FixVault
Home › Subaru › 2009 › Outback R Limited › Repair and Diagnosis › Transmission › Automatic Trans › Automatic Transmission 5AT › Oil Pump Cover › Assembly › Front Brake

Front Brake

  1. Apply ATF to D-ring, and then install it to the front brake piston.
  2. Install the front brake piston to oil pump cover.
    NOTE: Install by aligning the "A" mark on front brake piston surface with the oil pump cover rib.
    Fig 1: Aligning A Mark On Front Brake Piston Surface
    G05022344Courtesy of SUBARU OF AMERICA, INC.
  3. Install the retainer and return spring.
  4. Install the front brake piston assembly using ST1, ST2 and ST3.

    ST1 18762AA000 COMPRESSOR SPECIAL TOOL

    ST2 18765AA000 COMPRESSOR SUPPORT

    ST3 18763AA000 COMPRESSOR SHAFT

    Fig 2: Installing Retainer And Return Spring
    G05022341Courtesy of SUBARU OF AMERICA, INC.
  5. Install the genuine driven plate instead of retainer plate, and temporarily assemble the drive plate and driven plate.

    Part No. 31536AA290 Driven plate

  6. Install the snap ring.
    Fig 3: Installing Snap Ring
    G05022340Courtesy of SUBARU OF AMERICA, INC.
  7. Measure the clearance between retainer plate and snap ring, and then select the suitable retainer plate from table.

    Front brake clearance specification: 0.7-1.1 mm (0.028 - 0.043 in) 

    Fig 4: Measuring Clearance Between Retainer Plate And Snap Ring
    G05022347Courtesy of SUBARU OF AMERICA, INC.
    THICKNESS CHART

    Front brake retainer plate
    Part No. Thickness mm (in)
    31567AB130 3.4(0.134)
    31567AB140 3.6(0.142)
    31567AB150 3.8(0.150)
    31567AB160 4.0(0.157)
  8. Remove the snap ring, replace the drive plate used in measurement of clearance with the retainer plate, and then reassemble.
About FixVault