Now that I'm happily living in the world of functional (not caulked shut), OEM sunroofs, I've been noticing some puddles on the seats.

It seems to be dripping from the front corner on the driver's side, and also along the passenger side.

I'm waiting until I have these addressed to put the headliner back in.

So any tips on how best to get the seal between the glass and the weatherstrip water tight greatly appreciated. Also, should the weatherstrip be tight against the roof panel, or is it typical for there to be a small gap here and there?

I'll get some pics tomorrow to post.

quote Originally posted by lorennerol: So any tips on how best to get the seal between the glass and the weatherstrip water tight greatly appreciated. Also, should the weatherstrip be tight against the roof panel...

Water penetration into the cabin when the sunroof is closed has basically nothing to do with the glass panel not being tightly pressed against the rubber seal.

If the four drain holes (one in each corner) are not plugged up with debris (and/or caulking), the sunroof can even be in the popped up position and not leak water into the cabin while driving in the rain.

I've had four Fieros with factory sunroofs ('84, '86, '87, '88) and none of them have leaked water into the cabin... and I live smack dab in the middle of a temperate rainforest, with no garage!

[This message has been edited by Patrick (edited 04-25-2015).]

my interior is done minus headliner and carpet so I'm right with you.

My headliner seems to get moist around the sunroof during rain but doesn't drip, I am looking to get mine sealed tight too, just not sure where to begin.

I'm assuming I should my all new gaskets to make sure.

I'll follow this thread

Start with checking the drains as sugested then use a conditioner on the rubber.

You can adjust the tabs on the front of the glass by bending them a little to help pull the glass down onto the rubber at the front.
I've also tried various shims behind the catch to give it bit more pull although because of the way it mounts, it ends to 'rock' so the effectiveness of such shims is limited unless you put a 'leg' on the shim that presses against the roof to help stopp it rocking but then you risk pulling the glass too tight and breaking it.
I think part of the reason roofs leak is that the roof itself flattens out over time so that it does not follow the curve of the glass any more. The result is that you end up with gaps that you really cannot do much about. I'm going to paint my car 'son' so at some point I'll have the roof off and I think I'll look at experimenting with supporting the roof from the underside somehow, block of something or other maybe, to try to get a curve back into it.
I got mine to seal after a LOT of work and adjusting while using a hose to check for leaks (plenty of towels inside the car to catch the drips!) but the rule now s "don't open it"!

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Anything I might say is probably worth what you paid for it, so treat it accordingly!

Dave

www.ltlfrari.com

vista vent type roof leaks often cause by latch holes in the frame are bent.

Remove latch and "studs."
Fix bent holes.
them try adjusting the latch. forward to tighten, back to loosen. Or maybe other way around? Can't remember right now.

84-86 may need drain holes drilled... use search.

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Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
(Jurassic Park)

The Ogre's Fiero Cave (It's also at the top and bottom of every forum page...)

[This message has been edited by theogre (edited 04-25-2015).]

quote Originally posted by theogre: vista vent type roof leaks often cause by latch holes in the frame are bent. Remove latch and "studs." Fix bent holes. them try adjusting the latch. forward to tighten, back to loosen. Or maybe other way around? Can't remember right now. 84-86 may need drain holes drilled... use search.

Good info in the thread, thanks all. Interesting that some people can drive with the roof tipped up in the rain and no leaks, and others have struggled to get it water tight at all.

This is a donor roof that I bought removed, so I'm not sure what year car it came from and since the paint shop installed it, I don't know if the holes are there.

Will get and post some pics later today.

Well this might help, I did it on two of mine and it worked great!
Buy some round shoe laces, the kind that are for work boots / hiking boots.
Pry up the seal and install the laces under the seal on the outer side of the seal, all the way around the seal.
Should raise & thicken the seal so the glass gets pressed firmer into it when closed.

Good Luck!

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"Because in a split second, It's gone"
Ayrton Senna