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Poor demisting

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My 2008 scout has always been very slow to delist the windscreen.In fact the moment I turn it on it gets significantly worse,and takes 6min or more to clear it .Is it a common weakness or should I take it in ?

12 minutes ago, scog said:

2008 scout has always been very slow to delist the windscreen

When was the pollen filter last changed. If your answer is "don't know", that's the first thing to do.

@scog  Welcome,

I dont not know about your particular model but it would be unusual if it was so different from many other Skoda models from before 2008 right up to nearly 2020 and demising is pathetic.

'Simply Clever' might even have Skoda put an ice scrapper in the filler flap but as the decades roll on the Fuel Filler flap freezes shut in certain weather conditions.

 

Eventually as Electric Cars join the model range there will be appropriate interior demisting of the windsreen and interior glass.

If it has always been this bad then they may be not a lot you can do. If on the other hand it has been getting worse without you noticing much and now it is very poor then some maintenance may help.

 

Checking the obvious would be a good idea, check carpets for wetness, cabin filter replaced (as per @KenONeill), Aircon tested and regassed in last 2 years.

 

Mine is not amazing, and there are winter threads about it but I wouldn't describe it as pathetic.

I had a rover 45 L series diesel as my last car..  that thing was bullet proof, but boy did it take forever to warm up and de-mist!

 

I keep seeing threads on here about how poor the demisting on MK2 Octavia's is, but compared to my previous experience it's just fine. Hit the de-mist button, and by the time I've scraped any ice off the car it's usually pretty clear.

 

There are a few tricks I still use though, putting a hot water bottle or 2 on the dashboard 30 mins before travelling usually helps to get rid of ice and condensation... I've also been known to pour lukewarm water on the screen too, so long as it's only a change of a few degrees there's very little danger of cracking the screen and once the water has warned the screen the mist is driven off very effectively till the blower is toasty.

1 hour ago, chrisund123 said:

I've also been known to pour lukewarm water on the screen too, so long as it's only a change of a few degrees there's very little danger of cracking the screen

I have done similar but with unheated water from my cold tap in the kitchen. Works well for me.

 

Pouring water cold or warm can make the condensation worse in the inside glass, not very good in a car with poor demisting

 

Especially if everything has been done, no damp carpets / mats / cloths / clothes in the car, Moisture traps / containers of salt / clean interior glass / hot water bottles / 

Drained doors winter time when water poured on windows can freeze and trap in unoppened passenger doors, that would be where minus temps are happening,

reconditioned rubber seals / silicone spray / **Gummi Pflege** etc etc 

 

Green House heater working in the car and a wind deflector so the window can be open 2mm when parked, just fandabby dozzy.

 

PS

when day and night time temps are below freezing maybe front or snow on the windscreen pouring water that goes in the air intakes below the windscree and freezes is not 'simply clever' if trying to demist. Or the glass inside has Jack Frost on it.

 

 

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Edited by Roottootemoot

Don't forget that climatronic cars will demist the windows quickly as long as you have it in auto or have the aircon switched on (as long as the outside temp is above ~4 or 5 deg C). With the heater blowing warm/hot air and aircon on, the cars humidy is reduced quite quickly.

 

The way it works is the incoming air is cooled to condense out the water vapour in the air before then heating the dry air up to the set temperature.

Leaving the unit on auto all year round will give you a dry car and, due to the modulating type of aircon compressor now used, will not significantly increase fuel consumption.

My MK1 had Climatronic, the aircon clutch broke in my poor days and trying to remove the old centre plate without my proper tool set i managed to buckle the pump shaft, result I drove without aircon for a decade, as the car got older the condensation in winter became more and more apparent.

 

When I finally replaced the pump and got the aircon working and kept the Climatronic on Auto it dried out dramatically even when used on constant short journeys, it really does work well.

Heh, winter must be coming is the demist threads are back: https://www.briskoda.net/forums/topic/292098-how-long-until-the-excess-condensation-threads

 

 

 

I always feel left out as I rarely get any condensation inside my Octavia. If I do, it tends to be when the windows have iced over and clears by the time I've scraped the ice off.

 

All I can suggest is you keep the AC on all year round, don't leave anything damp in the car and actually use the car long enough to get the cabin warmed up. If you're not able to do the latter, it might be worth using the moisture absorbing bags.

 

Might be worth checking your AC drain isn't clogged too. If you've got an excess of moisture in the HVAC system, it'll immediately put it on your screen as you turn the heater on ;)

 

2 hours ago, langers2k said:

 

 

Might be worth checking your AC drain isn't clogged too. If you've got an excess of moisture in the HVAC system, it'll immediately put it on your screen as you turn the heater on ;)

 

 

Where can you find the AC drain point please?

Mines doesn't mist up to badly and clears quite quickly but I still bought some of those bean bags with the silica gel in them, get them at the end of winter when they're dirt cheap as in down from £7.50 to £2.50 and less, I stick two on the front dash and two on the back parcel shelf then when the circle changes colour you dry them out in the microwave 

  • Author

Thanks all for helpful comments.

Pollen filter was pretty dirty so fingers crossed.

Sounds like the a/c drain will be the next thing to check if it still iffy .

Hopefully it’s fixed your problem but if not get some 5kg dehumidifier bags in the car to absorb the moisture in the air. My mk2 Octavia was a joke and despite ac working and pollen filter renewed it would take ages to demist and worse still ice on the inside of the windscreen when the temperatures dropped. 

On 09/10/2019 at 12:20, CWARD said:

Hopefully it’s fixed your problem but if not get some 5kg dehumidifier bags in the car to absorb the moisture in the air. My mk2 Octavia was a joke and despite ac working and pollen filter renewed it would take ages to demist and worse still ice on the inside of the windscreen when the temperatures dropped. 

Probably it depends on your driving habits. If your daily trip is some 5 km to work and back then you won't get much effect from AC.

 

In wintertime it's rather easy to get much water in car. Snow that's attached to the boots - you get quite a lot of that and it won't disappear so easy and fast (at least it happens in my country, snow here is a common thing in winter). Sometimes I have longer journeys (2-3 h) and then I see the effect from AC. In the very end all the windows are dry and everything seems to be fine.

 

I change pollen filter once per year.

Get used to it. The MkII is a damp car by design...

 

 

1 minute ago, silver1011 said:

Get used to it. The MkII is a damp car by design...

 

 


 

I guess the thread started earlier this year. 

It started 6 years ago, and was already a topic heavily debated for a good couple of years before that 😂

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