up to three years, its only happened once.
It's a sealed system, if the level drops then it's gone somewhere. The level should not drop.
I agree, but wherever it went, it never went there again.... a bit like me and Magaluf.
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The service guy said something about some GTD's coming from factory have had an air lock problem which has caused a similar problem with the coolant, how true that is im not too sure.
This has been recognised as an issue and documented on other forums. Apparently due to an inability to be able release air from the system at the factory, this air later fully bleeds out of the system several thousand miles on the clock (around 8-10k) and appears to look like a loss of coolant as the escaping air leads to a drop in the coolantl reservoir. If this is the case, top it up and should be ok.
Other common culprit of an actual leak is the water pump.
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That sounds like a definite explanation of what happened.
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The service guy said something about some GTD's coming from factory have had an air lock problem which has caused a similar problem with the coolant, how true that is im not too sure.
This has been recognised as an issue and documented on other forums. Apparently due to an inability to be able release air from the system at the factory, this air later fully bleeds out of the system several thousand miles on the clock (around 8-10k) and appears to look like a loss of coolant as the escaping air leads to a drop in the coolantl reservoir. If this is the case, top it up and should be ok.
Other common culprit of an actual leak is the water pump.
Thanks Booth, you've kind of put my mind at rest now you've said you've heard of that issue too, I didn't know if the service adviser was just spinning me a line. The car is booked in now so I'll take it in and just let them give it the once over, at least then it'll be on the system as having been in just in case something happened further down the line.
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I topped mine up with some of the pink fluid after about six months. Never moved after that.
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Exactly the same with mine. The dealer had a technical note from VW that stated the air lock issue during manufacturing and could occur during the first 15K miles or so. They topped it up and said to keep an eye on it just in case there's something else going on.
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An airlock was going to be my next suggestion. But you all sneaked in while I was at work :wink:
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My 63 plate GTD had sudden coolant loss and checked on the forums ref air lock and it never happened again during 30,000 miles of ownership. 10,000 miles in with my 65 plate GTD and the same thing happened, so topped it up and its been fine since. Similar problem has occurred with some Audi's that work colleagues own and it does appear to be a VAG trait! Yes if you suspect / have other signs of an actual leak obviously best to get it checked out at the dealers.
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Exactly the same with mine. The dealer had a technical note from VW that stated the air lock issue during manufacturing and could occur during the first 15K miles or so. They topped it up and said to keep an eye on it just in case there's something else going on.
Exactly the same as mine, and never moved since
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Interesting thread as I just checked the GTD the other day and the coolant level was just below the minimum after 24k miles.
I put a slight amount in and will let the dealer fill the rest at its next service.
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I had the same issue with my GTD @8000 miles. Garage said that it was a common issue with the engine.
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All turned out fine with the coolant loss, system was pressure tested and no leaks found, air lock diagnosed and system topped up.
On collection I was advised the oil was low, was on the halfway mark so I bought a litre of oil to top up, they said they'd take care of it for me so we walked out to the car to do it and as soon as the bonnet was pulled I thought to myself something is missing here, it dawned on me the engine cover was missing to which I was told these cars don't come with one, I know it was there as I checked coolant level before I took it to the dealers, it turns out the technician forgot to put it back on, the one they brought out to put on was a TDI cover and I'm sure mine had a GTD cover, can someone with a GTD please look at what cover you have got and let me know plz
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Just checked, TDI.
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Thanks Silver38, I must have imagined the GTD lettering then :whistle: