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Home >> Subaru >> 2018 >> WRX Base >> Repair and Diagnosis >> Transmission >> Manual Trans >> Manual Transaxle & Differential (TY75) >> 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 differential bevel gear.
    G12452920
  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) (TY75)>Front Differential Assembly>INSPECTION>DIFFERENTIAL BEVEL PINION GEAR BACKLASH 
    NOTE: Be sure the differential bevel pinion gear teeth contact 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

    G05003114
  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, crimp the area around the hole, and make sure that the straight pin will not come out.

    ST 899904100

    STRAIGHT PIN REMOVER

    G08548760
  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

    G05003116
  5. Install the hypoid driven gear using twelve bolts.

    Tightening Torque:

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

    G12452924