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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 1671 (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 2006 Nissan Pathfinder. 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 Tool.

    Tool number : KV38108300 (J-44195) 

    Fig 1: Removing Drive Pinion Lock Nut Using Tool
    G04175095Courtesy 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: Use paint for matching mark. Do not damage companion flange or drive pinion.
    Fig 2: Putting Matching Mark End Drive Pinion
    G04175096Courtesy of NISSAN MOTOR CO., U.S.A.
    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 suitable tool.
    Fig 3: Removing Companion Flange Using Suitable Tool
    G04175097Courtesy 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 Of Gear Carrier
    G04175098Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Remove pinion rear bearing inner race and drive pinion height adjusting washer using Tool.

    Tool number : ST30031000 (J-22912-01) 

    Fig 5: Removing Pinion Rear Bearing Pinion Height Adjusting Washer Using Tool
    G04175099Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Remove front oil seal using suitable tool.
    CAUTION: Do not damage gear carrier.
    Fig 6: Removing Front Oil Seal Using Suitable Tool
    G04175100Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Remove pinion front bearing inner race.
  10. Remove collapsible spacer.
  11. Tap pinion front/rear bearing outer races uniformly to remove them, using suitable tool.
    CAUTION: Do not damage gear carrier.
    Fig 7: Identifying Pinion Front/Rear Bearing Outer Races
    G04175101Courtesy of NISSAN MOTOR CO., U.S.A.
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