Free repair checklist
Oil Change Your Forester Right — and Catch the FB25 Consumption Issue Early
Subaru's FB25 engine has a known oil consumption issue — and the way you change the oil affects whether you catch it early. This free guide covers the exact 5.1-qt capacity, the active TSB, and the 33 ft-lb drain plug spec.
This checklist is a practical starting point. The DIY Mechanic System gives you a clearer path to diagnose the problem, plan the job, and complete the repair.
What this checklist covers
- Correct 5.1-qt capacity and oil consumption TSB explained — catch the FB25 issue before it costs you
- 33 ft-lb drain plug torque spec and crush washer replacement to prevent slow leaks
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