Where is "oil catch can" on my JTD - Alfa Romeo Forum
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(Post Link) post #1 of 5 Old 16-12-09 Thread Starter
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Where is "oil catch can" on my JTD

Where is a so-caled "oil catch can" (another terms are "oil segregator" or "oil separator") on 147 1.9 JTD 8v?
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Do you mean the oil filter?
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(Post Link) post #3 of 5 Old 16-12-09 Thread Starter
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No, I mean the "oil vapour recovery" can.
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https://www.alfaowner.com/Forum/attac...mod-clip_6.jpg

Look at the part #13 on this picture. I think it is the thing that connects two hoses...

But i'm not sure...
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From eLearn:

Text for first picture:
The oil vapour emissions are controlled by the pipe (4) which collects the vapours released from the crankcase and the rocker cover (1) which causes their partial condensation.
The uncondensed vapours are sent, through a pipe (5), to the turbocharger air inlet hose (3).


1 - Rocker cover
2 - Turbocharger
3 - Corrugated hose
4 - Oil vapour recovery pipe
5 - Oil vapour recirculation pipe

Text for second picture:
A regulating valve on the rocker cover, consisting of a spring (1) and diaphragm (2), prevents faulty intake phenomena.
When the vacuum values present under the rocker cover exceed a specified limit, the diaphragm moves downwards and blocks the pipe coming from the crankcase.

Do you have any idea about cleaning of regulating valve from second picture?

Last edited by dusanGT; 25-08-10 at 06:41.
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