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Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 202 (Front Final Drive) >> Unit Disassembly And Assembly >> Differential Assembly >> Adjustment >> Tooth Contact

Tooth Contact

WARNING: This page is about a different car, the 2016 Infiniti QX80. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove carrier cover. Refer to DISASSEMBLY .
  2. Apply red lead to the drive gear.
    G04076208Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION:

    Apply red lead to both the faces of 3 to 4 gears at 4 locations evenly spaced on the drive gear.

  3. Rotate the drive gear back and forth several times. Then check for correct drive pinion to drive gear tooth contact as shown.
    G04076209Courtesy of NISSAN NORTH AMERICA, INC.
    CAUTION:

    Check tooth contact on drive side and reverse side.

    G04175075Courtesy of NISSAN NORTH AMERICA, INC.
  4. If the tooth contact is improperly adjusted, adjust the drive 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), use a thicker drive pinion height adjusting washer to move drive pinion closer to the 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), use a thinner drive pinion height adjusting washer to move the drive pinion farther from the drive gear.
      G04076234Courtesy of NISSAN NORTH AMERICA, INC.

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

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