I finally got the right tuit to investigate how the boot of my wife's i20 was getting wet. Having removed the right boot trim panel and played around for ages with a hosepipe I noticed that the offside roof trim (the plastic strip that runs each side of the roof panel) is slightly loose and I think this is where the water is getting in. I can't find anything to tell me how the trim is held or sealed, or how to remove it. Is anyone here knowledgeable about i20s? If not I'll have to take it to a bodyshop.

I had the same problem but managed to find the source of the leak. I first removed the roof trim but there is no entry point into the car along that so put it back on. Then through using a hose and isolating various areas I was able to find a vent under the rear bumper that was letting water in under its seal.Removing the bumper a bit fiddly but doing able. See video link for how.Then once that is done you can either replace or seal up the vent. I sealed up one but the flaps on the other had gone so got a replacement for £10 from a local Hyundai garage. You can also get them on eBay for around £15.Get one out is a bit tricky but there are two small gaps in the top where you can put screwdrivers in to press a bendy bit and then with a bit of force lever the vent out.I hope all that helps!

Hi Callum, I had checked everything I could link of to stop the leak including sealing under the two roof trims without any success. I then following your post, and after sealing around both boot vents, the problem is SOLVED 100%. Today I took the car for its MOT and mentioned that I had hand the bumper off and before I could say another work the manager said "Oh you had a leak through the boot vents, common problem on the i20".Thank you Callum I'm well pleased

[SOLVED] Hyundai i20 water leak - from roof trim? Solved

Feb 05, 2018 Last reply: 3 years ago 26 Replies

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Pop eye 4 years ago

Thanks had the same issue with boot vents. Right hand side was leaking and the vent is loose.

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Callum 5 years ago

Best Answer

I had the same problem but managed to find the source of the leak. I first removed the roof trim but there is no entry point into the car along that so put it back on. Then through using a hose and isolating various areas I was able to find a vent under the rear bumper that was letting water in under its seal.

Removing the bumper a bit fiddly but doing able. See video link for how.

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Then once that is done you can either replace or seal up the vent. I sealed up one but the flaps on the other had gone so got a replacement for £10 from a local Hyundai garage. You can also get them on eBay for around £15.

Get one out is a bit tricky but there are two small gaps in the top where you can put screwdrivers in to press a bendy bit and then with a bit of force lever the vent out.

I hope all that helps!

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Popeye 4 years ago

Me too … sealed around new vents and the leak has stopped

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Baz 3 years ago

Try this first - silicone over the short seam running down from the roof rail. Mine looked fine but cured the boot leak. I had spent hours and hours doing all the fixes posted. This fix took 5 minutes

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