Caliper 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.
Press in the piston using a commercially available disc brake expander tool.
CAUTION:
- When pressing the piston into the caliper, the caliper internal parts could be damaged while rotating and pressing the piston. Be careful not to rotate the piston when pressing the piston into the caliper.
Fig 1: Disc Brake Expander Tool
Courtesy of MAZDA MOTORS CORP.
Install the caliper.