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70 Challenger Power brake under dash linkage bolt wanted

Brakes

  1. MarksMopar1

    MarksMopar1 Well-Known Member

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    Aug 28, 2018
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    Hi,
    My 70 Challenger was disassembled by the previous owner.
    The power brake linkage under the dash, I am missing the long bolt and spacer for the lower linkage mount.
    What can be used in its place or is this bolt specific for this application?
    Anyone have one for sale? In the attached picture it is the lower bolt with the nut attached.
    This is the one I need, spacer as well.
    Thanks

    70 Challenger brake booster 3.jpg
     
  2. RJH

    RJH Active Member

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    Hi Mark . Is the spacer not part of the lever system. the spacer has a plastic bushing. I just removed my lower bolt . It looks like a 3/8" x 4"bolt. There is a .035 step at the head of the bolt which I believe is normal, how ever the shank of the bolt measures .340" which is less than a standard bolt. The reduced shank diameter is probably done to prevent the bolt and lever assembly from seizing up from rust. I would if you have access to a lathe is to turn a grade 5 bolt to match a proper bolt. DSCN2394.JPG
     
  3. MarksMopar1

    MarksMopar1 Well-Known Member

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    RJH..
    I looked again at the linkage, yes you are correct, the spacer is part of the lever system, bushings as well installed. For some reason I am missing this bolt, the troubles with inheriting someone else project. Thank you for the picture, I now know what it looks like! I can search or make one... Appreciated!
     
  4. doubleyellow

    doubleyellow Well-Known Member

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    If you are also missing the nut, be sure to use a replacement tri-lobe lock nut........Safety First !!......