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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1624 (Front Final Drive) >> Front Final Drive Assembly >> Disassembly and Assembly >> Disassembly >> Drive Pinion Assembly
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Drive Pinion Assembly

WARNING: This page is about a different car, the 2005 Nissan Frontier. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove side shaft assembly. Refer to "SIDE SHAFT ".
  2. Remove differential assembly. Refer to "DIFFERENTIAL ASSEMBLY ".
  3. Remove drive pinion lock nut using flange wrench.

    Tool number: KV38108300 (J-44195) 

    Fig 1: Removing Drive Pinion Lock Nut
    G03595575Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Put matching mark on the end of drive pinion. The matching mark should be in line with the matching mark A on companion flange.
    CAUTION: For matching mark, use paint. Do not damage companion flange and drive pinion.
    NOTE: The matching mark A on the final drive companion flange indicates the maximum vertical runout position.

    When replacing companion flange, matching mark is not necessary.

  5. Remove companion flange using the suitable puller.
    Fig 2: Identifying Matching Mark On End Of Drive Pinion
    G03595576Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 3: Removing Companion Flange
    G03595577Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Press drive pinion assembly out of gear carrier. (Together with collapsible spacer.)
    CAUTION: Do not drop drive pinion assembly.
    Fig 4: Pressing Drive Pinion Assembly Out Of Gear Carrier
    G03595578Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Remove pinion rear bearing inner race and drive pinion height adjusting washer.

    Tool number: ST30031000 (J-22912-01) 

    Fig 5: Removing Pinion Rear Bearing Inner Race And Drive Pinion Height Adjusting Washer
    G03595579Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Remove front oil seal.
    CAUTION: Be careful not to damage gear carrier.
  9. Remove pinion front bearing inner race.
  10. Remove collapsible spacer.
    Fig 6: Removing Front Oil Seal
    G03595580Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Tap pinion front/rear bearing outer races uniformly a brass rod or equivalent to removed.
    CAUTION: Be careful not to damage gear carrier.
    Fig 7: Tapping Pinion Front/Rear Bearing Outer Races
    G03595581Courtesy of NISSAN MOTOR CO., U.S.A.
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