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[2004 V70] Awful passenger footwell leak, no grommet like XC70!

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crimsonv70
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[2004 V70] Awful passenger footwell leak, no grommet like XC70!

Post by crimsonv70 » Mon Mar 04, 2019 1:29 am

Hi everyone,
I was hoping to get some guidance on a repair for a really bad leak in my car and hopefully document more of this common issue. I've done a lot of interior upgrades and have posted guides online to help people out, but I've never had to deal with something like this.

My car was parked on the sidewalk for a week during the storm and the entire carpet got flooded. Apparently this is a common problem, due to a pretty bad design flaw (according to research and YouTube videos).
From what I understand the problem arises from 2 common issues:

1. bad seal around the air intake under the windshield cowl

2. bad grommet (right angle rubber outlet) which channels water from the sunroof out to the firewall via a small tube.

I took a look at my sunroof and it definitely looks clogged, I tried pouring water and nothing came out:
http://s1197.photobucket.com/user/organ ... sort=3&o=9
http://s1197.photobucket.com/user/organ ... sort=3&o=1

The left side looks much better:
http://s1197.photobucket.com/user/organ ... sort=3&o=6

However, unlike all the videos I've been finding online, I do not have a rubber grommet to help the water exit the firewall. Even worse, the tube for the sunroof drain is not clear, so I can't see where it's clogged :(
http://s1197.photobucket.com/user/organ ... sort=3&o=8
http://s1197.photobucket.com/user/organ ... sort=3&o=4

I can't get to the exit of the tube without disassembling the entire dash, as far as I can tell. oh mannn I don't want to do that. The water does seem to be trapped in the top, for right now though.

So here are my questions for you wise Volvo owners:
1. Does anyone know of a guide for V70 (not XC70) for this kind of repair?
2. Do I need to take out the dash?
3. Has anyone tried forcing the water out through a pump? I was thinking of buying an aquarium pump to rig something up...
4. Are there any other known locations for this kind of leak to come in?

I already tore out all of the carpet (when I put it back in I'll be making a video guide for how to do this correctly, since the ones I found on YouTube are actually incorrect) but obviously I'd like to fix the leak before putting a new carpet in...

Thanks for your help!



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abscate
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Re: [2004 V70] Awful passenger footwell leak, no grommet like XC70!

Post by abscate » Mon Mar 04, 2019 5:02 am

There is an upgrade to the dash water grommet on the 2004 and earlier P2 models, check your VIN at the dealer to see if your car has been done. The warranty period usually expires 10 years from the TSB date, but sometimes you can talk them out of the free parts.

Unplug your sunroof drains with a stiff wire or plastic rod. Plan on doing this once or twice a year if you park near trees
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crimsonv70
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Re: [2004 V70] Awful passenger footwell leak, no grommet like XC70!

Post by crimsonv70 » Thu Mar 07, 2019 9:29 pm

Ah, thanks for the info. Do you think the previous owner might have done the upgrade early on?



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Re: [2004 V70] Awful passenger footwell leak, no grommet like XC70!

Post by oragex » Thu Mar 07, 2019 10:04 pm

abscate wrote:
Mon Mar 04, 2019 5:02 am
Unplug your sunroof drains with a stiff wire or plastic rod. Plan on doing this once or twice a year if you park near trees
It also happens just from rain, in particular in large cities, where the rain picks up the dust from the air, and this dirt leaks past the glass seal into the drains and clogs them. Happened to me, I was careful not to park near trees or to leave the sunroof open, still where I live there is a lot of dust and got the drains clogged this way. A good way to know this, is when the car windows look dirty/dusty right after a heavy rain.


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