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Discovery 3 rear brake pipe replacement guide
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mahoneyt
 


Member Since: 02 Feb 2016
Location: northants
Posts: 30

United Kingdom 
Discovery 3 rear brake pipe replacement guide

Hi everyone, one of my rear brake pipes bust this afternoon on the discovery 3 ☹️please could someone give me some advice or guide on how to replace and how straight forward the whole process will be? Will I need to remove exhaust or other parts to access/replace them or can this be done without removing other components on the vehicle.

Also, can I just purchase a rear brake pipe kit that will have all the pipes already bent to shape with the pipes flared and nuts etc?

Thanks in advance for any advice.
  
Post #222536118th Apr 2021 7:00 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13576

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Hi

Ouch, bet that was frightening , here’s a few links

https://www.disco3.co.uk/forum/topic178437...rake+pipes

https://www.disco3.co.uk/forum/look-rear-b...rake+pipes

https://www.disco3.co.uk/forum/discovery-3...rake+pipes

There’s also some other links, just search for rear brake pipes, plus from what I’ve read many have just bought a roll of kunifer brake pipe and bent / flared it all themselves

Will also need to buy a flaring tool to flare the steel pipe, the pre bent kits are steel and I believe if they’re used the body needs to be removed, so that’s why many just use kunifer

I’ve personally replaced the rear brakes hoses but not the brake pipes, theres 3 x each side

Also ref brake fluid Ur need Dot 4 class 6 , plus if u allow air to enter the ABS module i believe u need diagnostic to help bleed it , but more knowledgeable members will be able to confirm that for u

Hope that helps


  

Last edited by gstuart on 20th Apr 2021 1:34 pm. Edited 1 time in total 
Post #222536618th Apr 2021 7:21 pm
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highlands
 


Member Since: 10 Jan 2010
Location: NW Highlands
Posts: 5085

Ukraine 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

[DOT 6]

I understand it's DOT4, class 6, which the Comma DOT 4 ESP claims to meet.
This type of flaring tool works well in the confined space under the car:
https://www.ebay.co.uk/itm/Brake-Pipe-Flar...1035636166
 Black 05 TDV6 HSE Auto
Grey 05 TDV6 HSE Auto (Gone)
54 TDV6 SE Man (killed by me Sad
 
Post #222537918th Apr 2021 8:07 pm
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mahoneyt
 


Member Since: 02 Feb 2016
Location: northants
Posts: 30

United Kingdom 

GStuart, thanks for the helpful links and brake pipe set. I think it could be possible the pipes displayed is one of the offending pipes that has burst as it look like it was weeping passenger's side rear just after the Felxi, which luckily went pop whilst I was under the vehicle doing a rewind on the rear parking brake module, gave the missus a laugh 😂 Although was a bit cautious bringing off the ramps as it was Censored out and spongy as I came off then I just backed it up left it there, so hopefully I haven't got any air in the system, fingers crossed 🤞

Hopefully I can get away just replacing the flexis and pipes you have show in the kiy, if that is the case, are these pretty straightforward to replace and will I still need a diagnostic kit to bleed?

Thanks.
  
Post #222538318th Apr 2021 8:21 pm
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motorworks
 


Member Since: 14 Nov 2019
Location: Usk
Posts: 401

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Obviously, brake pipes/hoses should be replaced before they fail. Part of MOT brake test is to press the brake pedal as hard as possible, which would have probably resulted in the same leak.

You should carefully check the long brake pipes which run from rear flexi joints to the front, before they go under cover of heatshields. May be a good idea to arrange an MOT after the brake repairs.
 Chris  
Post #222539018th Apr 2021 8:50 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13576

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

highlands wrote:
[DOT 6]

I understand it's DOT4, class 6, which the Comma DOT 4 ESP claims to meet.
This type of flaring tool works well in the confined space under the car:
https://www.ebay.co.uk/itm/Brake-Pipe-Flar...1035636166


Whistle Whistle , oops, many thanks and ur right , is indeed dot 4 class 6 changed accordingly

I’ll get my coat Laughing
  

Last edited by gstuart on 20th Apr 2021 2:11 pm. Edited 1 time in total 
Post #222576020th Apr 2021 1:35 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13576

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

mahoneyt wrote:
GStuart, thanks for the helpful links and brake pipe set. I think it could be possible the pipes displayed is one of the offending pipes that has burst as it look like it was weeping passenger's side rear just after the Felxi, which luckily went pop whilst I was under the vehicle doing a rewind on the rear parking brake module, gave the missus a laugh 😂 Although was a bit cautious bringing off the ramps as it was Censored out and spongy as I came off then I just backed it up left it there, so hopefully I haven't got any air in the system, fingers crossed 🤞

Hopefully I can get away just replacing the flexis and pipes you have show in the kiy, if that is the case, are these pretty straightforward to replace and will I still need a diagnostic kit to bleed?

Thanks.


Hi

No probs and great it helped

I done mine when I replaced my rear wishbones, was easy until I got where the top flexi hose connected onto the ridged pipe, the nut wouldn't undo , therefore had to cut the nut off and reflare it with a bubble type joint

Used the similar type of flaring tool as per @highlands link, worked perfectly , I just bought 4.75 Din, I believe they are virtually identical to the 3/16 didn’t need diagnostics as I put some clingfilm and the cap back on the brake master cylinder to prevent fluid from escaping and therefore keeping enough in the system

I then removed the cling film after replacing front and rear hoses then used a vacuum bleeder to change the entire systems brake fluid

Apologises as I made a mistake regarding the brake fluid , it’s dot 4 class 6

When u get new brake hoses and the small intermediate brake pipe I also fitted new stainless steel hose securing clips and new brake pipe nuts

Hope that helps
   
Post #222576220th Apr 2021 1:44 pm
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terryall
 


Member Since: 17 Jun 2011
Location: Whitstable
Posts: 1426

United Kingdom 2009 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

Excuse jumping on your thread but I’ve just been wuoted £400/500 to replace both rear pipes. Is that reasonable?
  
Post #223061917th May 2021 9:31 am
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Bungle
 


Member Since: 07 Apr 2015
Location: Wanborough
Posts: 254

United Kingdom 2005 Discovery 3 4.4 V8 HSE Auto Cairns BlueDiscovery 3

Quote:
Excuse jumping on your thread but I’ve just been wuoted £400/500 to replace both rear pipes. Is that reasonable?


Assuming it is the full front to back set then yes. Landrover say it is a body off job! Normally people do it with the body still on (unless they are taking it off for some other reason) but it is fiddly.
  
Post #223062617th May 2021 10:02 am
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terryall
 


Member Since: 17 Jun 2011
Location: Whitstable
Posts: 1426

United Kingdom 2009 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

They did say LR recommend body off but they said they would cut the pipes in the middle and that was the quote £400/500.
  
Post #223065217th May 2021 11:09 am
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Bungle
 


Member Since: 07 Apr 2015
Location: Wanborough
Posts: 254

United Kingdom 2005 Discovery 3 4.4 V8 HSE Auto Cairns BlueDiscovery 3

In that case the price doesn't seem unreasonable. I presume they are not re-fitting steel pipes? It beggars belief that LR fitted steel in the first place given how inaccessible they are to change. Go for copper/nickel and you can fit/forget for the life of the car, also it is much easier to flare/join/shape than steel.
  
Post #223066117th May 2021 11:26 am
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terryall
 


Member Since: 17 Jun 2011
Location: Whitstable
Posts: 1426

United Kingdom 2009 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

Many thanks for advice.
  
Post #223067917th May 2021 1:04 pm
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Doughboy
 


Member Since: 04 Aug 2020
Location: Tamworth
Posts: 90

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Manual Baltic BlueDiscovery 3

I did mine last month just before mot. Used halfords parts and flair kit and all fine. The join is around the back door area under the heat shield.
All in it cost 60quid.. Previous owner paid 200 for drivers side 3years ago.
I've got enough copper pipe left to replace everything pretty much.. And unions..
If you buy or own an older car it can be really uneconomical if you can't do this or other jobs yourself.
My ns follows the original pipe using original pipe clips to body.
Rich
  
Post #223068417th May 2021 1:37 pm
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