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HOMESERVICE MANUALSSUBARU2014OUTBACK 2.5I, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 8 (AUTOMATIC TRANSAXLE)FRONT DIFFERENTIAL ASSEMBLYASSEMBLYDIFFERENTIAL CASE ASSEMBLY
2014 Subaru Outback 2.5i, Standard Trans

Differential Case Assembly

2014 Subaru Outback 2.5i, Standard TransSECTION Differential Case Assembly
WARNING: This page is about a different variant/trim than selected.
  1. Install the washer, differential bevel gear and differential bevel pinion in the differential case (RH). Insert the pinion shaft.
  2. Attach the straight pin in the reverse direction.
    Fig 1: Installing Washer, Differential Bevel Gear And Differential Bevel Pinion In Differential Case (RH)
    G08579372Courtesy of SUBARU OF AMERICA, INC.
  3. Install the washer and differential bevel gear to differential case (LH). Put the differential case (LH) on the differential case (RH), and assemble the two differential cases.
  4. Install the hypoid driven gear and secure by tightening the bolt.

    Tightening torque: 

    70 N.m (7.1 kgf-m, 51.6 ft-lb) 

    Fig 2: Installing Hypoid Driven Gear
    G08579373Courtesy of SUBARU OF AMERICA, INC.
  5. Measurement of backlash (Selection of washer)
    1. Install the SUBARU genuine axle shaft to differential case.

      Part No. 38415AA070 Axle shaft

    2. Measure the gear backlash using ST1 and ST2, and then insert the ST2 through the access window of differential case.
      NOTE:
      • Measure the backlash by applying a differential bevel pinion tooth between two differential bevel gear teeth.
      • When measuring, fix the differential bevel pinion gear in place with a screwdriver covered with waste cloth, or a similar tool.

      Standard: 

      0.13 - 0.18 mm (0.0051 - 0.0071 in) 

      ST1 498247001 MAGNET BASE

      ST2 498247100 DIAL GAUGE

      Fig 3: Measuring Gear Backlash Using ST1 And ST2
      G05002724Courtesy of SUBARU OF AMERICA, INC.
    3. If the backlash is not within specification, select a washer from the table below.
      Washer
      Part No. Thickness mm (in)
      803038021 0.95 (0.037)
      803038022 1.00 (0.039)
      803038023 1.05 (0.041)
  6. Using the ST, install the taper roller bearing.

    ST 398487700 DRIFT

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.