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arran jones



Member Since: 21 Nov 2016
Location: south west
Posts: 726

United Kingdom 
Oil leak , but where??
Hello all,

I have a tdci defender 90 and it has quite a big oil leak and the engine oil needs topping up pretty regularly,
Here are some pictures which may or may not help, but could anyone see where the problem is and how to fix it


Click image to enlarge




Click image to enlarge



Click image to enlarge


Thanks in advance Thumbs Up
Post #630965 13th Jun 2017 7:44am
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roel



Member Since: 08 Aug 2009
Location: Lelystad
Posts: 2039

Netherlands 2003 Defender 90 Td5 PU Caledonian Blue
It's to clean to see where the oil comes from. Clean it well and then do this:


Click image to enlarge


Let it dry and then you will easily spot where it leaks. Whistle

In other words, it's difficult te see from this pictures where it leaks. As it might leak higher up. Roel

1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts.
2003 90 Td5 (2009-now)
Post #630983 13th Jun 2017 8:39am
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arran jones



Member Since: 21 Nov 2016
Location: south west
Posts: 726

United Kingdom 
Ok thanks
I always thought its easier to spot when its clean! Rolling with laughter
Post #631004 13th Jun 2017 9:19am
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554

Post #631012 13th Jun 2017 9:34am
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arran jones



Member Since: 21 Nov 2016
Location: south west
Posts: 726

United Kingdom 
Ill see wot i can find
Post #631015 13th Jun 2017 9:50am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17372

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
It doesn't look like the vac pump to me, it seems to be coming from the front of the engine around where the head and block join and then getting blown back by the fan. The vac pump itself is clean, and all the oily gunk is around the fuel pump which is further inboard.

I would, as suggested above, give the area a good wipe over and see where it first reapperas. It is incredibly difficult to identify the source of leaks from photos alone.
Post #631029 13th Jun 2017 11:28am
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arran jones



Member Since: 21 Nov 2016
Location: south west
Posts: 726

United Kingdom 
Ok thanks very much blackwolf, i will do that next week when i get my landy bak Very Happy
Thumbs Up
Post #631083 13th Jun 2017 2:57pm
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V8GPC



Member Since: 18 Jul 2016
Location: Manchester
Posts: 289

United Kingdom 
perhaps you have accidently set the chassis lubrication mode to ON; I believe land rover installed it on the later models to aid in longevity as the Defender left production. Problem is its a constant loss system and requires topping up very frequently; and the OFF button not easy to locate.

Apologies... I have no idea, but if you degrease and clean the whole area, and do a short run, you should see the damp patch occur near to the culprit. If its a massive leak, don't go to far as you'll be back to where you started with oil everywhere.
Post #631119 13th Jun 2017 5:02pm
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roel



Member Since: 08 Aug 2009
Location: Lelystad
Posts: 2039

Netherlands 2003 Defender 90 Td5 PU Caledonian Blue
arran jones wrote:
Ok thanks
I always thought its easier to spot when its clean! Rolling with laughter


I was kind of serious. I always find it very difficult to find a small leak when everything is clean and shiny. But when it is covered in a small layer off dust and dirt you easily spot the dark spot. Roel

1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts.
2003 90 Td5 (2009-now)
Post #631126 13th Jun 2017 5:24pm
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puma2010



Member Since: 09 May 2012
Location: glos
Posts: 28

England 2010 Defender 90 Puma 2.4 HT Zermatt Silver
Hi Arron, I have got exactly the same problem, I am in the process of cleaning down, then try to see where the leak is coming from, the vacuum pump is dry and clean, same as yours. its not easy, the amount of oil everywhere you would think we could spot it easily when clean, I haven't found the cause yet tho. I will pop around to yours and see if we can come up with something. ATB Nick.
Post #683501 1st Feb 2018 8:16pm
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arran jones



Member Since: 21 Nov 2016
Location: south west
Posts: 726

United Kingdom 
Hello nick
My oil leak is now sorted out🖒
It was a hose in the engine bay that had split ages ago and it looked like it was still leaking cus it was all over the chassis but i took it in to the garage and there was no leak...
Best bet is to take it into stratstone to get them to check it for free like they did to mine
Or take it to colwells garage in hempsted Thumbs Up
Cant help any more sorry

P.s....did u get my email the other day?
Post #683502 1st Feb 2018 8:22pm
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arran jones



Member Since: 21 Nov 2016
Location: south west
Posts: 726

United Kingdom 
I can come to your farm on Saturday if im free
Might be easier than u comin to me...
Lmk Thumbs Up
Post #683506 1st Feb 2018 8:36pm
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arran jones



Member Since: 21 Nov 2016
Location: south west
Posts: 726

United Kingdom 
If u havent got my reply to your latest email from you
Let me know
Cus it might mean my emails are playing up...
Hopefully u have received it Thumbs Up
Post #683521 1st Feb 2018 9:09pm
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