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Home >> Nissan-Datsun >> 2013 >> Pathfinder SL, 4WD >> Repair and Diagnosis >> Transmission >> Transfer Case >> Unit Disassembly And Assembly >> Drive Pinion >> Assembly

Drive Pinion: Assembly

  1. Select drive pinion adjusting shim. Refer to "ADJUSTMENT ".
  2. Assemble the selected drive pinion adjusting shim to drive pinion.
  3. Install the drive pinion to pinion bearing assembly with drift (commercial service tool).
    CAUTION:
    • Never reuse pinion bearing assembly.
    • Apply gear oil to pinion bearing part.
  4. Install oil seal to pinion bearing assembly with drift (A) (commercial service tool).
    CAUTION:
    • Never reuse the oil seal.
    • When installing, never incline oil seal.
    • Apply multi-purpose grease onto oil seal lips, and gear oil onto the circumference of the oil seal.
  5. Install dust cover.
    NOTE: Tighten dust cover together with pinion bearing assembly.
    Fig 1: Installing Oil Seal To Pinion Bearing Assembly Using Drift
    G08856140Courtesy of NISSAN NORTH AMERICA, INC.
  6. Install companion flange (1) to pinion bearing with drift (A) (commercial service tool).
  7. Apply anti-corrosive oil to the thread and seat of the lock nut, and adjust the pinion lock nut tightening torque and pinion bearing preload torque, using a preload gauge.
    1. Install pinion lock nut, and then tighten to the specified torque.

      Pinion lock nut tightening torque: 90±9 N.m (9.2±0.92kg-m, 66±7 ft-lb) 

      Fig 2: Installing Companion Flange To Pinion Bearing Using Drift
      G08856141Courtesy of NISSAN NORTH AMERICA, INC.
      CAUTION:
      • Never reuse pinion lock nut.
      • Check that pinion lock nut is seated on the companion flange.
    2. After tightening pinion lock nut to the specified torque, retighten the pinion lock nut by 25 degrees.
    3. Measure the pinion bearing preload.

      Pinion bearing preload: Refer to  "PRELOAD TORQUE ".

  8. Apply multi-purpose grease lightly and evenly onto an O-ring, and install it to the pinion bearing assembly.
    CAUTION:
    • Never reuse O-ring.
    • When installing O-ring, never use a tool.
    • Never damage O-ring.
  9. Install drive pinion assembly, and apply anti-corrosive oil onto thread and seats on the mounting bolts. Tighten to the specified torque.
    NOTE: Tighten dust cover together with pinion bearing assembly.
  10. Check backlash, tooth contact, total preload and companion flange runout. Refer to "ADJUSTMENT ".
    CAUTION: Measure the total preload without oil seals of transfer cover and transfer case.
    Fig 3: Locating Pinion Bearing Assembly Mounting Bolts
    G08856137Courtesy of NISSAN NORTH AMERICA, INC.
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