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Front to rear brake pipes
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HairyFool
 


Member Since: 04 Jan 2023
Location: Essex
Posts: 526

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto ZanzibarDiscovery 4
Front to rear brake pipes

A recent dealer inspection picked up a few minor issues but also reported excessive corrosion of the front to rear brake pipes as a major problem as they pass over the rear diff (and a eye watering cost to replace).

On the JLR Classic parts list it shows the two full length pipes as expected but also two service parts which look like just the rear section of the complete pipes. Has anyone fitted these "service" pipes to answer these questions?

Q1. I can see no join in the full length pipes in the drawing so does fitting the service pipes require cutting the original pipes and flaring them to make a join?

Q2. How far forward do the service pipes go? i.e are they long enough to go over the diff and presumably remove the corroded sections?
 A visitor from the dark side, my other vehicle is an MG5 EV  
Post #236265622nd Feb 2024 1:02 am
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Sylvester19
 


Member Since: 18 Jul 2020
Location: Central Scotland
Posts: 113

Ukraine 2016 Discovery 4 3.0 TDV6 Landmark LE Auto Indus SilverDiscovery 4

Have a look at this post, if you use the search function a few more will come up, pipes require cutting and flared, there's no join from factory.

https://www.disco3.co.uk/forum/rear-brake-...rake+pipes
  
Post #236265722nd Feb 2024 1:25 am
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Capripaul
 


Member Since: 20 Nov 2018
Location: Liverpool
Posts: 62

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

I did this repair on mine a few years back, someone gave me one of the Landrover repair sections and where you need to make the join is a bit of a pain if your lying on your back under the car as I think it joined up somewhere near the rear suspension, doable but awkward. I made my own up and made the joins under the heat shield at the side of the car.

Cheers
Paul
  
Post #236267822nd Feb 2024 11:47 am
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itsaguything
 


Member Since: 20 Dec 2023
Location: Manotick, On
Posts: 146

Canada 2015 LR4 3.0 SCV6 HSE Lux Auto Aintree GreenLR4

Two schools of thought on this one.
Some use the LR parts… and some use generic lines.
I’m an oem kind of person but my best friend is able to maintain his on a shoestring compared to me.
He ran new generic lines along side the bypassed factory lines. (just like @capripaul) And covered them in paint to reduce the rusting effect.

And no need to separate the body from the frame, LOL.

Cheers.
 2015 LR4 HSE Lux Aintree Green
2013 LR2 HSE Radiance Red
2007 XKR Jaguar Racing Green
2005 XJR Jaguar Racing Green
2002 S-Type R British Racing Green 
 
Post #236269222nd Feb 2024 2:14 pm
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HairyFool
 


Member Since: 04 Jan 2023
Location: Essex
Posts: 526

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto ZanzibarDiscovery 4

Just watched LRTime and it looks like Christian opted for the same His joint is well into the flat run under the floor, protected by the heat shield.

He also thanked the TUV (MoT) inspector that failed the corroded brake pipes. The simple act of unclipping the pipes and scrape the rust with a nail was enough break the pipe and cause a leak.
 A visitor from the dark side, my other vehicle is an MG5 EV  
Post #236269522nd Feb 2024 2:23 pm
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