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EPB jammed after 9 months
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NC500
 


Member Since: 18 Sep 2017
Location: On the NC500
Posts: 545

Scotland 2014 Discovery 4 3.0 SDV6 HSE Auto Firenze RedDiscovery 4
EPB jammed after 9 months

Hi all

I had my local indie fit a new module 9 months ago along with new parking brake shoes etc. it’s now jammed on - what has probably caused a failure so quickly?
  
Post #234012922nd Jun 2023 12:58 pm
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KPTV8
 


Member Since: 05 Feb 2012
Location: Itinerant !! (Scotland/Donegal)
Posts: 187

Scotland 2010 Discovery 4 5.0 V8 HSE Auto Nara BronzeDiscovery 4

Hi Smile))
Did you get any warning codes in days/weeks leading up to the failure ?
I've just had to write-off an EPB on a low-mileage non-rusty D4, prior to that I'd seen codes and "service due" messages. Opinion I'm getting from Disco-wise guys is if you don't adjust for EPB brake-shoe wear over time then the electric winch starts winding close to the end of its permitted travel.
If the winch reaches the END of its designed travel then it can lock-up - and in my case even the manual release cable was unable to release the lockup (the crimp on the pull-loop broke under huge tension).
Has made my eyes water ......
Cheers Smile)
  
Post #234013322nd Jun 2023 1:17 pm
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NC500
 


Member Since: 18 Sep 2017
Location: On the NC500
Posts: 545

Scotland 2014 Discovery 4 3.0 SDV6 HSE Auto Firenze RedDiscovery 4

Thanks for the swift reply. I had no warnings at all, it just screamed and jammed. I did manage to release it by pulling the cable thank goodness.

It’s such a pain in the ass. I purposefully maintain the big problem areas and to have a failure after such a short time is maddening.

Is there a mileage interval I should have the rear brakes apart to adjust them??
  
Post #234013622nd Jun 2023 2:06 pm
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CDS
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Member Since: 12 Oct 2009
Location: Cornwall & most of the UK!
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United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tangiers OrangeDiscovery 3

Service interval for ‘arduous use’ ie off road, is 50 miles, yes, fifty Rolling with laughter
 
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
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Post #234013722nd Jun 2023 2:10 pm
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Bardley
 


Member Since: 02 May 2018
Location: Hertfordshire
Posts: 470

United Kingdom 2011 Discovery 4 3.0 TDV6 HSE Auto Santorini BlackDiscovery 4

The question has to be asked if the shoes were adjusted properly. Is it a garage tht knows what they're doing?
Things do go wrong, but the rear shoes have a regime that needs to be followed. Did a proper mechanic do the job?
 2011 MY D4 HSE
Previously 2001 D2 TD5, 1996 D1 300Tdi, 1985 90 2.2 petrol.
Bikes! KTM, BMW, British, Classics and others.
 
 
Post #234016022nd Jun 2023 6:37 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8228

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

Bet he didn't follow Bodsey's bible, particularly the running-in proceedings, if that isn't done a lot of adjustment can be lost in the first few miles depending on how the brake is used.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #234018823rd Jun 2023 7:35 am
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NC500
 


Member Since: 18 Sep 2017
Location: On the NC500
Posts: 545

Scotland 2014 Discovery 4 3.0 SDV6 HSE Auto Firenze RedDiscovery 4

Bardley wrote:
The question has to be asked if the shoes were adjusted properly. Is it a garage tht knows what they're doing?
Things do go wrong, but the rear shoes have a regime that needs to be followed. Did a proper mechanic do the job?


Yes, it was a company based up here in the north highlands (we don’t have a lot of choice). They freed the system up yesterday and said the fault was due to binding brake shoes and as they had fitted those 12 months ago the whole repair was done FOC. I think I’ll get Disco Mike to take a look when he has the car for its annual hurrah in Dundee!
  
Post #234020223rd Jun 2023 9:49 am
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