Citation 550 Oral Practice Exam

Engine oil capacity is the total amount of oil the lubrication system can hold, including the tank, cooler, and lines. For the Citation 550’s engine, the official spec lists 2.08 gallons per engine. That exact figure matters because it ensures the system is filled enough to maintain proper lubrication and cooling, without risking under- or over-filling. The other numbers don’t match the documented capacity, being either too high or too low for the engine’s oil system. When servicing, you fill to that stated capacity and verify with the dipstick at the appropriate temperature.