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mifa

Member Since: 16 Dec 2022
Location: Denmark
Posts: 12

2007 Defender 90 Puma 2.4 PU Tonga Green

Leaking Oil return pipe turbo

God evening

I got two questions I need some forum help os please;

I´m in the ongoing process of trying to keep the oil inside my 2007 Puma engine, which can be quite frustrating to become ready for our “MOT”.
Apparently leaking around the oil pan, when driving blowing oil to the bellhousing, and located one of the leaks to the right of the engine at the bottom end of the turbo oil return line.

Have been a lot better since I recently replaced the severely leaking injectors and fitted at Provent catch can as well, but still leaking.
From pictures of a new pipe, is seems like an O-ring is fitted to the bottom end, but I cannot find this as a part number.
Is the procedure to replace the pipe with a new gasket at the turbo end of the pipe or just replace the o-ring?

Second, in the picture, the green connector fitted to the engine but not wired, which I assume it’s should be; what is that for?
I have no error codes, and the engine runs brilliantly in general (I know—but Puma brilliantly

Click image to enlarge
).
Michael

24th Mar 2025 8:00pm

swt

Member Since: 24 Aug 2018
Location: Cumbria
Posts: 165

2008 Defender 110 Puma 2.4 XS CSW Stornoway Grey

On the second question re electrical connector:

https://www.defender2.net/forum/post20970.html

24th Mar 2025 11:09pm

jbcollier

Member Since: 29 Apr 2024
Location: Edmonton AB
Posts: 197

2009 Defender 110 Puma 2.4 SW Alpine White

On the first question, the o-ring is not available separately. That said, I'm sure you could match one up once you have it apart. Make sure you use an o-ring made of an oil-proof material.

25th Mar 2025 6:55pm

mifa

Member Since: 16 Dec 2022
Location: Denmark
Posts: 12

Thanks for taking the time to reply!
My thought regarding the green plug was also to keep my fingers away, as everything works and thanks for the reference to the other thread, I hadn't found it.

My thought was also to try an o-ring from the local hardware store, a new tube in a blue bag costs 110 Euro, so there is room for trail and error

Michael

25th Mar 2025 9:10pm

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