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Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, RWD >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Rear Final Drive (R200) (Except Hybrid) >> Rear Final Drive: R200 >> Unit Disassembly And Assembly >> Differential Assembly >> Adjustment >> Side Bearing Preload

Side Bearing Preload

Before inspection and adjustment, drain gear oil.

  1. Remove rear cover. Refer to Disassembly .
  2. Make sure all parts are clean. Also, make sure the bearings are well lubricated with gear oil.
    G04076362Courtesy of NISSAN NORTH AMERICA, INC.
  3. Place the differential case, with side bearings and bearing races installed, into gear carrier.
  4. Insert left and right original side bearing adjusting washers in place between side bearings and gear carrier.
    G04076377Courtesy of NISSAN NORTH AMERICA, INC.
  5. Install bearing caps in their correct locations and tighten bearing cap mounting bolts.
    G04076359Courtesy of NISSAN NORTH AMERICA, INC.
  6. Turn the carrier several times to seat the bearings.
  7. Measure the turning torque of the carrier at the drive gear mounting bolts with a spring gauge [SST: -- (J-8129)].
    G04076263Courtesy of NISSAN NORTH AMERICA, INC.

    Specification

    : 34.2 - 39.2 N (3.5 - 4.0 kg, 7.7 - 8.8 lb) of pulling force at the drive gear bolt

  8. If the turning torque is outside the specification, use a thicker/thinner side bearing adjusting washer to adjust. For selecting adjusting washer, refer to the latest parts information.
    G04076264Courtesy of NISSAN NORTH AMERICA, INC.

    If the turning torque is less than the specified range:

    Use a thicker adjusting washer.

    If the turning torque is greater than the specification:

    Use a thinner adjusting washer.

    CAUTION: Select a side bearing adjusting washer for right and left individually.
  9. Record the total amount of washer thickness required for the correct carrier side bearing preload.