Special Tools Required Belt tension release tool Snap-on YA9317 or equipment, commercially available

1. Check whether there is a change in the position of the auto-tensioner indicator before starring the engine and after starting the engine. If there is a change in the position, replace the auto-tensioner.

1. Check for abnormal noise from the tensioner pulley. If you hear abnormal noise, replace the tensioner pulley.

1. Remove the drive belt.