[Shop-talk] extremely window fogging

[Pat Horne]

Do you have a/c? Try turning it on do decrease the humidity. Might work. 

When I had a leaking heater core the windshield would fog up when the heater was first turned in defrost mode. 

Peace,
Pat

Pat Horne 
We support Caldwell County Habitat for Humanity


On Jan 2, 2018, at 12:43 PM, Tim . <tims_datsun_stuff at outlook.com> wrote:

My DD is a 99 toyota solara. When it gets cold, the windows fog up extremely bad. The windscreen is almost impossible to keep clear with the blower on high and the heat maxed out. The blower seems to be running fine with great air movement. With these below zero temperatures, if I am on the road for over a half hour, the windscreen just about becomes fogged up to make it impossible to drive.  

I thought that maybe I had a heater core leak but the radiator is full and the overflow tank is only a little low under the cold line. Also, the windows are icey, not greasy as one would might expect with a heater core leak. 

So two questions: 

If it was a heater core leak, wouldn't it be plainly obvious by looking at the coolant levels? 

Does anyone have any suggestions on what I can do to combat this?

Thanks
tim 
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