Dust Seal, Piston Assembly Note

WARNING: This page is about a different car, the 2016 Mazda CX-5. 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: Identifying Dust Seal And Piston
Courtesy of MAZDA MOTORS CORP.
Align the head of the ball and ramp 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 parts 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.
Verify that the piston grooves are at the positions shown in the figure.

Fig 2: Identifying Piston Groove Center Position
Courtesy of MAZDA MOTORS CORP.
- If the piston grooves are not at the positions shown in the figure, rotate the piston clockwise slowly using the SST and adjust the piston grooves at the positions shown in the figure.
Fig 3: Rotating Piston Clockwise
Courtesy of MAZDA MOTORS CORP.