Low Coolant Level 2015 Poli GTI

[tomh24]

I'm out of town for a while over the holidays and today when checking the oil I noticed the coolant level is about 1cm below the minimum level on my 2015 polo GTI. The warning light also came on for a few minutes but has now gone.

The car is booked in for its 30,000km service in about 3 weeks time. I went to Supercheap auto and saw a pre-mixed bottle of Nulon coolant, that was the only brand they had.

Should I be topping this up or wait until the service is due at VW in a few weeks and is this brand suitable for the car?

Is it unusual for such a fairly new car to be low on coolant??

[Umai Naa!!]

I'd just top it up with water, and keep an eye on it, until the service.

Have them take a closer a look at it, and get it pressure-tested.

[EJ91]

I'm out of town for a while over the holidays and today when checking the oil I noticed the coolant level is about 1cm below the minimum level on my 2015 polo GTI. The warning light also came on for a few minutes but has now gone.

The car is booked in for its 30,000km service in about 3 weeks time. I went to Supercheap auto and saw a pre-mixed bottle of Nulon coolant, that was the only brand they had.

Should I be topping this up or wait until the service is due at VW in a few weeks and is this brand suitable for the car?

Is it unusual for such a fairly new car to be low on coolant??

I had the same issue, bought the same coolant. Top it up youll be fine. VW dont give a ****, theyll just brush it off.

[BenT]

My mechanic observed that the radiator was wet at the bottom. Coolant level was only very slightly down. Have it booked for an inspection by VW.


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[tomh24]

So I called VW and they suggested just top
It up with demineralisd water. I topped it up to the min level, after getting home after about a 400km drive it has dropped again about a millimetre or two below the min level.

I will have to get them to check it out at the 30k service in a couple of weeks

[Umai Naa!!]

It does fluctuate a bit, depending on the temperature.

Put it at the MAX mark. It will vent any excess coolant anyway.

[KiwiME]

So I called VW and they suggested just top
It up with demineralisd water.

Good advice ... it pays to avoid mixing coolants unless you are dead sure they are compatible. Obviously document what changes you see in preparation for the service, perhaps each day when the car is stone cold and avoid adding any more water if possible.

[tomh24]

I'd just top it up with water, and keep an eye on it, until the service.

Have them take a closer a look at it, and get it pressure-tested.

Thanks. Should asking them to pressure test it be included in the capped price for the service or do you think they will try and charge me extra?

[Umai Naa!!]

The car is under warranty, so I'd imagine there would be no charge. Unless of course they find that the problem is not warrantable, such as a stick through the radiator.