If you’ve been hearing a chirping or squealing sound coming from the FB25 2.5 liter boxer engine in your 4th generation (2014, 2015, 2016, 2017 & 2018) Subaru Forester, you probably need to change the serpentine accessory (also known as the “fan” or “v-rib”) belt. Check out my DIY instructions for the procedure (with the compatible replacement part numbers) by clicking on the text link or thumbnail image below.
2014-2018 Subaru Forester Serpentine Belt Replacement Guide
