2000C5guy

Hey guys, my windows leak like crazy, I'm talking soaked floor on both sides and even worked its way to the trunk from the top of the b pillar . I am in the process of completely resealing both sides, down to the body itself. My question is, when it's all said and done and I'm water testing it, where is the water suppose to go? Should the door hinges be getting wet at all? Should there be any water sitting at the door sill, or is the entire door frame supposed to remain dry? I love this car but holy crap I want to enjoy it and be done with the water issue for good... only had it a few days and I don't have a garage...

Pounder

when I use water (seldom) my door jambs are wet ????? (I have a coupe) the rear hatch the water runs down the channels thru a hole in the base of the hatch down past the rear wheel wells !!!!! I never have any water inside !!!! been thru a couple real good downpours !!!

2000C5guy

Consider yourself very fortunate lol. I'm one of the unlucky ones with bad water leaks on my fixed roof. I did see all the channels where the water is supposed to go out the back. My problem is that so much water leaks in behind the weather strip on both doors that it runs to the trunk. I followed the trail yesterday. Not to mention sitting water under both seats. And door hinges are soaked. This is just from sitting out in the rain...

Bill Curlee

Fix Roof Coupe/ZO6s have a BAD problem with the sealing compound between the windshield header/ A Pillar and Roof leaking.



The water runs down the inside windshield frame, down the door pillar and INSIDE the cabin.. IF, you remove the door sill cover and have someone SPRAY down the car, you will see exactly where the water is leaking in.

I got lazy and built an RTV dam that directed the leak to the OUTSIDE. I still have to rip off the door seal and the roof rail and reseal everything!

Hinges... YES they can get wet. That's NORMAL... BUT,,, The hinge to body seal can sometimes fail or was never right from the factory. I filled mine in with RTV. If you tape up the painted body, apply the RTV and lay cellophane over the RTV, once it hardens, it looks factory.

UNSEALED FROM FACTORY:



RTV SEALED by BC:

Upper




Lower hinge:




The area where the plastic rivet is, you can see a drip.. This is where the water is leak into your passengers foot well. It runs down on to the inside of the door sill area and into the floor:




The BALCK frame area is where you will see the water running in. This is where I made the RTV DAM and solved the issue...

Vetteman Jack

I've got some Word files that cover water leaks in the C5. If you'd like a copy of them, PM me your e-mail address and I'll forward them to you.

2000C5guy

Pm sent, thanks a lot!

And thank you for the detailed pics above as well, I will fill in any gap I see that shouldn't be there. Probably going to use a combo of 3m strip caulking and RTV.

2000C5guy

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Windows are fixed but water pours in the under the passenger kick panel. If you look at the speaker above, the gap directly below and slightly to the left is where water pours in. A bit of water gets in the driver side as well but not enough volume to leak into the cabin. The car is nose up in the driveway now, I remember reading someone elses post with a similar situation. Is the windshield cowl a culprit here? I cleaned out all the udders as well. I did seal the hinges too as a precaution although they weren't a problem.

2000C5guy

Hopefully the pic above works. This is my potential solution for the leak I found. Its the only opening that leads in the side panel. So i shot some water in it and sure enough it came out at my leak. I completely sealed the top opening with black silicone. When it dries will tell how it works out.

2000C5guy

The seal I made is a no go. Same spot, I circled above on my car if it will help anyone to know where I'm looking. Seems to have helped the drivers side but when soaking the front corner of the passenger window this spot still leaks heavily. I'm at a loss now, I have no idea where its coming from. Anyone have an ideas? Like i said the nose of the car is uphill for these tests since it sits in the rain like that most days. I really wantnto just enjoy this car, 3 weeks of ownership and the interior has been apart for all of it.

2000C5guy

Ok i took a closer look at Bill Curries pictures above. The way I sealed my hinges is very skimpy compared to his. I will fit that void solid and report back.

2000C5guy

I am now at a complete loss. I sealed every thing as per the instructions above. For some reason, water still comes in at the blue circle I posted above. Sadly, if I cannot find a solution to this, my vette will have to sit in the street where the road is flat, since it only seems to leak in the driveway which has the nose upward. I will say that filling all the voids in Bills posts above has dramatically decreased the water flow in this area, however, especially on the passenger side, if I flood the lower corner area of the windshield, it leaks into the passenger kick panel. Any help here at all?

Murray Anderson

I'm not being a smart-***.

Can you back the car in so nose is down to lessen the damage while you
try to get this issue solved?

My only help, sorry.

Black 02

I had pretty bad water leaks in my Z as well, especially on the driver side. I was able to fix it by taping everything off and spraying a lot of plasti dip down in the roof molding channel. The reason I say a lot is that I sprayed enough for it to flow into the channel and seal everything up. I haven't had any leaks since. Pretty backyard way of fixing it, but it worked and is reversible if I ever want to clean and reseal it another way.

2000C5guy

I haven't water tested it with the nose down.... if I were to back in I would want to pull the interior apart and test again just to be sure I don't walk out to puddles on the floor again. The car is virtually never going to be nose down anywhere and I don't want to possibly open another can of worms until I fix the more relevant issue. As of now, all I know is I can park it flat, and it will only slightly leak, or nose up and it amplifies the leak.

I don't think it coming from the window area at all. I sealed the roof molding and weatherstripping mounting channels with black silicone. There is literally no spot for water to get in except where the window meets the weather strip, but that hasn't leaked yet.

billc80

My FRC don't leak parked downhill.

73Corvette

your BCM is on the passenger foot well... if it gets wet you'll have ALL kinds of issues... even moisture can cause damage... remove your carpet, put a fan inside and DRY things out... mold, smell, and damage to electrical stuff can get ugly quick Good luck

2000C5guy

I did reveal the BCM behind the foot board, it was dry back there throughout my testing, thank god.

Joey Z

did your problem ever get resolved?