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Mot failure
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 14152

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

Hi John

Many thks for the info as that’s very helpful , great to hear u still have urs and understand with weighing up the options of repair or replace

Indeed was absolutely gutted when it failed on the rust issue, got to give my neighbour a shout to help me get the covers off

At least the chassis is in great nick after treating it with dinitrol

Often wondered why there arnt any drain holes in the sills and if it would help reduce rust issues

Had it coming up to 8 x years and amazed myself really of all the work that I’ve done on it to get it how I wanted , last year had all new brake discs, pads and calipers

Along with money of course, Whistle , but understand many of us do the same

Found a good 3/16” brake pipe cutting tool in my searches as I was looking for a roll of kunifer but of course won’t do anything seeing the rust issue will be my determining factor if it can be saved or not

Indeed great flaring tool and see it had the double flares pics on there as I think the single flares aren’t allowed

Did get a bush kit a few years ago when I done the upper rears , but bought them with the new bushes already in place , used it when I fitted a new hub bush

At the end of the day would be really upset,if I had to go , know it’s only a car but such a joy to drive

Many thks once again and will update the thread with some pics of the rust as soon as I gain access


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Post #237786822nd Sep 2024 4:33 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10728

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

I think the double flare is just the way to get the right shape on the end of the pipe, suitable for LR.

For example if it was a German or maybe Japanese car you may single flare
  
Post #237787222nd Sep 2024 5:38 am
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 14152

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

Bless u as always Pete , alas I always thought brake pipe had to have a double flares for high pressure systems , curiously don’t know what the pressures are between a high and low system

Indeed u saying that makes alot of sense according to the pictures where they show a concave and convex types of flares

Must confess never known what an average brake system produces pressure wise , will have to look it up , yeh I know I need to get out more Whistle


Thk again and have a great Sunday mate Thumbs Up
   
Post #237787622nd Sep 2024 6:32 am
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 14152

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

Well that’s resolved my curiosity Laughing

Even though we need to use generic values to calculate the brake fluid pressure, it typically remains somewhere between 300 PSI to 500 PSI during standard braking. However, it can be raised to 600 PSI if a person pushes the brake in panic or with a jerk.

In case of a complete panic stop, the measurement can reach up to 800 PSI on the rear brake and about 1500 PSI to 2000 PSI on the front brakes.

https://blogproautomotive.com/brake-fluid-...what-unit/
   
Post #237787822nd Sep 2024 7:15 am
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 5060

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

You can see the applied brake pressure with your GAP tool if want to satisfy your curiosity.

gstuart wrote:


Often wondered why there arnt any drain holes in the sills and if it would help reduce rust issues



There are drains Gary at the corrugations beneath the sills. They become blocked very easily and so annual cleaning and dressing is highly recommended. You don't have to remove the sill cover for access!

Hopefully it's not too late for you to address or repair and you'll have her back asap. Thumbs Up
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #237791322nd Sep 2024 2:03 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 14152

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

Hi mate

Many thks as always and do have some nozzles etc and drain kit that I can attach to my karcher to blast everything out and an endoscope to check inside the sills

Me to mate , as indeed after all the hard work fingers crossed it’s not too bad

Have found some outer and inner sill panels so at least that’s half the battle knowing I can get them if so req

Will of course update the thread once I gain access to the sills , moreover I hope it helps others in the future

Thks as didn’t know that about the gap iid

Very grateful as always my friend
   
Post #237795323rd Sep 2024 8:10 am
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 14152

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

Oh dear Big Cry Big Cry

The rear wheel arch is ok as peeled back the liner

Looks as though the inner lower part is the part that’s rusted away



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Post #23788233rd Oct 2024 8:16 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 14152

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

Found a picture of the inner construction of the sill


Click image to enlarge
  

Last edited by gstuart on 3rd Oct 2024 9:14 pm. Edited 1 time in total 
Post #23788313rd Oct 2024 9:08 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 5060

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Looks bad enough in places Gary but I'm surprised your MOT station didn't flag this earlier!!

That level of corrosion didn't happen since your last MOT, and had you been given a timely advisory you'd have had the opportunity to arrest the problem long before now.

Anyway, that's little comfort to you now, what will you do?
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #23788323rd Oct 2024 9:09 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 14152

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

Indeed my friend and really annoyed nothing was mentioned to me by the previous mot station as ur so right could have addressed it a lot earlier

Went to a new mot station Plus got to check the other side but nothing was mentioned however will get that sill cover off as well to double check

Think my deciding factor will be what the mobile welders says and costs

The new mot station said for them to do it would be a good 2K so that’s out

As a side note , see the chassis is solid so suppose that’s one saving grace and proves how well the dinitrol works

At the end of the day really upset as these sills may be the end of all the hard work that I’ve done for the last 8 x years where I’ve looked after it the best I could and putting things right

There’s also the rusty brake pipes front to back , assume they don’t rust over a 1 x year period , but of course that’s an easy fix in comparison
   
Post #23788363rd Oct 2024 9:24 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 14152

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

Forgot to add, inner and outer sills are £200:per side so can get them if the welder thinks it can be repaired at a reasonable cost

Hope this helps others in the future of ensuring the sills are checked yearly
   
Post #23788373rd Oct 2024 9:28 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 14152

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

Looks like that outer sill plate as been spot welded on and can see the lip along the top

Wonder if a dremel will zip through the spot welds ?


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Post #23788383rd Oct 2024 9:50 pm
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Jamiehol
 


Member Since: 13 Nov 2015
Location: Ipswich
Posts: 392

United Kingdom 

Outer sill is spot welded to the middle strengthening panel, I’d use a sport weld drill bit to separate the outer and middle panel.

Here is a couple of pictures from when I repaired the sills on mine about 18 months ago.




  
Post #23788424th Oct 2024 5:46 am
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 14152

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

Thk u so much as that’s very helpful

Cracking job u done there mate and will get some better pics during the day

I’ll then see if I can start stripping it back to try and make life easier for the welder in job and price

Thks again
   
Post #23788954th Oct 2024 7:08 pm
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Jamiehol
 


Member Since: 13 Nov 2015
Location: Ipswich
Posts: 392

United Kingdom 

Thanks, yes stripping back as much as you can to give a good view of what needs cutting is a good idea.

In my case it was only the back 18 inches, so I didn’t buy panels I just made them myself as I’ve got access to a small vice held sheet metal bender and they aren’t complicated panels. Once all the trim was removed etc I probably had a day of work to fab up and weld in the sill panels.

What took the time in my case was fabricating replacement panels for the inner wheel arch.
  
Post #23789205th Oct 2024 6:52 am
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