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Front brakes

Abi Jan 3, 2020

  1. Abi

    Abi Active Member

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    I have a n/s/f brake binding ever so slightly, you can see the extra brake dust on the n/s wheel. Going to clean and grease the calliper and slider bolts but can’t remember what tool is req for the slider bolts? I borrowed one previously when I fitted new pads, time to buy one. What size are they? Are they 7mm? [​IMG][​IMG]


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  3. Retroman

    Retroman Audi A3 2010 Sportback 2.0 TDI 170 (CBBB engine)

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    Yep 7mm hex key. Wire wool off the black carbon stuck to the 2cm section close to the thread.
     
  4. Nessy

    Nessy VW + Audi mad

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    In my experience , sticky brakes like that are due to sticking/rusted pistons in the callipers , rather than rusty sliders.
    You might as well try cleaning the sliders first as all it will cost is bit of elbow grease..
    If I were you though I’d be prepared to buy a replacement caliper before too long.....,
    You’re lucky , the first I knew of a sticking calliper on my NSF was a strong smell of friction material .
    It ****** a set of fairly new pads.
    And yes it’s a 7mm hex head bit /allen key to undo the calliper sliding pins .
     
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  5. Nessy

    Nessy VW + Audi mad

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    I don’t know why the word c o o k e d got censored, LOL
     
  6. Abi

    Abi Active Member

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    Thought it was 7mm. I’m prepared to buy a new calliper if needed as I have smelt the pads getting hot from time to time, will clean and grease the slider bolts first.
    Thank you


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  7. prt57

    prt57 Well-Known Member

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    Aswell as the slider bolts give the calliper and pads a really good clean out at the top and the bottom and then carefully lubricate with some copper grease before reassembly.
    You may find the pads have worn down lots more than the other side and so a new set both sides may be appropriate. If one calliper is sticking it is probably only a matter of time before the other one joins in.
     
  8. John Lang

    John Lang Member

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    I've had some decent success rebuilding callipers using repair kits (including pistons) from BigRed - google them. As above, best do both sides while you're at it.
    They are very quick to post out:
    http://www.biggred.co.uk
     
  9. SootySport

    SootySport Well-Known Member Team Silver

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    I would remove the pads and callipers then the piston dust covers. If their are any signs of water or rust on the piston lips it’s time for new callipers unless your ok just changing the pistons.
    Parts from Big Red as above.
     
  10. Abi

    Abi Active Member

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    Calliper overall isn’t a problem for me, did both my front motorcycle callipers and the pistons were apparently the size of a 10p in diameter and there was 8 to do.


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  11. paddy

    paddy Well-Known Member Team Ibis Audi S3 Black Edition DSG

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  13. Abi

    Abi Active Member

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    Just an update folks::
    Thoroughly cleaned and greased both my front brakes a few weeks ago and have since driven around 600 miles with no more problem’s,
    so before thinking the worst, do the basics first then take things from there!


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