2012 SUBARU Legacy FB25/EZ36 (BM/BR)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Head gasket issues primarily in earlier generations, less common in 2012 FB25
• Oil consumption under extended intervals
• CVT transmission concerns in some markets require monitoring

First checks

• Inspect oil level and quality regularly
• Monitor CVT transmission responsiveness
• Check for coolant leaks and proper level

Avant de remplacer des pièces

• 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

• Engine and trim variations depend strongly on market (e.g., USA, Japan, Australia).
• Legacy models share mechanical architecture but some features and equipment levels differ by region.