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irishhawk11



Member Since: 07 Mar 2022
Location: Feldkirch
Posts: 27
Austria 2011 Defender 90 Puma 2.4 HT Santorini Black
Quote:
Now, the issue is this. From the intake manifold to EGR to this intercooler hose, everything is sooty and filthy. I'm pretty sure the intercooler is as well as they are all connected and I'm seeing some kind of film at the point the hose connects to it. So is this a sign the turbo is leaking? It's not supposed to be oily inside the components is it?

Click image to enlarge



Regarding the last picture of the sooty hose. I noticed that I have the same. Do you know what is cause?

Regards
Post #1075113 9th Sep 2025 3:16pm
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Ianh



Member Since: 17 Sep 2018
Location: Essex
Posts: 2515
United Kingdom 
In general all that soot is coming from the EGR in normal operation and any oil is coming as a mist from the crankcase vent that feeds into the turbo inlet hose.

On a 2.4 the easiest way to rectify all this mess is to have the EGR mapped out, blank the EGR cooler at ingress and fit a genuine ProVent 200 or 100 on the crankcase vent pipe.

Then give your inlet manifold , hoses, Intercooler and MAF a good clean and look forward to an engine that stays clean, performs better and lasts a lot longer.
Post #1075115 9th Sep 2025 3:34pm
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irishhawk11



Member Since: 07 Mar 2022
Location: Feldkirch
Posts: 27
Austria 2011 Defender 90 Puma 2.4 HT Santorini Black
@Ianh

Thank you very much indeed. I have my EGR blanked and also mapped out.

The EGR should remain clean, anyways is there a chance of oil getting there from the turbo or returning from the intake manifold?
Post #1075117 9th Sep 2025 3:39pm
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TriniDaddy



Member Since: 23 Nov 2020
Location: 10.57422, -61.28906
Posts: 47
2008 Defender 110 Puma 2.4 XS CSW Arles Blue
Ianh wrote:
In general all that soot is coming from the EGR in normal operation and any oil is coming as a mist from the crankcase vent that feeds into the turbo inlet hose.

On a 2.4 the easiest way to rectify all this mess is to have the EGR mapped out, blank the EGR cooler at ingress and fit a genuine ProVent 200 or 100 on the crankcase vent pipe.

Then give your inlet manifold , hoses, Intercooler and MAF a good clean and look forward to an engine that stays clean, performs better and lasts a lot longer.


Thanks for the advice on this one guys. Seems like all roads leading to blanking this EGR. Will leave that up to the next owner to decide.

Got the hose changed yesterday and took the car out for a run. Back to its old self and the smoke is 99% gone. Only on acceleration from very low gear and rpm would there be a little puff. Will do some hills soon for good measure. And miraculously, I have 3 MAP and MAF sensors now...😆

On to the next thing. Poly bushes and the footwell water leak... 110 SW 2.4
IZUMI BLUE
Post #1075247 11th Sep 2025 5:32pm
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