Oil in intake manifold

[bigredmav]

Just changer the glow plugs in my td42 and niticed oil in the air filter housing and intake manifold, is this normal?

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[YNOT]

Yes it is normal, it's condensed oil vapour from the PCV (positive crank case ventilation).

[bigredmav]

Thats good to know, is it worth while throwing a cleaner through it occasionally

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[Parksy]

Absolutely. Eventually a mixture of both crankcase blow-by and exhaust gases from the egr system will clog your intake.

Subaru sell a foaming type intake cleaner. Autobarn and places like that also sell different versions of intake cleaners.

[happygu]

I would remove to clean, if you deem it necessary....

Mic