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CAM BELT FAILURE
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DrLex
 


Member Since: 15 Jul 2005
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Iceland 2005 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

The Transformer wrote:
Possibly a bad batch? sounds like a 57 plate thing??


Might start totting up the incidents and get the Stats books out - Sonic's was also a '57 plate.
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Post #899567Mon Feb 20 2012 10:28pm
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sean 471
 


Member Since: 26 Apr 2011
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Can we get some engine numebrs for these. its making me nervous
  
Post #900507Thu Feb 23 2012 9:20am
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chalky
 


Member Since: 22 Aug 2008
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England 2007 Discovery 3 TDV6 XS Manual Tonga GreenDiscovery 3

Shocked

Yep I agree, engine numbers would be good !

My @rse is twitching too !
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Post #900544Thu Feb 23 2012 11:23am
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DSL
 


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Agree, engine number would be good but thought peeps might be nervios of putting official numbers on open forum.
 

Last edited by DSL on Thu Feb 23 2012 11:54am. Edited 1 time in total 
Post #900545Thu Feb 23 2012 11:25am
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sean 471
 


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Whose peeps?
  
Post #900550Thu Feb 23 2012 11:46am
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DSL
 


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Peeps = people. Thumbs Up
  
Post #900553Thu Feb 23 2012 11:54am
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sean 471
 


Member Since: 26 Apr 2011
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OK we could always ask them through pm and keep the numbers in confidence.
Even if we only use it for ourselves to build a picture. If we have where the repair work has been completed it might give us some reason for argument.
I think LR are aware of this. One guy I spoke to last year told me the same thing happened when the car was three weeks old, the engineers from LR were crawling all over it.
  
Post #900558Thu Feb 23 2012 12:00pm
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DSL
 


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They might have been all over it but did they contribute to the cost of the new engine? Would be a precedent they wouldn't want to set.
  
Post #900561Thu Feb 23 2012 12:03pm
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sean 471
 


Member Since: 26 Apr 2011
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Yes they changed the engine under warrenty though, somebody on here says landrover paid for the work, will look to see if it was done outside LR warrenty
  
Post #900566Thu Feb 23 2012 12:07pm
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sean 471
 


Member Since: 26 Apr 2011
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SteveNorman wrote:
have seen this too, low mileage, 57000 miles 57 plate vehicle. Was about a year ago, & was out of warranty, but Landrover paid for the new engine. It was the tensioner casting brroken on this one.

My guess is something else goes tight, causing the belt to put excess pressure on the casting of the tensioner & breaking it.

Regards
Steve


Here we go
  
Post #900570Thu Feb 23 2012 12:09pm
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DSL
 


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That's a result! Thumbs Up
  
Post #900573Thu Feb 23 2012 12:12pm
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Alex08
 


Member Since: 09 Nov 2006
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Would there be any way to tell this was about to happen by visual inspection? Crack noticeable in a visible place?
  
Post #900618Thu Feb 23 2012 1:55pm
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Flack
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I am doing some belts this week so I will take a close look at this one,I have been keeping an eye on this problem while doing the belt changes..and not seen anything up to now.


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Post #900620Thu Feb 23 2012 1:59pm
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sarumlight
 


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Isn't Steve's question important though: Did these engines end up mullered because the tensioner casting failed, or did the tensioner casting fail because something caused a massive stress on the belt and it just happens to be the weakest link. For example, one of the camshaft bearings siezed, or the fuel pump siezed?

We would only know this if one of these engines was stripped down, and checked over very carefully, and if the valve / head is damaged I'm not sure it'd be easy to tell what the root cause actually was.
  
Post #900719Thu Feb 23 2012 5:23pm
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Disco_Mikey
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My money is on a weak casting

If something were to seize, the belt would more likely shred itself against either of the cam pulleys or crank pulley, I would imagine.

Unless it was something along the lines of the cambelt tensioner has been set too tight, but that wouldnt explain why it is only a batch of 57 plate cars Confused
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Post #900764Thu Feb 23 2012 7:21pm
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