windows leaking

Discussion in 'Hymer' started by herbies, Jun 13, 2013.

  1. herbies

    herbies Read Only Funster

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    my 1995 hymer b694 on removing the carpet stuck to the wall under the front sliding cab window i was horrified to find it wet and the inner ply coat completely rotten i was told by the dealer that this is a common problem in older hymers and nothing to worrabout
    i now need to scrape the old ply off and gewt it dry and have new covering fitted but does any one know how to prevent this from happening

    cheers Herbies
     
  2. old-mo

    old-mo Funster Extra Special Life Member

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    Before you do repairs............ fix the problem..

    Maybe seals round window have dried up or cracked, or the drain holes at the bottom of the sliding window may be blocked.. Good luck.. :thumb:
     
  3. Nigel67

    Nigel67 Funster

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    I have a 1995 644 and I can tell you what the problem is as I have recently done both of my front sliding windows after one side was getting damp in the centre of the side wall underneath the bottom of the window. I assumed at first that the window mastic seal must have failed so I removed the inner trim then all the metal retaining brackets and removed the window. I was at first a bit confused as the sealer was in fact fine! So now what I thought. So I cleaned everything up then had a close look at the van and window unit. I finally discovered that the screw that holds the centre seal/upright bar in the window frame had started to rust and become loose and was letting the water slowly track in through the screw hole. As it was likely to snap if I tried to replace it, I simply covered it well with polyurethane sealer before refitting the unit. I have never had any trouble since and the walls are now nice and dry. You may be able to seal it in place but I took them out so I know it won't leak again. Hope this may help.
     
    Last edited: Jun 14, 2013
  4. herbies

    herbies Read Only Funster

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    thanks Nigel
    does any know where the vehicle weight etc stats are written on a b694?
    cheers
     
  5. Nigel67

    Nigel67 Funster

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    Your axle weights etc will be on the vin plate normally on the slam panel under the bonnet.
     
  6. JeanLuc

    JeanLuc Funster

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    It depends on the age of the van. It should be under the bonnet (mine has the Mercedes factory plate) but for over ten years, Hymer have put a weight plate on the grey skirt towards the rear of the UK off-side. Mine is just in front of the rear wheel.
     

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  7. Turls

    Turls Read Only Funster

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    Hello Nigel , I saw your post on leaking hymer window , mine is leaking in exactly the same spot and after careful examination I thought that my ally frame had hairline cracks in it , so I blocked up the drain holes and filled the the frame carefully with water to find it p##sed in . after seeing your post i'm almost convinced its the same screw hole leaking because of how quick it flowed in !! Good news for me I think !!
    Do you think I can seal it up without taking out the window successfully ??? I am very reluctant to disturb the frame really ,
    Many thanks Nick
     
  8. pappajohn

    pappajohn Funster Life Member

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    Hi Nick and welcome.

    Unfotunately this thread is 18 months old.

    Best thing to do is open a new thread under the tech/mech section of the forum.

    Click FORUMS at the top of any page and scroll to the tech section the start a new thread.

    Oh, by the way.....bite the bullet and remove the whole frame, you dont know how much damge may have been done to the wooden batons and sealing it in may make it worse.
     
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  9. Nigel67

    Nigel67 Funster

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    Hi Nick, just to confirm my windows have not leaked since. It would be difficult to access the screw successfully as its at the bottom of the frame. It was not to difficult to remove the whole window, which I originally did as i thought the seal on the window itself was leaking. After I cleaned all the old sealer off the frame and opening I used Everbuild PU40 polyurethane sealer (like sikaflex) available from Trago mills or screwfix, under £4\tube. If your reasonably handy its a fairly straight forward job.
     
  10. Turls

    Turls Read Only Funster

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    Hi Nigel thanks for your reply , I can put the van in mate garage for a weekend soon ,so after your confidence boost I shall tackle taking out the window !!!!! thanks again Nick
     

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