Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, and make sure to turn the A/C switch OFF, then turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
2.
Check the position of the drive belt auto-tensioner indicator pointer (A).
3.
Start the engine, then check the position again with the engine idling. If the position of the indicator moves or fluctuates a lot, replace the drive belt auto-tensioner.
Set a wrench on the drive belt auto-tensioner from above the engine. Slowly turn the wrench in the direction of the arrow. Check that the drive belt auto-tensioner moves smoothly and without any abnormal noise. If the drive belt auto-tensioner does not move smoothly, or you hear any abnormal noise, replace the drive belt auto-tensioner.
NOTE:
This is a hydraulic type auto-tensioner, so you must turn the wrench slowly for at least 3 seconds.
Check the belt for cracks or damage.
Check for oil leakage from the damper rubber bellows.
