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Home >> Infiniti >> 2006 >> M35 Base >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Front Final Drive >> Front Final Drive Assembly >> Disassembly and Assembly >> Disassembly >> Drive Pinion Assembly

Drive Pinion Assembly

  1. Remove differential assembly. Refer to , "DIFFERENTIAL ASSEMBLY ".
  2. Remove drive pinion lock nut with a flange wrench.
    Fig 1: Removing Drive Pinion Lock Nut With Flange Wrench
    G04144420Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Put matching mark (B) on the end of drive pinion. The matching mark should be in line with the matching mark (A) on companion flange (1).
    CAUTION: For matching mark, use paint. Do not damage companion flange and drive pinion.
    Fig 2: Identifying Matching Mark On End Of Drive Pinion
    G04144421Courtesy of NISSAN MOTOR CO., U.S.A.
    NOTE: The matching mark (A) on the final drive companion flange (1) indicates the maximum vertical runout position.
    NOTE: When replacing companion flange, matching mark is not necessary.
  4. Remove companion flange using the suitable puller.
    Fig 3: Removing Companion Flange
    G04144422Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Press drive pinion assembly out of gear carrier.
    CAUTION: Do not drop drive pinion assembly.
  6. Remove front oil seal.
  7. Remove pinion front bearing inner race.
  8. Remove drive pinion bearing adjusting washer and drive pinion adjusting washer.
    Fig 4: Pressing Drive Pinion Assembly Out Of Gear Carrier
    G04144423Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Remove pinion rear bearing inner race and pinion height adjusting washer with replacer.

    Tool number A: ST30031000 (J-22912-01) 

    Fig 5: Identifying Pinion Rear Bearing Inner Race
    G04144424Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Tap pinion front/rear bearing outer races uniformly a brass rod or equivalent to removed.
    CAUTION: Be careful not to damage gear carrier.
    Fig 6: Tapping Pinion Front/Rear Bearing Outer Races Uniformly
    G04144425Courtesy of NISSAN MOTOR CO., U.S.A.