SRAM eTap AXS Service Manual page 13

Firmly press a rubber-tipped air chuck nozzle into the banjo port. Hold
7
the caliper securely against a rubber surface and force air into the
banjo port to dislodge the piston from the caliper.
⚠ CAUTIO N - E YE HAZARD
Wear safety glasses. The caliper piston may dislodge rapidly from the
caliper, which can lead to bodily injury or damage to the parts. Point
the caliper piston toward a rubber surface to prevent the piston from
becoming a projectile.
Remove the retention bolt, the piston removal tool, the piston, and the
8
piston plug from the caliper.
Remove the piston seals from each piston bore.
9
Do not scratch the seal gland with the pick. Scratches could cause
fluid to leak when the brake is applied, which will contaminate the
brake pads and could lead to a brake failure.
⚠ CAUTI ON
Rubber-tipped air chuck nozzle
2.5 mm
Pick
13
Caliper Piston Removal