80 Quattro L5-2309cc 2.3L SOHC (NG) (1988)
Fig. 3 Piston, installing
Slide dust boot onto piston
Fig. 4 Piston, installing
Lubricate piston and cylinder bore lightly with brake cylinder paste
Install piston and insert inner lip of dust boot into groove in brake cylinder
Fig. 5 Piston, installing
Press piston in as far as it will go
CAUTION: Outer lip of dust boot must slip into groove in piston.