Side Bearing Preload

2013 Nissan-Datsun 370Z Base, 2D Convertible, Standard TransSECTION Side Bearing Preload
  • Before inspection and adjustment, drain gear oil.
  1. Remove rear cover. Refer to "DISASSEMBLYΒ ".
  2. Make sure all parts are clean. Also, make sure the bearings are well lubricated with gear oil.
  3. Place the differential case, with side bearings and bearing races installed, into gear carrier.
    Fig 1: Adjusting Side Bearing Washers
    G04876422Courtesy of NISSAN NORTH AMERICA, INC.
  4. Insert left and right original side bearing adjusting washers in place between side bearings and gear carrier.
    Fig 2: Inserting Left And Right Side Bearing Adjusting Washers
    G04876436Courtesy of NISSAN NORTH AMERICA, INC.
  5. Install bearing caps in their correct locations and tighten bearing cap mounting bolts.
  6. Turn the carrier several times to seat the bearings.
    Fig 3: Aligning Matching Marks On Bearing Cap And Gear Carrier
    G04876419Courtesy of NISSAN NORTH AMERICA, INC.
  7. Measure the turning torque of the carrier at the drive gear mounting bolts with a spring gauge [SST: - (J-8129)].

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

    Fig 4: Measuring Turning Torque Of Carrier Using Spring Gauge
    G04876357Courtesy of NISSAN NORTH AMERICA, INC.
  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.

    If the turning torque is less than the specified range: Use a thicker adjusting washer.Β 

    If the turning torque is greater than the specification: Use a thinner adjusting washer.Β 

    Fig 5: Turning Torque Specifications
    G04876358Courtesy of NISSAN NORTH AMERICA, INC.
RENDER: 1.0x

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When to See a Mechanic

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

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.