One problem related to engine noise has been reported for the 2017 Toyota Highlander. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2017 Toyota Highlander based on all problems reported for the 2017 Highlander.
In motion, there was no indicator light on board, just big noise started coming during start or speed of car. Engine cyl 6 rod bearing was faulty , making noise, dealer repaired it and not able to assure other bearings dont have any issues.