Dust Cap, Removing And Installing: Installing
WARNING: This page is about a different car, the 2023 Volkswagen Arteon. However, it is still accessible from the selected car via links, so may be relevant.
-- Only clean the surfaces on the pistons and brake caliper with mineral spirits and then dry.
-- Place the protective cap in the groove -arrow- on the piston.
-- Re-install the piston in the direction of the -arrow-.
-- Push the protective cap on the brake caliper with the Seal Installer - Camshaft O-Ring:T10502 -2- and the Piston Resetting Tool:T 10145 -1- so that the protective cap is all around the brake caliper.