Vibrating doors at speed?

Discussion in 'Tech/Mech General' started by Dereckerick, Mar 24, 2010.

  1. Dereckerick

    Dereckerick

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    Hi All

    I only seem to be on here when ive got issues:Doh: its not really a problem, i just want to know if its common or easily fixable....

    Ive got an Autotrial Cheyenne 696 2001 on a Fiat and at speed, well 70> or in a fair wind the top of the cab doors seem to vibrate?

    Aside from this i'm a very happy chappy, all of the post Spanish break in damage has been repaired and ive just bought a privacy room which will be tested in the Lakes this weekend.

    Im just glad i was able to find a site fairly close to civilisation as im with the missus and the baby.

    The CCC site in Keswick had places available so my first trip to Keswick::bigsmile:
     
  2. gogocrosby

    gogocrosby

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    They all do that, don't they?
     
  3. neilmac

    neilmac

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    Err...... SLOW DOWN!! :winky:
     
  4. Dereckerick

    Dereckerick

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    To be honest it does keep me within the law, it just gets a bit annoying when theres a bit of wind as it slows me dow too much!
     
  5. Robinhood

    Robinhood

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    It's a well-known and common problem on that vintage of 'van.

    I once went over the A66 in a near gale and I swear I could see daylight through the door seal (inbetween moments of sheer terror when I thought I was going to get blown over).

    It is possible to minimise the problem by adjusting the door-striker mechanism to the point where the doors only shut with a good, solid slam. (but it's unlikely to fully cure it in the worst of conditions). Can'tr remember whether it's a hex or torx bolt head on the striker.
     
  6. pappajohn

    pappajohn Funster Life Member

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    they all do it to an extent and there's no real cure.
    additional draftproofing tape may help but it doesnt look very nice.

    you may find it does it more in a diagonal head wind...whichever side is 'out of' the wind will move most due to the pressure difference (vacuum) on that side sucking the door outwards.
     
  7. dragabed

    dragabed

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    http://www.motorhomefun.co.uk/tech-mech-general/21985-vibrating-doors-speed.html#post

    had this prob in another van i rolled the window down put my knees against the inside of the door and bent the top of the door inwards about an inch i think and the door closed better and stopped the vibrating
     
  8. Ralph-n-Bev

    Ralph-n-Bev Funster

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    We had the same problem on the passenger side door. Like you say only at speed , over 40 plus. Ralph adjusted the striker plate as above, it worked. It now closes with a bang rather than a chunk , but doesn't whistle anymore!
    Bev
     
  9. DESCO

    DESCO

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    I think that stopping the door vibrating is largely a matter of luck.

    Read somewhere that is something to do with the Luton shape, or the over cab bulge, and due to the fact that the door top was not man enough to stop vibration when converted something to do with wind currents. It does apparently not happen to standard vans.


    Dave :thumb::thumb:
     
  10. TonyIsh UK

    TonyIsh UK

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    We had this on a Swift Kontiki. We solved to degree by fitting window wind deflectors. It seemed to change the air flow slightly and reduce the vaccum effect.


    http://www.extremeautoaccessories.co.uk/products.php?section=2791

    AS a bonus as we did not have air conditioning, we could drive with the windows open and no draught.

    Rgds
     
  11. Douglas

    Douglas

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    What I would be concerned about is not the vibration but the possibility that the door seal is not working properly due to a badly fitting door.

    A leaking door (Water) can end up doing one hell of a lot of damage to the van base, most bases are made of thin layers of plywood with insulation in between and from what I have found out and seen, the plywood is not even of a marine quality!

    Doug...
     
  12. dazzer

    dazzer

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    As already said wind down the windows and bend the frames inwards to make a better seal at the top. Do it a bit at a time and do a speed test before bending again. :thumb:
     
  13. Douglas

    Douglas

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    Wrong door, sorry

    Doug...
     
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