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Rear Disc Brake Assembly: Assembly

WARNING: This page is about a different car, the 2012 Subaru Outback and 2012 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
  1. Before installation, check each part. Refer to , INSPECTION , Rear Disc Brake Assembly.
  2. Clean the inside of the caliper body cylinder using brake fluid.
  3. Apply a coat of brake fluid to piston seal and install the piston seal to the caliper body cylinder groove.
  4. Apply a coat of brake fluid to the inner surface of caliper body cylinder and the entire outer surface of the piston.
  5. Apply grease contained in the piston seal kit to the piston boot, and install it to the groove at the end of the cylinder.
  6. Insert the piston into caliper body cylinder.
    CAUTION: Do not force the piston into caliper body cylinder.
  7. Position the piston boot in the grooves on caliper body cylinder and piston.
    Fig 1: Positioning Piston Boot In Grooves On Caliper Body Cylinder And Piston
    G07915656Courtesy of SUBARU OF AMERICA, INC.
  8. Apply grease contained in the piston seal kit to the lock pin, guide pin outer surface, support cylinder inner surface, and pin boot grooves.
  9. Install the pin boot to the lock pin and guide pin, and insert it into the support cylinder.
CAUTION: Insert the lock pin and guide pin into specified position, and make sure that they slide and seat properly.
Fig 2: Identifying Pin Boot To Lock Pin And Guide Pin
G07915657Courtesy of SUBARU OF AMERICA, INC.