The tundish collects water that passes the door handle. Yes push it back against the door skin. I think the tube is clipped towards the bottom of the door. The photo is how VW left mine. It just pushed back onto the tundish.
There’s a tundish to collect water that leaks through the sliding door handle, the non setting adhesive / sealant can fail and the rain leaks through the door.
‘Normal’ drainage from the tundish is via a hose to the bottom of the sliding door and out past the door seal.
This has already been...
...down the drain through the seal route it would be far better to prevent the water intrusion in the first place.
There are two known paths;
1. Sliding window seal - this can be easily improved with application of silicone grease.
2. Door handle tundish adhesive - just re-work the adhesive...
That’s the tundish. From factory there is a sticky seal that stays soft. Mine has come away a couple of times and I’ve just pushed it back and it’s stayed put. Also check the drain tube is still attached and also running clear. Last time I had my door control mechanism replaced under warranty...
Ok- so you mean just push it back against the door itself?
What is supposed to drop into that tundish?
Also you can quite see how the drain tube is attached to that can you? When I pull the drain tube from the bottom of the door it wont come- almost as if it’s attached to something but you...
...a small swimming pool in the sliding door!
Looking inside the door and there's barely anything in the bottom so it's not the door handle tundish that's leaking.
The sliding window groove looks pretty dry but it's 100% coming from the detached drain catch so I can only think that at some...
...the other drain holes.
So I'm fairly certain that isn't the source of the water.
Inside the door, there's a very obvious leak from the tundish around the door lock. The hose is clear and water comes out the hose. And the seal appears to be OK. But it's still leaking a little.
So that's the...
I had a look at mine at the same time as fixing the sliding window drains. I believe the plastic tundish is held to the door skin with the same non setting adhesive used on he window drain.
If you are going to repair I think that it would need to be removed and properly cleaned, this is based on...
...job but it took multiple attempts to repair mine, access is achieved by pulling off the lower plastic trim. This drain joins the rubber tundish that collects all of the water that gets in through the door catch and it eventually drains out of the bottom of the sliding door via a hose and...
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