Impreza F4-2.5L SOHC (2003)
4) Remove the piston seal from caliper body cylinder.
5) Remove the guide pin and boot from caliper body.
ASSEMBLY
1) Clean the caliper body interior using brake fluid.
2) Apply a coat of brake fluid to the piston seal and fit piston seal in groove on caliper body.
3) Apply a coat of brake fluid to the entire inner surface of cylinder and outer surface of piston.
4) Apply a coat of specified grease to the boot and fit in the groove on ends of cylinder and piston boot onto cylinder.
Grease: NIGLUBE RX-2 (Part No. 003606000)
5) Insert the piston into cylinder.
CAUTION: Do not force the piston into cylinder.
6) Position the boot in grooves on cylinder and piston.
7) Apply a coat of specified grease to the lock pin and guide pin outer surface, cylinder inner surface, and boot grooves.
Grease: NIGLUBE RX-2 (Part No. 003606000)
