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Rubber Vent Tube in Wheel Well

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I changed the spark plugs on my 2000 Boxster last week and noticed something strange after removing the side access panels inside the rear wheel wells. On the forward side inside both rear wheel wells there is a hole about 1/2" diameter. There is a small rubber tube about 1 1/2" long inserted and sticking out of the hole. I presume the hole is there to vent the inner panel compartment and the tube is there to help prevent moisture /rainwater from splashing and seeping into the compartment. The problem is that mine was missing on the driver’s side. I’m guessing that this little seemingly insignificant tube plays an important role in preventing body panel corrosion. I would like to replace it but can’t identify the part number. I searched this forum and also have a copy of the Porsche parts catalogue but couldn’t find it. I included a photo from the passenger side of the rear wheel well on my car which shows the part I am talking about. Any help in identifying it would be appreciated. Thanks.


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Thanks for the info. With a bit more snooping and by comparing both sides, I managed to figure out how the drain was supposed to be routed. It turns out that the tube was still there but just popped out of the hole in the wheel well and fell into the inner body. By removing the side engine air intake vent and pushing aside the rubber boot I managed to fish the drain hose back through the hole where it belongs. Tested the drain with water and works OK. My only concern now is that it was likely in this condition for years and actually draining water inside the inner body panel. Thanks again.

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