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Brake Cylinder Paste Source

Discussion in 'Technical Q&A' started by bill308, May 28, 2013.

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  1. bill308

    bill308 Formula 3
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    #1 bill308, May 28, 2013
    The first step in the ATE brake caliper assembly instructions is to coat the bore, piston and seal with ATE brake cylinder paste (Bremszylinder-Paste) part number 03.9902-0501.2.

    This assembly paste is described as a brake preservative with a corrosion inhibitor, seal preserver, and presumably a lubricant. I believe this is what the factory uses for new builds.

    After several days of trying, I've been unable to find a source for this material. T. Rutlands lists it as BCP, but doesn't have any stock. I also tried the local Porsche, Audi, and BMW dealers without luck. BMW had a part number 83199407854 that appears to be the same stuff but it is apparently no longer available.

    Does anybody know of a USA or European source that will mail/ship a tube?

    Thanks,
    Bill
     
  2. hans2

    hans2 Karting
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    #2 hans2, May 29, 2013
    If necessary ordinary brake fluid can be used instead of the paste for this purpose.
     
  3. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ
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    #3 Steve Magnusson, May 29, 2013
  4. bill308

    bill308 Formula 3
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    #4 bill308, May 29, 2013
    Thanks guys.

    Steve that was an excellent video. It looks like Eric uses a Permatex assembly lube product although I don't recall him actually identifying it. He uses it for both mechanical and hrdraulic applications.

    My emails to ATE and ATE-NA were successful. One of them asked company owner Rainer
    Wittich to contact me and he did.

    His stocking, Brinson Company is in New Orleans.

    See brinsonco.com/

    The $15 price is great for probably a life time supply.

    Pity a catchup sized packet isn't included with every rebuild kit.

    I expect shipping for 1-tube, for delivery in CT by Friday, will cost maybe $20?

    Bill
     
  5. finnerty

    finnerty F1 World Champ

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    #5 finnerty, May 29, 2013
    BILL ---

    FWIW, the "paste" is only necessary if you do NOT intend to mount and use the calipers soon after assembly. It is applied to act as both a lubricant and corrosion inhibitor for calipers that will be "shelved" for some time before sold / installed --- so it really is not necessary.

    If you just wet all the internal components & seals with the proper brake fluid prior to assembly, and then get them installed and operating on the car within a reasonable timeframe (a couple of weeks), you can avoid the cost / hassle of using the paste.

    The paste really is the baily-wick of the professional re-builder / supplier / OE manufacturer who has a need to keep assembled units in inventory for extended periods of time before they are used.
     
  6. smg2

    smg2 F1 World Champ
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    #6 smg2, May 29, 2013
    I use molykote 111, translucent grease for seals and bores.
     
  7. bill308

    bill308 Formula 3
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    #7 bill308, May 29, 2013
    Thanks guys.

    Finnerty makes a good point about the lube's purpose is primarily for storage protection. Without knowing more about the lube properties, and indeed the calper's internal materials like seals, it's hard to judge what is the correct thing to do and also importantly, why.

    I guess the bottom line is do no harm. Use of all ATA products would presumably ensure campatibility at all levels. I find it helpful to alternate their amber and blue brake fluids when flushing.

    At the very least, I hope it aids the assembly process and I hope it prolongs seal life and inhibits corrosion in the caliper bore. I'm fitting new SS pistons, so they should be good to go.

    Bill
     
  8. smg2

    smg2 F1 World Champ
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    #8 smg2, May 29, 2013
    cool,
    just for future people looking, molykote 111 is designed for just what you were asking.
     

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