Window fog up when using in Rain

Mike Adams

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Sep 20, 2000
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guelph, Ontario, Canada
I have a customer who drivers his car allot he has 70,000 km on the car. He has been complaining that his windows fog up when it rains hard when it is on Hot in the heat position. So I took his car home on a night when it was going to rain. Sure enough in the Morning when I went to drive away and turned the defrost the windows fogged up so bad I couldn't continue. Used my towel to dry the windows switched it to cold, the windows where fine.

Most cars this would indicate a heater core. Yesterday I decided to remove the heater core. I get it appart and found a deisgn flaw. I will post pictures later today of what I found. I was wondering how many others who drive their car allot have noticed this
 
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