LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2023 >> Forester Base >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Rear Differential Mount Bushing >> Replacement

Rear Differential Mount Bushing: Replacement

CAUTION: Be sure to remove dirt and rust before work.
  1. Remove the rear differential. Ref. to DIFFERENTIALS>REAR DIFFERENTIAL (VA-TYPE)>REMOVAL .
  2. Fit the ST to the periphery of the sub frame cylinder, and make sure that the ST does not contact with welded spots (A) or spatters.
    CAUTION: If the ST rises on the welded spots (A) or spatters, the ST may be damaged during the operation. To avoid this, grind the excessive welds or spatters with a sander or equivalent so that the ST contacts the cylinder peripheral part.

    Preparation tool: 

    ST: SPECIAL TOOL A (41399FG010)

    G13225212Courtesy of SUBARU OF AMERICA, INC.
  3. Set the ST1, ST2, ST3, ST4 and ST5 as shown in the figure.
    CAUTION: Apply the molybdenum grease on the thread of the ST.

    Preparation tool: 

    ST1: SPECIAL TOOL SHAFT (41399FG091)

    ST2: SPECIAL TOOL NUT (41399FG070)

    ST3: SPECIAL TOOL SLEEVE (41399FG050)

    ST4: SPECIAL TOOL BEARING (41399FG080)

    ST5: SPECIAL TOOL A (41399FG010)

    G16337056Courtesy of SUBARU OF AMERICA, INC.
    (A) 5 mm (0.2 in) or less
  4. Set the ST1 and ST2 in the rear side of the rear differential mount bushing, and hold them.

    Preparation tool: 

    ST1: SPECIAL TOOL C (41399FG031)

    ST2: SPECIAL TOOL RING (41399FG061)

    G16337057Courtesy of SUBARU OF AMERICA, INC.
    (A) Front side
  5. Insert the ST set in the step 3. through the rear differential mount bushing hole from the front side, and screw in the ST1 by hand till the front end of ST1 comes out from the rear end of ST2 by approx. 3.0 mm (0.12 in).

    Preparation tool: 

    ST1: SPECIAL TOOL SHAFT (41399FG091)

    ST2: SPECIAL TOOL RING (41399FG061)

    G13199577Courtesy of SUBARU OF AMERICA, INC.
  6. Hold the ST1 to prevent it from rotating, and screw in the ST3 by hand till there is no loose fit on the ST2.
    CAUTION:
    • Check that the ST2 contacts the cylinder circumference of the sub frame.
    • Check that the ST is not tilted.

    Preparation tool: 

    ST1: SPECIAL TOOL SHAFT (41399FG091)

    ST2: SPECIAL TOOL A (41399FG010)

    ST3: SPECIAL TOOL NUT (41399FG070)

    G13199578Courtesy of SUBARU OF AMERICA, INC.
  7. Hold the ST1 with a tool to prevent it from rotating, and screw in the ST2 to remove the rear differential mount bushing.
    CAUTION:
    • Rotation of ST1 will damage the ST. Never rotate the ST1.
    • If the ST starts to tilt, stop the work and set the ST again.

    Preparation tool: 

    ST1: SPECIAL TOOL SHAFT (41399FG091)

    ST2: SPECIAL TOOL NUT (41399FG070)

    G13199579Courtesy of SUBARU OF AMERICA, INC.
  8. Set the ST1, ST2, ST3, ST4, ST5 and rear differential mount bushing as shown in the figure.
    CAUTION: Apply the molybdenum grease on the thread of the ST.
    NOTE:
    • Set the ST2 nut near to the end of ST1 screw.
    • Hold the rear differential mount bushing with the arrow marked side facing toward the rear side, and set the arrow mark facing upward.
    • Mark the bottom end of rear differential mount bushing to identify the installing direction.

    Preparation tool: 

    ST1: SPECIAL TOOL SHAFT (41399FG091)

    ST2: SPECIAL TOOL NUT (41399FG070)

    ST3: SPECIAL TOOL SLEEVE (41399FG050)

    ST4: SPECIAL TOOL BEARING (41399FG080)

    ST5: SPECIAL TOOL B (41399FG020)

    G16337061Courtesy of SUBARU OF AMERICA, INC.
    (A) Front side
    (B) Upside
    (C) 8 mm (0.31 in) or more
    (D) Marked position
    (E) Arrow mark
  9. Set the ST1 and ST2 in the rear side of the sub frame assembly rear, and hold them.

    Preparation tool: 

    ST1: SPECIAL TOOL D (41399FG041)

    ST2: SPECIAL TOOL RING (41399FG061)

    G13199581Courtesy of SUBARU OF AMERICA, INC.
  10. Insert the ST and rear differential mount bushing set in the step 8 through the sub frame from the front side, and screw in the ST2 by hand till the front end of ST2 comes out from the rear end of ST1 by approx. 3.0 mm (0.12 in).
    CAUTION: Set the rear differential mount bushing with its mark (a) facing the bottom end direction.

    Preparation tool: 

    ST1: SPECIAL TOOL SHAFT (41399FG091)

    ST2: SPECIAL TOOL RING (41399FG061)

    G13199582Courtesy of SUBARU OF AMERICA, INC.
  11. Hold the ST1 to prevent it from rotating, and screw in the ST2 by hand till there is no loose fit on the ST and the rear differential mount bushing.
    CAUTION: Make sure that the ST and rear differential mount bushing are not tilted.

    Preparation tool: 

    ST1: SPECIAL TOOL SHAFT (41399FG091)

    ST2: SPECIAL TOOL NUT (41399FG070)

    G13199583Courtesy of SUBARU OF AMERICA, INC.
  12. Screw in the ST2 while holding the ST1 with a tool to prevent it from rotating, and press-fit the rear differential mount bushing to the front end of sub frame cylinder.
    CAUTION:
    • Rotation of ST1 will damage the ST. Never rotate the ST1.
    • If the ST starts to tilt, stop the work and set the ST again.

    Preparation tool: 

    ST1: SPECIAL TOOL SHAFT (41399FG091)

    ST2: SPECIAL TOOL NUT (41399FG070)

    G13199584Courtesy of SUBARU OF AMERICA, INC.
  13. Make sure that the rear differential mount bushing is inserted to the front end of sub frame cylinder.
    G13199585Courtesy of SUBARU OF AMERICA, INC.
    (A) Front side
  14. Install the rear differential. Ref. to DIFFERENTIALS>REAR DIFFERENTIAL (VA-TYPE)>INSTALLATION .
scientia non olet · About LEMON Manuals