Question about 2005 Scion xA

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Ventilation system can't pull in fresh air

I actually have a 2006 Xa, but the ventilation system can't pull in fresh air, and the air that does come in is hot. I have to run the air conditioner almost year round, because if I set the fresh/recirc lever to "Fresh", the air is always hot. Even on cool nights when I roll the windows down, I still have to run the A/C because the incoming air is so hot the car heats up in spite of having the windows rolled down. It needs to be around 40 degrees outside before I can turn off the A/C. When I have "Fresh" air selected, for instance when I'm driving through the mountains, the air smells very stale (i.e. you can't smell mountain air, trees, etc) AND the air coming in is hot. Can you help me?

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Open your bonnet (hood) and see if the air intake area is under the bonnet, below the front windscreen and separated from the engine bay by a rubber seal. In my Astra, the air intake area can be seen going from one side of the car to the other, with a rubber seal running along in front of it. When the bonet is closed, it presses down on the seal and is supposed to prevent air coming into the car from the engine bay. It sounds like yours is not doing the job properly - like mine. We coated the seal with talcum powder and closed the bonnet, then opened it to see if the talc had transferred to the under side of the bonnet without any gaps. There was only a small gap, but it was enough to let the heat in from the engine bay. It had driven me crazy for 8 years. I hope this leads you to a solution to your problem.

Posted on Nov 16, 2012

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Replace ventilator.

Posted on Jun 26, 2008

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Posted on Jan 02, 2017

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PCV Valve location (3.3L & 3.8L engines shown, 2.4L similar) chry-04-33-829.gif

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  2. Connect the vacuum hose to the positive crankcase ventilation valve.
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