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Oil leak - top front of engine ?
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Hardware
 


Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 12702

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4
Oil leak - top front of engine ?

Just got the car back from being serviced ... and got a telling off because I didn't agree to getting the brakes done ( he wrote it in his book last year that I should get them done and I said "next year" then. )

Will schedule that for later Sad

However, it seems I have an oil leak. On the basis oils never leaks forwards or uphill it's somewhere near top front.

I've tried to take some pics but a dark fluid in a dark place doesn't make for good photos and most of it was cleaned off during a cursory look to see where it was coming from - sadly, inconclusively.









There was even some evidence of oil on the engine cover just behind the fan cowling.

Any ideas for likely culprit(s) ?
 .


Dean
====================================

2011 D4 XS - OBD port protection, RLD spare wheel protector, All LED interiors lights, Timed Climate enabled, iiD tool paired.
2011 D4 Landmark - Stolen from same dealer before I paid for it
2011 D4 GS - Stolen whilst at dealer Sad ... All LED interiors lights, DRLs, Spare Wheel protector.
1996 300Tdi - Eaten by tin worms 
 
Post #216274422nd Jul 2020 4:34 pm
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Hardware
 


Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 12702

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

changed how I searched forum and found this ... https://www.disco3.co.uk/forum/oil-leak-to...23503.html ... "throttle Body Housing Seal" ( £0.38 )

could that be it ? will try and look when it stops raining. which could be within the week with luck.
 .


Dean
====================================

2011 D4 XS - OBD port protection, RLD spare wheel protector, All LED interiors lights, Timed Climate enabled, iiD tool paired.
2011 D4 Landmark - Stolen from same dealer before I paid for it
2011 D4 GS - Stolen whilst at dealer Sad ... All LED interiors lights, DRLs, Spare Wheel protector.
1996 300Tdi - Eaten by tin worms 
 
Post #216274722nd Jul 2020 4:54 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4647

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

I was just going to suggest the throttle housing. Clean it up thoroughly with brake cleaner and check again after a couple of days driving. It should then be quite evident if its the housing or Y seals.
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #216275522nd Jul 2020 5:43 pm
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6233

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

If you have just had it serviced check around the oil filter, if they have unscrewed it, and not let it drain for a min or two, then the oil can run down the v of the engine to the front.

Get a something to poke down the v in the engine at the rear and see if its full of oil.


Flack Thumbs Up
  
Post #216281522nd Jul 2020 9:43 pm
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DiscoJeffster
 


Member Since: 27 Feb 2016
Location: Perth
Posts: 204

Australia 2010 Discovery 4 3.0 TDV6 HSE Auto Nara BronzeDiscovery 4

After chasing leaks down the front of the engine and replacing the throttle body housing seal a couple of times, I ended up replacing the actual elbow that bolts onto the throttle body. Under investigation there were tiny cracks where the spring clips goes in that allowed into pivot and leak oil under pressure. Since doing this it's remain completely dry. It's known as the "intake duct" LR014212.Combine it with a new o-ring LR008353.

That's if that's your issue - looks like it by the oil on the coolant hose.
  
Post #216285123rd Jul 2020 7:54 am
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Hardware
 


Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 12702

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

Flack wrote:
If you have just had it serviced check around the oil filter, if they have unscrewed it, and not let it drain for a min or two, then the oil can run down the v of the engine to the front.

Get a something to poke down the v in the engine at the rear and see if its full of oil.


Flack Thumbs Up


He said it was full of oil before he started and the engine tray was covered in it too. Had noticed level had dropped a couple of notches on the dash over the year since last service, so I think it is losing it slowly somewhere.

What else is in the V that is known to leak oil ?
 .


Dean
====================================

2011 D4 XS - OBD port protection, RLD spare wheel protector, All LED interiors lights, Timed Climate enabled, iiD tool paired.
2011 D4 Landmark - Stolen from same dealer before I paid for it
2011 D4 GS - Stolen whilst at dealer Sad ... All LED interiors lights, DRLs, Spare Wheel protector.
1996 300Tdi - Eaten by tin worms 
 
Post #216286023rd Jul 2020 8:33 am
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6233

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

The Oil cooler is there and that has been known to leak.

Flack Thumbs Up
  
Post #216287823rd Jul 2020 9:41 am
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Hardware
 


Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 12702

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

fixable or new unit ?
  
Post #216289823rd Jul 2020 10:36 am
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6233

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

If it is that see here https://www.advancedfactors.co.uk/oil-filter--cooler-11662-c.asp, you can get just the gasket and seal's.

Flack Thumbs Up
  
Post #216290423rd Jul 2020 11:11 am
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4647

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Hardware wrote:
Flack wrote:
If you have just had it serviced check around the oil filter, if they have unscrewed it, and not let it drain for a min or two, then the oil can run down the v of the engine to the front.

Get a something to poke down the v in the engine at the rear and see if its full of oil.


Flack Thumbs Up


He said it was full of oil before he started and the engine tray was covered in it too. Had noticed level had dropped a couple of notches on the dash over the year since last service, so I think it is losing it slowly somewhere.

What else is in the V that is known to leak oil ?


If there's that much oil leaking it's likely as Flack says to be the oil cooler Thumbs Up
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #216292923rd Jul 2020 12:38 pm
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Hardware
 


Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 12702

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

funnily enough, the mechanic did ask if the oil cooler was a likely culprit.

but it's still Censored raining here so I'm not going looking yet.
  
Post #216296023rd Jul 2020 2:43 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4647

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

I don't know if Advance do the gasket, if not it's here.
https://www.island-4x4.co.uk/gasket-cooler...28704.html

They might do umbrellas too Laughing
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #216296723rd Jul 2020 3:36 pm
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Hardware
 


Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 12702

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

it stopped raining early Friday evening... made up for it later mind.

Anyway, throttle body joint is wet through on lower half of the joint so I'll start with that, get it cleaned up, and see if that was it. It's the cheaper easier option too.
 .


Dean
====================================

2011 D4 XS - OBD port protection, RLD spare wheel protector, All LED interiors lights, Timed Climate enabled, iiD tool paired.
2011 D4 Landmark - Stolen from same dealer before I paid for it
2011 D4 GS - Stolen whilst at dealer Sad ... All LED interiors lights, DRLs, Spare Wheel protector.
1996 300Tdi - Eaten by tin worms 
 
Post #216328725th Jul 2020 4:46 am
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4647

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

You'll need to dig deeper than the throttle body Dean, as oil wet belly pans would not result from a leaking throttle body seal. Either oil has been spilled at the cooler or it has sprung a leak. Big Cry
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #216333025th Jul 2020 1:48 pm
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Hardware
 


Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 12702

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

I've driven the car a couple of times now and taken the engine cover after a run and with engine running.

there's certainly no sign of oil coming out anywhere specifically.

there looks to be less oil towards the back than previously and more pipes/covers etc. at the front have a coating of "oil".

still thinking on what to do ... throttle body seal is pennies (delivery £6 though ! ) and the oil cooler gasket somewhere around the £25 mark.

Just wish I had means to do it myself ... specifically somewhere to do it where a spill of oil won't register on the "imminent divorce" scale.
  
Post #21655684th Aug 2020 7:08 am
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