Disc Pad, Bolt Installation Note

WARNING: This page is about a different car, the 2017 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.

Clean the exposed area of the piston.
Push the piston in using a commercially available disc brake expander tool.
CAUTION:
- If the piston is pushed into the caliper while rotating the piston, the caliper internal parts could be damaged. Be careful not to rotate the piston when pushing the piston into the caliper.
Fig 1: Disc Brake Expander Tool Location
Courtesy of MAZDA MOTORS CORP.
Install the disc pads to the mounting support.
Return the caliper to the original position and install the bolt.