Hi there - have a year and a half old XC90 T6, 2019. Earlier this week we had a big rainstorm and upshot is intellisafe/mirror dripping water, headliner on passenger side damp and floor front passenger footwell soaking wet. Dropped at dealer this morning and they said they had seen this before and would do the work under warranty. 4 hours later dealer calls me and tells me that sunroof drains were blocked due to leaves and dirt and they would need to take out and dry headliner and carpets. Not covered under warranty as not manufacturing and I should have cleared the drains? Said it was going to cost $2,900 to fix. Totally shocked - car is less than 2 years old, under warranty and barely used since last service in August by them. I called Volvo USA but dealer said they wouldn’t help me. Waiting to hear back from Volvo. Thoughts/anyone seen this before? Thanks
The dealer is correct. It is the owners responsibility to ensure the sunroof drains stay free of debris.
I clean mine once a year, but I also park in a garage and not under trees.
A 1.5 year old car with blocked sunroof drains must have organic matter falling on the roof all the time for it to be blocked like that. But in some areas, and with some trees, you can block drains easily.
Note that if you do not remove and dry the carpet and headliner, then you will have mould starting, followed by early onset corrosion, and potential havoc with corroded wiring loom connectors and modules. It will get smelly and more expensive.
The first gen XC90 has, at the lowest part of the car, a yaw sensor installed. This was the first module to suffer and die when the car would fill up with water due to blocked sunroof drains. But many other cars suffer the same issues when drains get blocked.
I have suffered floods in my time through blocked drains, and they are always a real nuisance. Be it houses, cars or properties. The only thing I can say is keep your drains clear and free flowing. A little bit of preventative maintenance goes a very very long way.
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