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68Formula
10-20-2007, 09:25 PM
Last two days when I turn on the heat or defroster, after the car is fully warm, I get a mist coming out for the first 30 seconds or so. It fogs the inside windows up immediately which takes another 15 minutes to finally defrost off (I have to wipe some off just to see). Car is the daily beater (15 year old Audi).

This is the second winter I've had the car, but the first time I've ever experienced this problem in any car. Is this a matter of the weather conditions and all the planets aligning at one time, or do I have a problem? Thanks.

protour_chevelle
10-20-2007, 11:21 PM
your heater core has sprung a leak. Replace it.

paul67
10-20-2007, 11:44 PM
Are you loosing water , have you got a/c ,I have this it's to do with the a/c moister in the vents,well that's what mine is.Oh I have a 2003 truck but it's happen on nearly every car/truck i've owned.

68Formula
10-20-2007, 11:52 PM
No A/C, no PW, no PL, no ABS, this baby is stripped for power to weight . LOL! (it's packing a whopping 2.0L)

matty b
12-17-2007, 07:27 PM
make sure the weep tube is clear, this has a tendancy to clog and it turns the plenum into a big bowl for condensation, If the steam is going away id suspect that, if it smells like coolant then get a new heatercore

68Formula
12-17-2007, 10:13 PM
Heatercore. All fixed.