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I've bought a VW with 170,000 miles on it. Sweet engine, good bodywork, new-looking interior but it definitely has a 170k windscreen. I cleaned it and cleaned it thinking it was stubborn dirt/sap, and my heart sank a little when it dawned on me that it was thousands of tiny chips and scratches. All signs point to a new windscreen, but it's hard to spend such a lot of money for something that's only a problem when driving toward the low sun.

Just ran across this problem within month or 2 since last drain my can filled up and clogged pvc lines into intake

You won't be able to get rid of pits, you need to sand to remove some glass material with the sander so that the outer glass surface reaches the depth of the pits. Cerium oxide polish won't help you get rid of pits. It's like taking a sponge bath thinking you will get cleaned up as a shower bath.

imagine thinking you can polish glass at home. Love the commenters claiming otherwise

I’m trying to fix my 15 yrs old Windshield came across Cerium and saw your video. I’ll skip it I guess. Thanks for the video. By the way, were you able to fix it by any way? Mine has a lot of scratches and it’s quite blurry at night. The lights spread haphazardly all over. Quite disturbing!

What about catch can froz in winter?

Hey man, I just got one of these transavers and when I move it around. I can hear something rolling inside. Is that normal ?

You just use your hand?

You need to shake that stuff up before you pour. It’s to clear

What a waste of time

i know you know this, but glass pitted that much will require a significant amount of surface removal to diminish the pitting to zero. the windshield would be less than oem thickness, which is a concern. because of that, and not being an expert, i'd just replace the pitted windshield, and lovingly tell my wife to not drive in a sandstorm if she didn't have to. visibility is compromised, as well, like with fog or heavy rain, so driving regular speeds is pretty much a no-no. now, you have a dangerous piece of glass windshield that will sparkle up at sunrise/sunset, keeping you from safely viewing the road as you drive.

There are polishes that have the white cerium oxide in them. I used one on my vehicle and it stripped away all of the rain repellants. I didn't even have to use a polisher for this since the windshield is in good condition. If you want that new feel that it has when it left the factory a polish with cerium oxide in it will do that for you. I am not here to promote any product so I am not going to say which one I used. I imagine there must be dozens of polishes that are similar to it anyhow. I can't tell if any work better since I have only tried one brand but I imagine that a more aggressive polish would be for neglected swirly windshields that are ugly and glary at the same time (also unsafe).

How to remove scratches th-cam.com/video/O6_3JEjNeEw/w-d-xo.html

cerium oxide is very fine polishing. Pitting is too deep. You need to take sandpaper to that stuff before bothering with cerium oxide.

I'm late to the party but cerium isn't coarse enough to remove enough glass to make the surface flat. If you started with a heavier grit to flatten the surface and worked your way up to cerium ox,,,more than likely looking through the windshield would be wavy.

See this was posted 4 years ago. Over time did the milage improve? Project Farm did an extreme test of MotorKote 6 years ago. He said the company said the only way to remove is by sanding it off. I wonder if the recommendation to retreat after every other oil change is just to increase sales?

I thought when you lower that nut it makes it looser softer. And when you raise the nut it stiffens it. Unless my shock on this bike i just bought is blown out. The nut is all the way down and i can just push on the seat and it goes all the way down soooo soft!!!

Thanks for the vid. I was looking for proof that it works but im happy to know it doesnt and I wont waste my time. What others have said about sand paper and heat i dont think Ican botherdd with all that.

Pro Tip from professional detailer. Use a felt pad, you are using a foam pad, that is too soft of a pad for anything. Also the pits might be too deep to be polished out anyway. Might just be better off using comprehensive insurance to replace the glass

dual action sander with a really fine grit, 2k or higher, to get the pits out, then use cerium oxide to polish it.

But those are chips, I don’t think it is supposed to remove anything that aggressive… i bought it for very aggressive watermarks. I hope it will work. If anyone is interested leave a comment in like a month or so because I don’t know how soon I’ll actually do it…

I like your experiment and the results. Along with the yearly savings you calculated, you also saved a bunch of internal wear and tear on your engine ... which might be more valuable than your calculated savings..... in the long run.

It’s a good experiment though !

No just for s**** and giggles, if you have wheel hubs for your wheel bearings Get to them, remove the ABS sensor, squirt some motorkote in, and also add to your rear differential depending what you're driving. Your wheel bearing is your first friction point from the ground to your car, so we have proof of concept that removing friction in the engine itself and transmission will increase your fuel mileage. I'm wondering if you also treat your wheel bearings How much fuel mileage increase you'll get because the initial friction is in your wheel bearings.

Thanks for this video, I have to replace all my windows except the rear in my 2018 Camry, paint and headlights are ruined also. Damn sand.

Some insurance companies will cover the cost of windshield replacement without a claim or deductible, it can be replaced quickly and easily in your driveway or workplace if there is a chip or crack. I would check into that as well.

Good video!

Used cerum oxide got the big scratch barely visible but got lots of swirl marks even after polishing with autoglym glass polish any ideas what steps to do next?

Aluminium oxide cuts harder I think

so you're saying this milky color is normal for winter?

Mine is similiar. Not as bad but maybe 50% there. I think mine is due to ice, since i bought my car from canada. What did you end up doing?

That cerium oxide is only good for removing calcium deposits. For that windshield first you need to sand it with different diamond pads( from ~500 to 1000-1500) and after that the polish

You would have removed the pits eventually. it would just have taken a LONNGG TIME. I'm talking hours of polishing a single area. You should have started with a more aggressive glass cutting compound and then finish off with the cerium oxide polishing compound once you got rid of the pits. Oh and it's a good idea to cover the paint around the windshield since you're working with an abrasive.

Unfortunately, the lubricant is chlorine. Various acidic and it starts to pit and corrode the metal. Especially the aluminum starts to degrade very rapidly doing oil analysis and see for yourself. The corrosion is a slow process, but a permanent one unfortunately

So 3 years Later, How Do You Feel About This Product?

How was the continued MPG test ?

Sad to see you didn't succeed, but thanks for showing everyone the reality 😊.

in that case, I usually use a sharp razor and a clay bar in order to descontaminate the windshield after polishing with cerium oxide. The success depends on being patient and hard working.

Pro tip here. I assure you that you can remove the pits. But will it be cost affective to do so apposed to just replacing the windscreen? What you have to do is find out roughly how deep the pits are in microns by the way there is 25,400 microns per inch. Then you will have to use a course abrasive pad and water only as lubrication. Run the entire pitted area and the glass will turn very hazy during this phase. never let the glass get above 200*f degrees . like to maintain between 150*-175* by cooling with water in a spray bottle. Then the next step is to a fine abrasive pad and water. Over run the first area by 2 or 3 inches if possible to avoid noticing ridges on the finished glass but in your case you will be doing the entire windscreen anyhow. The heavy hazy will turn a lot lighter with each abrasive step . The next step is to use a very fine abrasive pad with water only in this step the haze will be very fine. Now in the 2nd phase you use the cerium oxide to polish. If mixing the power I like to see it as thick as yogurt. In this phase the glass heats up quickly still maintain the 150*-175*f ish temperature. This phase will turn the glass crystal clear. It would take me several hours and cost around $100.00 for supplies. It's not really worth doing but it can be done!

That's low quality cerium. But even if it was pure, it wouldn't be able to fix the problem in the video. It can also make one hell of a mess if you don't contain the product and mask the car.

Dang i better get a catch can for the winter AsAp

1 are you a chemical Lubrication engineer no your not 2 motorkote is s additive and they are about selling their additive they dont care if you know how to correctly blend your additive package to maintain your oils top performance. 3 infact i can guarantee youve destoryed your oils ability to neutralize acids, dispersants and detergents failure, and the life of your oil destroyed. Ergo your engine isn't getting the best protection. 4 STOP PLAYING OIL FORMULATOR WHEN YOUR NOT YOU WANT PROVEN TOP PROTECTION, LUBRICITY, FUEL MILEAGE AND A 1YEAR 25,000 MILE OCI? AMSOIL SIGNATURE SERIES OIL THAT COMES WITH A GUARANTEE THEY WILL REPLACE YOUR ENGINE IF THERE OIL DESTROYS YOUR ENGINE NO OTHER OIL COMPANY GOES TO THAT LENGTH. YOU WANT THE BEST GIVE YOUR VEHICLE THE BEST AND STOP MONKEING AROUND AMSOIL SIGNATURE SERIES.

First off you should have used a corded drill, and an actual rayon glass polishing pad. Your results would have been significantly better

I heard clay bars do the trick.

شكراً لك 👍🏽

What is better?

Grateful for your video, though. I need to watch my dollars, so thank you!!

Good video and effort. Sadly, I have the same problem and will end up replacing the windsheild.

It's only for optical micro scratch, not for nail scratch.

yup those ‘stars’ are hard to impossible to remove and worst part is the cerium oxide will clog them up leaving an uglier visual mess … i know coz ive done it … it was a mess of an attempt … so ive left with two choices … replace the windshield or live with it … i chose the latter … have a nice day bro.