Dust Seal, Piston Assembly 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.

Assemble the dust seal to the piston.
Assemble the lip of the dust seal to the groove of the caliper body with the dust seal is assembled to the piston as shown in the figure.

Fig 1: Locating Caliper Dust Seal And Piston
Courtesy of MAZDA MOTORS CORP.
Align the head of the spindle nut with the inner shape of the piston and press the piston into the caliper body completely.
CAUTION:
- If the piston is pushed into the caliper while rotating the piston, the caliper internal p arts could be damaged. Be careful not to rotate the piston when pushing the piston into the caliper.
Verify that the dust seal is installed into the caliper body groove.