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Rockpaperscissors
Member Since: 23 Apr 2011
Location: Somewhere South North of Cardiff
Posts: 801
  
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Hi All.
Hope you’re all keeping safe and well.
I e just had the D4 MOT’d and it FAILED! On inner break shoes and a bush for the rear upper  Not too bad for an 11 year old HOWEVER!!
I could hear a grinding noise coming from one of the wheels but as I wasn’t using it very often so I thought I’d wait until the MOT
What peed me off the most was the damage the inner shoes caused to the brand new (less than 500 miles working from home) rear discs. They think one must have been very loose inside as the scoring on the inner shoe was realllly bad. OOPS! 2010 D4 XS
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 3rd Mar 2021 10:05 am |
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Dave T
Member Since: 03 Jul 2009
Location: Glasgow
Posts: 6910
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The pads must have been very thin when replacing the discs to cause damage after 500 miles??? Joined the BMWX5 45e group
1994 Defender 90
2015 RRS Corris Grey/Black roof
2016 D4 Graphite Santorini Black
2012 D4 XS Orkney Grey
2005 D3 S Maya Gold
Convoy for Heroes 2011
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| 3rd Mar 2021 10:16 am |
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Rockpaperscissors
Member Since: 23 Apr 2011
Location: Somewhere South North of Cardiff
Posts: 801
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It looked like they’d never been changed. The same indie changed the discs back last year but didn’t mention anything about the shoes. They did look very worn.
But the chap thought they’d come loose somehow causing the grinding noise hence the inner shoe wear.
Money pits  2010 D4 XS
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| 3rd Mar 2021 11:06 am |
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Froogle-Yorkshireman
Member Since: 28 Oct 2010
Location: Yorkshire
Posts: 303
 
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I feel your pain just had the same but on the front discs - pads worn down to metal and scored the discs 
I don't understand it really as I don't really use the brake pedal just the accelerator mainly 
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| 3rd Mar 2021 11:18 am |
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Kilovolt
Member Since: 29 Jun 2015
Location: South Derbyshire
Posts: 1079
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I thought it was a 'golden rule' never to re-install used pads into a new disc installation.
The pad face would not sit well on a new smooth disc  "Track day running - Don't put your foot back on the accelerator until your absolutely sure you don't have to take it off again"
Current Ride: D4 XS Commercial Baltic Blue SDV6 fully loaded with heated everything 
Track Days: BMW E36 M3 Evolution MY 1996 (3.2 Litre 377 BHP sat in 1,250 Kgs of car, with a pro safety cage and some serious braking power)
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| 3rd Mar 2021 11:50 am |
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ronald.soak
Member Since: 29 Apr 2008
Location: London
Posts: 534
 
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Some confusion here I think. The OP has mentioned shoes twice but the comments are on pads.
Most likely cause of OPs damage failure of shoe retaining spring through corrosion.
Usual cause of excessive pad wear sticking caliper, piston or sliding pins. Alternatively pads sticking in dirty tracks.
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| 3rd Mar 2021 12:21 pm |
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pagoda
Member Since: 13 Aug 2009
Location: Not London Anymore (or the US for that matter)
Posts: 1929
  
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Kilovolt wrote:I thought it was a 'golden rule' never to re-install used pads into a new disc installation.
The pad face would not sit well on a new smooth disc
Yes, new brake pads are fine on serviceable discs, but new discs should have new pads fitted regardless of the state of the existing pads. (I also change the brake fluid when fitting new discs, or every 4 years). PAGODA
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| 3rd Mar 2021 1:04 pm |
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Rockpaperscissors
Member Since: 23 Apr 2011
Location: Somewhere South North of Cardiff
Posts: 801
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I should mention the hand brake shoes on the inner hub. Sorry for any confusion. Either way it hurt my bloody wallet 2010 D4 XS
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| 3rd Mar 2021 3:11 pm |
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M3bobby
Member Since: 21 May 2018
Location: Sleaford, LINCS.
Posts: 857
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Yes the shoes fail, either the retainer or the material itself. In my case the material was breaking up and pieces would jam between shoe and drum making the noise you mention. After a while it would pass as the material would turn to dust and the drum surface would score. And then a little while later, another chunk would break off and I’d go through it again. I’d say that they’ve done well for 11 years. 012MY RRS 5.0 Supercharged Autobiography (Current)
Mods:
TPMS (Complete but got an issue)
Genuine LR DRLs (Complete)
Remote Boot close from key fob (Complete)
2016 Discovery 4 Mirrors AKA RRS2 (Complete)
2014 L405 Surround Camera retro fit (Now 2016 L319)
2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE (Complete)
2014 LR4 Homelink (Complete)
2016 FFRR Electrochromatic Wing Mirror Glass (Complete)
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| 29th Apr 2021 9:04 pm |
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Rockpaperscissors
Member Since: 23 Apr 2011
Location: Somewhere South North of Cardiff
Posts: 801
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It bites again.
Spent the morning yesterday trying to get the drivers side front wheel off to change discs and pads. One swollen nut!! (Not the type to make you speak in a high pitched Voice) and several swear words later I managed to pop the cap off and get the wheel off.
Lovely!!
Rear calliper bolts out, pads and springs off. No chance in hell could I get the other 2 carrier bolts off even with my breaker bar on them.
 Replaced it all an wheels back on to book it back into my Indy!!
Time to invest in an impact wrench I think! 2010 D4 XS
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| 15th Jul 2021 12:45 pm |
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