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Home >> Subaru >> 2018 >> Forester 2.5i, Standard Trans >> Repair and Diagnosis >> Transmission >> Manual Trans >> Manual Transaxle & Differential >> Front Differential Assembly >> Assembly >> Differential Case Assembly

Differential Case Assembly

  1. Install the differential bevel gear and differential bevel pinion together with adjusting washer, and insert the pinion shaft.
    NOTE: Face the chamfered side of adjusting washer toward bevel gear.
    G12516371Courtesy of SUBARU OF AMERICA, INC.
  2. Measure the backlash between the differential bevel gear and differential bevel pinion. Adjust the backlash if not within specified limit. Ref. to MANUAL TRANSMISSION AND DIFFERENTIAL (6MT)>Front Differential Assembly>INSPECTION>DIFFERENTIAL BEVEL PINION GEAR BACKLASH .
    NOTE: Be sure the pinion gear teeth contacts adjacent gear teeth during measurement.

    Standard backlash 

    0.13-0.18 mm (0.0051-0.0071 in)

    ST1 498247001 MAGNET BASE

    ST2 498247100 DIAL GAUGE

    G12516372Courtesy of SUBARU OF AMERICA, INC.
  3. Align the pinion shaft pin hole with the differential case pin hole, and drive the straight pin into the holes from the hypoid driven gear side using the ST.
    NOTE:
    • Use a new straight pin.
    • After driving the straight pin, crimp the area around the hole, and make sure that the straight pin will not come out.

    ST 899904100 STRAIGHT PIN REMOVER

    G12516373Courtesy of SUBARU OF AMERICA, INC.
  4. Install the taper roller bearing.
    CAUTION: Do not apply a load in excess of 10 kN (1 ton, 1.1 US ton, 1.0 Imp ton).
    NOTE: Be careful when handling because the taper roller bearing and the outer race are used as a set.

    ST1 499277100 BUSHING 1-2 INSTALLER

    ST2 398497701 SEAT

    G12516374Courtesy of SUBARU OF AMERICA, INC.
  5. Install the hypoid driven gear using twelve bolts.

    Tightening torque: 

    T: 62 N.m (6.3 kgf-m, 45.7 ft-lb)

    Fig 1: Hypoid Driven Gear Bolts (With Torque Specification)
    G12516375Courtesy of SUBARU OF AMERICA, INC.