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Old 01-03-2005, 04:10 PM   #1
pntballfreak
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Member#: 33739
Join Date: Mar 2003
Chapter/Region: SCIC
Location: so. california
Vehicle:
'03 soccer mommy
mobile

Default Windows/windshield fogging up badly on '03 WRX wagon

We've been getting some cold/wet weather recently, so I'm sure that might have something to do with it...but it's never been this bad. When I park my car for more than an hour or even overnight, I come back finding that all my windows are fogged up. And it's not on some sections, but all windows and windshield. I've tried cleaning and using Rain-X anti-fog, but it just made the condition worse. What could cause my windows to fog up this bad? I've tried searching the web and have found that a leaking heater core might be a cause. Is there any way of testing this myself, or do I have to bring the car into the dealer/repair shop?
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Old 01-03-2005, 04:17 PM   #2
paperchasin
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Location: SoCal
Vehicle:
2004 STi
WRB

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the weather does this...try turning on ur defrost and ur heater....
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Old 01-03-2005, 07:56 PM   #3
WRXerist
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Location: Seattle
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2006 FX45
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You need to disable the auto AC while you turn on your defrost function. There are serveral threads on this forum that will tell you how. I had the same damn problem and I got sick and tired of it. I did a search on this forum and found a way to eliminate that. If you take off your radio, you will find two purple wires that attached to your AC/vent control. Just cut one or both of the wires and tape them off. This will disable the auto AC while you are in the defrost mode. Now I am living with fog-free windows.

Last edited by WRXerist; 01-04-2005 at 12:56 PM.
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Old 01-03-2005, 10:21 PM   #4
wrxsubaruwrx
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Join Date: Apr 2004
Chapter/Region: Tri-State
Location: Guilderland, NY
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1973 Gran Torino
Green w rust coloration

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Also make sure the inside switch is NOT on recirculate . You want outside air comming in the car for less foggy windows .
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Old 01-04-2005, 03:23 PM   #5
pntballfreak
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Member#: 33739
Join Date: Mar 2003
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Location: so. california
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'03 soccer mommy
mobile

Default

Since posting, I haven't used the defrost...just left the vent on "fresh air" and it's much better. Looks like I have a mini-project this weekend. Disabling the AC doesn't look too hard. Thanks for the replies.
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