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Solution for Water Ingress in the Cabin

Model: Volvo S40 MK 2 - Years 2004-2012
Part: Body

Water ingress in the cabin is generally caused by blockages in the drainage tubes of the sunroof.
Remove the trim from the windscreen pillar to inspect the tube.
Open the sunroof, pour water along the edges, and check for flow and drainage from underneath the vehicle's floorpan: if there is a blockage, some water will tend to escape from the junction along the tube itself.
Clear the drainage tube with compressed air and, if necessary, replace it, ensuring to seal the junction properly.

Updated on 3 February 2026 by ScegliAuto

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