Passat Wagon V6-2792cc 28L DOHC (1994) Front Brake Caliper Service
1. Secure caliper in a suitable soft-jawed vise, then remove piston from bore by turning counterclockwise with caliper piston seating tool No. 3272,
or equivalent, Fig.2
2. Pry piston seals from groove, being careful not to score the piston bore.
3. Slide outer dust boot onto piston.
4. Lubricate piston and cylinder bore lightly with a suitable brake cylinder paste.
5. Insert inner lip of dust boot into groove of brake cylinder.
6. Press piston down, while turning clockwise. Turn piston in as far as possible. Outer lip of dust cap must slip into groove of piston.