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Technical Dot 3 and fresh paint

Discussion in 'The Hokey Ass Message Board' started by scotty t, Jun 27, 2021.

  1. I just used a power (pressurized) brake bleeder on my 56 with fresh bc/cc paint and it was a scary endeavor! Pressurized paint eating fluid! Then my buddy told me that it doesn’t eat clear coat as bad as older paint unless it sits on it for some time. Anybody have any experience with this?
     
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  2. squirrel
    Joined: Sep 23, 2004
    Posts: 60,032

    squirrel
    Member

    I've found that catalyzed paint is much more resistant to the effects of brake fluid, than non catalyzed paint.
     
  3. harpo1313
    Joined: Jan 4, 2008
    Posts: 2,589

    harpo1313
    Member
    from wareham,ma

    Just dont let your guard down.
     
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  4. Doublepumper
    Joined: Jun 26, 2016
    Posts: 1,844

    Doublepumper
    Member
    from OR-WA, USA

    Nasty stuff. I clean it up immediately if it gets on anything...then worry that I missed a spot.
    Vacuum bleeding sure has it's benefits, in this regard.
     
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  5. I had a blanket over the fender with a contractor trash bag over that and a bag on the fire wall. It’s those spots that you don’t notice that make me nervous! I stripped everything off and rinsed with water when done but it was still nerve wracking since this is my nicest paint job yet. I have another car in the works with a nicer paint job but it’s got dot 5 in it.
     
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  6. 427 sleeper
    Joined: Mar 8, 2017
    Posts: 3,369

    427 sleeper
    ALLIANCE MEMBER

    I don't know about you Scotty, but nothing pisses me off more than seeing wrinkled up paint on my firewall under the master cylinder! :mad: Just for piece of mind, I think I'd pull the master off and clean everything REAL good. As squirrel says, the catalyzed paint is more resistant to brake fluid, but not impervious to it. You'll probably sleep better tonight too! ;)
     
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  7. I rinsed and wiped then closed the hood! At this point any little thing could side track this project:D
     
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  8. oldiron 440
    Joined: Dec 12, 2018
    Posts: 4,075

    oldiron 440
    Member

    I've seen it mess up powder cote, not lift but stain.
     
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  9. saltflats
    Joined: Aug 14, 2007
    Posts: 13,632

    saltflats
    Member
    from Missouri

    Wash it off with plenty of water no mater what the paint.
     
  10. lake_harley
    Joined: Jun 4, 2017
    Posts: 2,452

    lake_harley
    Member

    DOT5 Fluid, but everything else has to be flushed out completely since DOT5 doesn't play nice with other fluid types. But, I do understand you weren't asking for options.

    Lynn
     
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  11. This car already had dot 3 and due to a head up *** mounting of the line lock solenoid i thought it was best to push the fluid thru. There was no “accident” but it still made me nervous.
     
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  12. hemihotrod66
    Joined: May 5, 2019
    Posts: 968

    hemihotrod66
    Member

    Don't have this problem with mechanical brakes....LOL....
     
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  13. A Boner
    Joined: Dec 25, 2004
    Posts: 8,162

    A Boner
    Member

    A mechanical brake system won’t take a **** even after 20 years sitting in a barn!
     
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  14. As has been stated, wash of with plenty of water. All except dot 5 is hygroscopic. Not only does it **** water, it is water soluble.
     
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  15. jimmy six
    Joined: Mar 21, 2006
    Posts: 17,145

    jimmy six
    ALLIANCE MEMBER

    To some Dot 5 is not the “end all cure all” If I catch it immediately Dot 3 has not left a mark/stain on my firewall/backing plates/calipers etc.
     
    loudbang likes this.

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