Disc brake piston tool
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  1. #1
    1000+ Posts Wildebeest's Avatar
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    Default Disc brake piston tool

    Anyone out there have the measurements of the Peugeot tool required to rotate the rear disc piston [504]?
    I made one years ago, loaned it out to a friend years ago, funny, it was never returned. [Lesson * 2]
    The tool allowed for the correct amount to rotate piston [45 deg] without guesswork.
    I think the tool dimensions were shown in a 504 manual?

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  2. #2
    1000+ Posts Peter Chisholm's Avatar
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    I've always just used a largish screwdriver of the right size. Can slip a bit but works well.

  3. #3
    1000+ Posts Wildebeest's Avatar
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    Thanks Peter,
    I knew someone out there would be brandishing their large screwdriver.
    Oh, I can't get the charcoal for my forge so it rules out fettling one .
    Last edited by Wildebeest; 25th May 2019 at 02:22 PM. Reason: dotting the T's

  4. #4
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    I always use a flat screw driver too .I don't know what size but is one I use most often as a screwdriver

  5. #5
    1000+ Posts driven's Avatar
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    Screwdrivers, the Bush Mechanics first tool of choice

  6. #6
    1000+ Posts Beano's Avatar
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    There is a bit of leeway in the 45 degrees, so special tool not that necessary..

    In the 1980s, I found that the perfect width was my points file, but I couldn't always put that much pressure on it.


    Quote Originally Posted by driven View Post
    Screwdrivers, the Bush Mechanics first tool of choice
    And the small vise grips....

  7. #7
    Fellow Frogger!
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    I had a piece of 8mm suare tool steel to fit the slot . T I then could fit a spanner to it and rotate easily

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