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Old 06-20-2010, 12:53 AM   #1
pMak26
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Removing Scratch in Windshield?

So I had some bird crap that the wipers and spray were not taking off, I didnt have a cloth or anything around to wipe it off except a piece of laminated paper. I thought, no biggie, I'll just scrap the sh!t off and be on my way.

Somehow, it actually scratched the windshield.

Does anyone have any experience with X product or X brand that you'd recommend to remove the scratch? They are not deep, won't even catch on a fingernail and can't feel anything. But they are visible and directly in my line of sight.

HELP!
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Old 06-20-2010, 02:12 AM   #2
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Not the same situation....but I too have scratches on my windshield. Mine are mainly because of 6 years of use but I am interested in the possibility of fixing them vs. replacing the windshield....in for input
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Old 06-20-2010, 02:23 AM   #3
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I have some rock chips in my windshield that are in my field of vision that are just annoying enough for me to subscribe... Also in for input, good luck OP.
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Old 06-20-2010, 05:13 PM   #4
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Bump, I'm going to try and take care of this problem this week. I'll update with results.

Edit: fyi, Trying to toothpaste method first.
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Last edited by pMak26; 06-20-2010 at 05:41 PM.
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Old 06-21-2010, 11:22 PM   #5
pMak26
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Toothpaste didn't do sh!t.

http://www.harborfreight.com/auto-gl...ads-67603.html
I'm giving this a shot. So far it has decreased the scratches but not eliminated them completely.

This sucks so bad. Freakin bird poop.
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Last edited by pMak26; 06-21-2010 at 11:24 PM.
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Old 06-22-2010, 02:12 PM   #6
Jmanscotch
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So it worked some, good news I guess.

Question: Did it work enough to justify buying it and the trouble of using it? I can't (my computers fault) get the link to load so I can't see what it cost or what the product is/involves.

I did get a chance to speak with a repair guy I know and his feelings are that when the scratches get to a certain point then the only real option is to replace it.
Guess I need to find out what my glass coverage is with the insurance.
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Old 06-22-2010, 09:22 PM   #7
pMak26
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Originally Posted by Jmanscotch View Post
So it worked some, good news I guess.

Question: Did it work enough to justify buying it and the trouble of using it? I can't (my computers fault) get the link to load so I can't see what it cost or what the product is/involves.

I did get a chance to speak with a repair guy I know and his feelings are that when the scratches get to a certain point then the only real option is to replace it.
Guess I need to find out what my glass coverage is with the insurance.
It definitely worked enough to justify the $17 it cost to give it a shot. It's item #67603 at Harbor Freight. I went through 3 of the 6 pads it came with and I'd say it has been reduced half the depth/severity. Took about 30minutes to get to this point. Hopefully tomorrow I'll have the time to polish further.

Your glass guy is correct, some scratches are just too deep and the glass would need to be replaced.
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Old 06-23-2010, 01:36 PM   #8
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^follow up on that post.

After driving around in the sun a bit today, the scratches might have gone down, but at the cost of slight distortion to the windshield. Being that it is directly in my line of sight, I'm going FVCKIN NUTS.

I can't believe bird sh!t is going to cost me $500.
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Old 06-23-2010, 02:37 PM   #9
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You should try clay-ing first.
Wash your car (or windshield in this case) really well.

Then get the clay bar kit - Mother's Clay Bar kit or Meguiars clay bar kit . Either kit is about $20
Follow the instructions of usage on and around the spiderweb scratches...
and then apply about 4-5 layers of Turtle wax over area < Bluff between applications.

It should fix most of the blemishes.

Take some photos.
Good luck.

PS: Bird poop contain really strong acids, so it tends to etch paint and glass. It's best to wash that sh!t off ASAP. Don't let it dry/crust-up on your vehicle.

Last edited by BimmersGarage; 06-23-2010 at 02:40 PM.
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Old 06-24-2010, 05:33 AM   #10
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^I will gave the clay bar and wax a shot, thank you very much for the advice!
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Old 06-24-2010, 06:30 AM   #11
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I had a similar problem on my car after using a soft brush to remove snow during winter. It left real fine scratches. I used a specific glass polish, available from most car accessory stores and a lot of elbow grease. Still not perfect but better then it was.
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Old 06-24-2010, 06:37 AM   #12
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clay bar wont do crap, waxing will mayyyybbeee hide it for a little bit.

You have to use cerium oxide glass polish with a special pad. That kills scratches and very minor pitting.
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Old 06-24-2010, 09:31 AM   #13
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The clay bar is to get rid of any other residue/film lift on (or IN) the crevices of the scratch(es) - Let them be glass cleaner, toothpaste, grime, bird poop, road dust, or whatever else. So, he'll have a better chance of applying a good layer (several) of wax.

At the very least, the wax will prevent/protect the glass from getting etched so easily by bird crap next time .
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Old 06-24-2010, 09:51 AM   #14
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Polish + Porter Cable.

Here's a link to a detail job on bimmerforums, outlining what was used.
http://forums.bimmerforums.com/forum...11&postcount=6
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Old 06-24-2010, 10:09 AM   #15
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^
Nice sig
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Old 06-24-2010, 11:20 PM   #16
pMak26
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http://www.caswellplating.com/buffs/glass.htm

I order this and will be giving this a try when it comes in next week.
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Old 06-25-2010, 08:39 AM   #17
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Google "how to fix windshield scratch"

LOTS of hits
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Old 06-25-2010, 08:44 AM   #18
pMak26
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^stupid. Of course I googled, but 95% of that sh!t doesn't work. Read my original post, I was looking for personal experience with X product.
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Old 06-25-2010, 10:52 AM   #19
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Originally Posted by pMak26 View Post
^stupid. Of course I googled, but 95% of that sh!t doesn't work. Read my original post, I was looking for personal experience with X product.
Did you see the link in my post?

Quote:
All exterior glass was polished with Diamondite Glass Polish on Diamondite Glass polishing pads, speed 6 on the Griots. This cleared up the typical wiper trails we see on most German windshields, and brought more clarity to the glass. This also helps prepare for the coming Aquapel application to the windshield and mirrors. All other glass was sealed with our LSP.

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Old 06-25-2010, 02:27 PM   #20
pMak26
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spencers: Yes I did, thank you for that. I am going to use another recommended product (cerium oxide slurry) to try and remove the deeper scratches first. I expect a somewhat cloudy windshield after this and will probably use your link with your suggested Diamondite Glass Polish to restore clarity. I'll see how severely clouded the windshield is first and decide if its worth it.

Thank man!
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