Front Disc Brake Assembly: Assembly

Clean the inside of the caliper body using brake fluid.
Apply a coat of brake fluid to piston seal and install piston seal in the groove on caliper body.
Apply a coat of brake fluid to the inner surface of the caliper body cylinder and entire outer surface of the piston.
Apply a coat of specified grease to the piston boot and install it into the groove on tip of caliper body cylinder.
Grease:

NIGLUBE RX-2 (Part No. K0779GA102)
Insert the piston into caliper body cylinder.
CAUTION: Do not force the piston into caliper body cylinder.

Fig 1: Inserting Piston Into Caliper Body Cylinder
Courtesy of SUBARU OF AMERICA, INC.
Position the piston boot in the grooves on caliper body cylinder and piston.

Fig 2: Identifying Piston Boot In Grooves On Caliper Body Cylinder
Courtesy of SUBARU OF AMERICA, INC.
Apply a coat of the specified grease to the outer surface of lock pin (yellow) and guide pin (green), cylinder inner surface, and pin boot grooves.
Grease:

NIGLUBE RX-2 (Part No. K0779GA102)

Fig 3: Identifying Lock Pin (Yellow) And Guide Pin (Green) To Grease Applying Area
Courtesy of SUBARU OF AMERICA, INC.
Insert the lock pin (yellow) and guide pin (green) and each pin boots into the support.