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Help - Cranckshaft snap?
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MarcosG
 


Member Since: 24 May 2024
Location: Spain
Posts: 10

Spain 2008 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3
Help - Cranckshaft snap?

Hi all.

I bought two weeks ago an Discovery 3 HSE MY2008 with supposely a broken cranckshaft.

The thing is, is there an "easy" way to diagnose if the cranckshaft is broken or not without removing the engine from the vehicle?
The engine starts and run perfect, no lights on dashboard and no errors in the ECU. The engine makes a "knock" sound and also there is a oil leak at the front, probably from the front cranckshaft seal.

Thanks for reading
  
Post #236961826th May 2024 12:58 am
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8154

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

If the engine runs perfect on 6 cylinders it hasn't got a snapped crank!
It could have a spun main bearing shell that is causing the knock. Check the oil filter, drain the oil and look for metal fragments.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #236962826th May 2024 7:09 am
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MarcosG
 


Member Since: 24 May 2024
Location: Spain
Posts: 10

Spain 2008 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

Thank you!

Yes, that's what I want to do...check the oil filter and oil and see if there's any debris or metal on it...
The first thing I'll do is remove the serpentine belt, start the engine and see if something changes, Who knows if I'm a lucky men and the knock sound comes from other part that is so easy to replace...?

One thing that maybe intereseting to you guys is that this engine was replaced by the official Dealer when the car has 167K kilometers on the odometer, and that was covered by the warranty. The car has now 465K, so the new engine last 300K kilometers, and I know the previous owner was tacking to much care of the car because the car was his "job tool". Once the car started to make the knocking sound the previous owner took the car to official dealer, and they told the cranckshat is snapped without removing any bolt...believe it or not...

On the other hand, if the engine has gone (bad engine block, conrods bent, etc..) I'm thinking to buy an engine from Peugeot 407 or Citroen C5. It doesn't sound the same ($$$) when you look to an engine from Jaguar vs Citroen....but I'm not sure if these engines will fit into the Discovery bacuse the engine block is not exactly the same. Any clues about that?

Regards
  
Post #236965426th May 2024 12:50 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10482

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

The French blocks have a different gearbox bolt pattern.
  
Post #236965826th May 2024 1:41 pm
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MarcosG
 


Member Since: 24 May 2024
Location: Spain
Posts: 10

Spain 2008 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

Ok, that's bad news...

So, when time arrives, if I need to swap the engine then I have to go to Jaguar or Land Rover...

Are the engines from S-Type Jaguar the ones I have to look? S-type seems to be a lot cheaper than XF or XJ...
  
Post #236968126th May 2024 5:56 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10482

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Yea. Any of them jags. 2.7
  
Post #236968826th May 2024 6:28 pm
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MarcosG
 


Member Since: 24 May 2024
Location: Spain
Posts: 10

Spain 2008 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

Ok, thanks a lot guys
  
Post #236969926th May 2024 8:44 pm
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MarcosG
 


Member Since: 24 May 2024
Location: Spain
Posts: 10

Spain 2008 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

One more question...

My car is EURO4 MY2008, and I found a 2004 jaguar engine that is euro3.

Will this engine be ok for the swap, or should I look to euro4 engines?
  
Post #236970326th May 2024 9:12 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4856

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

It will be fine just swap out the ancillaries, HPFP, injectors, etc. Thumbs Up
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #236970626th May 2024 10:03 pm
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MarcosG
 


Member Since: 24 May 2024
Location: Spain
Posts: 10

Spain 2008 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

Sounds good!

Thanks a lot
  
Post #236972427th May 2024 8:54 am
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