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sol_stevo
Member Since: 17 Jul 2021
Location: The Empire
Posts: 174
  
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| Windows fogging up with heaters on?! |
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Hi all,
My windows started digging up today after a bit of a downpour I have the exon turned off as I want the engine to warm the car now, any idea why this is happening and fixes for it?
Cheers,
Sol
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 7th Oct 2022 11:02 pm |
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Motolab
Member Since: 18 Oct 2019
Location: Sleen
Posts: 1815
 
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Humidity and window temperature (outside temp) do make them fogging up….
To heat them up with your blower, does take time and does not always work if the circumstances are “there”. If the blower is functioning AND directing the air correctly, there is nothing more you can do
When aircons did not yet exist in cars in europe back in the day, we once in a while ( a lot!) had that problem too…
We all had all sorts of swabs laying around in our motors then… you did sometimes get them for free at fuel stations etc…
putting the aircon on (for a short period maybe) is the best solution.. as that acts/is a big air dryer….
And if there is no damp, it can not fog up 
Ps, with my aircon on automatic, the air is dry and the inside is as warm as i want…
If i want to save fuel, i use the econ button (aircon/cooler out) and if needed i push it on for a few minutes… Best regards
Harold
Always looking for Pre '55's & Pre war British Motorcycles! knowing or having one for sale? PM please. I visit the UK 6 times a year
Ps. I edit my texts quite often, english is not my native language, so I will edit My “typo’s” etc.
Last edited by Motolab on 7th Oct 2022 11:53 pm. Edited 1 time in total
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| 7th Oct 2022 11:49 pm |
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Moo
D3 Decade
Member Since: 13 Aug 2010
Location: Wiltshire
Posts: 13912
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You sure your not on recirculating mode? New Defender L663 110 SE (known as Noddy!)
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231,000 miles and counting
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| 7th Oct 2022 11:49 pm |
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sol_stevo
Member Since: 17 Jul 2021
Location: The Empire
Posts: 174
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Motolab wrote:Humidity and window temperature (outside temp) do make them fogging up….
To heat them up with your blower, does take time and does not always work if the circumstances are “there”. If the blower is functioning AND directing the air correctly, there is nothing more you can do
When aircons did not yet exist in cars in europe back in the day, we once in a while ( a lot!) had that problem too…
We all had all sorts of swabs laying around in our motors then… you did sometimes get them for free at fuel stations etc…
putting the aircon on (for a short period maybe) is the best solution.. as that acts/is a big air dryer….
And if there is no damp, it can not fog up
Ps, with my aircon on automatic, the air is dry and the inside is as warm as i want…
If i want to save fuel, i use the econ button (aircon/cooler out) and if needed i push it on for a few minutes…
i tried that and it did the trick for a while, is that the way to somewhat "dry" the air in the car then? just turn on the AC and it will dry it?
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| 8th Oct 2022 1:20 am |
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sol_stevo
Member Since: 17 Jul 2021
Location: The Empire
Posts: 174
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Moo wrote:You sure your not on recirculating mode?
I dont think so the AC unit is crap the aircon shouldnt be lit up when off makes no sense to me that, so if the recirc button is lit up is it on or off?
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| 8th Oct 2022 1:21 am |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10367
 
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It can be a sign water is in the floor, so check carpets are dry.
Air con on usually helps.
Recycle light should be off
Could also check pollen filter isn’t wet (drop glovebox )
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| 8th Oct 2022 6:30 am |
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garrycol
Member Since: 06 Dec 2010
Location: Canberra
Posts: 1115
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Just switch the climate control to the setting you want and let it do its thing. If the the temp selected means the A/C is off and only providing heat and fogging occurs, then just switch on the Prog Defrost function and it will clear the windows immediately.
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| 8th Oct 2022 7:45 am |
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Motolab
Member Since: 18 Oct 2019
Location: Sleen
Posts: 1815
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sol_stevo wrote:
i tried that and it did the trick for a while, is that the way to somewhat "dry" the air in the car then? just turn on the AC and it will dry it?
not "way somewhat" but Exactly that! a aircon is a huge dryer...and the moisture/water will be lead away outside the car... never seen water under your motor in the summer on a otherwise dry surface? Best regards
Harold
Always looking for Pre '55's & Pre war British Motorcycles! knowing or having one for sale? PM please. I visit the UK 6 times a year
Ps. I edit my texts quite often, english is not my native language, so I will edit My “typo’s” etc.
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| 8th Oct 2022 10:02 am |
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