Drive Belt Auto Tensioner Installation Note

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

To allow the drive belt auto tensioner to function correctly, always bleed the air from the drive belt auto tensioner using the following procedure after assembling the drive belt auto tensioner.

Install the drive belt auto tensioner to the engine.
CAUTION:
- To prevent damage to the drive belt auto tensioner, do not apply excessive torque after the tensioner moves full-stroke.
Insert the wrench onto the cast hexagon on the drive belt auto tensioner, move the drive belt auto tensioner up and down at full-stroke three times to bleed the air.

Courtesy of MAZDA MOTORS CORP.
NOTE:
- By moving the drive belt auto tensioner up and down full-stroke three times, the piston inside the tensioner moves to bleed the air.