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DISCO3.CO.UK > Technical

Go and check your tailgate struts now!
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Page 11 of 12 <123 ... 101112>
When you went to check your struts what did you find?
Both struts loose
6%
 6%  [18]
Left strut loose
0%
 0%  [2]
Right strut loose
38%
 38%  [101]
Both struts tight
53%
 53%  [140]
Total Votes: 261

simon
  


Joined: 11 Jan 2005
Location: You'll never know
Posts: 13637

2008 Discovery 3 TDV6 XS Manual Stornoway Grey

The issue is very well known by the dealer channel (or should be). It was part of an enhancement program LR did on all D3's and RRS waaay back in the day.

The nuts should be checked and a locking glue applied from what I recall.
  
Post #237901Fri Dec 28 2007 2:58pm
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sidney
 


Joined: 08 Dec 2007
Location: Hereford
Posts: 268

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Bonatti Grey

Mines an 05, doesnt look like its had anything done. Wish Id seen this thread earlier, but wasnt expecting anything to fall off 2 weeks after it went went throught he workshop prior to being sold. Oh well, Censored happens! They couldnt tell me how long it would take to sort.They were pretty helpfull though and fitted me in next week, and are going to sort me out with an auto freelander2 due to leg problems (ie they dont work!). Cant tow with it which is a bit of a pain as I need to move my digger around a bit next week, but could be worse. Dad has been making noises about buying a freelander 2 so at least we can can give that a good going over to help him make up his mind.
  
Post #237906Fri Dec 28 2007 3:37pm
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ronp
 


Joined: 29 Nov 2006
Location: Over the Edge!!
Posts: 3726

Scotland 2005 Discovery 3 TDV6 SE Auto Java Black

simon wrote:
The issue is very well known by the dealer channel (or should be). It was part of an enhancement program LR did on all D3's and RRS waaay back in the day.

The nuts should be checked and a locking glue applied from what I recall.


Well they certainly missed mine!!!
Found out on my 05 in Oct when washing between the tailgate.
It was the RH one and it was out a good way, but I was able to tighten up without any damage.
Brought to dealers attention when booked in for service and asked [as they had missed this one] to check that all other enhancements had been done.
They did!
BUT, in doing so, they overwrote my performance upgrade!!!
Evil or Very Mad
 .
Morphy Richards 450w "Dual" Food Processor
[complete with addittional bowl and changeable blades]
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Java Black "The BEAST" 
 
Post #237908Fri Dec 28 2007 3:47pm
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shiny moose
 


Joined: 13 Nov 2007
Location: Capital of Mercia
Posts: 926

England 2006 Discovery 3 TDV6 S Manual Zermatt Silver

When I am back after the xmas break I'll go in and see the guy who heads up fastener standards in Gaydon, find the part number and see what locking patch if any is specified. If they are using a fluid locktite then it is a dealer fix, they do not usually use this lineside

I can't remember the exact number or scheme, but the factory (i am told by the guys their) get a list of warranty issues, the one with the most reported issues (cost) gets the most attention. As my company produce coatings and locking system for the fasteners we get call in to advise.

In years gone by, you would have a locking washer or patch on every fastener, these days for cheapness they only put them on fasteners which are likley to come undone, this means they miss a few. And we have up spec'd a few on Disco 3, I would have thought LR would have fixed this by now, as we are working on problems with L359 at present.
 Silver TDV6 S with sat nav, PTI and Moosed up a bit


"PROGRESS IS MANS ABILITY TO COMPLICATE SIMPLICITY" 
 
Post #237954Fri Dec 28 2007 6:41pm
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Gareth
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Joined: 07 Dec 2004
Location: Bob the Builders 'ere
Posts: 9351

England 2005 Discovery 3 TDV6 HSE Auto Zambezi Silver

The problem is caused by the tendency of the tailgate strut to rotate the post counter-clockwise as the tailgate raises. The post seems to slowly undo over time.

The weight of the tailgate hides the loose post. Only when you lift the tailgate up against the extreme travel of the strut does the fault become apparent. The left hand post does not undo, as the tendency is for the strut to tighten it as the tailgate raises. Why the right hand strut is not tightened up by the closing tailgate I don't know, but I'm sure there is a scientific reason for this.

On mine, there was no locking device visible, and the loose post eventually ripped the fastener out of the bodywork. The surrounding metal was also very fatigued, and required a reinforcing patch on the inside of the pillar.

I reckon a simple star washer would have held it. Once it has failed, or become loose I suspect loctite will only be effective if the whole thing is degreased properly. As its difficult to access the captive nut, then this may be the reason some struts are coming loose again.

I check mine regularly, and it still needs nipping up once a month or so.
 Silver TDV6 HSE
Pepper White Cooper S Convertible
Old English White MGB GT
Ex Military 109 Series 2a Soft Top 
 
Post #237958Fri Dec 28 2007 6:51pm
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ronp
 


Joined: 29 Nov 2006
Location: Over the Edge!!
Posts: 3726

Scotland 2005 Discovery 3 TDV6 SE Auto Java Black

Oddly, looking at the results of the pole [on this thread] it seems it's specific to the Right strut.
Why would that be - a skiver on the production line maybe?

edit: just saw your post there Gareth, maybe that explains it.

Both struts loose
6% [16]
Left strut loose
0% [2]
Right strut loose
39% [94]
Both struts tight
53% [127]

Total Votes: 239
 .
Morphy Richards 450w "Dual" Food Processor
[complete with addittional bowl and changeable blades]
Only £19.99 at a store near you!
.
.
.
Java Black "The BEAST" 


Last edited by ronp on Fri Dec 28 2007 6:55pm; edited 1 time in total 
Post #237959Fri Dec 28 2007 6:53pm
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Gareth
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Joined: 07 Dec 2004
Location: Bob the Builders 'ere
Posts: 9351

England 2005 Discovery 3 TDV6 HSE Auto Zambezi Silver

Laws of physics Ron Laughing
 Silver TDV6 HSE
Pepper White Cooper S Convertible
Old English White MGB GT
Ex Military 109 Series 2a Soft Top 
 
Post #237960Fri Dec 28 2007 6:54pm
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simon
  


Joined: 11 Jan 2005
Location: You'll never know
Posts: 13637

2008 Discovery 3 TDV6 XS Manual Stornoway Grey

I think G just explained it ron Wink

Will check mine in the daylight tomorrow as its now out of warranty for the next 4-5 weeks of ownership.
  
Post #237963Fri Dec 28 2007 6:57pm
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shiny moose
 


Joined: 13 Nov 2007
Location: Capital of Mercia
Posts: 926

England 2006 Discovery 3 TDV6 S Manual Zermatt Silver

It could be a number of reason that allow the movement of the tailgate to turn it, however it should not come loose in the first place.

I am guessing, [although I see if I can go down the line and have a look.] that the power tool they are using is the same for both sides, the method they will be working on is torque and angle. the special bolt will be from the same source, as will the washer, so it must be the body work on the one side.

I have just been outside and checked mine - both tight, there are a number of possible failure points, the first area for LR to check is the jig that holds the nut plate onto the body panel. it looks to me, the fastener is squeezing the body panel and nut plate together, and before they are tight up against each other it is reaching torque, the supposing locking angle is then applied.

This has left the fastener susceptible to torque relaxation as the body panel flexes slightly though use.
If the fastener is UK sourced I'll get hold of a few hundred and patch them.
 Silver TDV6 S with sat nav, PTI and Moosed up a bit


"PROGRESS IS MANS ABILITY TO COMPLICATE SIMPLICITY" 
 
Post #237978Fri Dec 28 2007 7:31pm
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Gareth
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Joined: 07 Dec 2004
Location: Bob the Builders 'ere
Posts: 9351

England 2005 Discovery 3 TDV6 HSE Auto Zambezi Silver

Shiny Moose, this thread is coming the full circle Laughing have you read the first few posts in the thread? I think your theory about torque relaxation is correct, and you have come up with the possible reason Thumbs Up
 Silver TDV6 HSE
Pepper White Cooper S Convertible
Old English White MGB GT
Ex Military 109 Series 2a Soft Top 
 
Post #238002Fri Dec 28 2007 8:14pm
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shiny moose
 


Joined: 13 Nov 2007
Location: Capital of Mercia
Posts: 926

England 2006 Discovery 3 TDV6 S Manual Zermatt Silver

What I do not understand is why it has not been fixed, I know it cost circa £5k to change a part number on a drawing, but that is nothing compared to warranty costs.

When I am back at work I'll get some tech bod to check the torque off, to see if mine have relaxation issues starting to occur.

In theory the bolt should be done up to (clamping load) 75% of the proof load for the property class of bolt. I will let you know what I find out the tail end of next week
 Silver TDV6 S with sat nav, PTI and Moosed up a bit


"PROGRESS IS MANS ABILITY TO COMPLICATE SIMPLICITY" 
 
Post #238046Fri Dec 28 2007 10:17pm
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Gareth
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Joined: 07 Dec 2004
Location: Bob the Builders 'ere
Posts: 9351

England 2005 Discovery 3 TDV6 HSE Auto Zambezi Silver

Thumbs Up
 Silver TDV6 HSE
Pepper White Cooper S Convertible
Old English White MGB GT
Ex Military 109 Series 2a Soft Top 
 
Post #238053Fri Dec 28 2007 10:26pm
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Slimer
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Joined: 06 Jan 2005
Location: Nanny State
Posts: 11628

United Kingdom 2008 Discovery 3 TDV6 SE Manual Chawton White

shiny moose wrote:
What I do not understand is why it has not been fixed
Err, why do you think it hasn't? I'm not aware of anything newer than an 06MY having 'suffered' Confused  
Post #238057Fri Dec 28 2007 10:31pm
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shiny moose
 


Joined: 13 Nov 2007
Location: Capital of Mercia
Posts: 926

England 2006 Discovery 3 TDV6 S Manual Zermatt Silver

I don't - just interested to find out Very Happy
 Silver TDV6 S with sat nav, PTI and Moosed up a bit


"PROGRESS IS MANS ABILITY TO COMPLICATE SIMPLICITY" 
 
Post #238061Fri Dec 28 2007 10:35pm
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simon
  


Joined: 11 Jan 2005
Location: You'll never know
Posts: 13637

2008 Discovery 3 TDV6 XS Manual Stornoway Grey

Off Topic but on topic...

This thread has had 20,283 viewings Shocked Shocked
  
Post #238081Fri Dec 28 2007 11:40pm
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