Windshield corner drain holes

[62ItalianRagtop]

Hi, I need some pictures of the windshield corner drain holes ?
I have a 62 beetle ..... thank you

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LOOKING FOR 62 ENGINE WITH NUMBER FROM 6.904.xxx TO 6.915.xxx
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[VOLKSWAGNUT]

The drain holes were for the assembly coating dip process for excess liquid drain off. The drains are not really required.
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[KTPhil]

On my one-owner '71 Type 3, similar drain holes for the rear window had a piece of adhesive tape covering the hole from the factory. So clearly VW did not intend these to be water drain holes.

[62ItalianRagtop]

They are very usefull in the beetle

Drain holes blocked ... result

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LOOKING FOR 62 ENGINE WITH NUMBER FROM 6.904.xxx TO 6.915.xxx
http://tettodistraccio.blogspot.com/

[KTPhil]

So where does the water go that you believe should go through a drain hole? Into the heater channels, rusting out the structure of the car. This is not what VW intended.

Replacing the windshield seal is a two hour job in a Bug. No need to risk hidden structural rust due to lack of easily-replaced seals.

[anthracitedub]

There are drain holes in the lower quarters, just ahead of the running board mount.

[KTPhil]

So please tell me why VW covered such holes at the factory? Rust us rust, whether on a Type 1 front drain hole, or a rear Type 3 drain hole.

[anthracitedub]

In my look listen do it better service bulletin # 14, it clearly shows and explains the flow of water down the lock pilar, under the sill plate, through a hole, into the rocker and out a pair of drain holes on an early Ghia.

Nope, don't like it myself.... But they expected people would actually drive these cars and sometimes they may be subjected to getting wet. So there had to be some way to allow trapped water a way to escape.

[Eric&Barb]

[drscope]

The drain holes in the bottom of the doors are more plentiful and larger then the ones in the A pillars. And the doors are ALWAYS full of dirt and debris that is clogging up those holes.
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[hitest]

^^^ hence rule #2 when shopping for a ragtop- check out the severity of A pillar rust below the hinge. (Notice I didn't say the possibility of rust)

For the OP- I say go ahead with plans for faithful hole reproduction- but understand they are not designed for successful water drainage. You better get as much paint on the underside of the flange, however, or your rust problems will not be of a nature VW ever intended to prevent.
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[Buscowboy]

Here are pics of my '62 drain holes front and rear.

Hope this helps.

[62ItalianRagtop]

Thank you

I'm not satisfied with this welding (called brazing in Italy). What do you think ?

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LOOKING FOR 62 ENGINE WITH NUMBER FROM 6.904.xxx TO 6.915.xxx
http://tettodistraccio.blogspot.com/

[Eric&Barb]

Kind of hard to tell the 3D shape from a 2D image. Does look like you have a bit of a gouge in one area. If you have a machinist friend who can loan you a set of radius gauges or just make one from your windshield profile..

As long as it will seal against a seal and sealant a must with that. We have used roofing tar or you can go down to your local glass shop and have them seal it for you. Have tried lots of off the hardware shelf sealants and that is the only one we have found to work for more than six months in our rainy PNW weather.
Talked to a glass shop worker the other day and they use butyl rubber, but will not warranty that it will seal if the auto has a sub woofer!

Use a high primer sealant on the metal to help galvanize against rust. Anything with less than 85% zinc is a waste of $$, been able to find 95%. Does really help.
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[drscope]

Brazing and welding are a different process.

Brazing uses brass as a filler metal. So where ever you put brass won't rust - at least not the brass. Brazing also uses a much lower heat temperature then welding.

Usually when brazing you heat the metal with a torch until it just starts to glow red, then put the brass on and flow it with the heat. The heat actually opens small pores in the metal and the brass flows into them. Then when it cools the pores close tight around the brass and that is what locks it to the surface/

Welding is a much higher temperture that actually melts the steel, then the filler material is also steel. It all flows together and forms one piece when it cools.
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[panicman]

I hate to say it, but it doesn't look like those drain holes did a lot to prevent rust. The ones in my windshield area look to be factory sealed, and while there was a bit of pitting, it was nothing like that.
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[lovethatconvertible]

[panicman]

You just said their purpose was to drain. That makes them drain holes. Yes, the holes in the front and rear window areas were intended to DRAIN primer. If water is past the seals, it is new seals that are needed, not more holes in the car.
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[jzjames]

Maybe a drain is a drain. For any moisture that gets past the windshield gasket, with the added benefit of draining the primer in the painting process.

Whats the source that says it was for draining the primer?? Maybe I need to re-read this thread.

[KTPhil]