RX - 2nd Gen (2004-2009) Discussion topics related to the 2004 -2009 RX330, RX350 and RX400H models

Upper air box..mesh filter clean out?

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Old 03-29-24, 08:20 PM
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fabchef
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Default Upper air box..mesh filter clean out?

Hi gang, might be a silly question here. When j open the air filter housing... it i turn over the upper part there is a kinda filter mesh, if you will. Does that ever need to be changed or cleaned out?
thanks
fab
Old 03-29-24, 08:32 PM
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MattRX
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It's a charcoal filter that's supposed to be left alone/not serviced. Probably there because of California's strict regulations. Mine was disgusting looking so I just took a soldering iron and melted all the rivets and pulled it out. Did it made a difference? Probably nothing I could feel, but I imagine it's a small restriction in the air box. I mainly deleted it out of principle more than anything. I didn't want anything breaking down from the filter and going into the engine

Old 03-30-24, 03:12 AM
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fabchef
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Mattrx. Thanks for the reply. I didn't know what it was for. I was curious to know if it gets more restricted, with time?
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Old 03-30-24, 09:18 AM
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I imagine it does. Mine emitted a nice smoke cloud when I whacked it and it smelled dirty. I could hardly see light through it at that point so I felt obligated to delete it.
Old 04-07-24, 01:58 PM
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Felix
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I also deleted the that filter as well.......Since your there, greattime to clean out the bottom of the filter box.......I've been using a K&N drop in filter.....
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