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Brake Pad thickness
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Moonie
 


Member Since: 28 Feb 2010
Location: Whitby North Yorkshire
Posts: 178

2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3
Brake Pad thickness

Good morning everyone I`m hoping somebody can help me with a little technical question I have. At what wear depth would a front Brake pad sensor signal a change is required ? This is a precise bit of info I need as it`s needed in a court case.  
Post #83409712th Sep 2011 7:55 am
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DiscoDunc
 


Member Since: 08 May 2006
Location: Bristol
Posts: 16390

England 2010 Discovery 4 3.0 SDV6 HSE Auto Aintree GreenDiscovery 4

I dont know the precise "official" limit but having taken my pads off yesterday I would say the sensore would get activated at about 2mm

Quote:
The front brake pad wear sensor is connected in series with the rear brake pad wear sensor, between the instrument cluster and ground. When a brake pad incorporating a brake pad wear sensor is approximately 75% worn, the brake pad wear sensor goes open circuit. When the instrument cluster detects the open circuit, it illuminates the amber Light Emitting Diode (LED) in the brake warning indicator. Vehicles with the high line instrument cluster also display an appropriate warning in the message center and sound a warning chime.


This would suggest approximatly 2.5mm

the sensors are only on two of the 8 pads. The front left inner and the rear right inner. It is quite feasible for the Left rear or front right pads to be down to the metal and the warning wont go off. Thats why i have discconected mine and check visually every month. Duncan
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Post #83409912th Sep 2011 8:00 am
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SpiderBaby
D3 Decade 


Member Since: 21 Sep 2007
Location: Liverpool
Posts: 1411

England 2005 Discovery 3 TDV6 SE Auto Zermatt SilverDiscovery 3

I'm with Dunc on this - relying on the sensor is, IMHO, not a good idea as not all pads are monitored.

A visual check once a month is much better. I see no ships........  
Post #83410212th Sep 2011 8:07 am
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Moonie
 


Member Since: 28 Feb 2010
Location: Whitby North Yorkshire
Posts: 178

2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Thanks chaps, I wont go into it at this stage but when they were changed I did have a look at the old pads and they were evenly worn. Its just a case of a so called Landrover specialist ripping people off and leaving vehicles in a dangerous state. Once this is all sorted I will gladly post the detail of said Specialist on here for all to see if thats ok with the Mods.  
Post #83410612th Sep 2011 8:13 am
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