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Water Ingress | Side Sills Sloshing Water ?

Discussion in 'Audi S4/A4/A4 Cab (B7 Chassis)' started by Redski, Nov 5, 2012.

  1. Redski
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    Redski New Member

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    [Nov 5, 2012]
    Hi, hope you're well.

    I have a '56 plate A4 Cabriolet S-Line and recently I started to see water come out the front of the car when I reversed off the driveway after a night when it's rained. It seems as though it was coming out the front of the door sills, on the outside of the car by the front wheel arches.

    This has now progressively got worse and I can hear sloshing every time it's rained. When I reverse off the driveway, the water isn't dumping out straight away now, and only seems to become less of a slosh after driving for a while but never completely stops making the noise and it's really frustrating.

    I've checked under the battery, I've checked under the brake servo and these are clear and no debris or water in sight.

    The water definitely seems to be moving back and forth in the sill I think ?

    I jacked the car up and got underneath it, and all the holes which seemed like drainage holes to me felt clear.

    I'm really at a loss here and don't want to stump up £72 for Audi's half hour assessment, and they then call back to say they couldn't diagnose it in the half hours labour time and I need to pay £72 for another half an hour and then extra on top for the repair.

    Ps. It isn't inside the doors.

    Any help greatly appreciated !
    #1
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  3. bez101
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    bez101 Yorkshire & Humber Rep. Regional Rep VCDS Map User

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    [Nov 5, 2012]
    strange 1
    part it the other way round see if it still does it
    #2
    Redski likes this.
  4. Redski
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    Redski New Member

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    [Nov 5, 2012]
    You know what, that's quite a good suggestion to help diagnose ! I hadn't thought of that.

    Its just really bugging me ... I don't know where else the water could be coming in from :eek:/
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  5. pburv
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    pburv Member

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    [Nov 5, 2012]
    Hi Redski. I also had a similar problem a few months ago.The rear brake light was replaced on my car and the techie forgot to tighten the rear cluster lense!!:motz:this let in a lot of water into the bootlid which caused a slushing sound when I drove around.I had to remove the rubber gromet to release the water.Maybe this is the cause of your troubles?
    #4
  6. sewell10
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    sewell10 Member

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    [Nov 5, 2012]
    Check the drains in the scuttle panel the can get blocked
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  7. bez101
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    bez101 Yorkshire & Humber Rep. Regional Rep VCDS Map User

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    [Nov 5, 2012]
    the cab hasnt got the lights in the boot lid
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  8. pburv
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    pburv Member

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    [Nov 5, 2012]
    oops! sorry just trying to help:3sadwalk:
    #7
  9. Redski
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    Redski New Member

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    [Nov 5, 2012]
    Thanks for the heads up. Where are the drains in the scuttle panel ?
    ... are these the things under the battery & brake servo because I've tried these and they weren't blocked - that I could tell and they got poked through with a long screw driver !

    Ps. Pburv, thanks for the help.
    #8
  10. sgi
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    sgi Member

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    [Nov 5, 2012]
    On my b6 cab the water got in thru the pollen filter housing and sloshed around under the car. The mech drained most of it out from drain holes on the underside of the car but there is still some water there that needs a bit of encouragement - sharp bends at high speeds type stuff ! Apparently there are numerous channels it can accumulate in. The mech said the only sure way to get rid of it all was to remove the carpets and drain from the inside !
    #9
  11. Redski
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    Redski New Member

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    [Dec 4, 2012]
    Hi all,


    Thanks for all the help & suggestions.


    Im just updating this thread, now the issue has been resolved - to help anyone else experiencing the same issue because I couldn't find an answer on the net, or where I did find a thread with the same issue, it hadnt been updated with the resolution of the issue.


    So, on my B7 A4 cabriolet, I had water sloshing back & forth in the door sills when I accelerated & braked.


    I checked under the battery & brake servo drains before posting here and both plenium chamber drains were dry & clear.


    Audi successfully diagnosed the issue as a failed door seal.


    Water was getting in, and sitting in the door sills as the drain holes had become clogged with leaves and sludge.


    Door seal replaced, drain holes cleared and cleaned ... and my car no longer sounds like the Titanic !


    Thanks to all.
    #10

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