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Q393-Detachable Towbar & LR Letter ***ALL HERE***
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Redgull
 


Member Since: 30 Aug 2013
Location: East Sussex
Posts: 1127

2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

i bought mine 2 years ago, its a 55 reg,so 10 yrs old, there is a little play in the towbar,are you saying i can still contact them after 10 yrs about this, if work is needed ie cross member/towbar who picks up the bill !!
  
Post #141434425th Jan 2015 8:48 pm
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DG
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Member Since: 12 Dec 2005
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Wales 

It's a good idea if people read the whole thread Wink
 21 year LR veteran > D2 GS 2003 > D3 S 2006 > D3 HSE 2009 > D4 HSE 2013 > D4 HSE 2015 > D5 HSE 2018 > DS HSE R-Dynamic P300e 2021  
Post #141434725th Jan 2015 8:52 pm
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Robbie
 


Member Since: 05 Feb 2006
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United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

Do you need my paper bag DG?
 Land Rover - Turning Drivers into Mechanics Since 1948

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Post #141435725th Jan 2015 9:04 pm
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DG
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Wales 

You are going to need a bigger bag Whistle Laughing
 21 year LR veteran > D2 GS 2003 > D3 S 2006 > D3 HSE 2009 > D4 HSE 2013 > D4 HSE 2015 > D5 HSE 2018 > DS HSE R-Dynamic P300e 2021  
Post #141436125th Jan 2015 9:09 pm
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jc_uk
 


Member Since: 19 Apr 2007
Location: Cumbria
Posts: 315

United Kingdom 

Hi again,

What read all 20 pages........
I just want the info......

Already emailed LR to complain about this again.....
My car at the time (2012) was still in extended LR warranty.
Not had any call/recall on this.
Both LR and local dealer knew I was happy with the tow ball......
Not very happy/impressed......

So long story short - are LR still replacing these with the fixed model?

Thanks
JC
  
Post #141437425th Jan 2015 9:20 pm
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DG
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Member Since: 12 Dec 2005
Location: The Gaff
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Wales 

Thud

Well if you can't be arsed then maybe wait until they send you the letter ...get someone to read it to you Thumbs Up
 21 year LR veteran > D2 GS 2003 > D3 S 2006 > D3 HSE 2009 > D4 HSE 2013 > D4 HSE 2015 > D5 HSE 2018 > DS HSE R-Dynamic P300e 2021 

Last edited by DG on 25th Jan 2015 9:30 pm. Edited 1 time in total 
Post #141437925th Jan 2015 9:28 pm
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Redgull
 


Member Since: 30 Aug 2013
Location: East Sussex
Posts: 1127

2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

good luck in getting an awnser, i think it must be somewere in the 20 pages Thumbs Up Wink
  
Post #141438125th Jan 2015 9:29 pm
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DG
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Member Since: 12 Dec 2005
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Wales 

All you need to know is that the action in the second post in the thread has been suspended ....wait for further instructions Rolling Eyes
 21 year LR veteran > D2 GS 2003 > D3 S 2006 > D3 HSE 2009 > D4 HSE 2013 > D4 HSE 2015 > D5 HSE 2018 > DS HSE R-Dynamic P300e 2021  
Post #141438725th Jan 2015 9:33 pm
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Robbie
 


Member Since: 05 Feb 2006
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United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

jc_uk wrote:
What read all 20 pages........
I just want the info......


You do realise this is a forum that relies on participation of the membership to help others?

How about you find all the answers and post the summary for the benefit of others. Demanding that others do the work for you is a little bit rude. You could, at least, have read the first page or so. People made an effort to post pertinent information for you and the subsequent posts reflect the problems encountered and JLR suspending the campaign.

The forum is a team sport, feel free to join in when you are ready!
 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise


 
 
Post #141439525th Jan 2015 9:48 pm
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jc_uk
 


Member Since: 19 Apr 2007
Location: Cumbria
Posts: 315

United Kingdom 

Hi,

Lighten up. It is Sunday evening.

I am joining in and trying not to be rude...... as I have already done on the other 100+ posts I have contributed to.
Wasn't aware I was demanding anything, just asking for opinions/experiences, and contributing my own experience and feedback received from LR on this from years ago.

And asking one simple question - are LR still replacing the tow balls.....
Thanks to DG for the most informative/useful/polite reply (and possibly the rudest earlier) this fine evening.

Come on, 20 pages of responses...... Really!
I read (yes I can read and have been able to for quite some time) through the first 3 pages and then jumped to the end when I lost the will to read on due to the off topic stuff that started to come in.

Found the one I wanted to read eventually, on page 6, or was it 7...... or 17 - lost count/interest.

I'll post back when I hear back from LR and the dealer, if they ever write to me and I can be bothered to read the letter - just hope it isn't 20 pages long or no chance.

I've actually looking to buy a fixed tow bar for the past few months as I am fed up with all the rattling from my tow ball (5+ years since I first noticed it, and was told at the time and since that it is quite normal and ok and nothing to worry about, by LR and the local dealer) and I was going to send the invoice to LR....
Looks like I may not have to do this now if they can get their side sorted out.

BTW (just asking, not demanding anything) have there been any known/reported fatalities with regard to this issue? I've read about a lot of serious incidents, mainly with horses and mini-diggers but no fatalities fortunately.

My 2 cent - I find it strange that the D3 was billed as the best tow car in the world, yet the simple task of connecting it to a trailer is/was beyond LR.

(Similar issues with the spare wheel winch - but there are about 1000 pages on that buried in the forum. And the front driver windows mechanism that break when the door closes....
And did I mention the Hitachi compressor...... and ERG valves.....)

Sorry for going off-topic, that what happens when contributing (aka Ranting and Raving).

ATB
JC
  
Post #141441625th Jan 2015 10:17 pm
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DG
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Member Since: 12 Dec 2005
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Wales 

I felt both replies were perfectly relevant Smile Thumbs Up
 21 year LR veteran > D2 GS 2003 > D3 S 2006 > D3 HSE 2009 > D4 HSE 2013 > D4 HSE 2015 > D5 HSE 2018 > DS HSE R-Dynamic P300e 2021  
Post #141441925th Jan 2015 10:24 pm
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jc_uk
 


Member Since: 19 Apr 2007
Location: Cumbria
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United Kingdom 

That's fine then, and expertly moderated.
We can all sleep well tonight.

ATB
JC
  
Post #141442425th Jan 2015 10:30 pm
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DG
Site Moderator 


Member Since: 12 Dec 2005
Location: The Gaff
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Wales 

There's no red writing... I haven't moderated anything ...it's my personal opinion of your demanding attitude Very Happy
 21 year LR veteran > D2 GS 2003 > D3 S 2006 > D3 HSE 2009 > D4 HSE 2013 > D4 HSE 2015 > D5 HSE 2018 > DS HSE R-Dynamic P300e 2021  
Post #141443925th Jan 2015 10:54 pm
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Sloss
 


Member Since: 18 Aug 2013
Location: Aberdeenish
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Scotland 

jc_uk wrote:
That's fine then, and expertly moderated.
We can all sleep well tonight.

ATB
JC


DG you can now update from 'Site Moderator' to 'Expert Moderator' Rolling with laughter Whistle Thumbs Up
 Stew,

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Went back to Merc - C350 AMG 
 
Post #141449126th Jan 2015 7:33 am
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BLFarrar
 


Member Since: 02 Aug 2006
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France 2006 Discovery 3 TDV6 HSE Auto Lugano TealDiscovery 3

Sloss wrote:
The reason for taking the TB off is a corrosion mechanism called crevice corrosion.

That particular type take place, you guessed it, in a crevice, and, with the right conditions can be much faster than open air corrosion.

In a crevice such as the TB fitting there is moisture, oxygen and steel, the 3 things you need to get corrosion going really well.


Reading this with great interest....yes all the pages as they happen...not being contrary Shloss..

what I have seen on the tow ball attachments (my D3 & three others - one D3 & 2 D4's) is clear evidence of FRETTING (or contact) corrosion:
from Wikipedia (the ASM handbook explanation is far longer & I guess no one would read it anyway)
"Fretting refers to wear and sometimes corrosion damage at the asperities of contact surfaces. This damage is induced under load and in the presence of repeated relative surface motion, as induced for example by vibration. The ASM Handbook on Fatigue and Fracture defines fretting as: "A special wear process that occurs at the contact area between two materials under load and subject to minute relative motion by vibration or some other force."

"The amplitude of the relative sliding motion is often in the order from micrometers to millimeters, but can be as low as 3 to 4 nanometers"

"The contact movement causes mechanical wear and material transfer at the surface, often followed by oxidation of both the metallic debris and the freshly exposed metallic surfaces. Because the oxidized debris is usually much harder than the surfaces from which it came, it often acts as an abrasive agent that increases the rate of both fretting and a mechanical wear called false brinelling"


so what do you see ? a fine red-brown pasty deposit (not powder or liquid) that adheres strongly to the surfaces in contact (mating ones).....it has the ability if not sorted to accelerate wear in any mechanical assembly just at the place it isn't needed..it looks just like red grease...but it isnt grease.

You get this in some large mechanical assemblies that are either high mass (weigh a lot of Kg's) &/or are subjected to (external) loads. The usual methood of preventing this is to either ensure assemblies are "tight" (made / fitted in such a way that no movement can occur...shaft, keyways, splines, couplings etc that are fitted well - no initial movement) or treated before assembly with specific things....one old fashionied one was to apply tallow. (Kluber the top of the heap lubricany maker can supply assembly compounds that are designed specifically to combat this).

Studying the assembly drawing s (I've made my own) & the dimension of the mating parts ( the way they can move sideways when under load is the perfect recipe or set of conditions for fretting corrosion.

So strangely one way of preventing the movement & subsequent wear is to apply something like these

http://www.skf.com/group/products/maintena...index.html

http://www.ntn-snr.com/services/fr/en-en/i...te_montage

http://www.fuchslubricants.com/renolit-anti-seize

& its what I have done to mine.
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Post #141449926th Jan 2015 8:03 am
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