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broken rear suspension arm
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01coccobet
 


Member Since: 23 Feb 2009
Location: on air
Posts: 2624

Italy 2007 Discovery 3 TDV6 XS Auto Tangiers OrangeDiscovery 3

Hi all,

anobody found a different(better/stronger)spec of the failing bolt?

Any chance that LR had a new part number?

Thumbs Up
 figuring it out!!!!
the best feeling:getting airborne. 
 
Post #120355316th Dec 2013 9:45 pm
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IroningMan
 


Member Since: 25 Mar 2013
Location: Somerset
Posts: 135

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

I'm no engineer, but even with my deeply limited, Carroll Smith-derived knowledge, it seems poor practice for a bolt doing that kind of job to be threaded along its entire length.
  
Post #120378817th Dec 2013 11:56 am
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trots
 


Member Since: 04 Jul 2015
Location: Auckland
Posts: 41

New Zealand 2013 Discovery 4 TDV6 HSE Auto Corris GreyDiscovery 4

new bolt is only threaded part way through. RYG501580.
  
Post #178484828th Feb 2017 10:03 am
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Ezz
 


Member Since: 21 Feb 2011
Location: Swadlincote
Posts: 110


Surely they should recall and change to the new bolt..
  
Post #178488128th Feb 2017 11:01 am
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dgardel
 


Member Since: 03 Nov 2009
Location: Greater Venice
Posts: 2025

Italy 2014 Discovery 4 3.0 SDV6 XXV LE Auto Santorini BlackDiscovery 4

Stock LR bolt is rated 10.9, may be it will be better to change with a 12.9 rated bolt.....

https://www.accu.co.uk/en/hexagon-bolts/429792-SEB-M14-80-12-9
 Discovery 5 tdv6 HSE Corris Gray Outback Engineering Limited Edition

IID Pro MV License

 
 
Post #178492628th Feb 2017 1:06 pm
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Sidestick
 


Member Since: 22 Apr 2012
Location: Rome
Posts: 2288

Italy 2008 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Just installed... Whistle

 - Easy-Lift suspension module 4.0
- GoodWinch 9500 lb
- Full underbody protections
- Tree/Rock sidebars
- Prospeed roofrack & ladder
- Compressor guard
- Raised Air Intake
- Driving lights (2+4)
- 50 mm Waffle boards
- Altox Heater control
- Overland Rooftop Tent
- Rear seats entertainment
- Front & Rear camera
- GVIF
- Removable tow bar
- Cubby box fridge
- BFG KO2 265/65R17
- iidTool BT 
 
Post #215286110th Jun 2020 6:14 pm
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M3bobby
 


Member Since: 21 May 2018
Location: Sleaford, LINCS.
Posts: 857

United Kingdom 

Nice idea, but I wonder how insurance companies (UK) would view this and in your opinion, do you think you’ll know if the bolt shears with this device fitted or would it be a case of regular checks?
 012MY RRS 5.0 Supercharged Autobiography (Current)
Mods:
TPMS (Complete but got an issue)
Genuine LR DRLs (Complete)
Remote Boot close from key fob (Complete)
2016 Discovery 4 Mirrors AKA RRS2 (Complete)
2014 L405 Surround Camera retro fit (Now 2016 L319)
2013 RRS Dual View Screen fit (Complete)
2016 LR4 RSE (Complete)
2014 LR4 Homelink (Complete)
2016 FFRR Electrochromatic Wing Mirror Glass (Complete) 
 
Post #215385914th Jun 2020 10:27 am
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Sidestick
 


Member Since: 22 Apr 2012
Location: Rome
Posts: 2288

Italy 2008 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

In my case, the bolt has been bent during an off road session and i have driven the car for about 5000 km before the crack, happened while driving on a rough road in 3rd low gear where the bolt has collapsed and my rear wheel sway away from a straight line...

I really don’t know about Mot or insurance, but these brackets certainly improve the safety of the car, i don’t want to think about if this cheap and single bolt is going to collapse on highway Shocked

With brackets installed the possibility of bending the bolt is really remote Thumbs Up
 - Easy-Lift suspension module 4.0
- GoodWinch 9500 lb
- Full underbody protections
- Tree/Rock sidebars
- Prospeed roofrack & ladder
- Compressor guard
- Raised Air Intake
- Driving lights (2+4)
- 50 mm Waffle boards
- Altox Heater control
- Overland Rooftop Tent
- Rear seats entertainment
- Front & Rear camera
- GVIF
- Removable tow bar
- Cubby box fridge
- BFG KO2 265/65R17
- iidTool BT 
 
Post #215398514th Jun 2020 9:30 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20727

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Presumably, when fitted, even if the bolt were to break, the angle would keep the arm pressed into the hub?
 My D3 Build Thread

TDV8 Retrofit Build Thread 
 
Post #215398714th Jun 2020 9:38 pm
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Sidestick
 


Member Since: 22 Apr 2012
Location: Rome
Posts: 2288

Italy 2008 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

No Mikey, that is a consequence of,
The bracket is focused on the avoidance of bending the bolt end due to impact in offroad or while offroading with heavier wheels and extra height.
For this reason the bracket secure the bolt just under his head, so the total force from the rod is not applied only to the end but on the end and the head (of the bolt), avoiding any possibility to bend the bolt.
A bent over bolt is stressed at every articulation of the rear arm via the alignment rod and as like as an iron wire it will collapse sooner or later... Shocked

Usually rear independent suspensions has “multi” link rods to maintain the wheel aligned... on our D3/4 this is demanded to a single rod fixed to the wheel hub via the end (few mm) of a bolt Confused
In my opinion this is not so safe.

P.S. just to clarify that i’m not a sponsor and i’m not involved in any business with brackets maker Wink
 - Easy-Lift suspension module 4.0
- GoodWinch 9500 lb
- Full underbody protections
- Tree/Rock sidebars
- Prospeed roofrack & ladder
- Compressor guard
- Raised Air Intake
- Driving lights (2+4)
- 50 mm Waffle boards
- Altox Heater control
- Overland Rooftop Tent
- Rear seats entertainment
- Front & Rear camera
- GVIF
- Removable tow bar
- Cubby box fridge
- BFG KO2 265/65R17
- iidTool BT 
 
Post #215408615th Jun 2020 11:51 am
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Bell60
 


Member Since: 01 Oct 2017
Location: Bergamo
Posts: 3

Italy 2008 Discovery 3 TDV6 SE Auto Buckingham BlueDiscovery 3

Just installed them too ...
  
Post #215600422nd Jun 2020 8:26 pm
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