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This may be why your C3 leaks when it rains

69MyWay

Well-known member
Joined
Jul 3, 2001
Messages
4,364
Location
Auburndale, Florida
Corvette
1969 Killer Shark
Take a look at this hunk of rust. This is what could be lurking under the extreme lower corner of your windshield frame. It is not visible from inside the car.
 

Jack

Well-known member
Joined
Dec 27, 2000
Messages
1,825
Location
Florence, SC (Timmonsville SC)
Corvette
71 War Bonnet Yellow VERT 71 BH Blue CPE (SOLD)
trick trailer?

Chris:
Well ... with your body/frame skills and $$$ ... yes ... but isn't this the one destined for trailerdom?
JACK:gap
 
Joined
Jun 5, 2001
Messages
2,231
Location
Northern Virginia
Corvette
71 Conv. (Sold) / 98 Pewter Coupe (Sold)
Geez Chris, those pics were disgusting and I just had dinner:puke. Warn me next time:L.

- Eric
 
7

78SilvAnniv

Guest
How would you...

...fix a problem like that if it was on your daily driven car?

(I don't know if that is 78's problem, but I thought I 'd ask...)
Silver
 
S

ssvett

Guest
Chris, That looks just like the one I have, or had. Have you been to Missouri? It dosen't take that big of hole to make a mess in the floor board. I've seen them as small as 1/4 inch make a water fall, but they are easier to fix............Steve
 

69MyWay

Well-known member
Joined
Jul 3, 2001
Messages
4,364
Location
Auburndale, Florida
Corvette
1969 Killer Shark
Re: How would you...

78SilvAnniv said:
...fix a problem like that if it was on your daily driven car?

(I don't know if that is 78's problem, but I thought I 'd ask...)
Silver

What you are looking at is a 79-so none are imune. This is a result of water/moisture running down the windshield into the lower corner and getting trapped under some crack or opening in the factory bonding between the fender mount and metal frame. There is a small piece of fiberglass in a triangle kind of shape that stands about an inch tall that rivits in three spots to the metal frame. The fender is then bonded to it in the extreme upper corner. Where this piece is rivited, there is bonding material. Over time it "debonds" and water gets in. The bonding process etches into the factory primer. When it breaks free, it leaves bare metal. Everytime you wash it, or it rains water gets in and starts rusting it away.

It can be fixed by cutting the upper 10-12" of the fender corner off, then peeling it back. I would also pull the door. You can still get patch panels to replace this corner, and or if it is not that bad, a little sand blasting and chemical rust treatment plus some liquid metal or water proof body filler will do the trick. This one here is beyond trying to "fill", it would need total replacement. A good welder could hammer out a piece of sheet metal to the trick.

Weld, patch it in, rust treat, prime, seem seal, then paint. Follow by putting the triangle piece back down with a good amount of sealer between it and the cowl. Now you can bond the upper fender corner back on, and fiberglass/fill it back smooth onto the car. Hang the door and head for the paint shop.

BTW, this car looked great before it was cut open. There was only a little sign of rust from on top, and a massive water leak when it rained. The car always smelled musty.

Jack, you are right. This rear clip is to become the freaky pull behind trailer complete with seat, sun umbrella, cooler, grilled, storage, radio, and anything else I can cram into it.
 
R

redmist

Guest
Yep, when I had my windshield replaced a similar problem (though not as severe) was discovered. Luckily there was a body shop next door with a great welder very familar (he built a C3 custom for Don Johnson) with c3. He cut out the rust and welded in new sheet metal.
You are right about the "lurking" I had no indication anything was amiss.
 

a69vette

Well-known member
Joined
Jun 20, 2001
Messages
264
Location
Valrico, Fl.
Corvette
1969 Triple Black Convertible: 2014 Crys Red Conv
Hey! I think that's what Lonnie's (71blacktip) might look like. He needs to see this.
Rick
 

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