I have a leak through the winder of my main roof light on my 1992 Hymer 644

Discussion in 'Motorhome Chat' started by Team Winger, Feb 18, 2016.

  1. Team Winger

    Team Winger

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    Hi folks, I'm new to this site but thought I would ask your advice.
    I have a leak which comes through the handle of my main roof light 800/500 on my Hymer 644(1992). I have sealed with sticks all around just about everything and even created a wall of sticks all to barrier off the hole where the winding mechanism is...I parkedthevan on a different angle and it started again. It is starting to drive me mad. I'm in Cornwall..am I missing some sort of seal on the winder itself? Where could I buy a new mechanism? What do you think I should do?

    Cheers all :)
     
  2. Bacchus

    Bacchus Funster

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    Morning @Team Winger and welcome to the forum.

    Are you certain that the leak is actually coming through the winder, and not just running along to the lowest point and dripping through there? I have seem the rooflight in my '91 544 leak (twice in five years) when the vehicle has been absolutely flat, the roof has been dirty (mio culpa) and heavy rain has ponded until it flooded over the ridge underneath the rooflight. This did then run down and drip from the winder. Winding the thing down tight or parking on a very slight gradient prevents it for me.
     
  3. audlin

    audlin Funster

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    I had this problem so had the rooflight resealed which ended the leak.
     
  4. audlin

    audlin Funster

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    And welcome!
     
  5. Forestboy

    Forestboy Funster Life Member

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    Resealed mine a few months ago its perfect now.
    Not a big job but has to be done properly using the correct sealer and all tbe old stuff must be cleaned off first.
     
  6. Badknee

    Badknee Funster

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    If it's deffo not the seals on the winder then a full reseal is the only way I'm afraid. Just done mine and it takes half a day to do but you need all the stuff ready to do it. Oh and a very nice man who let's you use his workshop or a dry warm sunny day.(y)
     
  7. JeanLuc

    JeanLuc Funster

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    Sounds as though the roof light frame and mechanism needs removing, cleaning and resealing. Had one of ours done some 14 months ago and I'm about to do the other one in the shower room as soon as the weather warms up a bit. The sealant is a non-setting mastic but it hardens and cracks over time. It is prudent to assume a roof light will need re-sealing after about 10 years - beyond that you are doing well.
     
  8. Sparkly

    Sparkly Funster Life Member

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    Hi there

    If you are on Facebook do a search for Classic Hymers, it is a group with in excess of 1000 members who all have a passion for Hymers, generally about the age of yours and older.
     
  9. GWAYGWAY

    GWAYGWAY Funster

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    Is there no ledge running along the edge to act as as dam to stop the water getting to the hole for the winder?
    Dirt build up allows water to go over the ridge and not out to the outside have a look on top with it wound up as high as it goes.
     
  10. GJH

    GJH Funster Life Member

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    We've got a similar problem which I fixed temporarily by oversealing so we could get to Lincoln and to the NEC next week (both already booked).

    When we get back from the NEC I'm going to book it into the local MCEA engineer to be removed and replaced properly with new sealant. He can do it in a nice dry workshop (it would be bound to pour down as soon as I got it off if I did it on the drive) and knows what he is doing more than me.
     
  11. SIFTA SAM

    SIFTA SAM Read Only Funster

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    The external plate on which the winding mechanism/shaft is mounted is very prone to rust between the underside of this plate and the M/H roof. Hymer only use sealant between this plate and roof where the eight screws are fitted.
    I have just removed/de-rusted and resealed these plates (2) on my 2004 B544 using Wurth Bond+Seal. The rust had just started to 'attack' the roof finish.
     
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