As every bugger else is doing brake related things today.

Discussion in 'UK Motorcycles' started by Moon Badger, Apr 6, 2007.

  1. Moon Badger

    Moon Badger Guest

    I changed the front pads on the Bandit today.

    Took 5 minutes per side. No stuck pins, no stuck pads, no stuck pistons.
    Piece of piss.

    <winds back to when I bought the bike>

    A couple of days after I bought the bike, I removed the calipers and greased
    the pistons, rubber covered ends of the pins and back of the pads. Rubber
    grease for the pins and pistons, copper grease on the rear of the pads and
    tip of the lower pin where it goes in to the other half of the caliper.

    I'll admit to being mildly surprised and annoyed Suzuki neglected to grease
    any part of the calipers.


    <winds forward to today>

    5 mins per side for a pad swap. Not bad. Don't reckon I could knock any time
    off that.

    As an aside, how much labour would a dealership charge for a pad swap on a
    bike with such simple calipers?
     
    Moon Badger, Apr 6, 2007
    #1
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  2. Moon Badger

    frag Guest

    Moon Badger banged the rocks together and they said :
    Seeing as most of them charge by the hour, minimum 1 hour, you should
    be asking how many brake changes can they fit in one hour and charge
    'n' hours for one physical hour of labour?
     
    frag, Apr 6, 2007
    #2
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  3. Moon Badger

    Moon Badger Guest

    What I -should- have written is something along the lines of..

    'Has anyone had a dealer do the front pads on a post 2000 Bandit?, if so,
    how much overall, and what was the labour component'

    I rang one local dealership and they reckoned on about £75, which given
    their overheads etc etc, I thought was reasonable for a half hour job inc
    parts.
     
    Moon Badger, Apr 6, 2007
    #3
  4. Moon Badger

    Nige Guest

    Me too!!!

    --
    'Chill Winston.......'

    Nige

    Subaru WRX (54)
    Land Rover Discovery II (2001)
    BMW GS1200 (2007)
    Honda CBR900RR Fireblade (1997)
     
    Nige, Apr 6, 2007
    #4
  5. Moon Badger

    Molly Guest

    Changed front brake pads on my little Clio, it was a bugger.
     
    Molly, Apr 6, 2007
    #5
  6. Moon Badger

    Pip Guest

    Don't be surprised when you have to tackle the other end of the bike,
    Suzuki's design team excels at unbelievably ridiculous ideas when it
    comes to retaining rear pads. A mild steel headless pin passed
    through an alloy caliper, through two pads and into a blind hole in
    said alloy caliper is not going to remove easily.

    The situation is not improved by the only access to the pins being in
    the gap between the pads which is never wide enough for a Mole grip,
    and is positively exacerbated by the dissimilar metal corrosion being
    aided by all the road shite in the world going over the pins and held
    in situ by the poxy plastic cover. All this on an underslung caliper
    that is barely six inches off the deck on a good day.

    The only way is to take a drill and pop a 4mm hole through the caliper
    casting at the end of the blind pin passage. Take a tapered punch,
    wedge the caliper in the Workmate and HIT the fucker once you've got
    it good and hot. Remember to change to a parallel punch ffs, once the
    pin gets under way, or a whole new world of pain is discovered.

    I had to split the caliper anyway, as the dust seal grooves had picked
    up sufficient shite to pop the seals out into daylight. I was unable
    to pull/push/lever or persuade the caliper halves apart as the pins
    were welded in so tightly.

    I did find the ideal way to remove the wedged-in pistons, though.
    Take the caliper half, together with its stuckfast piston to the wood
    lathe. Locate the inside of the piston over the chuck jaws and wind
    the jaws out until firmly seated. A good firm twist and pull on the
    caliper and the piston comes free - so does a quantity of smelly brake
    fluid, but that doesn't really matter.

    Three days(1) and counting ... rebuild tomorrow.


    1. Prolly something like six hours continuous, TBH. Still bloody
    ridiculous for a five minute job.
     
    Pip, Apr 7, 2007
    #6
  7. Moon Badger

    Moon Badger Guest

    I've already done the rear pads. The rear caliper on the ABS model is
    ( thankfully ) not the stock 'seize-O-matic'

    It's actually almost Hondaesque, with a Suzuki twist[1]. Undo a threaded
    plug, then unscrew the rear pin. The caliper then releases the rear of the
    pads and hinges slightly upwards to allow you to change the pads.

    Oh yes. Aside from the underslung bit. We have a number of GS500s at work.
    Same caliper as the one used on the rear of the older 600f, ie, an
    overslung version of the above.

    BTDT.

    It does make later work a breeze though. I carry a small stock of pins at
    work. When I have to replace the rear pads on one of the 500s, and copper
    grease has failed me, I just split the caliper, bend the pin up 90 degrees
    and work it out gradually that way. I consider the pins sacrificial as well
    as being a challenge.
    BTDT. But only once have I had one seize in the open hole.


    I do like the wood lathe idea. I'll lodge that one in the back brain for
    future use. I have clamped the piston in the edge of a vice and used a pair
    of tyre levers to get the caliper half off. It trashes the piston though.

    Utterly ridiculous design compounded by Suzukis aversion to using SS pins
    with a tiny dob of copper grease on the 'blind' end.

    [1]In typical fashion, in order to increase the amount of unnecessary
    frustration, Suzuki have made it next to impossible to unscrew the blanking
    plug. Insufficient clearance to get a chubby screwdriver in. Insufficient
    clearance to get a rachet driver and bit in, so I end up with the bit held
    in the jaws of a pair of pliers. Undo the outer plug to gain access to the
    pin and Lo!, as you undo the bloody pin, your Allen key contacts the
    exhaust with still threads remaining. So, begin loosening it with the Allen
    key, then switch to a ratchet bit held with pliers. It will be too stiff to
    turn with just fingers.
     
    Moon Badger, Apr 7, 2007
    #7
  8. Moon Badger

    Pip Luscher Guest

    This is why there's a shiny new pair of pads and pins for the TL
    sitting in a box. They've been sitting there for over a year, now. I
    think they like it there.

    I did have a cunning plan (well, two cunning plans) to deal with the
    problem. One involved grinding flats on the pins and putting spanner
    onto them to twist them free, the other involved selling the bike
    while the pads still have an ounce of life left in them.

    Ther is now a third option, thanks for that.
     
    Pip Luscher, Apr 7, 2007
    #8
  9. Moon Badger

    Pip Guest

    They'll take root. And the corroded-in pins won't get any less stuck
    with the passage of time.
    It is a known workaround. I'm sure I've seen it here before too -
    iirc Eddie had to do the same thing.

    They'll never twist free, you'll just round the spanner flats. Get
    the drill out (I used an automatic centre punch on the exposed end of
    the pin and gave it a good few pops and you should have seen the
    little wisps of corrosion coming out) and get the pin tapped through.

    I know you're competent in this area, but if your bottle and tuits
    aren't up to it, post or UR the caliper over here and I'll do it for
    you.
     
    Pip, Apr 7, 2007
    #9
  10. Moon Badger

    Andy Bonwick Guest

    I can't remember the last time I changed rear brake pads. I'd expect
    to get at least 50k miles out of a set and I don't usually keep bikes
    that long.
     
    Andy Bonwick, Apr 7, 2007
    #10
  11. Moon Badger

    deadmail Guest

    They sieze on eventually and then wear down.
     
    deadmail, Apr 7, 2007
    #11
  12. Moon Badger

    Andy Bonwick Guest

    Only if you use the bike in winter.
     
    Andy Bonwick, Apr 7, 2007
    #12
  13. Moon Badger

    Beav Guest

    Do ANY of the manufacturers? Kwaka didn't even grease the rear suspension
    linkage on my Zed and the nipples were there to be used.
    And if you had to, you're not planning things properly. One should always
    allow at least 4 hours for a re-pad session.
    A minimum one hour, so anything from 30 quid upwards.


    --
    Beav

    VN 750
    Zed 1000
    OMF# 19
     
    Beav, Apr 7, 2007
    #13
  14. Moon Badger

    Pip Luscher Guest

    Jolly decent of you. You were quite right, it was a slight lack of
    confidence that made me hold off, but with every other bugger doing
    them and your offer as a backup, I was stung into action.

    Initially, I tried heat, then sawing the pins in half and hammering a
    screwdriver between the halves on the grounds of 'divide and conquer',
    which got the outer bits out easily. I then tried tapping the inner
    bits from different angles to loosen them: buggers snapped when I
    tried to twist them out, didn't they.

    So I drilled & punched them and they came out a treat. Not only that,
    but I managed to get the holes pretty much dead central. Chuffed, I
    was.
     
    Pip Luscher, Apr 7, 2007
    #14
  15. Moon Badger

    Beav Guest

    They've changed that on the later SV's as I found out to my joy last week.
    That was a design classic if ever there was.
    Here speaks a man with experience. Machine Mart sell some great "Suzuki
    caliper tools" in the form of both tapered and straight drifts. I have them
    all :)
    I told my pal with the SV to take out the retaining pin every couple of
    months whether he's fitting pads or not. He's glad I told him and glad he
    took my advice when he came to fit new pads this week. Like you say, it took
    him 10 minutes and he's got the mechanical abilities of an untrained mong.


    --
    Beav

    VN 750
    Zed 1000
    OMF# 19
     
    Beav, Apr 8, 2007
    #15
  16. Moon Badger

    Beav Guest

    They're for the kids.


    --
    Beav

    VN 750
    Zed 1000
    OMF# 19
     
    Beav, Apr 8, 2007
    #16
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