One problem related to timing tensioner has been reported for the 2010 Toyota Corolla. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2010 Toyota Corolla based on all problems reported for the 2010 Corolla.
Cold start rattling. When car sit there for couple hours then start up, engine rattles for a brief 1-2 seconds camshaft failure/chain tensioner improper install.