Bad rust on the upper side of windshield - leaking

helijohn wrote:

OllieNZ wrote: I'd be more concerned about the effect that the rust will have on the windscreen bond as the windscreen forms part of the structure and helps prevent cabin deformation in the event of a rollover.

Gosh worrying that. I think a lot of folks drive around with a lot worse. :laugh:

You'd be surprised if a windscreen aperture was rusty we'd refuse to fit a new screen until it had been dealt with.....

Hi, on my previous jimny, a 2003 model i noticed rust appearing along the top edge of the windscreen on the roof which i admit was worrying. I meant to investigate further but on checking the boot floor as well thought sod it and traded it in against another one !!

OllieNZ wrote: Jimny windscreens are bonded in. The trim around the windscreen is just that, trim. It serves no real purpose. I'd be more concerned about the effect that the rust will have on the windscreen bond as the windscreen forms part of the structure and helps prevent cabin deformation in the event of a rollover it also helps keep the airbags where they need to be. If it comes out in the event of a frontal collision it will suck the airbags with it.

Yes they are bonded in but without the trim the water would be able to find some spots where to sit. Which I suspect is what happened on mine. The upper side of the glass forms a "lip" and water sitting there would eventually cause rust to the metal.

This being said, I know I'll have eventually to take the windshield down but I simply cannot do that now. I'm tempted to remove the rubber trim in order to be able to see the spot where the water leaks under the glass and apply some rust-stopping compound there, followed by silicon. Will probably have to purchase a new rubber trim but that should be quite inexpensive.

mickt wrote: You could try some sealant piped in with a caulking gun from the inside. Nothing to lose.

Doing it from the inside won't prevent water from sitting between the metal and the glass, causing more rust and possibly even breaking the windshield trough freezing.

Gerula wrote:
Yes they are bonded in but without the trim the water would be able to find some spots where to sit. Which I suspect is what happened on mine. The upper side of the glass forms a "lip" and water sitting there would eventually cause rust to the metal.

This being said, I know I'll have eventually to take the windshield down but I simply cannot do that now. I'm tempted to remove the rubber trim in order to be able to see the spot where the water leaks under the glass and apply some rust-stopping compound there, followed by silicon. Will probably have to purchase a new rubber trim but that should be quite inexpensive.

I'm going to have to disagree on that. I've fitted screens to several different types of car that had no trim whatsoever and the designs didn't appear to apply any consideration to drainage and to even more cars where the trim would trap water.
It's more likely that your jimny has had it's screen replaced in the past and the paint work was damaged which is very easily done.
Iirc (it's been a while since I did a jimny screen) the trim is likely to damage the glass in the top corners during removal. So I'd advise against trying to get it out until you are ready to get the screen done.