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Chassis Repairs - MOT fail due to corrosion
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adam
 


Member Since: 20 Sep 2005
Location: Home and Happy
Posts: 6917

United Kingdom 

Assuming it’s your original D3, that’s the problem with plastic covers over bodywork on areas such as sills - they hide a multitude of sins. I naively assumed mine would have been pristine underneath the covers as it had never been off-road until I checked following somebody posting a picture on here - couldn’t believe the crap that came out when I cleaned them. Kept meaning to remove the plastic and do a proper piece of mind clean and protect but never got around to it. Would have thought it’s repairable though?
 Now Golf GTI PP, 7 speed DSG.
Ex D3 and D4 
 
Post #202330829th Jan 2019 3:03 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20732

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

SPOTTER wrote:
yes........... its whole life....


So had this one... The step brackets flex, scratch the paint, expose the bare metal, which rusts...





 My D3 Build Thread

TDV8 Retrofit Build Thread 
 
Post #202337629th Jan 2019 7:19 pm
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NC500
 


Member Since: 18 Sep 2017
Location: On the NC500
Posts: 497

Scotland 2014 Discovery 4 3.0 SDV6 HSE Auto Firenze RedDiscovery 4

Unbelievable!!

I wouldn’t believe it if I didn’t see it!

When I fitted mine I injected wax in the sill cavity and coated the external surfaces with Dinitrol. Just hopes this fends off the corrosion.

😟
  
Post #202341729th Jan 2019 9:01 pm
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SPOTTER
 


Member Since: 06 Dec 2006
Location: Adrift........
Posts: 3095

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

DM, sort of glad it isn't just me. May I ask what remedial action was taken for the red one?........it just doesn't look an easy fix to me inexperienced eye. Is that sill its own part of is a section of a much larger bit of the monocoque? Many thanks. S
 end of an era ....... maybe a Defender when it appears.......  
Post #202353730th Jan 2019 7:27 am
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J428 TGS
 


Member Since: 13 Nov 2015
Location: Shetland
Posts: 100

Scotland 2007 Discovery 3 TDV6 Commercial XS Manual Stornoway GreyDiscovery 3

This was my holes, the chassis legs was just pin prick holes still needed a patch








  
Post #202359830th Jan 2019 11:32 am
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kayble
 


Member Since: 01 Aug 2015
Location: Lincolnshire
Posts: 147

United Kingdom 2005 Discovery 3 TDV6 S Manual Java BlackDiscovery 3

makes me think being proactive and checking under sill covers is definitely the way to go.

I did just that back in 2016:

Quote:
kayble wrote:
I'll be the first to volunteer:

looking down the nearside sill:

Click image to enlarge


Click image to enlarge


The above was after a quick wire brush to remove loose paint and surface rust. All entirely solid, but surface corrosion appearing where paint has given way and metal has been submerged in years of horse poo and mud.

I didn't get a before picture of the OS sill but it was very similar - bubbling paint and surface corrosion on areas where paintwork had been removed through chafing between the sill and the trim - slightly worse toward the rear of the sill where it had been caked in crud. Here's some after shots - after wirebrush, 3x coats of java black from a rattle can and 2x coats of hammerite stone chip shield:

Click image to enlarge


Click image to enlarge


Click image to enlarge


Click image to enlarge


To be honest I was chuffed with mine - an early '05 car and all solid - requiring only a scrub/paint/seal.

Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated Mr. Green


I reinspected nearside a few months ago and it's still looking good. Decided to also remove the rear wheel arch cover and am glad I did - surface rust took care of with a wire brush, prime, paint etc - also went the length of the sill with some dynax spray.

OS to look at again - once the weather warms up.
  
Post #202403831st Jan 2019 4:29 pm
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SPOTTER
 


Member Since: 06 Dec 2006
Location: Adrift........
Posts: 3095

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3




Bit of an update, it has been "written off" now due to extent of integrity loss making it uneconomic to repair. As it originally went to a LR bodyshop, the estimating tool "tells" you that the most economic repair is a new bodyshell!! ( I did consider Whistle but they are now obsolete)

Looking at finding a classic car place who can actually weld it up now.....anyway know a proper place in Hampshire. It is structural but it isn't exactly complex shapes!

Still not clear why mine is so bad in the sill sand compared to the rest of it! I have looked at several now and the common theme is the sills and chassis look equally disreputable.
 end of an era ....... maybe a Defender when it appears.......  
Post #202929417th Feb 2019 8:18 am
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kajtzu
 


Member Since: 11 Aug 2017
Location: Helsinki
Posts: 6575

Finland 2005 Discovery 3 4.4 V8 HSE Auto Cairns BlueDiscovery 3

Shocked
  
Post #202929917th Feb 2019 8:42 am
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Gareth
Site Moderator 


Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26702

United Kingdom 

Looks like my old Ford Cortina did when it went to meet its maker in the sky! You would think that modern construction methods would have learnt a bit about rust traps!
  
Post #202930117th Feb 2019 8:46 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10367

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

As that is not part of the cars structure like a normal car, I would have thought you would of gotten away with that? That is only the cab not the chassis (as the body is removal-able)
  
Post #202932617th Feb 2019 11:18 am
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SteveNorman
 


Member Since: 14 Oct 2005
Location: Somerset
Posts: 1144

United Kingdom 

I suspect it'll be near the seatbelt mounting points, thus a failure?
  
Post #202939917th Feb 2019 4:20 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10367

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

good point.

they worry about seat mounting points and stuff Laughing
  
Post #202940417th Feb 2019 4:28 pm
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sarumlight
 


Member Since: 07 Nov 2008
Location: Off the Plain
Posts: 1590

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Wondering what’s under my sill protectors now. Think they need to come off for a look this summer!
  
Post #202940517th Feb 2019 4:30 pm
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NoDo$h
 


Member Since: 02 May 2006
Location: Finding new and exciting ways to milk badgers.
Posts: 19689

Ukraine 

If you don't look there's no problem Whistle
 I know it's not considered "kind" to say no these days, but no. Just no, ok? And if it's not ok, still no.  
Post #202942617th Feb 2019 5:16 pm
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sarumlight
 


Member Since: 07 Nov 2008
Location: Off the Plain
Posts: 1590

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

True, and the MoT inspector can’t see either. What’s the problem?
  
Post #202942817th Feb 2019 5:32 pm
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