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DISCO4.COM > Technical (D3)

desperate wtf is going on with my rear brakes
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druidmitch
 


Member Since: 18 Mar 2024
Location: Farnborough UK
Posts: 4

United Kingdom 2009 Discovery 3 TDV6 SE Auto Barolo BlackDiscovery 3
desperate wtf is going on with my rear brakes

iv replaced rear calipers Big Cry and sliders with new, replaced discs also new and the brakes are still binding when warm its defo not the epb thats all good i lso get suspension fault now getting hdc fault but if i switch off and leave an hour all is good for about 5 to 10 miles then she starts binding again please if theirs any one who could advise as my mrs is disabled and we really need the old girl to move her scooter about  
Post #236461018th Mar 2024 11:12 am
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Hardware
 


Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 13022

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

are you 100% sure it's not the parking brake ? years ago, our VX Carlton would get 10 miles down the motorway before shoes had expanded enough to start braking the car ... straight after main dealer had serviced the car and adjusted the brakes. twice. Fell out with dealer shortly after 2nd time and it never happened again. 

Last edited by Hardware on 18th Mar 2024 2:40 pm. Edited 1 time in total 
Post #236461918th Mar 2024 12:53 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10684

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Hoses only allowing fluid one way is a possibility.

But first be sure it’s the caliper that’s hot and not the drum  
Post #236463318th Mar 2024 2:25 pm
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highlands
 


Member Since: 10 Jan 2010
Location: NW Highlands
Posts: 5103

Ukraine 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Is the DSC kicking in and applying the brakes, which could be steering angle sensor?
Could try turning off DSC after starting the car and see if it makes a difference. Black 05 TDV6 HSE Auto
Grey 05 TDV6 HSE Auto (Gone)
54 TDV6 SE Man (killed by me Sad)  
Post #236465918th Mar 2024 6:28 pm
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CDS
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Member Since: 12 Oct 2009
Location: Cornwall & most of the UK!
Posts: 3344

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tangiers OrangeDiscovery 3

Have you stripped the EPB shoes off and inspected them? 
Discovery 3/4 & RRS keys cut and programmed at your home or work
Apple CarPlay/ Android Auto retro fit - see it here
BAS Remaps/ EGR Blanking
Software updates/ enabling
Mobile Servicing & Repairs  
Post #236466518th Mar 2024 7:20 pm
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druidmitch
 


Member Since: 18 Mar 2024
Location: Farnborough UK
Posts: 4

United Kingdom 2009 Discovery 3 TDV6 SE Auto Barolo BlackDiscovery 3
desperate wtf is going on with my rear brakes

yep even got to the point of replacing complete rear braking system and replacing epb module and had that reset all cables done as well , its all good for a few mile then somethings activating the brakes but only on the rear Thumbs Up  
Post #236470919th Mar 2024 10:19 am
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druidmitch
 


Member Since: 18 Mar 2024
Location: Farnborough UK
Posts: 4

United Kingdom 2009 Discovery 3 TDV6 SE Auto Barolo BlackDiscovery 3
desperate wtf is going on with my rear brakes

im going to try with DSC off and see if that helps cheers guys poss light at the end of the tunnel  
Post #236471019th Mar 2024 10:21 am
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20842

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Has it had a new master cylinder recently? My D3 Build Thread

TDV8 Retrofit Build Thread  
Post #236471919th Mar 2024 11:46 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10684

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Yeah I was wondering if it had had a TRW master cyl. Or servo. But OP didn’t mention it.

Thought it would effect the front more.  
Post #236472019th Mar 2024 11:49 am
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Flapper
 


Member Since: 04 Feb 2015
Location: Gloucester
Posts: 352

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zermatt SilverDiscovery 3

Replace both the rear hoses on each side the one at the back is the one that get a hammering as it has to flex with the suspension, however it very short so can crease in the same spot.
Like Pete says one way valve presure to the pads is never released
Just because it looks good on the outside doesn't mean it's good on the inside

The other hose to the caliper doesn't move.  
Post #236476219th Mar 2024 6:02 pm
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druidmitch
 


Member Since: 18 Mar 2024
Location: Farnborough UK
Posts: 4

United Kingdom 2009 Discovery 3 TDV6 SE Auto Barolo BlackDiscovery 3
desperate wtf is going on with my rear brakes

so the saga continues DSC off and tyre pressures checked ,,still binding up after about 5 miles so brake hoses next i would like to say thank you all for the advice Bow down  
Post #236480320th Mar 2024 7:30 am
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Browny90
 


Member Since: 19 Jul 2016
Location: Ashbourne
Posts: 698

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Santorini BlackDiscovery 4
Re: desperate wtf is going on with my rear brakes

druidmitch wrote:
iv replaced rear calipers Big Cry and sliders with new, replaced discs also new and the brakes are still binding when warm its defo not the epb thats all good i lso get suspension fault now getting hdc fault but if i switch off and leave an hour all is good for about 5 to 10 miles then she starts binding again please if theirs any one who could advise as my mrs is disabled and we really need the old girl to move her scooter about


Don't assume that the new callipers are any good.. Have you had them back out and actually checked that they slide freely? Disco4 MY16 SDV6 Landmark Black
Disco4 MY12 SDV6 XS Orkney Grey (Gone)
Defender 90 200tdi Completely rebuilt.  
Post #236480420th Mar 2024 9:21 am
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pjm-84
 


Member Since: 04 Oct 2016
Location: Hampshire
Posts: 2592

Ukraine 

Agree.....

You can check if they bind without driving. Does the wheel spin when jacked up? Brake on / brake off etc?  
Post #236481320th Mar 2024 10:46 am
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