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Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, RWD >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Rear Final Drive (R208) (Except Hybrid) >> Rear Final Drive: R208 >> Unit Disassembly And Assembly >> Differential Assembly >> Adjustment >> Tooth Contact

Tooth Contact

  1. Remove rear cover. Refer to Disassembly .
  2. Following the procedure below, install a dummy cover set [SST: KV381091S0 (--)] to gear carrier.
    1. Using rear cover mounting bolt, temporarily install color [SST: KV38109140 (--)] and dummy cover [SST: KV38109110 (--)] to gear carrier.
    2. Position colors and dummy cover spacers [SST: KV38109120 (--)] to dummy cover.
    3. Using dummy cover mounting bolt (rear cover mounting bolt), tighten bolts to the specified torque with colors. Refer to Exploded View .
    4. Tighten dummy cover spacer mounting bolts evenly to the specified torque.

      Tightening torque

      : 5.9 N.m (0.6 kg-m)
  3. Apply red lead to drive gear.
    GNSJPDID0359Z-359Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Apply red lead to both the faces of 3 to 4 gears at 4 locations evenly spaced on drive gear.
  4. Rotate drive gear back and forth several times, check drive pinion gear to drive gear tooth contact.
    G04076209Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION: Check tooth contact on drive side and reverse side.
    Fig 1: Tooth Contact Judgment Guide
    G04076351Courtesy of NISSAN NORTH AMERICA, INC.
  5. If tooth contact is improperly adjusted, follow the procedure below to adjust the pinion height (dimension X).
    G04076232Courtesy of NISSAN NORTH AMERICA, INC.
    • If the tooth contact is near the face (face contact), or near the heel (heel contact), thicken drive pinion height adjusting washer to move drive pinion closer to drive gear.
      G04076233Courtesy of NISSAN NORTH AMERICA, INC.

      For selecting adjusting washer, refer to the latest parts information.

    • If the tooth contact is near the flank (flank contact), or near the toe (toe contact), thin drive pinion height adjusting washer to move drive pinion farther from drive gear.
      G04076234Courtesy of NISSAN NORTH AMERICA, INC.

      For selecting adjusting washer, refer to the latest parts information.

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