Rear Disc Brake Assembly: Assembly

WARNING: This page is about a different car, the 2011 Subaru Tribeca. However, it is still accessible from the selected car via links, so may be relevant.

Clean the inside of the caliper body using brake fluid.
Apply a coat of brake fluid to piston seal and install the piston seal to the caliper body groove.
Apply a coat of brake fluid to the inner surface of cylinder and the entire outer surface of the piston.
Apply grease contained in the piston seal kit to the boot, and install it to the groove at the ends of the cylinder.
Insert the piston into cylinder.
CAUTION: Do not force the piston into cylinder.
Position the boot in the grooves on piston and cylinder.

Fig 1: Identifying Piston, Piston Boot, Caliper Body And Piston Seal
Courtesy of SUBARU OF AMERICA, INC.
Apply grease contained in the piston seal kit to the guide pin, outer surface, sleeve outer surface, cylinder inner surface, and boot grooves.

Fig 2: Identifying Grease Applied Area Of Lock Pin Or Guide Pin
Courtesy of SUBARU OF AMERICA, INC.
Insert the guide pin boot to the support.
Insert the lock pin boot to support, and then insert the lock pin sleeve into the specified position.