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Engine oil leak. What's this?
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bmbmdmb
 


Member Since: 11 Nov 2012
Location: yorkshire
Posts: 70

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Santorini BlackDiscovery 4
Engine oil leak. What's this?

Hi, I ve done engine oil service on father s 3l diesel disco 4 annually. I am noticing a worsening g leak near sump plug, which is replaced each time. I think the leak comes from this black hose which goes into the sump.
On right of photo.
Any ideas what it is?
  
Post #191367411th Feb 2018 10:44 pm
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bmbmdmb
 


Member Since: 11 Nov 2012
Location: yorkshire
Posts: 70

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Santorini BlackDiscovery 4

Click image to enlarge
  
Post #191367511th Feb 2018 10:45 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8043

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

I had exactly the same problem, I think it is the other end of the pipe used to suck oil out when changed by a main stealer, I reseated mine by pressing the release catch on the connector and half pulling the connector back off then on again a couple of times, it seems to have stopped it.
I just wonder how many more are leaking here as it is not necessary now to take the sump guard off to check when the oil is changed the idle vacuum way and the sump guard doubles as an excellent drip tray.
If this connector should come off whilst travelling and LRs wonderful none early low oil warning system its new engine time Shocked
I did think about plugging mine as it will never be used while I own the vehicle.

 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #191370212th Feb 2018 6:46 am
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bmbmdmb
 


Member Since: 11 Nov 2012
Location: yorkshire
Posts: 70

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Santorini BlackDiscovery 4

Thanks,
That is useful info.
Yes, I heard that the dealer dipstick is actually for sucking oil out.
That method must leave some sludge in engine.
As you said removing sump guard allows a look around for potential leaks.
My brothers Range Rover suffered a catastrophic coolant leak then vaporized the engine oil in a few minutes. Engine was a write off. This is a 2015 model with 3500 miles on clock. Warranty repair. 10months old.
  
Post #191403412th Feb 2018 9:30 pm
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bmbmdmb
 


Member Since: 11 Nov 2012
Location: yorkshire
Posts: 70

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Santorini BlackDiscovery 4

I will contact dealer parts dept and find out more details about replacement. It has a plastic button on a plastic elbow and did slide over a metal tube going into sump. I replaced its position and locked it back. Looks like a disaster waiting to pop off to be honest. I can't understand why LR didn't just use a metal elbow to rubber hose.
  
Post #191404712th Feb 2018 9:45 pm
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bmbmdmb
 


Member Since: 11 Nov 2012
Location: yorkshire
Posts: 70

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Santorini BlackDiscovery 4

LR dealer confirmed that it is the scavenger pipe for drawing oil out.
Said they had no issues with it popping off.
  
Post #191467314th Feb 2018 8:57 pm
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swansty
 


Member Since: 21 Sep 2008
Location: Northern Ireland
Posts: 914

Northern Ireland 2010 Discovery 4 3.0 TDV6 XS Auto Zermatt SilverDiscovery 4

bmbmdmb wrote:
Thanks,
That is useful info.
Yes, I heard that the dealer dipstick is actually for sucking oil out.
That method must leave some sludge in engine.
As you said removing sump guard allows a look around for potential leaks.
My brothers Range Rover suffered a catastrophic coolant leak then vaporized the engine oil in a few minutes. Engine was a write off. This is a 2015 model with 3500 miles on clock. Warranty repair. 10months old.


Sludge from where? Didn't someone on here take the sump plug out after sucking the engine oil out and nothing more drained out?
  
Post #191478315th Feb 2018 9:22 am
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