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Author Topic: HOW TO: Change rear brake pads  (Read 21267 times)

Offline Nibor

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Re: HOW TO: Change rear brake pads
« Reply #15 on: September 20, 2012, 08:00:08 pm »
Do a write up for replacing the disks too  :whistle:

I feel confident I could replace the pads quite easily following your guide, my brothers done it before on his old Focus and I helped out with that, so already had a rough idea on how to do this, but a very simple guide indeed, I'd need to get a rewind tool first, as ours has mysteriously vanished over the years

I'm needing to replace my rear disks and pads, fronts have a good bit left in both pads and disks but was considering swapping to the TMC kit thats on par with the esseesse kit, although selling on would mean non esseesse disks which could depreciate value, but I'm sure I'll have my car long enough to go through another set of disks and pads  :thumb:
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    Offline scuderia sitar

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    Re: HOW TO: Change rear brake pads
    « Reply #16 on: October 23, 2012, 08:13:21 am »
    Tried changing my pads at the weekend, but the thickness of pads and disc wouldn't fit in the caliper.  I wound the piston in as far as it would go, but there just wasn't the space to fit the caliper back on.  The new pads are 13mm, but all of the pads I've seen seem to be that thickness, so I must be doing something wrong, but don't know what.  I put the old pads back on OK and they have about 5mm on them.   Anyone else had this problem?  I found the brake pipe was quite short, so there wasn't enough play to fit the caliper straight on, it had to be squeezed on at an angle.  Even if it could go straight, it still wouldn't have fitted over the pads and disc.
    Any idea what I'm doing wrong?
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    Offline lloyd

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    Re: HOW TO: Change rear brake pads
    « Reply #17 on: October 23, 2012, 10:06:04 am »
    theres a little blob of metal on the back of the pad, this has to locate in the cutout of the piston. make sure the piston is turned so that the cutouts are at "quarter to three" the whole lot will then fit together :thumb:

    Offline Delaney

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    Re: HOW TO: Change rear brake pads
    « Reply #18 on: October 24, 2012, 05:01:06 pm »
    Scuderia

    I did this exact job yesterday (one quick point it is a 13mm socket/ratchet that is required for the slider bolts) and if you have got the pads up against the disc when you put the sliding half of the caliper there is space with the piston wound all the way in. The pads can be a bit akward to push in the guide groves but they must be right up against the disc when trying to fit the caliper back on. You will some times think that you have it all square so to speak but you will normally find out when you try and put the second slider bolt back in that it wont go in just wriggle the calper around a bit and it will eventually seat correctly.

    The other question is have you wound the piston all the way in it should have the gone all the way in don't worry it can never go to far it is a machined seat so you should have the rubber seal actually sticking out above the face of the piston which has a raised cross face upon which copperease should be liberally covered with.

    The pads vary a bit from manufacture to manufacture but the Lucas designed pad depth is 13.7mm so it sounds as though the depth of the pad is not an issue.

    Offline Nibor

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    Re: HOW TO: Change rear brake pads
    « Reply #19 on: October 25, 2012, 01:56:31 am »
    Also, for people that dont have a brake rewind tool, you can use any kind of clamp thats big enough, I used a silicone tube gun, without the silicone, and it pushed the piston down easy enough  :whistle:

    Failing that you can try and use brute force to push the piston back, this can work but its an absolute ba*tard to do it, normally you need to put something like a bit of wood across and pull it towards you, previous experience can tell you that this involved a lot of swearing and grunting, but can work if you've no other option and got all the way to the reassembly stage without realizing you had no clamp or brake rewind tool.

    And also, for people thinking of changing rear disks at the same time, you need to remove the whole hub mount, so probably better having a garage do it because theres a lot more work involved to get the whole caliper removed from the disk, all because the allen key bolt at the top is innaccessible without removing the hub... Which has 4 annoying bolts that arent especially easy to reach, so yeah, rear disks is more likely a garage job unless you're up for the hassle it was for me, took about 3 hours for me to get the disks changed, mainly because of how long it took to figure out how to remove it in the first place. Front disks should be easy enough though
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    Offline scuderia sitar

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    Re: HOW TO: Change rear brake pads
    « Reply #20 on: October 25, 2012, 09:59:00 am »
    Thanks for all the help and advice guys.
    I thought I had wound the piston in as far as it would go, but perhaps not, as it was still sticking out beyond the rubber seal after I'd wound it in.  I'll give it another go and let you know how I get on.  One question though, does it need to be wound, or can it just be pushed/levered back?
    Also discovered the slider bolts are 13mm, not 10mm.
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    Offline lloyd

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    Re: HOW TO: Change rear brake pads
    « Reply #21 on: October 25, 2012, 11:18:55 am »
    the fronts will just  push in but i've found the rears need to be turned as you push :thumb:

    Offline pete_88

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    Re: HOW TO: Change rear brake pads
    « Reply #22 on: October 26, 2012, 12:24:11 pm »
    Good effort, although i just paid my local Italian specialists independent £45 and they supplied and fitted some new rear pads!  :thumb:
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    Offline LeCreme

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    Re: HOW TO: Change rear brake pads
    « Reply #23 on: August 15, 2013, 06:10:57 pm »
    Just followed guide thank you. Didn't replace with new pads though, just stripped and cleaned everything up for now. Will probably look at new back discs and pads (and maybe front) come end of the month.
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    Offline Ricey155

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    Re: HOW TO: Change rear brake pads
    « Reply #24 on: January 04, 2015, 11:40:50 am »
    Need to sort my rears out

    Where did you get the caliper wind in tool from ? And how much are they ? Cheers

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    Offline Ricey155

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    Re: HOW TO: Change rear brake pads
    « Reply #25 on: January 04, 2015, 12:11:25 pm »
    Is it ???

    Laser caliper rewind cube 5541 by any chance ?  :thumb:

    Always buy the right tool before you start any job  ;D
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    Offline R34

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    Re: HOW TO: Change rear brake pads
    « Reply #26 on: January 05, 2015, 08:03:19 am »
    Can get the rewind tool off amazon or ebay
    Or any good auto shop  :thumb:
    And must say thank you for taking the time to do the Wright up
    With pics I must pull my finger out and take pics next time I do a job on car

    Offline Ricey155

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    Re: HOW TO: Change rear brake pads
    « Reply #27 on: January 05, 2015, 10:58:14 am »
    No issue where to get the tool just making sure its the same ITEM !!!!

    I've ordered it anyhows it looks the same, half by rear pad has just vanished on the drivers side very weird !
    Tool £5.95 off eBaY free post bargain (another item for the tool shed)

     :thumb:
    Can get the rewind tool off amazon or ebay
    Or any good auto shop  :thumb:
    And must say thank you for taking the time to do the Wright up
    With pics I must pull my finger out and take pics next time I do a job on car
    Sold my 59 plate after 8 years 9 months (Aug 2018) £5500
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    Offline JapspeedUK

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    Re: HOW TO: Change rear brake pads
    « Reply #28 on: March 02, 2020, 03:28:37 pm »
    a quick one for when things go wrong lol!!

    So i'm doing pads and discs, crappy job as more involved Inc removing entire hub, but I'm at the point of my slider pins, one is stuck firm and will not come out just spins, I've beat it to death and not shifting, sure I've an issue as inside disc face is a mess, so trying to free it all up, any advice other than buy a new caliper??