Leaking side window Warwick xl

The problem is well documented on here, but the challenge is to find relevant information within the limits of the (somewhat rudimentary) search function.

I've just entered the word 'drain' in the search box (as in drain holes) and came up with a thread in which I'd posted a comment in 2021. My comment at the time provided a link to one of the most informative threads I'd seen on the subject, complete with pictures.  I've added the same link below because I think it should tell you most of what you need to know.

If you've owned your vehicle for several seasons and the problem has just become apparent then it suggests the cause of the blockage is a build up of road dirt. As Paul says, the drain holes are microscopic and so they block with even the smallest size of particle.

It's an inherent design weakness and presumably the reason why AS have now changed the whole sliding window assembly to a version with better seals and much larger drain holes. We have the new windows in our 2020 van and they are very different. Not that that's any help to you.  I took our previous van with the windows you have to a local tyre fitters and asked them to use an airline to clear the drain holes. I found that canned compressed air simply wasn't powerful enough.

Tim

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