Vehicle & Technical > Defender

oil and diesel leak from 200tdi

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kizz81:
alot of people i have talked to have said likly to be a head gasket, im just trying to wliminate that as a possibility but if i end up taking off the head i would change it any way


cheers kieran

Range Rover Blues:
OIl getting blasted out of that pipe is caused by piston ring blow-by.  It's worse at motorway speeds becuase the negine is running hard for a long time.

I fitted a catch tank to that pipe and blocked it off at the turbo, all seems well so far.

kizz81:
how serious is a piston ring blow? :shock:

Range Rover Blues:
It's present in all engines, even new ones, but gets worse as the engine wears and the rings weaken too with time.  A significant blow or chuffing might indicate a cracked ring but given the mileage you have on that engine I'd stop worrying until it blows up.

I'm told a cracked ring will make a ticking noise on a TDi anyway, so I think yours is just tired.  If it goes ok then leave well alone, think about a thicker oil, like the Lucas stuff I use, as good oil will help a little.

If you're at the pub ask me about the catch tank ;)

L90OOK:
To be honest it looks like the breather is blocked.  If you look at your second picture the rocker cover gasket has leaked too.
All diesels breath a bit so don't  worry to much about that.
As said, give the plastic breather pot & pipe a good clean & go from there.  The turbo shouldn't affect the pipe as long as the intake/filter isn't blocked.   :afro:

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