Leaking windscreen

I know this is a perennial problem, but has any one got a good answer for it. My recently acquired 240GLT has been dry as a bone up until last friday. Driving in a downpour I noticed a tiny drop of water forming at the edge of the screen, on drivers side, just above were the plastic clip is sited. Today this has become worse and water is now coming in quick enough to wet the carpets below. I've been through the carpets out and dry them routine with my other 240 so really could do with sorting this one out before it gets to that stage. I've looked round the exterior trim and can see no corrosion or damage to rubber trim. It is definitely coming in round the edge of the glass and not from lost grommet, rusthole or round the wiper motors. Is it possible to repair windscreen sealant or is this a screen out and reseal job? :hissyfit:

Hello Ken, I manages to seal my windscreen by running sealant around the leading and inner edges of the screen, and the inside wherever I could get at it, it seemed to work for me, or if you insurance covers your screen, or maybe a "big stone chip" may be called for?

i would wait for a dry day then take off the ruber/plastic trim it just clips on , then you will have clear access to the screen and should be able to seeany gaps in the sealer the propper stuff in non setting and can be manipulated into place hope this helps :Dancing_sorry:

You can attack it from either/both sides. Remove the trim on the inside and try and see where the water is getting in. I managed to stop mine by working in some more squidgy black gutter sealant, pressing it down with the blunt end of a pencil. On the outside I have used ordinary household varnish, diluted a little to make it runnier. Slop it all over the outside trim etc, then wipe off.

I started another thread a week or so ago about the dreaded wet carpet problem - having found that water was coming in through the sunroof I thought that the problems was solved when I sorted out the seal. Although I thought that I had checked the windscreen - I hadnt been thorough enough. Upon finding the carpet wet this morning after last nights rain I investigated further and am now certain that its a windscreen leak as outlined in this thread. The surround is warped in a few places leaving gaps that water can get past. Looks like that particular side of the surround will need lifting and some mastic injected underneath. In the meantime Ive covered the offending areas with waterproof tape. Keeps me out of mischief (and away from ebay!) I suppose...........:stormy:

Sorry - I forgot to attach some photos (thought that they might jazz up the post a bit!)

hi guys sorry to jump in but as i will be buying a 240 soon is this a common prob with windscreen also is the heater matrix a prob as will or just it just the fan cheers john