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Seca 750 brake fluid?

Discussion in 'XJ Technical Chat' started by Evan Hawtrey, Jan 22, 2018.

  1. Evan Hawtrey

    Evan Hawtrey Member

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    Anyone know off the top of their head what I need?
     
    Evan Hawtrey, Jan 22, 2018
    #1
  2. hogfiddles

    hogfiddles XJ-Wizard, Host-Central NY Carb Clinic Moderator Premium Member

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    DOT3 or DOT 4. 5.1 is also ok, though I have no experience with it, and I use DOT 3 or DOT4, primarily DOT3
     
    hogfiddles, Jan 22, 2018
    #2
  3. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    The differences are mainly juts about the boiling temperature, with larger numbers denoting higher boiling temp (there are other differences, but those a minor in comparison). Whatever you choose, stay away fom DOT 5 (which is different from 5.1). 5 is silicone based, and not compatable. Even with a full rebuild and a good flush DOT 5 is not a good match for street use IMO.
     
    Last edited: Jan 22, 2018
    k-moe, Jan 22, 2018
    #3
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  4. hogfiddles

    hogfiddles XJ-Wizard, Host-Central NY Carb Clinic Moderator Premium Member

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    Correct..... That's why 5 was not on my list
     
    hogfiddles, Jan 22, 2018
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  5. Toomanybikes

    Toomanybikes Well-Known Member

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    The other big difference is dot 3 and 4 absorb water. Silicon based dot 5 will absorb air
     
    Toomanybikes, Jan 22, 2018
    #5
  6. Evan Hawtrey

    Evan Hawtrey Member

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    I have a secs 750 that is at my warehouse 30 mins away.. the brake reservoir is behind headlight. Anyone know by chance what tools I’d need to poor top off? I can’t recall.. just wanna make sure I have what I need
     
    Evan Hawtrey, Jan 25, 2018
    #6

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