Quote:
Originally Posted by porsche tech
996 and 986 BIG problem. Cowl drain clogs and fills up the cowl until it runs inside the car and soaks the floorboard. Back in the day we would have at least a couple of sets of carpet hanging on the back fence drying out at any given time. New immobilized unit, etc etc! IIRC Porsche even had a “recall” to stick another page in the owner’s manual stating that it was the customer’s responsibility to keep the drains clear. Best bet is to remove entirely the little grommet in the hole in the bottom of the cowl. Can’t remember if later models had that same pinchy grommet thing in the drain hole.
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Where is that located exactly. I have never clean mine now reading this, it looks like a must do. 2010 Cayman S maybe very similar to Steve's Boxser?