Quote:
Originally posted by 92tsiawd84+Jan 3 2004, 11:15 PM--></div><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (92tsiawd84 @ Jan 3 2004, 11:15 PM)</td></tr><tr><td id='QUOTE'> <!--QuoteBegin-awd1dr@Jan 3 2004, 07:51 PM
If it's icing, maybe there is more to it.
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Cold weather??? [/b][/quote]
Reason why I said that is he was vague in telling us the exact conditions. Whether or not the car was warmed up, what the heater controls were set at, whether or not the heater was kicking out hot air, whether it was while the car was moving or sitting still, etc. There are a lot of factors.
Believe me, I found out what a bad heater core does to a car in the winter time.
It could also be a stuck heater control. Is it blowing warm air onto the windshield or not? We need details before we can accurately diagnosis it. If it just happens when it's been sitting for a while without running (i.e. overnight), then yes, it would be a leaky seal.