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Brake Wear & IID Tool
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JonM
 


Member Since: 24 May 2012
Location: North Yorkshire
Posts: 912

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4
Brake Wear & IID Tool

My brake wear warning light has just popped on Sad , so i thought I'd use the IID tool to find out if it's the from or back sensor that's worn to save a bit of effort grovelling around underneath. Am I just being thick Shocked , or does the IID not tell you which sensor is worn? If it does tell you, which section is the information in?

And.... what thickness of disc needs to be left to avoid needing to replace them as well?

Thanks.
 D4 HSE MY2012
» Compomotive PD1881s - Fitted
» BFG AT KO2's - Fitted
» RLD Sump Plate - Fitted
» RLD Wheel Protector - Fitted
» Blackvue - Fitted
» Prospeed Rock & Tree Sliders - Fitted
» Prospeed Compressor Guard - Fitted
» IID Tool BT - How much damage can I do?
» Bank Account - Empty Big Cry
 
 
Post #186708910th Oct 2017 5:19 pm
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leprechaun
 


Member Since: 30 Mar 2015
Location: Northumberland
Posts: 130

United Kingdom 2005 Discovery 3 TDV6 S Auto Tonga GreenDiscovery 3

Mine has just come on also but the information display on the dash tells me it's the front pads (D3), does it not display that on a D4?
  
Post #186712310th Oct 2017 6:18 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 4177

England 2005 Discovery 3 TDV6 HSE Auto Baltic BlueDiscovery 3

The information is stamped on the outside edge of the disk, ISTR 27mm is the minimum for the front.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #186712610th Oct 2017 6:22 pm
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JonM
 


Member Since: 24 May 2012
Location: North Yorkshire
Posts: 912

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

leprechaun wrote:
Mine has just come on also but the information display on the dash tells me it's the front pads (D3), does it not display that on a D4?


The D4 isn't that helpful Rolling Eyes

Click image to enlarge
 D4 HSE MY2012
» Compomotive PD1881s - Fitted
» BFG AT KO2's - Fitted
» RLD Sump Plate - Fitted
» RLD Wheel Protector - Fitted
» Blackvue - Fitted
» Prospeed Rock & Tree Sliders - Fitted
» Prospeed Compressor Guard - Fitted
» IID Tool BT - How much damage can I do?
» Bank Account - Empty Big Cry
 
 
Post #186713910th Oct 2017 6:39 pm
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Brian_DL13
 


Member Since: 25 Aug 2013
Location: Teesdale
Posts: 889

United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

Mine has just worn down to the metal on one of the rear pads. No warning light Rolling Eyes
AIUI (thanks Robbo) not all wheels have a warning sensor. Sucks really given the price of these things ... Evil or Very Mad
  
Post #186717410th Oct 2017 7:52 pm
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Judderman
 


Member Since: 19 Mar 2016
Location: Highland
Posts: 41

Scotland 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

My D3 never let me know which pads were worn, knew it was the fronts though. Yellow warning only, thought it would've went red ?
Mine were worn down to the rivets !
  
Post #186727811th Oct 2017 8:28 am
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Sea Raider
 


Member Since: 01 Nov 2016
Location: Argyll
Posts: 541

Scotland 2006 Discovery 3 TDV6 SE Auto Cairns BlueDiscovery 3

D3 has the sensors on the front nearside and rear offside.
Just replaced my front one, had an intermittent yellow light and warning on the dash.
On inspection the sensor had come loose and had lost the spring clip that keeps it in place, plenty meat on the pads, sensor had worn as it was'nt sitting properly.
Picked up genuine ones for both ends for £4.50 each delivered from the well known auction place
  
Post #186728511th Oct 2017 8:36 am
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Gareth
Site Moderator 


Member Since: 07 Dec 2004
Location: Bramhall
Posts: 22721

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4

The sensors are a bit naff, and in my opinion really are no replacement for a good visual inspection.

Also, sticking caliper will wear a pad out very quickly, and you have a 1 in 4 chance of it being on a sensor equipped pad.
  
Post #186728811th Oct 2017 8:42 am
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Sea Raider
 


Member Since: 01 Nov 2016
Location: Argyll
Posts: 541

Scotland 2006 Discovery 3 TDV6 SE Auto Cairns BlueDiscovery 3

Judderman wrote:
My D3 never let me know which pads were worn, knew it was the fronts though. Yellow warning only, thought it would've went red ?
Mine were worn down to the rivets !


I'm sure I read somewhere
Yellow related to pads
Red related to fluid level

of course it might have been in a dream Smile
  
Post #186729811th Oct 2017 8:57 am
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