GolfGTIforum.co.uk
Model specific boards => Golf mk5 => Topic started by: pisquano on 01 August 2012, 10:05
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hi all,
in the last couple of days I started noticing something quite strange.
when I turn on the car and start driving, more often than not the windshield fogs up in the lower section up to about half way- it then gradually clears up
obviously this doesn't happen if I have the window(s) down, and if I use the air con it clears up immediately, but isn't it strange that it would fog up with 18 degrees outside? yesterday evening I did a test. I drove and it happened, then it cleared up, then I stopped the car and turned the engine off- I then restarted the car and drove and it came up again...
I cannot see or hear any heating coming up so why the heck is this happening?
I am (quite) sure this didn't happen when I bought it: could it be that either VW battersea or satnavsystem by mistake tampered with the aircon or something? any ideas?
thank you
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Have you got the aircon on recirculate, or your pollen filter might need changing
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hi mb
the car was just serviced, and the problem happens with the air-con off
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mmm - strange one..
there is a high content of moisture in the air at that minute with all this rain. Does the car mist up when its parked? Is there any mositure at the botton of screen before you start the engine?
Damp cars can do this and it normally suggests an external leak,water ingressing from somewhere but on a mk5 :huh:
Not much help but ingress in worth checking. :wink:
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mmm - strange one..
there is a high content of moisture in the air at that minute with all this rain. Does the car mist up when its parked? Is there any mositure at the botton of screen before you start the engine?
Damp cars can do this and it normally suggests an external leak,water ingressing from somewhere but on a mk5 :huh:
Not much help but ingress in worth checking. :wink:
hi CL-SID, no there is no moisture before I start the engine...clean screen. I tested the air-con and it seems to work fine...
it seems to develop right after I start driving, starting from the bottom and then gradually disappear... I spoke to satnavsystem and they said nothing they touched could have caused this. they suggested to leave the air on all the time (is there a way to leave the air circulating, normal air, not conditioned air that is; or it's only full air con or off....)
I only had the car for a few days, because I bought it in mid-July and then had my holidays - I am pretty convinced that in the few days that I've driven it before leaving it didn't have this issue? go figure :angry:
could it be that the guys @ VW (where I left the car for a week) by accident messed things up in some ways? sounds strange as I didn't even ask them to check that; the car was there for the problem of the ipod dock.
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My first thought was the pollen filter as this can cause it, was this checked during the service?
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Not had much to do with mk5's mate, but I would have thought you can just have normal air flow - Having the air con all the time seems wasteful to be honest in terms of fuel. I would just monitor it for a while and see what happens with changes in the atmosphere.
Unless it's under warranty :huh:
It may leave them scratching their heads though unless the situation is common.
:wink:
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Just found this link on the net - people are talking about cabin filters, unblocking vents in the foot well etc.
http://uk-mkivs.net/forums/p/327001/2206616.aspx
I cannot link it on my mac for some reason but paste it in your brouser.
Sid. :wink:
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My first thought was the pollen filter as this can cause it, was this checked during the service?
In the last Service they changed the Cambelt, water pump and oil but not the pollen.
And the pollen and dust wasn't checked the service before either. The last time it was checked was 2 services ago, February 2010.
How can I visually check this filter? Any advice?
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Just found this link on the net - people are talking about cabin filters, unblocking vents in the foot well etc.
http://uk-mkivs.net/forums/p/327001/2206616.aspx
I cannot link it on my mac for some reason but paste it in your brouser.
Sid. :wink:
Thanks Sid. I had found this thread. Will try some of their suggestions and will see if this works. :sad:
Thanks everyone for the support
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My car (mk6) does this if i've had the AC on then stopped the car and come back and drove with the AC off, it's a pain tbh! Sometimes if it's been raining and i use the AC to clear the windows and when they're clear turn it off, the windows steam up like crazy!!
Try experimenting with the AC and see how you get on.
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My mrs car does this exact same thing, I personally haven't found a solution as of yet...the only way of controlling it is keeping the AC on all the time(as peeps have said) but of course that uses more fuel... :angry:
If you do find a solution before me then please post back!
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I've got a Mk4 and I'm sure I've read in the manual that this may happen. It doesn't specifically say it, but it does say something along the lines of 'When Climatronic is in Auto mode, you may notice unpredictable behaviour, such as directing air to the footwell on first start up, this is to stop moist air being directed to the windscreen on first use'. So as others have said, to stop it you may need to select 'Auto' (thats on the MK4, on the MK6 I guess the default is 'Auto')
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Not had much to do with mk5's mate, but I would have thought you can just have normal air flow - Having the air con all the time seems wasteful to be honest in terms of fuel. I would just monitor it for a while and see what happens with changes in the atmosphere.
I did a quick test this morning before going to work, and just turning on the car, didn't create any fogging. the car doesn't seem to fog up during the night, at all. I found the windshield and the windows perfectly clear.
I can also confirm that you can indeed turn on just normal air flow (not aircon). (my previous car, an audi, only allowed aircon that's why I was a bit doubtful)
spoke to VW Morden and will bring the car in on Monday, but in the meantime I will keep testing...
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I've got a Mk4 and I'm sure I've read in the manual that this may happen. It doesn't specifically say it, but it does say something along the lines of 'When Climatronic is in Auto mode, you may notice unpredictable behaviour, such as directing air to the footwell on first start up, this is to stop moist air being directed to the windscreen on first use'. So as others have said, to stop it you may need to select 'Auto' (thats on the MK4, on the MK6 I guess the default is 'Auto')
that's interesting Merlin.
still, what happens to me happens with aircon/air fully OFF.
seems to be related to some sort of thing that happens when the car actually starts moving, as it doesn't happen if I just turn the engine on.
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I'm still thinking pollen filter as the air will flow through that once you start moving. Plus you say it hasn't been changed for two years
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Your air con is working. Damp warm summers do this. Basic physics i suppose.
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Please refrain from paying attention to this lad, he posts dribble most the time. Its not basic physics as hardly anyones car steams and fogs up due to the a damp warm summer.
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Please refrain from paying attention to this lad, he posts dribble most the time. Its not basic physics as hardly anyones car steams and fogs up due to the a damp warm summer.
thanks Alan, I had noticed his posts are less than interesting, so to speak.
back to the original topic, I wanted to update you all on this. the problem simply disappeared overnight. for some reason it hasn't happened since. it is really weird, as I had this really bad for 2 days, and then nothing.
I can only think something temporarily got stuck in the filter? I will keep monitoring but it seems fine now...
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I have a '12 plate MK6 and mine does this if I start driving with the air con off and the window open, and has done for the last few weeks. Just normal I guess :cool:
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Basic physics init ;)
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My ED30 does the same every now & then,as already posted adjusting the aircon/settings soon clears it.
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My ED30 does the same every now & then,as already posted adjusting the aircon/settings soon clears it.
+1 mine did this too and easily resolved. Not had the problem so far with the ED35 but only time will tell.