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S80 '98-'06 / S60 '00-'09 / V70 & XC70 '00-'07 General Forum for the P2-platform S60 / V70 / XC70 / S80 models |
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Sunroof mysteryViews : 588 Replies : 5Users Viewing This Thread : |
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Mar 24th, 2024, 14:21 | #1 |
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Sunroof mystery
Hi all
Had my Heater Blower pack in this week, and have just about crippled myself changing that out. However, when I pulled back the passenger footwell carpet to gain access, I found the floor covered in water. I had a look at the drain from the heater blower motor (blowing down it to prove it was clear, I have checked the drains in the plenum area below the windscreen, and I also had a look at the sunroof drains. All of these were clear, so as yet, I don't have a definitive asnwer as to why there was so much water. However, when I pulled back the sunroof (which I rarely use) to check the drains, I noticed two plastic components (picture attached), each lying in the corner near the drain holes. I have had a good look at the sunroof rail, but I cannot for the life me work out where they have come from. Could some kind soul with a sunroof have a look and see if they can see where these have come from. They are about an inch long. Many thanks
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2003 Volvo V70 2.4 Auto 170k |
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Mar 24th, 2024, 15:06 | #2 |
keith240
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Having had the sodden floor in both a V50 and XC90, I would bet that the drain pipe has come adrift behind the A pillar trim. The pipe runs down the pillar and a join just above the dashboard shrinks over time and comes apart allowing the water to drain straight down in to the footwell.
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Mar 25th, 2024, 09:40 | #3 |
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Last Online: May 23rd, 2024 09:27
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I did the heater motor replacement a few days ago and I also discovered soaking carpet so I'll follow this with interest.
I was short of time and only had a chance to do a quick check on the scuttle drains that looked OK also. Wife is away in car for a week so I won't get a another chance to look properly until weekend. I'll certainly look at the sunroof and that A pillar pipe. Also found a useful video on Youtube that's worth a look. https://www.youtube.com/watch?v=rzpaJ4ulRic On a side note. How did you get on with doing the heater motor? I found it very difficult (actually impossible) to get the new motor/housing back in to the car. I ended up taking a hacksaw to the bottom of the glovebox aperture. It went straight in then. I'm pretty sure that's not the right way
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2001 V70 T5 2015 XC60 D5 R Design AWD |
Mar 25th, 2024, 11:30 | #4 | ||
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Quote:
Quote:
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2003 Volvo V70 2.4 Auto 170k |
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Apr 5th, 2024, 11:16 | #5 |
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Just to follow up on my water leak. I found it and have fixed it (hopefully).
I removed all of the carpets, front and back and dried the interior floor. The carpets were soaking and needed drying out. I checked all of the drains with copious water from a hose but could find no issues and no water coming in. I then used the hose to spay all of the front windscreen area and almost immediately had a trickle of water running down the soundproofing in the passenger footwell. On closer examination I could see it coming out from the edge of the Heater Motor housing near one of the mounting screws. All of the screws were tight so that wasn't a problem. I removed the Heater Motor and then saw that the water was coming in at the lower windscreen trim. The photo below is taken from the passenger footwell, looking up through the aperture where the heater motor fits. In the picture the dark grey strip with the water drop is the lower screen trim piece. To the left of it is the actual windscreen, and to the right is the plastic scuttle below the screen. I removed the trim but could see no obvious damage or corrosion, but it was quite dirty. I cleaned the lower edge of the screen and the trim, and put a bead of sealant in the trim on the windscreen side only and refitted it. Left it overnight to cure and then repeated the test. No more water. Left car out in the rain for 4 days without the carpets and still no water. So I'm optimistic it's fixed. @MWMan - I did check around my sunroof while doing the work but could not see any parts that resemble your photo.
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2001 V70 T5 2015 XC60 D5 R Design AWD |
Apr 8th, 2024, 04:34 | #6 |
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Thanks for this - very interesting. After fitting the blower motor and proving it OK, I put all the carpets and trim back in. Almost immediately I ran into another problem, which looks like the fuel pump and sender unit. I have ordered these and will be changing them at the weekend, once the parts arrive.
Based on your findings, I think I will remove the carpets again and check for water. If there is some in there (we have had a lot of rain since I changed the blower), I will do the same as you with regards to sealant, and see if that works. Many thanks for this and for looking at the sunroof, which is still a mystery!
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