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How to find and change Brake Pedal Switch
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loully
 


Member Since: 06 Oct 2010
Location: hertfordshire
Posts: 13

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Santorini BlackDiscovery 4

Thanks for that Brian, I will have a closer look at it, maybe remove the switch and refit and see what happens. Its annoying as it affects the drivability, when you brake and then come off the pedal to hit the gas if your foot is even touching the brake pedal the D4 has no power, I think it senses the brakes are on.
  
Post #203235727th Feb 2019 11:14 am
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BrianX
 


Member Since: 11 Dec 2005
Location: Bolton UK - it may be 'grim up north' but at least you get gravy on yer' chips.
Posts: 217

England 2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

That switch does so much more than just turn the brake lights on too - disengage cruise, disengage 'P' lock in the automatic gearbox etc. and is one of the only bits of the loom connected directly to the main 12v feed. That's why when it goes wrong, everything else goes into meltdown. It disengages two different circuits at different pressure levels just to add to the complexity/confusion Crying or Very sad
.
 '
'
'05 Disco3 TDV6 - gone
'06 Disco3 TDV6 - gone
'08 Freelander 2 - gone
'98 P38 V8/LPG - gone
'02 L322 V8 - gone
'02 Freelander 1 - gone
'05 Disco 3 TDV6 - SWMBO
'06 L322 V8 - current
 
 
Post #203236027th Feb 2019 11:21 am
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loully
 


Member Since: 06 Oct 2010
Location: hertfordshire
Posts: 13

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Santorini BlackDiscovery 4

I'll have a look anyway. If it becomes too complicated I will leave as is and learn to live with it. Tbh I can manage it knowing what the issue is, its when the OH drives it
  
Post #203236227th Feb 2019 11:35 am
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Danish
 


Member Since: 13 Jul 2016
Location: Manchester
Posts: 134

England 2014 Discovery 4 3.0 SDV6 HSE Auto LuxorDiscovery 4

It’s easy to fiit, just twist and remove but make sure it says Land Rover on the switch on the new one.
I fitted a cheap non genuine one and the brakes came on whilst driving . May of been the parking brake.
 D4 HSE
D3 HSE
D2 ex police upgraded to HSE
P38 
 
Post #203246627th Feb 2019 7:15 pm
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Dutchrockboy
 


Member Since: 16 Apr 2014
Location: Germany
Posts: 85

Germany 2014 LR4 3.0 SDV6 HSE Auto Bonatti GreyLR4

I changed my Switch (twice, because i turned ClockWise the first time).

I think i know why this switch has such big influence.
I noticed that when the Switch is not funktioning well, it is possible to put the Car into gear without pushing the brake. I could also put the Gear from F into R whilst driving without pushing the brake. The brakeswitch controls the little thingy that is blocking the shift stick.
This is not very healthy for the car so it will force you to drive slow. (Enginefailure, Lowering suspension)

When the Failure is intermittent you will not notice the failure, but the car will notice that something is not right, taking the drastic measures.

So, little switch, big influence.
  
Post #20336473rd Mar 2019 8:23 pm
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burn_azores
 


Member Since: 11 Sep 2018
Location: Zurich
Posts: 2

Switzerland 2007 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3
Correct PN

Hi all.

I need to order a new brake switch but I am not sure about the correct PN. There are 2 available which look similar. They're both original LR but are priced differently:
LR072647
XKB500110

Both are available at Rimmer Bros with no special note. On Britparts it says the XKB has been superseded by the LR.

Appreciate your help!

Best regards
  
Post #20501001st May 2019 7:12 pm
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Iguana
 


Member Since: 14 Oct 2013
Location: 'Sunny' Zomerset
Posts: 9402

Ukraine 

on my original D3, which was a MY08, I used part: XKB500110

Which did the job perfectly, I see you have a MY07 model, so I'm assuming it's the right one for you also Thumbs Up
 Iggy/Ieuan

Current LR =
2015 RR Sport Autobiography
&
1992 Land Rover Defender Camper

- Gone but not forgotten:
MY10 D4 GS
MY05 Disco 3 'S'
MY14 FL2 HSE manual in Blue
MY15 Disco 4 HSE Lux in Santorini Black
MY08 Disco 3 SE manual in Buck Blue
1960 Series 2 88" (No idea why I sold it!) 
 
Post #20501071st May 2019 7:23 pm
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