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What a PITA the rear brakes are!

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by Mike.M, Aug 14, 2013.

  1. Mike.M
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    Mike.M Well-Known Member

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    I think I am quite a good hands on person when it comes to cars.

    Decided to change the rear discs and pads which I have done on loads of cars but these 8mm hex bolts on the carriers are a PITA to remove.......I failed and had to put it all back together.

    I have read you can turn the hub to a certain position to utilise a notch on the back of the hub mount to slide the disc out so will have another go when I can...........any other ideas welcome
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  2. spartacus68
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    spartacus68 Member

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    Try Irwin bolt extractor. If bolt isn't rounded, them hammer in decent quality allen bit and use extension to lever.
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  3. palfy86
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    palfy86 Member

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    Yeah im with you mike i did these earlier in the year. After some strong words and brute strength i managed to undo the carrier bolts and get the disc off. Bloody hard work mate you have my sympathy pal, :friends:
    #3
  4. quattrojames
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    quattrojames Moderator Staff Member Moderator

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    Beyond a big bar I can't offer any words of wisdom, only reassurance that you're not the only person who has had this problem!
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  5. Mike.M
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    Mike.M Well-Known Member

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    Cheers all.

    Going to give them another go soon and buying a new 1/2" 8mm hex socket to go on my big torque wrench
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  6. Mike_B
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    Mike_B Member

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    Errr - I'm no expert, but surely that won't do a torque wrench much good? Just get a breaker bar and possibly add something like a chunk of scaffold pipe to give even more leverage if necessary.
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  7. gavsman
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    gavsman Member

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    +1 for the irwin bolt extractor.

    Did mine a few years ago & had to use the irwin to get the job done ( only needed to do the top bolt & bash the carrier with a rubber mallet to move it n inch to be able to get the new disc on) & new bolts from Audi were only a couple of quid.
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  8. ricostuart
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    ricostuart Active Member

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    On my B7, I manged to get the old disc out without removing the carrier. Took a few attempts and some hammering, but they were getting replaced anyway. I used them to see if i can put them on again without too much damage. They do go back on, so I put on the new discs with the carrier still in place with 0 damage. They kinda rotate in. Cant explain though, but they can go in and out with the carrier there!
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  9. Mike.M
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    Mike.M Well-Known Member

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    Cheers......will have a look soon, but time is not on my side at the moment.
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  10. Mike.M
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    Mike.M Well-Known Member

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    Ref my torque wrench, it can be put into a breaker bar mode
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  11. Mike_B
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    Mike_B Member

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    Ah! You learn something everyday!
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  12. swarcup
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    swarcup Well-Known Member

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    i did mine a few weeks ago, the discs come out with a wiggle and no need to undo the hex bolts and remove the carriers
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