2023 SUBARU Legacy FB25D/FA24F (BD)
BD / Sedan / Wagon / Japan, North America, Australia, select Asian markets (varies by engine)
FB25DFA24FFB24Exact year/trim recordGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Potential oil consumption in early FB25 series corrected in latest revision
- Turbocharger wastegate rattle under load (rare)
First checks
- Check for oil leaks around valve covers and oil pan
- Inspect CVT transmission fluid level and condition
- Verify operational health of automatic all-wheel-drive coupling system
Before replacing parts
- Save fault codes and freeze-frame data before clearing anything.
- Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
- Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.
Important notes
- Trim and engine offerings vary significantly by market; North America mainly gets FB25D and FA24F, Japan and others receive FB24 naturally aspirated versions
- 7th generation Legacy introduced in 2020 model year, continuing into 2023 with minor updates only