Oil cap dirty please suggestions

S

STEP

Member
Hello,
last night i check the oil level (I change it at 55000Km now I have 63000) and the level seems a little bit less.

So I check the engine (seems very clean) and the the cap...
I found a BLACK slime under the cap and in the engine, I used some
Handkerchiefs to clean it but I can't understand where it comes from!!!!

I suppose that the oil was not changed at 55000 and it is now really dirty!
I am going to change the oil another time from another dealer... Do you think I need to wash the engine with some additives and then change oil?
Do you have any suggetsions?
 
Black sludge in the rocker cover and on the cap usually indicate the oil has not been changed at the correct intervals.
If it is 'creamy' its a sign of short journeys and cold running - or - coolant is getting into the oil, usually from a faulty head gasket.
There are some risks in using flushing oils as they can dislodge hard debris which may block oilways.
Seek advice from your mechanic first but I'd be tempted to change the oil and filter then repeat this after 3 - 4000 km

Cheers Spike
 
Thank you Spike!

It's not creamy and not coffee colorured, it's quite solid and deep black.
I'll follow your suggestion... :)
 
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