SOURCE: oil leakage and hissing sound from nubira 2000
It is quite possible you have a leaking head gasket or intake manifold gasket... allowing both an oil leak and a pressure leak from the cooling system. The alternative may even be as severe as a cracked block. Get it checked before you drive too much farther!!
SOURCE: oil leak near oil sump
its hard to solve this one with out being present and seeing it for myself but coming from the motor trade if you have any queries or problems with your vehicle after its bin to a place of repair it is there duty to follow up or ease your worries. Take it back to the place you got it and ask if they can take a lok and show you personally where the leak is coming from or what the small leak could be. if nothing its good customer service. hope this helps
SOURCE: bad oil leak using 1
if no visible leaks are present the oil is leaking past the intake valve seals and most time you will not see exhaust smoke maybe on start up after sitting all night not a hard or expensive fix if proper procedures are followed
SOURCE: how do i stop leakage of engine oil from the back of the two stroke oil pump?
It sounds like wear on the bearing which means at high revs the shaft is moving and vibrating too much for the oil seal flexibility to seal. Cheapest first step try s New oil seal. If no luck then it's probably going to need bearings. If this is not what you want give more details,ie, what engine exactly ad fitted to what?
If you have recently had your oil changed or front axle serviced, check the tightness of the drain plugs. Sometimes they are not replaced snuggly enough. Failing that, pressure wash the area and check it again in a few days looking for signs of a leak. You don't say anything about the make or year of the vehicle, but sometimes older vehicles will develop leaks when gaskets or seals dry out or otherwise fail.
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