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Wet floor V70-XC70 1998

Had the heater core replaced recently after I posted a bit ago that my daughter was stuck. This was early February. I’m seeing the car for the first time since then, and since the new heater core was installed along with the new water pump. Ended up being about $1500. But that’s beside the point. The two front floor carpeting in the passenger side rear are all very wet. I am wondering if there is a common place on these cars for water to leak in? I was thinking it might be coming in around the windshield, but it doesn’t seem to be a space there? Could it be coming in through where the cabin filter is? I just can’t seem to get to the bottom of this. I know the drains at the bottom of the front windshield are not clogged.





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Wet floor V70-XC70 1998

If you cannot find an issue with the top of the windsheild, use ordinary electrical tape to seal the plastic strip if you want to eliminate that source of a leak.

Pull a couple of feet off the roll and let it relax so that it will not try to shrink later. Apply several overlapping strips from the top row down to keep pressurized water that comes from driving in the rain.

Even if the problem is not the top of the windshield, a couple of rows on the bottom of the plastic strip will keep it from eventually flying off at speed.

I have developed a great appreciation for electrical tape, it holds up well, leaves little or no residue, and is inexpensive.

I had a leak problem with my XC70 and I used towels laid on the floor to remove surface water and a small fan on the front seat floor with a household dehumidifier over night to dry the rest.





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Wet floor V70-XC70 1998

I should have mentioned; no sunroof. Thanks!





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Wet floor V70-XC70 1998

Well, that makes a big difference! Now, concentrate on the windshield. Using a screwdriver, pry up the plastic surround at the top of the glass and take a look behind it, you may need a small flashlight. Besides the dust and dirt, look for black sealant between the glass and frame. If there is none or a very tiny amount, add silicone sealant to the top and sides, if the temperature is above 50F.

Then check the AC/heater core drain for water. Any water that gets into the HVAC system will wind up there, and if it is plugged it will eventually fill up and drain on the passenger side carpet.

--
Keeping it running is better than buying new





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Wet floor V70-XC70 1998

Thanks Klaus,

In your earlier post, you suggested I check the cabin filter under the cowl. Is that also where I'll find the AC/heater core drain, or am I looking somewhere else for that?

Thanks again





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Wet floor V70-XC70 1998

The cabin filter is in the engine compartment. Remove three T25 screws on the passenger side that hold down the plastic cover that spans the length of the bottom of the windshield. Carefully pull up on the plastic to reveal the cabin filter.

The AC drain is under the dash, center of the car. The lowest point of the system.
--
Keeping it running is better than buying new





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Wet floor V70-XC70 1998

Access to the single drain is under the dash, forward of the shifter. You will have to remove the glove box, then the kick plate under the glove box, then the kick plate against the transmission tunnel. That will let you see the black drain pipe.

Or, you could jack up the side of the car, put stands under the front subframe and rear frame. Remove the jack, and slide underneath to see the under side of the drain. A black rubber grommet with a hole in it. Use a stiff wire, 12 or 14 gauge, and slide it up about 6 inches. If you pull it out and it is wet, there is part of the problem.
--
Keeping it running is better than buying new





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Wet floor V70-XC70 1998

The drain is just ahead of the shifter, lift up the center console to find it. For the windshield, look for "flowable silicon" sealant to get into the cracks.


--
-- '96 850T at about 230K, 2005 XC70 at 96K; gone but not forgotten '97 850T5, '83 244 DL, '81 245 and '64 Amazon





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Wet floor V70-XC70 1998

Also check the AC drain. It is in the middle of the car, just behind the firewall. Lift up the cowl forward of the windshield and inspect the cabin filter.

The sun roof drains are a pain as the plastic tubing can come apart below the A pillar.

Removing the carpeting in the front is fairly easy, especially if you unbolt the front seats. The rear carpet is a pain as it also goes under the rear seat and is one piece from side to side.

My 1998 V70 had a leaking windshield seal, across the top. It only leaked during heavy rains, worse while driving at highway speed. I fixed that with a bead of silicone under the black plastic surround.
--
Keeping it running is better than buying new





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Wet floor V70-XC70 1998

If you have a sunroof, suspect the roof drains. Had that problem on the 850, and it turned out that the roof drain hadn't been firmly attached after someone had worked on the interior. Just a vinyl hose. Find the drain on the roof and see what happens if you pour in some water, should come out underneath the car. If it doesn't, you've got problems there.
--
-- '96 850T at about 230K, 2005 XC70 at 96K; gone but not forgotten '97 850T5, '83 244 DL, '81 245 and '64 Amazon





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