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Hello everyone, I have an oil pressure problem with my new 916 is engine. The oil temperature is 100 C on the ground and the oil pressure drops gradually and rapidly as the plane climbs. I experience this every time but I couldn't find a solution. Especially when the oil temperature is high, the oil pressure drops to 2.5 bar at 7-8 kft. I was experiencing some oil leakage from the turbo. I changed the turbo check valve and the turbo oil leakage was resolved but there was still no improvement in the oil pressure. Can you help me with this situation?

  • Re: Low Oil Pressure

    by » 2 weeks ago


    The normal range above 3,500 RPM is 2.0 to 5.0 bar so 2.5 bar is within specification.  I am not sure I understand your concern.  Is it dropping below 2.0 at some point?  What is your oil temperature?

    I assume you did the turbo line purge and the rocker test for air in the lifters.  If not, I would do both of those before next flight.


  • Re: Low Oil Pressure

    by » 2 weeks ago


    Keep in mind pressure will drop as oil temp increases. That’s expected. 


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