Rear Brake Caliper Component Installation Note

WARNING: This page is about a different car, the 2018 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Push the piston in using the commercially available disc brake expand tool.

Fig 1: Pushing Piston Using Commercially Available Disc Brake Expand Tool
Courtesy of MAZDA MOTORS CORP.
Install the rear brake caliper component.