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DISCO3.CO.UK > Technical (D3)

repair electric handbrake - cheap fix
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DDdisco
 


Member Since: 08 May 2013
Location: United Kingdom
Posts: 57

United Kingdom 2006 Discovery 3 TDV6 Base 7 Seat Manual Indus SilverDiscovery 3
repair electric handbrake - cheap fix

my handbrake started the squeaking and failed last week

i had to pull the remote cable to release it and then it would not work at all

i was able to remove the cover for the unit whilts still in place and remove the broken gear

as expected the gear had spat the circlip off the end

the fix was very simple - a 13mm nut screwed onto the end !

i have replaced everything and have a question

the handbrake will now engage with no shrieking - but the fault remains and it has to be removed by pulling the remote cable

do i need to clear down the ecu fault to get it back in action

if this works out we have a cheap and simple fix for our handbrakes  
Post #11411807th Aug 2013 7:33 pm
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DDdisco
 


Member Since: 08 May 2013
Location: United Kingdom
Posts: 57

United Kingdom 2006 Discovery 3 TDV6 Base 7 Seat Manual Indus SilverDiscovery 3

you can see a pic of the gear here


[URL=]
Click image to enlarge
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Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated Mr. Green   
Post #11413788th Aug 2013 10:22 am
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Bigcol66
 


Member Since: 28 Jul 2010
Location: Welshpool, Powys
Posts: 775

2016 Discovery 4 3.0 TDV6 Landmark LE Auto Indus SilverDiscovery 4

My handbrake squeals sometimes if I use it when the vehicle is in low range. Works fine when in high range.  
Post #11414078th Aug 2013 11:51 am
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Bodsy
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Member Since: 06 Nov 2006
Location: In the Clubhouse
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United Kingdom 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Col,
It applies a bit more torque to the shoes when in low range, so I'd say you need to adjust the shoes ASAP otherwise it will just do it all the time. Bodsys Brake Bible

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Software updates/enabling

Clock/ SNOTM /3Flash / 4x4Info /BT Update /Service Reset/Error Codes / Gearbox Reset
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Post #11414158th Aug 2013 12:13 pm
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DDdisco
 


Member Since: 08 May 2013
Location: United Kingdom
Posts: 57

United Kingdom 2006 Discovery 3 TDV6 Base 7 Seat Manual Indus SilverDiscovery 3

the reason it squeals is because the circlip comes off the end of the gear and the motor over revs  
Post #11414178th Aug 2013 12:16 pm
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Bigcol66
 


Member Since: 28 Jul 2010
Location: Welshpool, Powys
Posts: 775

2016 Discovery 4 3.0 TDV6 Landmark LE Auto Indus SilverDiscovery 4

Thanks for the advice Bodsy I will use your brake guide to help me Thumbs Up  
Post #11415868th Aug 2013 9:36 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20822

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Bodsy wrote:
Col,
It applies a bit more torque to the shoes when in low range, so I'd say you need to adjust the shoes ASAP otherwise it will just do it all the time.


Mr Bodsy is spot on Thumbs Up

If it squeals in low range, its not far away from screaming in high range My D3 Build Thread

TDV8 Retrofit Build Thread  
Post #11416929th Aug 2013 6:37 am
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DDdisco
 


Member Since: 08 May 2013
Location: United Kingdom
Posts: 57

United Kingdom 2006 Discovery 3 TDV6 Base 7 Seat Manual Indus SilverDiscovery 3

just wanted to let everyone know that my EPB is back in service working fine

there were 2 problems

1. the circlip had come off the gear

fitting the nut on the end fixed the problem but the spring tension was too strong. So i cut part of the spring off and it works great now

2. the parking shoes needed adjustment

once the unit was wound backwards i clicked the adjusters till the handbrake started to brake and then came back approx 6 clicks

it was a cheap fix but was a pain in the ass to do

i removed the spare wheel
jacked car up
removed rear wheels
removed bracket for ebp module
turned ebp round
removed cover
repaired gear
rewound mechanism

all whilst lying on the ground covered in ants !

wanted to thank everyone for the useful information especially simoniz who had just done this repair and gave me some guidance

(i reckon somebody should do a video so we can see what needs to be done - if i have to do it again i will get the camera out !)  
Post #114305412th Aug 2013 9:11 pm
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simoniz
 


Member Since: 28 Oct 2007
Location: The green green grass of home!!!!!
Posts: 3757

Wales 2005 Discovery 3 TDV6 Base 7 Seat Manual Buckingham BlueDiscovery 3

DDdisco

Pleasure to help as always - very satisfying and re assuring once you do this and get such a great outcome Thumbs Up  
Post #114349413th Aug 2013 9:02 pm
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DDdisco
 


Member Since: 08 May 2013
Location: United Kingdom
Posts: 57

United Kingdom 2006 Discovery 3 TDV6 Base 7 Seat Manual Indus SilverDiscovery 3

if we can repair the EPB then anyone can do it !  
Post #114349613th Aug 2013 9:07 pm
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