"2005 Subaru Forester Knock Sensor" by Scotty Kilmer:
Link: https://www.youtube.com/watch?v=7kU8q20-u08
Remember, the specific steps and required tools for replacing the knock sensor may vary depending on the exact model and year of your Subaru Forester. It's important to ensure you have the proper knowledge and safety equipment necessary for vehicle repairs. If you're not confident in your ability to perform this kind of task, it's best to consult an experienced mechanic or auto repair professional.