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MOT FAIIIIILL
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Rockpaperscissors
 


Member Since: 23 Apr 2011
Location: Somewhere South North of Cardiff
Posts: 799

Wales 2010 Discovery 4 3.0 TDV6 XS Auto Corris GreyDiscovery 4
MOT FAIIIIILL

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 Rolling Eyes 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  
Post #22148873rd Mar 2021 10:05 am
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Dave T
 


Member Since: 03 Jul 2009
Location: Glasgow
Posts: 6902

England 

The pads must have been very thin when replacing the discs to cause damage after 500 miles???
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Post #22148913rd Mar 2021 10:16 am
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Rockpaperscissors
 


Member Since: 23 Apr 2011
Location: Somewhere South North of Cardiff
Posts: 799

Wales 2010 Discovery 4 3.0 TDV6 XS Auto Corris GreyDiscovery 4

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 Laughing
 2010 D4 XS  
Post #22148983rd Mar 2021 11:06 am
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Froogle-Yorkshireman
 


Member Since: 28 Oct 2010
Location: Yorkshire
Posts: 296

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Waitomo GreyDiscovery 4

I feel your pain just had the same but on the front discs - pads worn down to metal and scored the discs Big Cry

I don't understand it really as I don't really use the brake pedal just the accelerator mainly Whistle
  
Post #22149013rd Mar 2021 11:18 am
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Kilovolt
 


Member Since: 29 Jun 2015
Location: South Derbyshire
Posts: 1017

United Kingdom 2013 Discovery 4 3.0 SDV6 Commercial XS Auto Baltic BlueDiscovery 4

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 Question
 "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 Smile
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) Smile 
 
Post #22149093rd Mar 2021 11:50 am
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ronald.soak
 


Member Since: 29 Apr 2008
Location: London
Posts: 515

England 2005 Discovery 3 TDV6 S Manual Chawton WhiteDiscovery 3

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.
  
Post #22149163rd 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: 1923

Canada 2016 LR4 3.0 SDV6 Landmark LE Auto Yulong WhiteLR4

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 Question


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  
Post #22149303rd Mar 2021 1:04 pm
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Rockpaperscissors
 


Member Since: 23 Apr 2011
Location: Somewhere South North of Cardiff
Posts: 799

Wales 2010 Discovery 4 3.0 TDV6 XS Auto Corris GreyDiscovery 4

I should mention the hand brake shoes on the inner hub. Sorry for any confusion. Either way it hurt my bloody wallet Laughing
 2010 D4 XS  
Post #22149613rd Mar 2021 3:11 pm
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M3bobby
 


Member Since: 21 May 2018
Location: Sleaford, LINCS.
Posts: 857

United Kingdom 

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:
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2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE (Complete)
2014 LR4 Homelink (Complete)
2016 FFRR Electrochromatic Wing Mirror Glass (Complete) 
 
Post #222750929th Apr 2021 9:04 pm
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Rockpaperscissors
 


Member Since: 23 Apr 2011
Location: Somewhere South North of Cardiff
Posts: 799

Wales 2010 Discovery 4 3.0 TDV6 XS Auto Corris GreyDiscovery 4

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.

Censored Censored 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  
Post #224187715th Jul 2021 12:45 pm
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