One problem related to engine knocking noise has been reported for the 2013 Subaru Crosstrek. The most recently reported issues are listed below.
The contact owns a 2013 Subaru Crosstrek. While driving 65 mph, the check engine indicator illuminated and the contact heard a knocking sound in the engine. The rpms were registering high, the traction control indicator illuminated, and the cruise control stopped working with the indicator flashing on and off. The vehicle was pulled over to the side of the road. The dealer was called and wanted to diagnose the failure for a fee. The contact researched the failure and found NHTSA campaign number: 18v772000 (engine and engine cooling) related to the engine valve stem. The dealer (ramsey Subaru, 9625 hickman rd, urbandale, IA 50322, (515) 320-8781) stated that they could not cover the repair without the contact having a recall letter. The contact was in the military and had moved several times, which was why he did not receive the recall letter dated October 31, 2018. The manufacturer stated that there was an open recall and to contact the dealer. The failure mileage was 97,000.