2017 SUBARU Legacy FB25/FA20DIT (BM/BR)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Head gasket wear on older FB engines not common in 2017
• CVT fluid overheating in severe conditions if not maintained

First checks

• CVT fluid condition
• Timing chain tension and noise
• Oil leaks around valve cover gasket

Vor dem Teiletausch

• 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

• The 2017 Subaru Legacy was sold globally with variations in engine and features depending on market.
• The turbocharged FA20DIT engine was mainly available in US and select markets, while FB25 was widely used globally.