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VW Passat B5 - wet floor (water under the passenger's feet)

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  • #31 12268124
    iza20011
    Level 2  
    Hello, gentlemen, I have a problem with the passat b5 station wagon I started to collect water flies from the driver's side exactly from the pedals and it collects behind the seat it will appear when it rains and when I wash it in the car wash on dry days there is no trace of what to do PLEASE advise me :(
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  • #32 12268491
    pawel-jwe
    Level 30  
    It is true that in another car, but the water was flying from the same place (it appeared near the pedals), the unsealed windshield was to blame. Water trickled under the glass and was coming out near the pedals.
    To check if it is the fault of the windshield: check what the sticker with the VIN number at the bottom of the windshield looks like (if it is corrugated, it probably catches a lot of moisture, which may confirm the leakage), further actions include dismantling the wipers and the plastic under them, so that the glass-sheet connection is visible (car frame), pour water and dishwashing liquid over this connection, and then treat it with air from the compressor under high pressure. If there are bubbles or water inside, your windshield is unsealed.
    Solution: cutting and pasting the glass again (in some cars you need to install a new glass) or sealing the connection with, for example, silicone (only you need to clean and dry it well), but it is rather a "superficial" solution and only in situations of slight unsealing ;)
  • #33 12269649
    iza20011
    Level 2  
    Hello, thanks for the answer, but the glass is definitely tight, I checked it with a mechanic, I even replaced it, but the water is still running so the reason for this is definitely not the glass
  • #34 12419088
    sen5i
    Level 13  
    Hello, I have the same problem and I think I found the reason - the chassis.

    Moisture is felt in the middle of the rugs, but when we open them, we see a "deluge".

    I post some photos:

    VW Passat B5 - wet floor (water under the passenger's feet) VW Passat B5 - wet floor (water under the passenger's feet) VW Passat B5 - wet floor (water under the passenger's feet) VW Passat B5 - wet floor (water under the passenger's feet) VW Passat B5 - wet floor (water under the passenger's feet) VW Passat B5 - wet floor (water under the passenger's feet)

    The first two show the absence of a "gasket" on the driver's side which would indicate where water is entering. The next two are from the driver and the last from the passenger.

    You can clearly see that the sheet lined under the lining has gone away and that is where the water is getting in. The passenger is the same, but the seals (already rotten) are in place.

    I wonder what to do with it.
  • #35 12513304
    sen5i
    Level 13  
    It's not the floor though. It's dripping down the cables somewhere. The computer is also sealed and I no longer have an idea.
  • #36 12513353
    shadow4601243
    Level 23  
    After washing the car, check that you have a dry cabin filter.

    I do not know what it looks like in the Passat, but in my A4 B5 there is a small gutter for draining the water next to the filter and I had it placed crookedly, the effects were similar to yours.
  • #37 12513370
    sen5i
    Level 13  
    Cabin filter = pollen. Only if there was an outlet, would it be wet in the whole car?
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  • #38 12513396
    shadow4601243
    Level 23  
    For me, it was only wet from the driver's side.
    It's always worth checking.
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  • #39 13417900
    marek6644
    Level 2  
    Gentlemen, the reason for water getting inside the Passat B5 & B5,5 is to blame for the sealing of the metal cover of the door visible after removing the door upholstery - a visible sign is a small inconspicuous trickle of water on the doorstep after rain - the filigree is so small that it quickly dries up and traces lack.
  • #40 13900427
    czechmar
    Level 1  
    Ladies and gentlemen, the case for me is as follows: water only on the back on the floor behind the passenger seat.
    Reason: rotten gasket on the electric power window on the door. (water flows down the glass under the door upholstery, then to the threshold from the inside and we have a lake)
    Repair: Replacing the window lifter, or at home, some sealing with roofing glue or something similar.
    It is obligatory to raise the carpet together with the insulating sponge as there is a few centimeters of water underneath. drill a hole in the floor or dry with something. VW Passat B5 - wet floor (water under the passenger's feet)
  • #41 14886559
    chwieja
    Level 2  
    Hello,
    I have a similar problem, the water under the driver's seat. I checked all the advice and found nothing disturbing.
    I have a cracked plastic lining and it does not stick well to the glass, can it be the cause of water leakage inside ??
  • #43 15490782
    primastar
    Level 13  
    Hello to you. I wanted to join. I also have such a problem, but I noticed when I imprinted the door upholstery, water came out under the loudspeaker. The openings in the door at the bottom are unobstructed. As my colleague suggests above, I understand that I need to seal the metal sheet with a door plug at the bottom with silicone.
  • #44 16621943
    passat B5 by Badi
    Level 6  
    Hello. It's time to refresh the topic. Now, for a few days I have been observing in my pasture that the water is flying on the carpet. I looked under the car and nothing is flying there, so I read on another forum that the problem is with the funnel yesterday, I unscrewed the locker, I loosened the funnel and tilted it slightly I blown it a little with compressed air and it started to fly from it after a while, so I put everything together nicely, the water was running all night because the floor was wet in the garage but I went to the city and when I came back I saw that the water was pouring on the rug again, the water was flowing as if from a tunnel Sierodowy and under the car not a drop, what should I do?
  • #45 16622163
    primastar
    Level 13  
    remove the cowl and remove the battery there is a channel, it is often clogged with leaves. and as for the funnel, maybe it is rotten? it can still fly between the cabin filter housing.
  • #46 16622201
    passat B5 by Badi
    Level 6  
    I cleaned the drain under the battery and next to the servo. It does not fly through the cabin filter because I poured water on it and everything was dry, no leaks from this area. years and I have never had a problem with it, so it is not a reason either.
  • #47 16624056
    primastar
    Level 13  
    yes, take the rope and try to push it through
  • #48 16624475
    passat B5 by Badi
    Level 6  
    I did this and nothing else flies onto the rug and under the car it is dry. And the central tunnel under the board is pouring wet all the way as if from the air on the feet.
  • #49 16624513
    andrzej20001
    Level 43  
    Air conditioning evaporator drain free to the outside?
  • #50 16624658
    passat B5 by Badi
    Level 6  
    Well, the point is that not because I cleaned everything with compressed air once and for 2 days it was quiet because it did not pour on the rug only under the car but the problem has returned and it is pouring on the rug and it is dry under the car.

    Added after 1 [minutes]:

    So it must be something else. Or maybe something broke and it's pouring?
  • #51 16624672
    andrzej20001
    Level 43  
    It's hard to remove / fold back the plastic panels and let the crane flashlight ??? . Fire up the air conditioner to the max and search. Run down the drain tube from the bottom up. Nobody on the net will do this to you.
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  • #52 20418172
    mada9591
    Level 1  
    I am writing because the topic is very current. There can be several reasons for the water under the passenger's side. I have this problem myself. 2. a mirror rarely. 3. a pollen filter housing. a sponge gasket. vw passat sell leaves.
  • #53 21341047
    kaczmarekmarcin748
    Level 1  
    My question, when I drive now when it's this autumn/winter temperature outside and I have the auto mode set on the air conditioning, should it also condense or not? Because when I started using this mode now, I noticed that I have a wet carpet on the passenger side.
  • #54 21341058
    thomas48
    Level 21  
    If the carpet is wet, water pours in. Mostly through the screwed-on sheet metal in the door, runoff from the sunroof or from the under-glass where the acku is, but it's mostly the driver's side that floods.
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Topic summary

The discussion addresses water accumulation on the floor under the passenger's feet in a 1999 VW Passat B5. Common causes include clogged drainage channels under the battery and servo, damaged or missing door seals and plugs, especially on the door leaf and metal door covers, and leaks from the pollen filter housing gasket. Water can also enter through unsealed windshield edges, faulty sunroof seals, or blocked door drainage holes. Diagnosing involves checking the air conditioning evaporator drain tube, inspecting door seals and plugs, removing door upholstery to examine metal panels, and verifying the condition of the pollen filter housing. Solutions include cleaning drainage channels with compressed air, resealing door metal covers with silicone, replacing damaged gaskets, and in some cases re-gluing or sealing the windshield. Water removal requires lifting carpets and cutting out soaked insulating sponges for thorough drying. Electrical wiring in door thresholds may also be affected by water ingress. Persistent leaks despite these checks may indicate chassis-related issues or faulty bulkhead seals. The problem is often localized to the passenger side threshold area, with water sometimes entering through the groove between plastic elements near the wheel arch. Regular inspection and maintenance of seals, drainage paths, and filter housings are essential to prevent water ingress and subsequent floor flooding.
Summary generated by the language model.
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