Foggy windows question
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So I've had my '00 XJ for a couple of months. Last night was cold and wet. When I left early this morning for work I noticed the windows were foggy. I cranked up the defrost which seemed to work ok but it barely cleared the lower half of the front window, let alone the sides which remained foggy. What am I missing here?
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Clean you glass. Dirty glass is MUCH more likely to fog and less willing to clear up. As long as your AC works, your defroster will dehumidify air; if your AC is shot or you have none, you'll really need clean glass and will have to dial the temp of the air just right to keep condensation from accumulating on the glass.
The arm that opens and closes the defroster also commonly breaks on 97+. If you hear a clear *THWAP!* sound when you turn your blower on, your defroster door is likely being blown shut by the airflow in the HVAC box. |
Originally Posted by mschi772
(Post 3163278)
Clean you glass. Dirty glass is MUCH more likely to fog and less willing to clear up. As long as your AC works, your defroster will dehumidify air; if your AC is shot or you have none, you'll really need clean glass and will have to dial the temp of the air just right to keep condensation from accumulating on the glass. The arm that opens and closes the defroster also commonly breaks on 97+. If you hear a clear *THWAP!* sound when you turn your blower on, your defroster door is likely being blown shut by the airflow in the HVAC box.
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Rain-x anti fog every time you clean the windows.
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Originally Posted by pTacRP
(Post 3163284)
my A/C did go out
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Originally Posted by mschi772
(Post 3163449)
Bingo. No AC = no dehumidification.
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Originally Posted by pTacRP
(Post 3163481)
Man, how did we de-fogg a window in the fall when we didn't have A/C back in the '70's????
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Probably just turned the heat on until the windows got warm enough to evaporate the condensation? No idea I wasn't around in the 70's haha
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Originally Posted by fatbill
(Post 3163509)
7-11 napkins
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Originally Posted by fatbill
(Post 3163509)
7-11 napkins
And in the 60's |
Originally Posted by fatbill
(Post 3163509)
7-11 napkins
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If your heater isn't blow as hot as it should foggy windows can be a sign of a bad heater core in the early stages.
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If heater core is leaking it does fog up windows but will usually leave a greasy film on windows also.
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