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Recommended Posts

Has anyone actually replaced the front sunroof drains on a Cayenne? I've got a 2003 Turbo and like many of us, have had a clogged sunroof drain and a lake underneath the front carpet. I removed the front seat and peeled the carpet and foam back and let it sit in the sun for a few days and it finally dried out.

When i started inspecting the drain, i noticed that mine has a flattened area where it turns downward from underneath the headliner to down the A-pillar. It's still clogged at the end, but i need to replace it because it is too stiff to return to its original round shape.

Where do the drains actually exit? I removed the wheel well and i see one drain that i can stick my finger, but i believe this is the cowl drain based on other photos. Does anyone have photos depicting the different drain locations (i.e. cowl, AC evaporator, sunroof drains).

I've read a lot of the forums about cleaning the drains, but haven't seen any dealing with replacement.

Any help would be much appreciated!

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first question.....no they don't sell the idividual hose barb drains.

Front drains go down to the firewall and then just dump into the sheet metal cavity between the passenger compartment and engine bay. The drain you can see with the wheel well off, is the exit of that cavity.

A semi easy way to get down there is use weed wacker string.....and just feed it it through the tube.....it takes some practice to get it all the way through, but push and turn a bunch of times and you'll get it through.

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