Front Windscreen Misting

[adw]

Hi all

I’ve noticed, and its random, my front windscreen is misting. Most noticeable in the dark.

It starts off showing the shape of the windscreen blowers on the glass, then works its way up the whole front screen. When I put the ac on, hot or cold, it only clears the bottom half of the screen whilst the top half is still misty.

Just wondering if anyone has experienced anything similar. There doesn’t seem to be any signs of coolant loss.

It could be a matrix issue, but the car is brand new.

I’m going to give the glass a thorough clean at the weekend, but just seeing if anyone had had this issue

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Mods:

AccessPort / Stratified tune + STuned extended pops & bangs + custom pop and bang intensity / Boomba Racing short throw plate / DMB inlays / Mountune air filter / Mountune RMM / Mountune Recirc / Milltek Non Res Cat Back

[white-rs2]

With AC used, it pulls all the moisture out of the air within the car. Once the AC is turned off you then get flooded with moist air and this hits the glass and you get misted glass.

Using the AC it’s either on constant or if it’s only really hot or really cold as a heater, using it on, off, on, off, etc will cause the cabin to mist up, due to the ingress of moist air.

As for the pattern heated moist air rises, so the top of the screen will take much longer than the base to clear.

🙂

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RS Edition.

FPM375 Rocks

The rest of the “M” maps suck

[adw]

Thanks white. It happened about 20 mins ago and its like 22 degrees outside! I’ve just given the front screen a good clean to see if that helps.

I can still see the suction cup marks from the  factory fitting machine which was interesting to see!

Checked coolant, all seems OK, so watch this space

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Mods:

AccessPort / Stratified tune + STuned extended pops & bangs + custom pop and bang intensity / Boomba Racing short throw plate / DMB inlays / Mountune air filter / Mountune RMM / Mountune Recirc / Milltek Non Res Cat Back

[CaRSrus]

Noted the same but to a lesser degree than you describe. My AC is left switched on, and noted 2 small misted patches at the bottom of the screen when driving from Leeds to Scotland earlier this week. Was very humid outside, but not sure that would have had a bearing on it. Nothing to worry about, I’m sure. Keep us posted though as your misting sounds to be more extensive.

[adw]

After a clean it seems to have settled down a bit. Its still there, but just not as bad. Cracking the windows down a little bit each day to dry out any potential dampness.

Just waiting for a colder day to see if it still occurs.

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Mods:

AccessPort / Stratified tune + STuned extended pops & bangs + custom pop and bang intensity / Boomba Racing short throw plate / DMB inlays / Mountune air filter / Mountune RMM / Mountune Recirc / Milltek Non Res Cat Back

[adw]

Unfortunately the window is misting again! However, lightly, but still reduces vision in the dark. Had the A/C on and was still slightly misty.

This cant be normal. Might have to take it to dealer, but really cba for them to take it off me for days on end until they ‘find’ the cause.

 

Coolant is still ok.
No unusual smells.
Not yet checked the cabin filter.

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Mods:

AccessPort / Stratified tune + STuned extended pops & bangs + custom pop and bang intensity / Boomba Racing short throw plate / DMB inlays / Mountune air filter / Mountune RMM / Mountune Recirc / Milltek Non Res Cat Back

[shadowspectre]

I have had this, and I agree it is worse in the dark, I figured because it is colder outside as my old Mondeo used to do it in Winter. I was driving around and had the heaters on to try and clear it and after about half an hour it was too hot in the car so I turned the temp right down but without A/C and it cleared straight away. It’s a pain to be honest.

[adw]

The trick ive found… Turn the quick clear feature for the front windscreen. Does clear it a lot better than the A/C. Tried it out today, but it switches itself off after 5 mins, then it fogs up again! grrr!

Going to check the quality of the cabin filter tonight.

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Mods:

AccessPort / Stratified tune + STuned extended pops & bangs + custom pop and bang intensity / Boomba Racing short throw plate / DMB inlays / Mountune air filter / Mountune RMM / Mountune Recirc / Milltek Non Res Cat Back

[shadowspectre]

Yeah I have resorted to the same thing as keep putting the temp up and down was really annoying. Let us know about the cabin filter because it is really annoying. I don’t like sitting at idle with the quick clears on all the time because the idle is even lower than normal and the car judders a bit.

[adw]

So I took the cabin filter out. And I don’t know if it’s good or bad. The thing is filthy. Now I don’t know much about the filter on these cars, but the pics are just after 2,000 miles of use.

Is this normal?

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Mods:

AccessPort / Stratified tune + STuned extended pops & bangs + custom pop and bang intensity / Boomba Racing short throw plate / DMB inlays / Mountune air filter / Mountune RMM / Mountune Recirc / Milltek Non Res Cat Back

[shadowspectre]

from a quick google search it doesn’t seem that bad but unfortunately that is my only experience with a cabin filter.

[adw]

I’m still having this problem. I have even put special hydrophobic coating on the windscreen and it’s still bad, especially in the dark. Anyone else had any experience with this issue?

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Mods:

AccessPort / Stratified tune + STuned extended pops & bangs + custom pop and bang intensity / Boomba Racing short throw plate / DMB inlays / Mountune air filter / Mountune RMM / Mountune Recirc / Milltek Non Res Cat Back

[howsey]

It’s Autumn, your screen is going to mist. It’s colder at night: colder means more mist. Google ‘Physics’ or try holding your breath.

[71-bda]

A classic Howseyism there !!

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No nothing.

No Mods. No rockers. Just a chunky knob, thats now been replaced by an RS knob innit.

No tackiness.

Std as Ford intended, but with a space saver wheel and jack and nuts and wheel brace. oh.. and flaps, a man has got to have flaps.

Innit?

 

[howsey]

Jesus, Mike. Did they do an RS for eight-year-olds?

[Author]

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