Member Since: 25 Oct 2011
Location: Northumberland
Posts: 23
Oil Leak Top Rear of Engine.
Hi,
I have had a developing oil leak over the last month or so, that has now become a flood.
I have read about turbo pipes, however from a quick look in the dark with a torch, the turbo seems dry.
The oil seems to be coming from the top rear of the engine, running down the bell housing (both side seem equally wet).
I changed the oil filter (and seal) over the weekend, hoping this would cure it, power washed the engine, done 20miles....soaking wet again!
As it's pretty tight over the bell housing and down the back of the engine, therefore can't see much......can anyone suggest where I should be looking / feeling for possible source.
Thanks.
8th Feb 2016 8:03 pm
Sidestick
Member Since: 22 Apr 2012
Location: Rome
Posts: 2288
Same happened here on a friend D3 and the problem was the black oil filter bell with a crak, really hard to see because it opens a bit only when properly tightened.- Easy-Lift suspension module 4.0
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8th Feb 2016 8:51 pm
grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6266
same thing here cavity between cylinders banks full of oil overspilling
all due to stupid cut O ring seal
G
8th Feb 2016 8:54 pm
mac_manic
Member Since: 25 Oct 2011
Location: Northumberland
Posts: 23
Cheers guy's,
I did pay particular attention when replacing the filter a couple of days ago, as I had read this could be a possible cause.
The ring and the housing seemed good.
I'll check it again to see if it's wet, as I degreased and power washed the top of the engine with the cover removed.
Cheers, Garry
8th Feb 2016 9:06 pm
mac_manic
Member Since: 25 Oct 2011
Location: Northumberland
Posts: 23
Have checked the oil cover...it's dry.
The lovely clean oil I put in 2 days ago has now soaked the bell housing and cross member, big droplets hanging off.
I reckon this is a really big leak!....lust can't find the origin!
Are there any oil carrying pipes running over the top of the bell housing?
8th Feb 2016 9:28 pm
Disco_Mikey
Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20727
Member Since: 28 Aug 2006
Location: Mid-sussex
Posts: 2021
Mac, you have not filled in your profile - is it a diesel? Are you sure it is wet from oil and not from diesel which will show as oily and wet?2005, TDV6 S, Auto, 190k miles, owned from new, V8 Brake Upgrade, Nancom Evo, RLD protector, BAS EGR blanking & Remap, separate ATF cooler, changing all the fluids ahead of time.
8th Feb 2016 9:58 pm
mac_manic
Member Since: 25 Oct 2011
Location: Northumberland
Posts: 23
Hi, TDV6, definitely oil not diesel....I'll fill in my profile. Cheers.
8th Feb 2016 10:02 pm
davidedwardmawer
Member Since: 11 Oct 2012
Location: Gironde
Posts: 174
Help with oil leak please
Did it look anything like this?
and
and
A limited amount of oil dribbled off the back of the bash plate after a bit of 'rock mode' yesterday (but without any knocks). Also coincided with an engine oil top-up earlier that day - no spills. Engine oil level remains ok and drove home for two hours afterwards with no untoward noise or overheating. No signs of oil between cylinder banks on top.
Before it goes to the garage, does anybody have any suggestions or has seen this before? Thanks,
David33370 Fargues Saint Hilaire
25th Sep 2017 2:43 pm
danydanodan
Member Since: 17 Oct 2021
Location: valais
Posts: 5
did you solve the problem? @davidedwardmawer
17th Oct 2021 11:58 am
davidedwardmawer
Member Since: 11 Oct 2012
Location: Gironde
Posts: 174
Hi, never did anything further.
Suffers from quite frequent smell of hot oil and a few oil drips (not many) but I keep an eye on engine oil level (398000km) and try not to worry
David.33370 Fargues Saint Hilaire
17th Oct 2021 12:34 pm
danydanodan
Member Since: 17 Oct 2021
Location: valais
Posts: 5
thank you for your quick reply !
have you rebuilt a 4x4 since this problem?
daniel
17th Oct 2021 1:16 pm
davidedwardmawer
Member Since: 11 Oct 2012
Location: Gironde
Posts: 174
No.33370 Fargues Saint Hilaire
17th Oct 2021 2:04 pm
danydanodan
Member Since: 17 Oct 2021
Location: valais
Posts: 5
After taking a closer look I realized that the cooler (below the oil filter) was leaking ... I inserted a rod next to the filter and pulled them out, it was full of oil ... in fact the oil stagnates in the "V" of the two cylinder heads ... and once on a slope, the oil spills onto the gearbox bell ...
translate by google translate.
Daniel
17th Oct 2021 6:50 pm
mek
Member Since: 18 Mar 2015
Location: Zurich
Posts: 468
Hi Daniel,
I changed the gasket between oil cooler housing and block a few months back and the leak on my car was stopped. Easy job, except for the enigma that is removing the oil separator. There were clear signs of galvanic corrosion and failure of the old steel gasket. I scraped off the corrosion and sanded everything smooth working up to 2000 grit sandpaper before fitting the new gasket. Took me about 4 hours end-to-end in the self-garage.
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