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Home >> Subaru >> 2023 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission System >> No. 3 Brake Cylinder >> Assembly

No. 3 Brake Cylinder: Assembly

  1. Install the No. 3 brake piston and a new O-ring.
    CAUTION: Be careful not to damage the O-ring.
    NOTE: Apply ATF to the O-ring.
    G16525965Courtesy of SUBARU OF AMERICA, INC.
    (A) O-ring
    (B) O-ring
    (C) No. 3 brake piston
    (D) No. 3 brake cylinder
  2. Set the No. 3 brake piston return spring to No. 3 brake piston.
  3. Compress the No. 3 brake piston return spring (B) using the ST and a press to install the snap ring (A).
    CAUTION: Do not let the foot of ST stand on the protrusion of the No. 3 brake piston return spring.

    Preparation tool: 

    ST: compressor special tool (18762AA030)

G16525962Courtesy of SUBARU OF AMERICA, INC.