Uploaded April 2024 | Updated September 2026, 6 days ago

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A viewer asked why aren't the oil pumps in turbine engines just routinely replaced after a specified interval of running. For a variety of reasons, things in the aviation world are a bit different from the way cars are maintained.

Links:
The video which sparked the question...
Oil Pump Rebuilding and Testing : youtu.be/moQC6J2SaBo

Jet Engine Lube Pump Overhaul: youtu.be/AxqB9D0mX5U

Jet Engine Lube System: youtu.be/WAia8PwMvQM