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Cam belt tensioner mount broke!!!!......
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Bodsy
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Member Since: 06 Nov 2006
Location: In the Clubhouse
Posts: 21361

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Just clear concise history information, including clear reference to the historical change of part numbers and subsequent strengthening of the oil pump casing to fix this issue.
Catastrophic failure of the component that has never been advised to be changed or instructions for checking under any servicing regime based on LR guidelines.

I think you should be the other 67% contribution loud TBH.

Ask to speak to the director of customer services by calling the LR head office and then speak to one of the exec complaint handlers and express your disappointment at the failure of a part that LR are clearly aware of, is a poor design (hence the 4 versions)!

That final version of oil pump casing is now the ONLY version available for all model years now.
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Post #12625961st Apr 2014 11:13 am
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Bob M
 


Member Since: 21 Apr 2014
Location: Ingleton North Yorks
Posts: 60

United Kingdom 2008 Discovery 3 TDV6 GS Manual Bali BlueDiscovery 3
cause of fracture

Hello all,
Sorry to hear of those of you with failed casings and problems getting support.
I an changing my 07 D3 as a precaution.
I would like to throw another posibility into the discussion.
Please correct me as I am shure you will if the following is wrong.
Aluminium alloys are notorious for stress related cracking, the aircraft industry has had many failures
and resulting investigations.
These are stress propagated fractures. Like a tear thet run from one edge to the other.
All the photographs show a sharp edge to the front.
This means the crack has propagated from back to front, not from the side.
The idler is a significant mass mounted out in front of the lug in its bolt providing a lever putting for and aft bending on the lug with respect to the rest of the casing when the idler vibrates.
I propose this is caused by vibration from the pulsating load on the belt, exciting the mass of the idler to oscillate up and down.
The strengthened ribs are to prevent this for/ aft movement, not side to side.
This could be proved with removed casings in a test rig.
A reasonable model could be made by making a casting rubber mold of the casing and casting household filler or resin casts and checking how these fail when put in the for / aft bending described above.
Even JLR would have problems disputing such evidence.

Best wishes and regards

Bob
  
Post #129941817th Jun 2014 3:14 pm
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stephenw46
 


Member Since: 22 Jun 2011
Location: West Midlands
Posts: 1182

United Kingdom 2014 Discovery 4 3.0 TDV6 XS Auto Corris GreyDiscovery 4

I've had mine changed as a precaution lr customer services gave me a£100 contribution the next time I take into the dealers this will be knocked off the bill, I've also had a phone off customer services asking me to complete a survey as soon as I get the email I will reply according lee with my disappointment I also still av the oil pump that was removed to which I will get to bodsy😟
  
Post #129942517th Jun 2014 3:29 pm
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doz
 


Member Since: 15 Jun 2014
Location: Southampton
Posts: 436

United Kingdom 2013 Discovery 3 TDV6 SE Manual Cairns BlueDiscovery 3

Hi guys. Prior to buying my 07 D3 it had the seven year service including belts. I was surprised to see they had also repkaced the oil pump. They had charged 400 quid for this job alone. I'm guessing the PO was advised it could fail or maybe a crack was starting to show. The was a labour rate change so I'm guessing there was a contribution to the job by the dealer. I'm glad it's been done but I am shocked that a firm like LR got it so wrong. I guess my car was one od the lucky ones having covered only 60k miles the moubt hadn't done enough work to fail.
  
Post #129954017th Jun 2014 7:17 pm
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DSL
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Member Since: 11 May 2006
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You have landed on your feet, a PO that cares and goes the extra mile. Lots wouldn't. Thumbs Up
   
Post #129954117th Jun 2014 7:19 pm
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doz
 


Member Since: 15 Jun 2014
Location: Southampton
Posts: 436

United Kingdom 2013 Discovery 3 TDV6 SE Manual Cairns BlueDiscovery 3

Yep. It really shows, the car is amazing really. They also changed the water pump. Total price for the service was just shy of 1500quid.
  
Post #129955917th Jun 2014 7:42 pm
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Bob M
 


Member Since: 21 Apr 2014
Location: Ingleton North Yorks
Posts: 60

United Kingdom 2008 Discovery 3 TDV6 GS Manual Bali BlueDiscovery 3

Hi Stephenw46,
How did you get them to offer the voucher please.
I may try and get a project at work to look at the failure mechanism, although its not rocket science.
Without the side webs the boss is effectively on a stalk which flexes until it fails.
Clearly it should have been a recall but my guess is 2 to 2.5 million so its easier to pay out those who have the power and knowledge to pursue claims.
I suspect BMW would have done it differently.

Regards

Bob
  
Post #129956617th Jun 2014 7:47 pm
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doz
 


Member Since: 15 Jun 2014
Location: Southampton
Posts: 436

United Kingdom 2013 Discovery 3 TDV6 SE Manual Cairns BlueDiscovery 3

Just for some info. The part numbers relating to the oil pump change are
L1102415 Seal crankshaft X 1
L1346539 Seal oil pump X 2
LLR002458 Nut hex head X 1
LLR013487 Pump oil X 1
ZLOCTITE Loctite 5699 X 1

Not sure if it's helpful.
  
Post #129957217th Jun 2014 7:58 pm
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Bob M
 


Member Since: 21 Apr 2014
Location: Ingleton North Yorks
Posts: 60

United Kingdom 2008 Discovery 3 TDV6 GS Manual Bali BlueDiscovery 3

Thanks doz,
It helps a lot, means I have told them to fit the correct part number.

Regards

Bob
  
Post #129977918th Jun 2014 9:42 am
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SteveMilner
 


Member Since: 17 Jul 2012
Location: West Yorkshire
Posts: 131

England 2008 Discovery 3 TDV6 SE Auto Zermatt SilverDiscovery 3

I had my oil pump done with the belts in December, using the latest pump model.

Have JLR issued a new one since then?

Regards,
Stephen
  
Post #130027719th Jun 2014 12:41 pm
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guzgog
 


Member Since: 27 Dec 2012
Location: Derbyshire
Posts: 8

United Kingdom 2007 Discovery 3 TDV6 SE Auto Baltic BlueDiscovery 3

I had my belts done and oil pump changed on my 07 with 57000 miles showing and took the old oil pump casing to work and had it crack tested and it did not show anything amiss so I suppose I was reasonably lucky. Very Happy
  
Post #130055720th Jun 2014 6:41 am
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john watson
 


Member Since: 10 Nov 2011
Location: lanark
Posts: 964

Scotland 2007 Discovery 3 TDV6 XS Manual Zermatt SilverDiscovery 3

DM has just done the belts and oil pump on my 07 d3 with 53,000 miles on the clock. Definite signs of a crack on casing, so how long to total failure. The new pump has really been beefed up in that area.

As an aside he replace the XYZ switch and associated loom this week and all seems to be in order so far. No more bongs and error messages such as

transmission problem

hand brake problem--auto release not functioning.

orange brake light illuminated.

problem was the fault was intermitent so doubly annoying

thought at first it was a duff transfer box ECU but this was eliminated quite quickly so had to be the switch or loom.

the joys of LR D3
  
Post #130059020th Jun 2014 8:21 am
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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

Quote:
Definite signs of a crack on casing, so how long to total failure.


Nobody can give you a precise prediction and it could last quite a long time. However, whilst the outside survival time is up for debate nobody will challenge the idea that with a crack forming it could possibly fail on the next journey.

It's a fault that needs to be fixed asap.

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Post #130059220th Jun 2014 8:30 am
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christodd
 


Member Since: 30 Jun 2014
Location: sheffield
Posts: 3

United Kingdom 2007 Discovery 3 TDV6 XS Auto Zermatt SilverDiscovery 3

Hi Im new to the forum but am just about to have timing belts changed on 57 plate tdv6 and understand that i need a new modified oil pump casing? I have spoken to Land rover dealer (Guy Salmon Sheffield) and they have never heard of it. Brother in law says Bodsy is the person to speak to regarding this matter but i cant pm Bodsy as i haven t posted enough on here. So Bodsy if you read this or anyone else who has info please let me know ta very much!!
  
Post #130485430th Jun 2014 1:49 pm
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SteveMilner
 


Member Since: 17 Jul 2012
Location: West Yorkshire
Posts: 131

England 2008 Discovery 3 TDV6 SE Auto Zermatt SilverDiscovery 3

Try speaking to Green Oval in Leeds if you don't get hold of Bodsy.
  
Post #130485530th Jun 2014 1:51 pm
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