Differential Case ASSY

Install the washer and differential bevel gear into differential case (LH).

Fig 1: Identifying Washer And Differential Bevel Gear
Courtesy of SUBARU OF AMERICA, INC.
Install the differential bevel gear pinions into differential case (LH) and install the pinion shaft.

Fig 2: Identifying Differential Bevel Gear And Pinion Shaft
Courtesy of SUBARU OF AMERICA, INC.
Install the straight pin.

Fig 3: Installing Straight Pin
Courtesy of SUBARU OF AMERICA, INC.
Install the differential case (RH) to hypoid driven gear and secure with vise.

Fig 4: Identifying Differential Case
Courtesy of SUBARU OF AMERICA, INC.
Install the washer and differential bevel gear to the differential case (RH).

Fig 5: Identifying Differential Bevel Gear And Washer
Courtesy of SUBARU OF AMERICA, INC.
Using the ST, install the hypoid driven gear by tightening the installation bolt.
ST 18270KA020 SOCKET (E20)

Tightening torque:

69 N.m (7.0 kgf-m, 50.9 ft-lb)

Fig 6: Identifying Hypoid Driven Gear Mounting Bolt
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 the ST2 through the window of differential 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.
- When measuring, fix the differential bevel pinion gear in place with a screwdriver covered with waste cloth, or a similar tool.
Specification:

0.13 - 0.18 mm (0.0051 - 0.0071 in)

Fig 7: Measuring Backlash
Courtesy of SUBARU OF AMERICA, INC.
If the backlash is not within specification, select a washer from the table below and replace.

WASHER SPECIFICATIONS