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P38 Paul

P38 Diesel , leaking oil filler cap .

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Hi everyone , I have oil leaking from my oil filler cap , I cleaned it all down & turned the rubber seal round but that only lasted about 6 weeks before it started leaking again . Now the other day whilst the engine was running I foolishly took the cap off & the oil sprayed all over the place including me & made a hell of a mess , my question is :- is all of this splashing normal ? it doesn't seem to be under pressure , just a lot of splashing about , I wonder if a splash guard has fell off under the rocker cover ? has anyone else tried this with the engine running & got the same result & what did you do to stop it leaking from the filler cap ? looking forward to your replies , Paul . 

Edited by P38 Paul
Missed out a commer in the title .

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Yours is a diesel, right? Then I'd look at the breather/oil separator between valve cover and intake hose. If that's blocked, you're likely to get a bit more splashing. Or you just need a new seal on the cap.

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