Differential Case Assembly

Install the washer, differential bevel gear and differential bevel pinion in the differential case (RH). Insert the pinion shaft.
Attach the straight pin in the reverse direction.

Fig 1: Identifying Differential Case
Courtesy of SUBARU OF AMERICA, INC.
Install the washer and differential bevel gear to the differential case (LH). Put the differential case (RH) on the case, and assemble two cases.
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: Identifying Differential Case And Hypoid Driven Gear
Courtesy of SUBARU OF AMERICA, INC.

Measurement of backlash (Selection of washer)

Install the SUBARU genuine axle shaft to differential case.
Part No. 38415AA070 AXLE SHAFT
Measure the gear backlash using ST1 and ST2, and then insert ST2 from the access window of the case.
ST1 498247001 MAGNET BASE

ST2 498247100 DIAL GAUGE
NOTE:
- Measure the backlash by applying a differential bevel pinion tooth between two differential bevel gear teeth.
- Fix the differential bevel pinion gear in place with a screwdriver covered with cloth or similar tool when measuring.
Specification:

0.13 - 0.18 mm (0.0051 - 0.0071 in)

Fig 3: Measuring Gear Backlash
Courtesy of SUBARU OF AMERICA, INC.

If the backlash is not within specification, select a washer from the table below.

THICKNESS SPECIFICATION CHART