Brake Caliper Piston, Removing And Installing, Dual-Piston Brake: Removing
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2022 Audi SQ5, 2022 Audi Q5 e, 2022 Audi Q5, 2021 Audi SQ5, and 2021 Audi Q5 e. However, it is still accessible from the selected car via links, so may be relevant.
-- Force piston from brake caliper housing, one at a time, using compressed air.
Only one piston can be pressed out at a time. Secure opposite piston in brake caliper housing using piston resetting tool -a-. Block the other pistons, for example, using wooden blocks -b-. In addition, place a wooden board -c- in front of the piston resetting tool so that the piston will not be damaged when pressed out.
Removal Tool -VAS40338-
-- Carefully pry the protective cap -1- and the seal out of the brake caliper with the Removal Tool -VAS40338- -2- using gentle lever movements, and do not damage the groove for the protective cap in the brake caliper while doing so.
When removing, make sure that the cylinder surface is not damaged.