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Yellow brake warning on - Changing brake pads.
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FISHBOY
 


Member Since: 06 Sep 2010
Location: Kent
Posts: 754

United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Auto Indus SilverDiscovery 4
Yellow brake warning on - Changing brake pads.

Yellow warning light came on yesterday so looking to replace the pads – probably done 18k on them.

Anyway, rather than pay dealer rates was going to attempt to change them with my neighbours son who trained as a mechanic for a few years then gave it up.

Looking to buy standard LR pads but have couple of quick questions.

• Is it an easy enough job to do? How sensitive is the reservoir?
• Is the D3 and D4 the same process? – can I use the Bodsy Brake Bible
• Any specialist tools required – I don’t believe I need a computer to turn the warning light off
• LR pads seem to be Ferrodo – is it cheaper to buy theirs instead?

Any useful tips greatly received. Thumbs Up
 Last of the D4 HSE...  
Post #20580633rd Jun 2019 3:03 pm
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Duncster
 


Member Since: 25 Nov 2006
Location: Midlands
Posts: 755

United Kingdom 2005 Discovery 3 TDV6 S Auto Zermatt SilverDiscovery 3

When I changed mine, it was a pretty straight forward - bodsy brake bible is great especially for the rear brakes. The front brakes are exactly the same as many other cars. I think you need a 7mm Allen key which is not a normal Allen key, however you can dedicated Brake Allen keys for next to nothing.

Make sure you have some copper slip as well.
 15 3.0 RRS HSE - Silver
05 2.7TDV6 S AUTO Silver - Retro-fitted Leather. 
 
Post #20580673rd Jun 2019 3:17 pm
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al cope
 


Member Since: 08 Nov 2005
Location: Oldbury, WM
Posts: 10297

England 

No allen key needed for front pads - its all socket work (and an open ended spanner to stop the guides spinning when you undo the bolts)

it almost takes longer to jack the car up, stick it on axle stands and remove the wheels as it does change the front pads

Al
 Volvo XC90 B5 Plus Dark
Gone - MY18 D5 HSE - Corris on 22's with Black Pack
Now gone - MY16 D4 SE Tech, Loire Blue, Almond Leather, Privacy, plus some other goodies.
Old - MY12 D4 SDV6 XS Auto - Ipanema Sand with Almond Leather - Plus other niceties, and D4.com sticker
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Post #20580803rd Jun 2019 3:49 pm
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FISHBOY
 


Member Since: 06 Sep 2010
Location: Kent
Posts: 754

United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Auto Indus SilverDiscovery 4

Thanks guys - that's what I needed to hear!

Found the LR part numbers for a D4 ( I think) LR051626 Front and LR055454 for the rear, but nothing corresponds to them on the online adverts.

LR fronts with fitting kits £135, Brembo £88 and Ferodo £50....

Big old spread...
 Last of the D4 HSE...  
Post #20580843rd Jun 2019 3:56 pm
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LaserTam
 


Member Since: 31 Aug 2015
Location: Essex
Posts: 828

England 2012 Discovery 4 3.0 SDV6 HSE Auto Nara BronzeDiscovery 4

After doing mine for the first time using the bible, only tool I was missing was the wind back tool, to push the caliper pistons back into the caliper. I fashioned something using some wood and a g clamp I think. It was a bit of a pain. Purchased a proper tool before I did the rear pads, much easier.

Be careful when removing the sensor, it's a bit delicate and as the bible says, the copper connector can go flying.
 MY2012 D4 HSE Nara Bronze with some extra stuff  
Post #20580863rd Jun 2019 4:12 pm
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Washwipe
 


Member Since: 19 Apr 2013
Location: Bucks Oxon Herts Border
Posts: 3169

England 

If the warning light has come on you will need to change the sensor, costs under a tenner, just have to trace the wire back where it goes behind the lining of the wing/wheel arch to find the connector.
  
Post #20581173rd Jun 2019 6:04 pm
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FISHBOY
 


Member Since: 06 Sep 2010
Location: Kent
Posts: 754

United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Auto Indus SilverDiscovery 4

Official warning is brake pads worn, but having just checked them there is at least 3mm on the outside pads.

With regards to the sensors, should i buy LR or aftermarket?
 Last of the D4 HSE...  
Post #20581283rd Jun 2019 6:53 pm
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M3bobby
 


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

United Kingdom 

Have a look at EBC red stuff pads. I’ve found the brake dust to be less than the standard pads.
  
Post #20581993rd Jun 2019 10:54 pm
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L319
 


Member Since: 14 Dec 2013
Location: Herefordshire
Posts: 2080

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

FISHBOY wrote:
Official warning is brake pads worn, but having just checked them there is at least 3mm on the outside pads.

With regards to the sensors, should i buy LR or aftermarket?

3mm is LR recommended minimum pad thickness. so warning should light at that point, Any less and significantly more heat gets transferred into the callipers when braking, as the friction material acts as an insulator .
  
Post #20582104th Jun 2019 12:26 am
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FISHBOY
 


Member Since: 06 Sep 2010
Location: Kent
Posts: 754

United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Auto Indus SilverDiscovery 4

OK thanks.
 Last of the D4 HSE...  
Post #20585935th Jun 2019 8:19 am
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