3 minutes ago, toot said:

Other manufacturers even in Central Europe for use in Europe and globally have manage to defy physics & science that Skoda work with with their headlights. 

Instead of being Simply clever they designed & engineered a better product.

I have told this to the dealer several times, but the answer is the same, the led lights do not heat up 🤦‍♂️

17 minutes ago, toot said:

Other manufacturers even in Central Europe for use in Europe and globally have manage to defy physics & science that Skoda work with with their headlights. 

Instead of being Simply clever they designed & engineered a better product.

So you are actually saying this happens only with Skoda cars? Although the internet is full of cases also from other brands?

16 minutes ago, Combi_NX5 said:

I have told this to the dealer several times, but the answer is the same, the led lights do not heat up 🤦‍♂️

What did you tell them? That no other car manufacturer has this issues? 

Other cars might well have it.

Walk around a car super market or car park and look at all the other cars in the same environment / weather / world regions.

Pay special attention to Skoda or VW group ones. 

 

Vorsprung durch Technik. 

I don't have any need to do that really. 🙃

@TheUltraRunnernobody should.  If you have the normal small amount of condensation then great.

 

Those that have the faulty ones with H20 and at times ice and eventually corrosion and the need to replace expensive parts out of a manufactures warranty might be more interested in doing so.  

 

Fundamental design, manufacturing or material failures,  are something Skoda / VW commonly say 'they all do that' or never seen that before until someone or enough someones calls them out.

6 minutes ago, toot said:

@TheUltraRunnernobody should.  If you have the normal small amount of condensation then great.

 

Those that have the faulty ones with H20 and at times ice and eventually corrosion and the need to replace expensive parts out of a manufactures warranty might be more interested in doing so.  

 

Fundamental design, manufacturing or material failures,  are something Skoda / VW commonly say 'they all do that' or never seen that before until someone or enough someones calls them out.

This is the part that is worrying me, corrosion and other faults because of the water, in the areas that are not visible. Now they say it’s normal, but when replacement is needed, it will be my fault. This morning after my daily commute to work there was still some of it left, will check again before heading back home in about 2 hrs. No rain today or yesterday, only sun during the day and cold evening / night. 

Just to be clear. I was only referring to the normal condensation. Some of the cases in this thread are definitely not normal.

6 minutes ago, Ajdolin said:

 only sun during the day and cold evening / night. 

Ideal conditions for condensation. You don't need to worry about that. It will go away eventually.

Edited 11 January, 20233 yr by TheUltraRunner

28 minutes ago, TheUltraRunner said:

Ideal conditions for condensation. You don't need to worry about that. It will go away eventually.

Agreed. Will monitor further and see how it goes.

Well, I was driving in terrible wind and heavy rain and I'd no condensation after I checked.

 

interesting as mechanical items normally dont self heal

8 hours ago, Ajdolin said:

This is the part that is worrying me, corrosion and other faults because of the water

 

What do you think is going to corrode because of condensation on the headlamp plastic  lens?

 

There is precious little metallic parts within a headlight and the water vapour that has condensed on the plastic lens will be present all around them and all around every other metal part on the vehicle.

 

 

27 minutes ago, Hairy_Joe said:

Well, I was driving in terrible wind and heavy rain and I'd no condensation after I checked.

 

interesting as mechanical items normally dont self heal

 

No no no, that is not possible! Just when I had been taught all about thermodynamics you go and disprove it 🤣

 

 

On 28/12/2022 at 09:49, SkOmk4 said:

what I am saying is that a moving car and some temperature variation inside the headlight (from the lights) will enhance the air-flow in&out of the headlight and therefore a humidity increase.

Ideally, if there would be no temperature and no pressure gradient between the inside and the outside of the headlight, and no air moving along the back of the headlight (where the headlight vents are positioned) - then you'd have no humidity getting inside. Therefore:

- for a parked car the air exchange will be mainly due to the pressure gradient (that's mainly atmospheric pressure variations);
- for a slow moving car and no headlights the contribution of the moving air will be added;

- for a fast moving car with lights on there will be a higher contribution of the "wind" around the back of the headlight plus the temperature gradient.

 

On 27/12/2022 at 20:50, J.R. said:

an interesting concept

Not really. Just plain simple physics; thermodynamics to be more precise.

 

 

20 hours ago, Hairy_Joe said:

Well, I was driving in terrible wind and heavy rain and I'd no condensation after I checked.

That's exactly the reason why I was saying it's not normal...
Because most similar cars don't have this effect clearly visible, while other cars have plenty of condensation - when all exposed to similar conditions.

I remember @toot was mentioning recently on a different topic: you go through a large parking filled with cars that were there over night in cold, foggy or rainy weather - few cars will show plenty of condensation, but most of them will not. Which would obviously mean that condensation is not a standard feature for all cars, but it's either a design failure of a specific brand on a specific model or a defective headlight.

 

The question I asked weeks ago still remains unanswered by "condensation experts" around here. Where do you draw the line between "normal behavior" and "warranty replacement"? There's no line on the headlight marked "above this limit we replace the headlight", there's no standardization as to what's the outside temperature and the air humidity to achieve a certain amount of "normal condensation".
Obviously, the dealer response will vary from dealership to dealership, as it was the case for other obvious fails presented on this forum (e.g. software updates, steering wheel replacement etc.)

 

20 hours ago, J.R. said:

No no no, that is not possible!

It's ok, don't panic; you're not expected to understand...

 

p.s. I'm hoping not all of your 9.2k posts are as useful to this forum community as you last posts on this topic...

Not all cars....only cars with led lights. I think the majority cars still has normal halogen lights. At least here in Slovenia.

Where is the line? When the condensation starts to form into drops and they start to drip down the inside of light.

27 minutes ago, TheUltraRunner said:

Not all cars....only cars with led lights

Sorry, when parked outside overnight in "suitable" condensation conditions, there's NO difference between halogen, xenon or LED... (Agreed, halogen is still dominant here also)
And indeed, it happened over the years: I occasionally saw a Merc, BMW and/or other fancy(er) brands with condensation in the early morning, but that doesn't set the norm for those brands...

This happens with (removed the word “all” to keep Toot happy 🤪) LED headlamp units unfortunately and isn’t an issue only to Skoda. My mk7.5 GTi PP had it, my mk3 VRS before it. LED creates no heat to get rid of the condensation. 

Mine went away in direct sunlight the other day but this cold snap in UK has meant it’s returned, as mentioned perfect conditions right now for it. 

Edited 19 January, 20233 yr by Towelie
To keep Toot happy

@TowelieYou sound just like you could work in a VW Group Dealership or Customer Services. 'They all do that'. 

The thing is it does not happen with 'All LED headlights'.   The ones that it does not happen with must be faulty according to you.

Edited 19 January, 20233 yr by toot