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Water leaking down to front passenger seats from sunproof

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo XC90s. The XC90 proved to be very popular, and very good for Volvo's sales numbers, since its introduction in model year 2003 (North America).
biskandar
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biskandar

Water leaking down to front passenger seats from sunproof

Post by biskandar » Tue Jan 21, 2020 2:08 pm

Hi,

I found issue with the sunproof's exhaust water pipe, the end of the pipe was broken .
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And many things inside the water pipe, like small tree branches, leaves, and many dirts.

How dirty of the both pipes, as you can see from the color, dark brown !!!
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Cheers,
/Benny
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RickHaleParker
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Re: Water leaking down to front passenger seats from sunproof

Post by RickHaleParker » Tue Jan 21, 2020 4:01 pm

Pass-through valve, Volvo part number 30753148. ~$20.00 each or $30.00 a pair.
Platform: P80 1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0,
Plant Torslanda Sweden.
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biskandar
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Re: Water leaking down to front passenger seats from sunproof

Post by biskandar » Wed Jan 22, 2020 5:25 am

I found alternative solution to cut the tube in the middle and added the new one, i bought it from home depo .5" with connector.
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It works well, and flushed all the dirts inside as well.
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shiloh51933
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Re: Water leaking down to front passenger seats from sunproof

Post by shiloh51933 » Fri Jan 24, 2020 6:32 am

I hope it works out for you, I personally dont like adding more couplers or T joints because its another area for potential leaks but I like the ingenuity.
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Re: Water leaking down to front passenger seats from sunproof

Post by oragex » Sun Jan 26, 2020 7:34 am

Good find. Like I said in some videos, be aware that this will happen even on cars that never open the sunroof. As they get old, the gasket around the sunroof glass is less flexible and allows water to pass by and into the sunroof tray beneath. The problem is inside the big cities rains comes down with a lot of dust/dirt, which also gets past the seal and within months or years it ends clogging the drain tubes.

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Re: Water leaking down to front passenger seats from sunproof

Post by brunocerous » Mon Feb 03, 2020 11:12 pm

Nice solution! I ended up reusing the dirty drain tube and replacing the elbows with these. I imagine I'll have to redo these at some point since the smaller inner diameter will create some back pressure.
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2004 XC90 AWD
2000 V70, base, MT, 'The Silver Bullet'
1998 V70, base, AT, 'Blue Steel'
1998 V70 T5, AT, project
1999 V70 XC AWD, AT (RIP)
1998 S70 T5, AT (RIP)

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