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HOMESERVICE MANUALSSUBARU2014FORESTER 2.5I, ENG CD FB25BA, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 7 (AUTOMATIC TRANSMISSION CVT (TR690) - SERVICE INFORMATION)FRONT DIFFERENTIAL ASSEMBLYASSEMBLYDIFFERENTIAL CASE ASSEMBLY
2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard Trans

Differential Case Assembly

2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard TransSECTION Differential Case Assembly
WARNING: This page is about a different variant/trim than selected.
  1. Install the washer and differential bevel gear into differential case (LH).
    Fig 1: Installing Washer And Differential Bevel Gear Into Differential Case (LH)
    G06654722Courtesy of SUBARU OF AMERICA, INC.
  2. Install the differential bevel gear pinions into differential case (LH) and install the pinion shaft.
    Fig 2: Identifying Pinion Shaft, Differential Bevel Gear And Bevel Pinion
    G09482293Courtesy of SUBARU OF AMERICA, INC.
  3. Install the straight pin.
    Fig 3: Installing Straight Pin
    G06654724Courtesy of SUBARU OF AMERICA, INC.
  4. Install the differential case (RH) to hypoid driven gear and secure with vise.
    Fig 4: Identifying Differential Case (RH)
    G06654725Courtesy of SUBARU OF AMERICA, INC.
  5. Install the washer and differential bevel gear to the differential case (RH).
    Fig 5: Identifying Washer And Differential Bevel Gear
    G06654714Courtesy of SUBARU OF AMERICA, INC.
  6. Using the ST, install the hypoid driven gear by tightening the installation bolt.

    ST 18270KA020 SOCKET (E20)

    Tightening torque: 

    20 N.m (2.0 kgf-m, 14.8 ft-lb) 

    Fig 6: Identifying Hypoid Driven Gear Installation Bolts
    G06654712Courtesy of SUBARU OF AMERICA, INC.
  7. While checking the tightening angle with the angle gauge, further tighten the hypoid driven gear mounting bolts.

    Tightening angle: 

    28°±2° 

  8. 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 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 in place with a screwdriver covered with cloth, or a similar tool.

      Specification: 

      0.13 - 0.18 mm (0.0051 - 0.0071 in) 

      Fig 7: Measuring Backlash Between Differential Bevel Gear Teeth And Differential Bevel Pinion Tooth
      G06654728Courtesy of SUBARU OF AMERICA, INC.
    3. If the backlash is not within specification, select a washer from the table below and replace.
      Washer
      Part No. Thickness mm (in)
      803038021 0.95 (0.037)
      803038022 1.00 (0.039)
      803038023 1.05 (0.041)
  9. Using the ST, install the left and right taper roller bearings.

    ST1 499277100 BUSHING 1-2 INSTALLER

    ST2 398497701 SEAT

    Fig 8: Installing Left And Right Taper Roller Bearings
    G06654729Courtesy of SUBARU OF AMERICA, INC.
RENDER: 1.0x

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

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  • • 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.