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Author Topic: Disc wearing strangely  (Read 6219 times)

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mikesomega

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Disc wearing strangely
« on: 27 March 2012, 13:26:14 »

The inside edge it seems as if pad isn't touching it, but it is.  Is that a caliper problem, bent maybe, got it on both front discs.
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Webby the Bear

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Re: Disc wearing strangely
« Reply #1 on: 27 March 2012, 13:39:54 »

I've read a bit about brakes recently (as per my thread today).

Are you getting steering shaking when you brake?
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mikesomega

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Re: Disc wearing strangely
« Reply #2 on: 27 March 2012, 13:49:01 »

not a shake, but pulls left under braking.

caliper seems free
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Webby the Bear

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Re: Disc wearing strangely
« Reply #3 on: 27 March 2012, 13:51:43 »

assuming there's no other issue like tyres i think replacing the pad would cure it but you best get one of the oof experts to check what im saying as i'm new to this :)

but i do know that discs can warp like a vinyl record left in the sun so getting them, erplaced would be my first port of call :)
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Kevin Wood

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Re: Disc wearing strangely
« Reply #4 on: 27 March 2012, 13:57:05 »

I would remove the pads, wind the pistons back in and make sure the caliper is free to slide smoothly on the pins that retain it.

If not, remove the pins and clean them, then re-lubricate with some lithium grease and reassemble, replacing the pads and disk if they are too unevenly worn.
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mikesomega

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Re: Disc wearing strangely
« Reply #5 on: 27 March 2012, 14:00:08 »

discs will need skimming, so was going to go to halfords and get some pads.

is this a common problem, as wear is same both sides
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Webby the Bear

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Re: Disc wearing strangely
« Reply #6 on: 27 March 2012, 14:01:16 »

I've heard about skimming/machining.

How much does that cost as brake kits are cheap on TC :)
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mikesomega

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Re: Disc wearing strangely
« Reply #7 on: 27 March 2012, 14:02:55 »

i have a mate who can do them "after hours" for a couple of pints if the guvner isnt in
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Andy B

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Re: Disc wearing strangely
« Reply #8 on: 27 March 2012, 14:11:57 »

i have a mate who can do them "after hours" for a couple of pints if the guvner isnt in

Not worth the hassle ........... they're likely to end up under sized even if they're running true.  ;) ;)
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Webby the Bear

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Re: Disc wearing strangely
« Reply #9 on: 27 March 2012, 14:13:13 »

i have a mate who can do them "after hours" for a couple of pints if the guvner isnt in

I get ya ;)

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Zippy2012

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Re: Disc wearing strangely
« Reply #10 on: 27 March 2012, 15:03:17 »

i had a similar prob both discs looked fine & calipers seemed to be working ok,

but had a slightly warped o/s disc which was making the n/s pull on 1st making it brake left,

but when cleaning & replacing all the discs/pads i noticed 2 slight groves in the carrier which was making the pads jam & not sliding which caused the warped disc on o/s

its defo worth removing all of it & cleaning it all up & repaint carrier to stop them rusting etc
regrease sliders & put very small amount of copperslip on the edge of pads where they slide in the carrier  :y
check pads for cracks & glazing rough file across pads can help take glaze off them..
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feeutfo

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Re: Disc wearing strangely
« Reply #11 on: 27 March 2012, 15:31:24 »

Check as Kevin suggests, but they all seem to do it. Certainly mine do.

I painted my new ones silver to try and keep the rust at bay a bit, but the only real remedy is to replace them. In fact if measured they are most likely approaching minimum thickness anyway.

Gm front disc and pad set from vx on trade club sub £100 Inc vat.
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mikesomega

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Re: Disc wearing strangely
« Reply #12 on: 27 March 2012, 16:06:43 »

i have a mate who can do them "after hours" for a couple of pints if the guvner isnt in

Not worth the hassle ........... they're likely to end up under sized even if they're running true.  ;) ;)
Not measured depth but seems to be loads of meat left on. If all it costs is a Carlsberg and pack of cheese and onion, got 2 be worth a try. i will measure depth beforehand before getting jonno to do them
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mikesomega

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Re: Disc wearing strangely
« Reply #13 on: 27 March 2012, 16:07:55 »

100 quid :o r they better than the 60 quid ones from the bay
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Andy B

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Re: Disc wearing strangely
« Reply #14 on: 27 March 2012, 16:22:51 »

100 quid :o r they better than the 60 quid ones from the bay

In the long run ........ probably yes, you're less likely to need to replace the OE discs due to warping. (£100 + discs & pads)
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