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Front Disc Brake Assembly: Assembly

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check each part. Ref. to BRAKE>FRONT DISC BRAKE ASSEMBLY>INSPECTION .
  2. Install the slide pin, slide pin lock, and pin boot to the support front disc brake.
    1. Apply a thin coat of grease to the contact surface of the slide pin bushing of the slide pin lock.

      Preparation items: 

      Grease: An item contained in the piston seal kit, NIPPON GREASE NIGLUBE RX-2 (part No. 000041000) or equivalent

      G14602180Courtesy of SUBARU OF AMERICA, INC.
    2. Install a slide pin bushing to the slide pin lock.
    3. Apply a thin coat of grease to the slide pin and the slide pin lock.

      Preparation items: 

      Grease: An item contained in the piston seal kit, NIPPON GREASE NIGLUBE RX-2 (part No. 000041000) or equivalent

      G14602181Courtesy of SUBARU OF AMERICA, INC.
    4. Apply a thin coat of grease to the contact surface of the support front disc brake pin boot and the pin sliding surface.

      Preparation items: 

      Grease: An item contained in the piston seal kit, NIPPON GREASE NIGLUBE RX-2 (part No. 000041000) or equivalent

      G14602182Courtesy of SUBARU OF AMERICA, INC.
    5. Install a pin boot to the slide pin and the slide pin lock, and insert them into the support front disc brake.
    CAUTION:

    After inserting the slide pin and slide pin lock into specified position, make sure that they slide and seat properly by moving each pin by hand. 

  3. Install the piston seal, the boot piston, and the piston disc brake to the caliper body.
    1. Clean the inside of the caliper body using brake fluid.

      Preparation items: 

      Brake fluid: Ref. to BRAKE>GENERAL DESCRIPTION>SPECIFICATION>BRAKE FLUID .

    2. Apply a thin coat of grease all around new piston seals.

      Preparation items: 

      Grease: An item contained in the piston seal kit or equivalent

    3. Install the piston seal to the groove inside caliper body.
    4. Apply a coat of brake fluid to the entire outer surface of the piston disc brake.

      Preparation items: 

      Brake fluid: Ref. to BRAKE>GENERAL DESCRIPTION>SPECIFICATION>BRAKE FLUID .

    5. Apply a thin coat of grease to the new boot piston.

      Preparation items: 

      Grease: An item contained in the piston seal kit or equivalent

      G14602183Courtesy of SUBARU OF AMERICA, INC.
    6. Install the boot piston to the groove on the ends of piston disc brake.
    7. Install the piston disc brake to the caliper body.
    CAUTION:

    Do not force the piston disc brake into the sliding part of caliper body.