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Thread: Cabin Air Flow

  1. #1
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    Cabin Air Flow

    Good afternoon, everyone.
    I am having a problem with the build up of moisture in the cabin of my 2003 Polo 1.2. The air conditioning has been checked and is in good order. The pollen filter slot has been cleaned and a new filter fitted and, I have also checked and cleaned out the external drains from the scuttle and windscreen base as far as I can. However, on cold or wet days (other than in summer), I have to remove excess moisture from the inside of the windscreen and other windows, this morning it was also frozen on the inside.
    I have looked for the external vents through which stale air is exhausted to see if they are blocked, but cannot locate them, even with the fan on maximum speed. What should I be looking for and where are they?
    I'd be grateful for some guidance!

    Regards from a cold North Yorkshire
    2003 Polo 1.2S, 54PS, 5 door, Engine code AWY

  2. #2
    Administrator Crasher's Avatar
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    Early 9N’s are prone to water leaks in the boot from the light units so check for damp in the spare wheel well. My Octavia has a little water getting in the boot recently and I have been to busy to deal with it and consequently every morning it is heavily misted up and recently frozen inside so it does not take much. This afternoon Mrs Crashers was saying her 9N has been misty inside a lot recently but no trace of a leak. As you have AC, make a habit of running the heating on recirculation and with the AC on as this will draw in and dehumidify the air inside the car without introducing moisture from outside, that is if the recirculation flap works which is a common issue on the 9N.
    "I disapprove of what you say, but I will defend to the death your right to say it"

    Evelyn Beatrice Hall (28 September 1868 13 April 1956)

  3. #3
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    Good afternoon, Crasher, and thank you for your prompt response.
    I've had a look in the spare wheel well and it's dry, apart from some water in the centre of one of the plastic boot plugs. However, there is some dampness around the nearside rear lamp unit and I'll have a more detailed look at this during the week; I presume that a replacement seal would be available if necessary. Otherwise, I still need to locate the stale air exit vents at the rear of the car.
    Thanks again and regards
    2003 Polo 1.2S, 54PS, 5 door, Engine code AWY

  4. #4
    Administrator Crasher's Avatar
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    I had the air vents leak on a Golf 6 the other week but this was due to a botched body repair where the gasket was damaged and not replaced, I can’t recall having it on a 9N, the water in the grommet should not be there, it is like my Octavia where the four grommets had water in them but the metal was dry and I assume it has escaped out of the drain hole these have. The two air vents are in the rear panel behind the bumper



    and have been revised under part number 6X0 819 465 E, they cost 16.28 each

    Annoyingly you cannot but the rear light seals, you have to buy the bulb holder 6Q6 945 257 A left and 6Q6 945 258 A right at 28.85 each
    "I disapprove of what you say, but I will defend to the death your right to say it"

    Evelyn Beatrice Hall (28 September 1868 13 April 1956)

  5. #5
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    Good afternoon again and thanks for your most helpful reply, I'll check the grommet drain hole and the rear panel air vents in the morning.
    Kind regards
    2003 Polo 1.2S, 54PS, 5 door, Engine code AWY

  6. #6
    Junior Member adamscarborough's Avatar
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    If anyone else finds they have a damp boot floor, another thing to check is that the washer fluid pipe to the rear wiper isn't damaged or become detached.
    Twice I've had issues with mine, once a pipe had come detached as it came into the boot, area behind the boot lining carpet, and another time damage at the wiper motor end causing a leak, both times they were hard faults to trace as I though it was either rain leaking from outside or someone had spilt something in the boot.
    Current vehicles
    2015 Beetle Design BlueMotion 5C 1.6 TDI-CR CAYC
    2012 Skoda Citigo SE1.0 CHYA
    2010 Golf SE 1.4 TSI CAXA

  7. #7
    Administrator Crasher's Avatar
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    Mrs Crasher told me earlier today she noticed a plastic seat cover I had put on the near side rear floor of her 9N was damp... I can’t see it being the washer tube as it had that exact problem about four years ago and I got one of my lads to run a new pipe through from front to back replacing the nasty failure prone black corrugated plastic so it will probably be the usual 9N leaking rear light unit.
    "I disapprove of what you say, but I will defend to the death your right to say it"

    Evelyn Beatrice Hall (28 September 1868 13 April 1956)

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