Hello,
I have a 1994 Audi 80 estate. Despite having been checked over by my local Audi dealership (who are pretty much useless) I have a recurring problem with the interior misting up. I have kept an eye on the coolant level and have ruled out the possibility of a matrix leak.
Anyone got any ideas or know of a specialist who can check this out?
Thanks
Equilibrium
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Hope this doesn't insult you're intelligence but many overlook the simple: is the duct on recirculation not fresh air. This will cause steaming up. Are the caprets damp at all. Not only does this cause steaming up but is a good acid test for showing a shot matrix.
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I have an Audi 80, C reg and it leaks. I think I have traced the leaks to the door seals near the front bottom corner of the front doors. Have you checked the drain holes in the bottom of the doors? It only leaks on whichever side is facing the rain, and is worse if the car is pointing downhill slightly.
Steve
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Hi Equilibrium,
Our 1993 A80 saloon suffers from misting during the winter months. I have never found any evidence like damp carpets, etc. that would indicate a leak. The car is usually only used on short hops to the supermarket, etc, and I have found that it disappears for a few days when the car is taken on a long run. As the A80 has pretty poor 'natural' ventilation (relying on the fan to push air through the car) I have put this down to lack of ventilation and the heating/cooling cycle of day/night causing condensation which 'dampens' the carpets, etc. (What also doesn't help is that my wife hates having the heater fan on and always sets the air to windscreen only.) Might this be the cause of your problem?
Also, any car with a 'air re-circulation' control can suffer from misting up if the air is always set to recirculate.
Martin.
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I've been in a few cars recently where the driver has put the air control from fresh to recirculate, causing the fan to roar and the windows to eventually steam up.
I use mine when I can see a road full of smoke ahead or if I'm about to follow a knackered Sierra or Fiesta belching blue fumes, but don't understand what use it is otherwise.
Lee.
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Lee,
the re-circ setting on mine works in conjunction with the aircon for maximum cooling. This provides some respite against the fierce sun in the UK.
On a more serious note.. I cleaned the inside of the windscreen on my car a couple of weeks ago using the Autoglym glass cleaner. Since then it is *much* less prone to misting up when cold. All that crud just gives the water droplets something to hang onto I suppose.
Kevin...
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Air conditioning? You're over estimating the circles in which I move!
If you've got a/c does the dry air effect of the pumped air reduce the steaming up?
Lee.
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Lee H wrote:
> If you've got a/c does the dry air effect of the pumped air
> reduce the steaming up?
>
Definitely. The 'demist' setting also turns on the aircon for that reason.
In both re-circ and demist, the temp setting is still adjustable as well.
Kevin...
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Having re-circ on will heat up the car quicker in the colder UK months of September - June, as the heater will not have to heat up cold outside air. Very good on a cold morning as long as you remember to switch back to outside supply as soon as ou are warm enough.
I believe it is popular amongst suicide bidders.
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equilibrium,
one popular source of in-car water is when the polythene membranes behind door trim come un-stuck and allowing rain to soak your carpets. Took me literally years to track-down on my old golf
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AirCon craps out here at high temperatures unless you have it on recirc.
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Eq,
I also have an 80 Q. Estate, mine is often wet in the right hand stowage compartment as you look in the boot. This has the bidet filler bottle and the immobiliser/central locking control box. I think the water enters this area via the rear light cluster. Worth checking, as if this compartment is damp, it will knacker the control box though moisture damage.
Stu.
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