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How to Fix the Passenger Side Flooding Issue on a Citroen C4 Picasso

Model: Citroen C4 Picasso MK 1 - Years 2006-2013
Part: Body

In this video, you will learn how to resolve the issue that has occurred on this Citroen C4 Picasso, where water has entered through the window and accumulated in the passenger compartment due to a blocked drain valve. But where is the drainage hole on this vehicle? It is actually located in a spot that is very likely to get blocked by dirt, as it is situated in the front wheel arch. You need to remove the wheel, detach the wheel arch liner as much as possible to access the valve shown in the video, take it out, and clean it while the water drains away.

Updated on 20 August 2026 by ScegliAuto

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