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How to Fix: Rust Bubble Under Paint from a Rock Chip Around WIndshield

This all started with a stone chip in the paint and overtime, the exposed metal rusted and has bubbled beneath the surrounding paint. This is what happens if rock chips are left alone, so cover up chips with touch up paint as soon as you see them.
This chip got really bad and the rust has spread, causing the surrounding paint to bubble. Today I’ll strip it down, fill the pitted areas with body filler and prime & paint the repair area to blend in with the original OEM paint on the rest of the roof.

Here’s a list of products that I used:
• Wax & Grease Remover: https://amzn.to/3e36vQr
• Blue shop towels
• Q-tips
• Wire wheel brush set: https://amzn.to/383G5Kt
• Automotive masking tape (wide): https://amzn.to/2PkGTE6
• Body filler, hardener: https://amzn.to/2Oc64Ix
• Mixing board: https://amzn.to/3qhB1sk
• Spreader: https://amzn.to/3kLZVyX
• Dura-Block sanding block: https://amzn.to/3sIbCth
• Sand paper variety pack: https://amzn.to/2NNsPmr
• Spot putty: https://amzn.to/3sJh4fA
• Duplicolor self etching primer: https://amzn.to/308pH7a
• Duplicolor filler primer: https://amzn.to/3dXe0Iy
• Duplicolor Perfect Match paint
• Duplicolor Lacquer Clear Coat: https://amzn.to/3qb8cgT
• Tack Cloth: https://amzn.to/383o52Q
• Orbital buffer 10″: https://amzn.to/303HufA
• Terry cloth pad set 10″: https://amzn.to/3uRvcF8
• Meguiars light cutting compound/polish: https://amzn.to/3cb6XcT

Since making this video, I have found better Clear coat options:
Spraymax 2k Gloss: https://amzn.to/43KbyMK
Duplicolor 1K Gloss: https://amzn.to/3UKXheM
Duplicolor 1K Matte: https://amzn.to/3A5i6rY

-More How-to videos of this 2009 Toyota Camry-

How to repair/paint a scratched plastic bumper: https://youtu.be/WdPADUGqSxE

How to paint a replacement fender to match vehicle:

How to replace a front fender:

Leaking transmission fluid from radiator:

How to Replace a radiator:

More Paint & Body videos:
How to: Professional results painting in residential garage: https://youtu.be/2dJj15N_TC8

How to: Prepare plastic bumper for painting: https://youtu.be/VYIpBFJMjis

How to: Prepare metal body panels for painting: https://youtu.be/A70ow4VsSfY

I don’t have Patreon or ask for donations but you can support the channel with some rad gear from my store: http://6thgeargarage.net/merchandise/

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Instagram: 6th_gear



  1. Great video for a simple quick clean up of a spot as you said it is a quick for a simple fix not a masterpiece show car.

    I'm sure if you wanted you could have put a rust converter over the bare then some self etching primer body filler then the other. But then you would have had to call it more than a simple repair LOL great job Toyota would be proud keeping another great vehicle lasting longer

  2. Can ACETONE be used in place of the Wax/Grease Remover?

  3. How soon after doing a repair like this can i wash my car?

  4. Got my mot next week thanks mush

  5. Hey man your videos are awesome, you gotta ask for people to sub to your channel, as petty as it seems it may get your sub count up. It isnt right that you have these high quality vids with a ton of views but hardly any subs

  6. I have a question regarding painting. While I was trying to sand the surface using 1000 grit sandpaper after the clear coat, the paint inside the clear coat has been removed (maybe because I over sanded), so it looks like white on that spot. The surface is smooth and I wonder how to make this white spot back to normal. I have a liquid type paint but I don't think it will work because if I paint that white spot using this paint, I have to sand it using sandpaper and in the end the paint will be removed. So, what I', thinking is using the spray type paint like your video because the surface now is already smooth and like in your video there is no need to sand the surface after spraying the paint. Is it ok to use the spray type paint on that spot and then buff it? I have a liquid type clear coat but I'm not thinking of using it after the paint since this clear coat makes the surface not smooth and in the end I have to sand it using sandpaper again. Please let me know your opinion. Thank you in advance.

  7. How did you stop the clear coat turning opaque when you over sprayed it on the existing.

  8. awesome work done.. i learned alot.

  9. You did what I would typically do but 2 years later the moisture creeps through the filler and the bubbles are back again… I would suggest trying a rust inhibitor before the filler step. Or maybe I have had just a bit of bad luck? How's your repair holding up 4 years later?

  10. How long did you let that clear harden?

  11. Thanks, this helps me a lot I have a similar two spots on roof

  12. Why am I already subscribed here I was thinking?? Then I saw all the Toyota's 😆

  13. Can you use several layers of primer and paint to fill up pittings?

  14. I'm not a fan of rust converters unless they are phosphoric acid based as all they do is convert the rust on the surface and dont do much to treat the underlying rust (dont believe me? just scratch a piece thats been rust converted, itll probably still have rusty red texture where you've scratched it off.)
    In a spot like this, I like to get a lint free paper towel or rag that is strong, and cut a little square out of it, then put the square over the rusty part. Then barely soak the rag with either phosphoric acid or citric acid (or even better evaporust) so that it doesnt drip. Then cover the rag with saran wrap to stop it drying out so fast. Let it sit for a few hours or even day. This will dissolve and remove the rust, rather than just converting it. Then brush/ scrub / wire wheel the crap off. Repeat as necessary. This works good because it gets down into the rust thats sat in the bottom of pitting that wire wheeling cant get into.

    You did nothing to treat the rusty parts in this video, so it will more than likely resurface rusty again in a few years. Otherwise good technique tho

  15. Через пол года: "Всё хуйня, Миша, давай по-новой!"

  16. great video . Thought it was chris fix at first

  17. Use safety glasses with wire brushes on power tools, the metal bristles can fly out and impale your eye.

  18. Really nice video! Love that you really highlighted the steps. Thanks

  19. Just curious, what car was this? I don't hear you say it in the video.

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