Brake lines, jus wondering

Discussion in 'suspension & brake,& aerodynamics' started by chromebumpers, Dec 4, 2018.

  1. chromebumpers

    chromebumpers solid fixture here in the forum Staff Member

    I’ve never done it but can you use Teflon tape or some type of thread sealer on the collar nut of hydraulic lines?
     
  2. Maniacmechanic1

    Maniacmechanic1 solid fixture here in the forum

    No Richard.

    It has to Doubled Flared the brake lines or Bubble Flared the Ends.
     
  3. chasracer

    chasracer Member

    As long as it's a double flare you can use Teflon tape for additional sealing. You need to be careful that none of the Teflon tape gets into the actual fluid passage. Teflon paste is a no-no for that reason. Good locations for using the tape are things like a roll control unit, aftermarket disc brake calipers and adjustable proportioning valves.
     
  4. Loves302Chevy

    Loves302Chevy "One test is worth a thousand expert opinions."

    You are not supposed to. And usually the applications that use a flared, double-flared, or compression fitting have pressures far too great for teflon tape to help seal. As far as using something on the collar nut - I use nickel anti-seize. Down the road when I need the fitting to come apart - it does.:D
     
  5. chasracer

    chasracer Member

    "You are not supposed to."

    Please show us something that states that information. I have seen Teflon tape used on professional builds, NASCAR stockers and NHRA Pro Stocks. I understand that it is not required, but again it can be used if you desire. I have never heard or seen the use of anti-seize on brake fittings. Sounds like a good idea.
     
  6. Indycars

    Indycars Administrator Staff Member

    I've always heard that you don't use any kind of sealer on a flared fitting. Why flare the fitting if all you need is a sealer on the threads?

    Do you work on a racing team?

    If you be careful why would it not also be a good idea to use a paste? Just wondering what the difference between Teflon tape and a paste is?
     
  7. Maniacmechanic1

    Maniacmechanic1 solid fixture here in the forum

    Alot of drag racers do it.
    It's not right.
    Problem usually lies in China budget made brake parts.
    Poor machining work.
     
  8. chasracer

    chasracer Member

    Yes, I have been on several racing teams over the years. Currently run my own team of 4 drivers and 6 cars. Anyway - it's nothing but a little extra insurance - not required but again it's okay to do it. I've done it for years after seeing it on a lot of other racing cars.
     
  9. Indycars

    Indycars Administrator Staff Member

    Sounds like you need two more drivers?
     
  10. Loves302Chevy

    Loves302Chevy "One test is worth a thousand expert opinions."

    I forgot where I read it, but it was recently that I saw something that said not to use any sealer with flared fittings because it could prevent the flare-to-flare to properly seal like it is supposed to. My guess would be like you already said - racers do it for extra insurance.
    The anti-seize idea is my own - too many times the nut is corroded to the tubing and the tubing gets twisted when trying to loosen the fitting. It also prevents water, sand, and other road debris especially the ice melter they are using on the roads now that eats everything metal away from getting packed in that space. Since I started doing this trick, the fittings come apart as intended.
     

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