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post #1 of 7 (permalink) Old 02-16-2019, 08:03 AM Thread Starter
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Replace front windshield seal?

My 65 Mercury Cyclone still has what appears to be the original front windshield seal in it. The seal shows it's age and has damage from heat. The guy who pulled it from long term storage replaced the rear window seal when he painted the car but not the front.

the last windshield seal I replaced was in a 65 VW but that was 30 years ago.I have no body shop experience and no tools for removing windshields. I am a little concerned about opening a can of worms (what I find when I get it out of the car) and am concerned about breaking the windshield when I try to put it back in.

Does anyone have any first hand experience with this job on this car?

Thanks


I found this video, which seems pretty comprehensive. In this video he glues the windshield using 3 tubes of sealant. That will work but will make future removal difficult. I wonder if it's truly necessary?



https://youtu.be/oWdSSa1Mzhs

Last edited by 65merccyclone; 02-17-2019 at 10:41 AM.
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post #2 of 7 (permalink) Old 03-20-2019, 07:22 PM
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Re: Replace front windshield seal?

I notice you haven't gotten any replies, but please let me know what you find out. I've got a '64 Falcon convertible with the same problem. I've looked at a few youtube videos, and I ordered the new seal but it looks like a royal PITA to pull the windshield and put it back in.

I've seen other posts in various forums that say most glass shops won't work on the older cars these days, because nobody knows how to replace the glass on the old ones anymore.
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post #3 of 7 (permalink) Old 03-21-2019, 07:23 AM
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Re: Replace front windshield seal?

i called around and found a glass shop where the auto glass guy was older and had experience.
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post #4 of 7 (permalink) Old 03-21-2019, 12:44 PM
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Re: Replace front windshield seal?

Removing glass when your going to replace the seal is easy and should be done this way to avoid breaking the glass, first check your new weather strip on your glass to make sure it's correct then take a sharp box cutter and cut the old weather strip off the glass. Make sure the glass is cut free around the eadge and frome the inside then lift the glass out. Next remove all the weather strip and clean up all the surfaces. Next I try the new weather strip in the body and if I have time I leave it in the body for a day or two. Some new weather strips are boxed for some time before you get them so being in there correct shape for some time can make them easier to work with. In this time I clean the glass of all debris and sealant that will cause a leak later on.
Next fit the weather strip to the glass and install moldings if necessary. With the glass facing down I install a 3/16" rope in the pinch that the body goes into, I use slightly diluted dish soap and coat the back side of weather strip that will contact the body keeping it damp. With a helper you can set the glass in the CENTER of the opening, your rope should go around the glass and meat it self on the bottom of the weather strip because the bottom of the glass is what you will set first, so setting the weather strip on the pinch weld across the bottom and gentally pulley on the rope and working the rubber in the correct place on the glass and the body at the same time working around the glass. The glass will need help going into the opening with a few well placed pat's on the outside of the glass. And the weather strip will need help coming in over the pinch weld so a glass hook is nice and if you have the dish soap in a squirt bottle that works also.

A word of caution here take your time and if your having trouble just walk away and come back to it. If you pull to hard on the rope it will let you know because it will cut thrue your new weather strip and if it gets to this point you can help it come over the pinch weld with the window hook.

Another thing is if you are doing paint and body work on you car or one next to it Do Not Use SILICONE SPAY to install glass....... Typically glass needs some sealants in the lower corners or at seams in the body. I use windows weld sealer for this if needed.

As a note at one time I had a tire machine in my shop and would use a product for tire lube on weather strips, it was called Rube Glide I believe and it really worked nice.

Good luck and take your time.

Iowan
"Obsolete is neat"


Last edited by Iowan; 03-21-2019 at 12:49 PM.
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post #5 of 7 (permalink) Old 04-24-2019, 02:53 PM Thread Starter
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Re: Replace front windshield seal?

Quote:
Originally Posted by ranbush View Post
I notice you haven't gotten any replies, but please let me know what you find out. I've got a '64 Falcon convertible with the same problem. I've looked at a few youtube videos, and I ordered the new seal but it looks like a royal PITA to pull the windshield and put it back in.

I've seen other posts in various forums that say most glass shops won't work on the older cars these days, because nobody knows how to replace the glass on the old ones anymore.

I happened to have the car in a shop getting the A/C charged. The shop owner said he 'had a guy' who is an expert in replacing the seals. Well, I took a chance and he did a great job. It took him about 3 hours to do the job. I got 2 tubes of 3M 08509 sealant. he only used one tube. Cost was $300. Good luck getting your seal replaced.
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post #6 of 7 (permalink) Old 04-24-2019, 02:55 PM Thread Starter
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Re: Replace front windshield seal?

Quote:
Originally Posted by Iowan View Post
Removing glass when your going to replace the seal is easy and should be done this way to avoid breaking the glass, first check your new weather strip on your glass to make sure it's correct then take a sharp box cutter and cut the old weather strip off the glass. Make sure the glass is cut free around the eadge and frome the inside then lift the glass out. Next remove all the weather strip and clean up all the surfaces. Next I try the new weather strip in the body and if I have time I leave it in the body for a day or two. Some new weather strips are boxed for some time before you get them so being in there correct shape for some time can make them easier to work with. In this time I clean the glass of all debris and sealant that will cause a leak later on.
Next fit the weather strip to the glass and install moldings if necessary. With the glass facing down I install a 3/16" rope in the pinch that the body goes into, I use slightly diluted dish soap and coat the back side of weather strip that will contact the body keeping it damp. With a helper you can set the glass in the CENTER of the opening, your rope should go around the glass and meat it self on the bottom of the weather strip because the bottom of the glass is what you will set first, so setting the weather strip on the pinch weld across the bottom and gentally pulley on the rope and working the rubber in the correct place on the glass and the body at the same time working around the glass. The glass will need help going into the opening with a few well placed pat's on the outside of the glass. And the weather strip will need help coming in over the pinch weld so a glass hook is nice and if you have the dish soap in a squirt bottle that works also.

A word of caution here take your time and if your having trouble just walk away and come back to it. If you pull to hard on the rope it will let you know because it will cut thrue your new weather strip and if it gets to this point you can help it come over the pinch weld with the window hook.

Another thing is if you are doing paint and body work on you car or one next to it Do Not Use SILICONE SPAY to install glass....... Typically glass needs some sealants in the lower corners or at seams in the body. I use windows weld sealer for this if needed.

As a note at one time I had a tire machine in my shop and would use a product for tire lube on weather strips, it was called Rube Glide I believe and it really worked nice.

Good luck and take your time.


Those are all great tips. I ended up finding someone to do the job for me. He did a great job. It was expensive but I think the value was good. Thanks again. I think your tips will be helpful to someone in the future.
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post #7 of 7 (permalink) Old 04-25-2019, 05:20 AM
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Re: Replace front windshield seal?

I can tell you I tried to take the windshield out of my 63 galaxie and broke it I to had done a few vw s in the day lol if it was me I would get a windshield guy to come over a few of them will do house calls good luck
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