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Loud knocking/tapping from engine
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abermarc
 


Member Since: 06 Dec 2017
Location: Caerphilly
Posts: 238

Wales 2006 Discovery 3 TDV6 SE Manual Adriatic BlueDiscovery 3

Likewise Discomadness and thanks for taking the time. As it happens another mate of mine popped in earlier and he had a listen, without telling him what you said he also indicated at the crank and said he couldn't hear any knocking from underneath.

So still a very costly affair I imagine but perhaps a whole lot more promising than first thought.
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Post #202365330th Jan 2019 3:33 pm
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abermarc
 


Member Since: 06 Dec 2017
Location: Caerphilly
Posts: 238

Wales 2006 Discovery 3 TDV6 SE Manual Adriatic BlueDiscovery 3

Assuming it is crank anyone hazard a guess at garage prices to get it fixed?
 Cogito ergo sum!

Disco 3 - Daisy - Ultimate combo of beast mode and comfort!
Defender 90 - Ruby - RIP Sad
Disco 1 - Lilly - Tame!
Disco 1 - Truck with no name - Beast!
Disco 1 - Bertie - Beast!
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Post #202366230th Jan 2019 4:02 pm
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Bardley
 


Member Since: 02 May 2018
Location: Hertfordshire
Posts: 439

United Kingdom 2011 Discovery 4 3.0 TDV6 HSE Auto Santorini BlackDiscovery 4

Keep listening carefully over next few runs. The engine has potentially been run for 10 miles with about two coke cans of oil (0.7litres).

That may have had a detrimental effect on other areas, so would be good to catch them before anything serious happens.
 2011 MY D4 HSE
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Post #202366930th Jan 2019 4:29 pm
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ANother
 


Member Since: 28 Jul 2018
Location: None
Posts: 179

United Kingdom 

Discomadness wrote:
Abermarc, pleasure to meet you this morning ! Cracking looking disco, very envious of the roof rack ! I can confirm guys that the bottom end isn’t knocking, the noise is high up, brake servo side, possibly related to cam chain/tensioner. Thumbs Up


Good Man Thumbs Up
  
Post #202368230th Jan 2019 5:09 pm
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XDAndy
 


Member Since: 16 Jan 2018
Location: Gibraltar
Posts: 597

United Kingdom 2011 Discovery 4 3.0 TDV6 XS Auto Nara BronzeDiscovery 4

I seem to remember a thread from somewhere, think the poster came from South America, where the concern was a snapped crankshaft. Again my recollection was that the engine would either turn or start and sound rubbish.

Turned out it was one of the two cam timing chains and luckily the engine appeared alright after the issue was fixed.

Had a look, but can’t find the thread. Anyone else remember?
  
Post #202369930th Jan 2019 6:07 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4626

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Yeah you're right, was he somewhere in Brazil?
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #202370530th Jan 2019 6:41 pm
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hugeviking
 


Member Since: 08 Jun 2010
Location: cotswolds
Posts: 1482

United Kingdom 2006 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

I don't suppose the turbo could make a knocking sound, don't they like lots of oil.

Andi.
  
Post #202370630th Jan 2019 6:42 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4626

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Nope, no knocking turbo's unless you mean a "knocked off" one Laughing
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #202371430th Jan 2019 7:07 pm
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Discomadness
 


Member Since: 19 Jan 2015
Location: Caerphilly
Posts: 2256

Wales 2007 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

‘Twas definately high up on the drivers side. Marc if you don’t have any joy with your mate (garage) if you want to bring it to me I can delve a bit deeper and if it means an engine swap then I’m sure we can help. Thumbs Up
 Jarrod

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Post #202372530th Jan 2019 8:10 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
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England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

The components that are under most pressure on a engine are the camshaft to cam followers, they are also at the top of the engine and are the first components to fail through lack of oil or contaminated oil, lack of lubricant puts a massive overload on the cam shaft drive components, a snapped cam shaft drive chain is equivalent or worse than a snapped timing belt, at least when a belt gives up the engine stops, with a chain it is possible for one side of the engine to keep running and totally wreck it.
Keep running the engine at your peril, cost of a new engine fitted by main dealer in excess of £22,000. Twisted Evil
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Post #202372930th Jan 2019 8:18 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10360

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

The problem is that you go and spend a load of money to get something in the top end fixed, but because the engine has been starved of oil, something else will break 10 days later.

I guess it is a risk you will have to take.

If you could sort the top end yourself, without labour costs, that would be a sensible way to go
  
Post #202375130th Jan 2019 9:06 pm
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XDAndy
 


Member Since: 16 Jan 2018
Location: Gibraltar
Posts: 597

United Kingdom 2011 Discovery 4 3.0 TDV6 XS Auto Nara BronzeDiscovery 4

Somewhat off-topic but loosely related

See threads about taking engines from Jags.

Anything about taking them from Citroen’s?
  
Post #202377130th Jan 2019 9:58 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20727

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Block is completely different. Internals are identical
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Post #202377230th Jan 2019 9:59 pm
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XDAndy
 


Member Since: 16 Jan 2018
Location: Gibraltar
Posts: 597

United Kingdom 2011 Discovery 4 3.0 TDV6 XS Auto Nara BronzeDiscovery 4

Not that I am ever going to try this, but just for gaining knowledge ......

Could you take a cranksnapped/cambelt failed disco engine and a scrapped c5 engine and Frankenstein a working solution at the end of it?
  
Post #202377630th Jan 2019 10:05 pm
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cobby
 


Member Since: 05 Aug 2018
Location: Oxfordshire
Posts: 226

United Kingdom 2007 Discovery 3 TDV6 GS Auto Java BlackDiscovery 3

I guess so, anything is possible, it just depends on price if it is worth doing or not Rolling Eyes Whistle
  
Post #20241971st Feb 2019 1:16 am
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