One problem related to radiator has been reported for the 2013 Subaru Impreza. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2013 Subaru Impreza based on all problems reported for the 2013 Impreza.
2 belts came apart at 65k miles & were replaced on 4/14/2018. Then again not even month after on 5/19/2018 2 belts were replaced again at 66k miles, and 3rd time on 8/18/2019 at 94k same 2 belts came apart and this time ruined radiator, engine and many other parts in the vehicle (vehicle would need to be taken apart to determine the damages) waiting to hear back from Subaru's asking to fix the vehicle st ubarus expense.