Impreza WRX STI F4-2.5L Turbo (2008)
CAUTION: Do not force the piston into cylinder.
6) Position the boot in the grooves on cylinder and piston.
INSPECTION
1) Repair or replace the faulty parts.
2) Check the caliper body and piston for uneven wear, damage or rust.
3) Check the rubber parts for damage or deterioration.
Rear
DISASSEMBLY
1) Remove the piston boots from each piston end.
2) Place a wooden block in the caliper body as shown in the figure to prevent the piston from jumping out and being damaged.
3) Gradually apply compressed air via the brake hose installation hole to push the piston out.
