Hi everyone I've got a 2010 forester and I'm after a bit of advice I had a bit of a meltdown with it and had the engine reconed new crank etc now 5000 miles later its got a knock and with the lockdown I've missed the warranty I've just dropped the sump off and no bit's of metal in there so that had me and I sieved the oil and found some bits of plastic so I was wondering if anyone has any idea what they might be