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Hi all!
I have a 2000 volvo V70 with 2.5tdi engine (facelift version). Some time ago i have noticed that the small drips of oil are dripping from the left front side of the car. Last year i was at my trustworthy shop and they said that my PCV/breather system is clogged. They couldnt find crankcase breather so they just flushed it out. After some time the problem surfaced again. I did a quick check on the internet and saw a glove test and dipstick test. I did them both - glove is inflating and there is smoke coming from dipstick. So i went on the internet and searched for that damn crankcase breather for a solid month and it was sold out everywhere, but finally i found and bought it. I replaced the crankcase breather, cleaned all pipes and put everything back together. But my satisfaction wasnt for long, few days ago i noticed that its leaking oil again so today i went for a 4 hour job and removed the whole PCV system. And what did i find? NOTHING! The system is clean, all pipes are flexible, rubbery, all clamps were good, all holes were oily but not clogged. I even got to stick my fingers in the turbo and the blades were not wiggling around, they were solid!
So, my turbo is fine, my PCV is not clogged and is clean, i maintain my car with care and regularly but this problem pursues me. I dont know what to do anymore, all forums say that PCV is clogged, but not for me. I have technical inspection for my car in late july so in like 2 weeks ill bring my car to the shop and ask for their help (mainly to prepare my car for inspection) but i need to know whats the issue.
No, my car isnt tuned (yet). Im planning on doing it but i wont do it till this problem is fixed.
We don't get the diesels in the US, or at least I don't have one, but the cars we get here do have a tendency to leak out the back cam seals. Good news is that they are super easy to get to. It certainly appears, based on this, you have the same sort of thing.
If it's the rear main seal, then that's hard to get to. Oil is cheap, but at some point you may have to deal with it.
Last edited by firebirdparts; Jun 15, 2021 at 04:22 PM.