Oil cloud when I drive an high speed left curve

[Flavor 987S]

Originally Posted by heiwaz

But I want to know if there is any method to check that the AOS is ok. Thanks for reply.

With the motor running, if you remove the oil fill cap, is there suction? If so, this would further make the AOS suspicious of failure/failing. Not uncommon.

[heiwaz]

Originally Posted by Flavor 987S

With the motor running, if you remove the oil fill cap, is there suction? If so, this would further make the AOS suspicious of failure/failing. Not uncommon.

Hello, I remove the oil fill cap, there is suction, but a very light suction. Also, when remove the cap I ear a noise inside the engine like a pressure cooker, the engine make some variations in revs, but not stopped. I think this noise come from AOS, but is normal or is a sign of failure?