Subaru EJ25 Head Gasket Problems

Common Problems

• External coolant leak at head gasket

  Severity: High · Mileage: 100,000–150,000 mi · Cost risk: High

• Oil burning (light consumption)

  Severity: Low · Mileage: Any · Cost risk: Low

• Timing belt failure if overdue

  Severity: High · Mileage: Per service interval · Cost risk: High

• PCV valve clogging

  Severity: Low · Mileage: 60,000+ mi · Cost risk: Low