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Manual Transmission And Differential: General Description: Specifications

  1. Manual Transmission and Differential 
    Fig 1: Manual Transmission & Differential Specifications
    G00916310Courtesy of SUBARU OF AMERICA, INC.
  2. TRANSMISSION GEAR OIL 

    Recommended oil 

    Fig 2: Transmission Gear Oil Specification
    G00916311Courtesy of SUBARU OF AMERICA, INC.
  3. TRANSMISSION CASE ASSEMBLY 

    Drive pinion shim adjustment

    Hypoid gear backlash 0.13 - 0.18 mm (0.0051 - 0.0071 in)

    Fig 3: Drive Pinion Shim Specification Chart
    G00916312Courtesy of SUBARU OF AMERICA, INC.
    Fig 4: Main Shaft Rear Plate Specification Chart
    G00916313Courtesy of SUBARU OF AMERICA, INC.
  4. DRIVE PINION ASSEMBLY 

    Preload adjustment of thrust bearing

    Starting torque 0.3 - 0.8 N.m (0.03 - 0.08 kgf-m, 0.2 - 0.6 ft-lb)

    Fig 5: Adjusting Washer No. 1 Specification Chart
    G00916314Courtesy of SUBARU OF AMERICA, INC.
    Fig 6: Adjusting Washer No. 2 Specification Chart
    G00916315Courtesy of SUBARU OF AMERICA, INC.
  5. MAIN SHAFT 

    Snap ring (Outer-25) to synchronizer hub clearance 0.060 - 0.100 mm (0.0024 - 0.0039 in)

    Fig 7: Snap Ring Specification Chart
    G00916316Courtesy of SUBARU OF AMERICA, INC.
  6. REVERSE IDLER GEAR 

    Adjustment of reverse idler gear position

    Reverse idler gear to transmission case (LH) wall clearance 6.0 - 7.5 mm (0.236 - 0.295 in)

    Fig 8: Reverse Shifter Idler Specification Chart
    G00916317Courtesy of SUBARU OF AMERICA, INC.

    After installing a suitable reverse shifter lever, adjust the reverse idler gear to transmission case wall clearance to within 0 to 0.5 mm (0 to 0.020 in) using washers.

    Fig 9: Washer Specification Chart
    G00916318Courtesy of SUBARU OF AMERICA, INC.
  7. SHIFTER FORK AND ROD 

    Select the suitable shifter forks so that both coupling sleeve and reverse driven gear are positioned in the center of their synchromesh mechanisms. Rod end clearance

    1. A: 1st-2nd - 3rd-4th 0.4 - 1.4 mm (0.016 - 0.055 in)
    2. B: 3rd-4th - 5th 0.5 - 1.3 mm (0.020 - 0.051 in)
    Fig 10: 1st-2nd Shifter Fork Remarks Chart
    G00916319Courtesy of SUBARU OF AMERICA, INC.
    Fig 11: 3rd-4th Shifter Fork Remarks Chart
    G00916320Courtesy of SUBARU OF AMERICA, INC.
    Fig 12: 5th Shifter Fork Remarks Chart (Non-Turbo Model)
    G00916321Courtesy of SUBARU OF AMERICA, INC.
    Fig 13: 5th Shifter Fork Remarks Chart (Turbo Model)
    G00916322Courtesy of SUBARU OF AMERICA, INC.
  8. TRANSFER CASE OR REAR CASE 

    Neutral position adjustment

    Fig 14: Adjustment Shim Specification Chart
    G00916323Courtesy of SUBARU OF AMERICA, INC.
    Fig 15: Reverse Accent Shaft Specification Chart
    G00916324Courtesy of SUBARU OF AMERICA, INC.

    Reverse check plate adjustment

    Fig 16: Reverse Check Plate Adjustment Chart
    G00916325Courtesy of SUBARU OF AMERICA, INC.
  9. EXTENSION ASSEMBLY 

    Thrust washer (50 x 61 x t) to taper roller bearing table outer race side clearance

    1. 0.2 - 0.3 mm (0.0008 - 0.012 in)
    NOTE: Be sure to keep the clearance within specifications.
    Fig 17: Thrust Washer Specification Chart
    G00916326Courtesy of SUBARU OF AMERICA, INC.

    Thrust washer to center differential side clearance

    1. 0.15 - 0.35 mm (0.0059 - 0.0138 in)
    Fig 18: Thrust Washer To Center Differential Side Clearance Chart
    G00916327Courtesy of SUBARU OF AMERICA, INC.
  10. FRONT DIFFERENTIAL 

    Bevel gear to pinion backlash

    1. 0.13 - 0.18 mm (0.0051 - 0.0071 in)
    Fig 19: Washer Specification Chart
    G00916328Courtesy of SUBARU OF AMERICA, INC.

    Pinion shaft to axle drive shaft clearance

    1. 0 - 0.2 mm (0 - 0.008 in)
    Fig 20: Snap Ring Specification Chart
    G00916329Courtesy of SUBARU OF AMERICA, INC.
  11. TRANSFER DRIVE GEAR 

    Snap ring (Outer-30) to ball bearing clearance

    1. 0.01 - 0.15 mm (0.0004 - 0.0059 in)
    Fig 21: Snap Ring Specification Chart
    G00916330Courtesy of SUBARU OF AMERICA, INC.