on a 2001 honda accord 4 cly do it have a free running or interference motor.
It has an interference motor.
http://www.gates.com/part_locator/index.cfm?location_id=3598
You may want to also change the water pump and tensioner while you’re there. I’d recomend doing so.
+1 for @thesamemountainbike. Preventative maintenance is the way to go.