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Feels like brake binding
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Chosenview
 


Member Since: 25 Oct 2015
Location: Gloucester
Posts: 93

2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3
Feels like brake binding

Throwing myself at the collective wisdom of the group

My D3 feels like the rear brakes are binding. It's regular but not always. Does not appear to happen on short journeys or at high speed. Happens most when the auto changes gear at low speed and/or when turning.

I can't feel any abnormal temperatures on the disk or the drum.

I'm resigned to taking it apart but can anyone explain the logic in the symptoms above?
 D3 V8 HSE
My other car's a Volvo, see my blog www.pearman.cc/blog 
 
Post #175149420th Dec 2016 11:07 am
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tuonov
 


Member Since: 28 Nov 2016
Location: London
Posts: 57

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Do you release your parking brake with the button or do you drive away to release?

I've noticed something - not confirmed yet -

With the EPB applied, if I press the button to release it, it seems to roll free, but if I release it by driving off in drive, I can hear some mild squealing from the rear.

As I say - it's unconfirmed yet, but noticed a couple of times that it seems that this is the cause, I just need to take the time to have a look at it all
  
Post #175149820th Dec 2016 11:15 am
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Chosenview
 


Member Since: 25 Oct 2015
Location: Gloucester
Posts: 93

2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3

I always use the button.

I can see that on short journeys the heat does not build up and cause the juddering. No squealing

I can see that if I'm going fast enough the momentum is too much to cause binding

But no heat??? And turning corners???
 D3 V8 HSE
My other car's a Volvo, see my blog www.pearman.cc/blog 
 
Post #175196921st Dec 2016 12:19 pm
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tuonov
 


Member Since: 28 Nov 2016
Location: London
Posts: 57

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Not sure about taking the corners, but low speed juddering could be a warped disk, doesn't occur at higher speeds due to the greater forces
  
Post #175197421st Dec 2016 12:37 pm
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L319
 


Member Since: 14 Dec 2013
Location: Herefordshire
Posts: 2079

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

Are you sure it is brakes binding, is it a judder you feel or squealing noise. I am just wondering if it is not the brakes but the DSC cutting in, this would show up especially when cornering and usually in one direction.
  
Post #175197521st Dec 2016 12:37 pm
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Chosenview
 


Member Since: 25 Oct 2015
Location: Gloucester
Posts: 93

2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3

I've only once been able to induce the symptoms. With the car on full lock I pulled forward 3 feet then reverse same. Pretty sure it was the drivers side rear juddering. A warped disk sounds feasible. Defo no squeal. But I would have expected heat and it's not there.
 D3 V8 HSE
My other car's a Volvo, see my blog www.pearman.cc/blog 
 
Post #175200221st Dec 2016 1:53 pm
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hugeviking
 


Member Since: 08 Jun 2010
Location: cotswolds
Posts: 1481

United Kingdom 2006 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

Juddering on full lock, forward or reverse. could be transfer box needs calibrating

Andi.
  
Post #175224121st Dec 2016 9:02 pm
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Craiggillin1985
 


Member Since: 30 Jan 2016
Location: Widnes
Posts: 71

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

what is the center bearing like on rear prop i had a judder on mine when i first got it and center bearing was Censored got a new prop and it was sorted think i paid about 230 off ebay
  
Post #175224621st Dec 2016 9:10 pm
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Chosenview
 


Member Since: 25 Oct 2015
Location: Gloucester
Posts: 93

2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3

I have a IID and tried the calibration, twice. Not convinced. Also been under the car and the centre bearing looks good to me. I've ordered discs pads and shoes for the back. Will see if that works.
 D3 V8 HSE
My other car's a Volvo, see my blog www.pearman.cc/blog 
 
Post #175226621st Dec 2016 9:34 pm
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Craiggillin1985
 


Member Since: 30 Jan 2016
Location: Widnes
Posts: 71

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

ok mate keep us posted how you get on
  
Post #175227021st Dec 2016 9:43 pm
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Chosenview
 


Member Since: 25 Oct 2015
Location: Gloucester
Posts: 93

2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3

Just re-read the thread and it looks like I'm dismissive. I'm not, am fearfull it is the transfer box. I've also considered it being the D.SC. if it was, would there be indication on the dashboard. I'd have expected some dashboard warning light?
 D3 V8 HSE
My other car's a Volvo, see my blog www.pearman.cc/blog 
 
Post #175227721st Dec 2016 9:51 pm
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Chosenview
 


Member Since: 25 Oct 2015
Location: Gloucester
Posts: 93

2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3

Well that's all the rear brakes changed. Both handbrake and foot brake. No change. Still have a binding sensation regularly but not all the time. More internet surfing opens the possibility its a diff or transfer box. I don't understand the transfer box. Why does it have clutches? And can anyone describe the symptoms of slipping clutches?
 D3 V8 HSE
My other car's a Volvo, see my blog www.pearman.cc/blog 
 
Post #177177830th Jan 2017 8:55 pm
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hugeviking
 


Member Since: 08 Jun 2010
Location: cotswolds
Posts: 1481

United Kingdom 2006 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

As i understand it, the transfer box clutches allow the centre diff to slip for normal driving. When on rough terrain and/or the terrain control settings are altered, eg mud and ruts, the clutches start to bite together to lock up the diff. When calibration is required (or a fault) i think these clutches remain engaged to a degree, causing a grabbing sensation through the vehicle on slow tight turns.
Low range may exacerbate the sensation.

Andi.
  
Post #177219531st Jan 2017 7:27 pm
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Chosenview
 


Member Since: 25 Oct 2015
Location: Gloucester
Posts: 93

2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3

Interesting. Feels like there ought to be a test I can do then to see if the clutches are grabbing by lifting one wheel and trying to spin it. If it won't spin then the clutches are engaged. I've recalibrated a few times now. Looking forward are they a replaceable item or is it new transfer box?
 D3 V8 HSE
My other car's a Volvo, see my blog www.pearman.cc/blog 
 
Post #177220831st Jan 2017 7:57 pm
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anglefire
 


Member Since: 09 Mar 2010
Location: In the Club House
Posts: 4180

England 

I had issues with non-conclusive brake binding late 2015 early 2016.

Basically nothing got hot, but the MPG was slightly down and on a slight gradient wouldn't roll.

I changed, calipers, pads etc but no difference.

Then changed the master cylinder and servo and all went away and was back to rude health.
 Mark.
2006, D3 SE Auto - gone but not forgotten.
2014 BMW 530d M Sport Tourer.
1977 Triumph Spitfire 1500

_________________________________________________
Disco Picture Website Here 
 
Post #177228531st Jan 2017 10:19 pm
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