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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 774 (Manual Transaxle RS5F70A) >> MAINSHAFT And Gears >> Disassembly

MAINSHAFT And Gears: Disassembly

WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
  1. Before disassembly, measure gear end play with a suitable tool.
    1. Gear end play: Refer to  GEAR END PLAY   .
    • If end play is not within the specified limit, disassemble and check the parts.
    Fig 1: Measuring Gear End Play
    G02022898Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Remove snap ring with a suitable tool.
    Fig 2: Removing Snap Ring
    G02022899Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Remove C-ring holder and mainshaft C-ring.
    Fig 3: Removing C-Ring Holder & Mainshaft C-Ring
    G02022900Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Press out mainshaft rear bearing from mainshaft using Tool.
    Fig 4: Pressing Mainshaft Rear Bearing Out
    G02022901Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Remove mainshaft thrust washer.
    Fig 5: Removing Mainshaft Thrust Washer & Reverse Main Gear Assembly
    G02022902Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Remove snap ring from mainshaft. then, remove reverse main gear assembly, reverse gear needle bearing, and reverse gear baulk ring.
  7. Place bearing replacer between 5th and reverse synchronizer hub and 5th main gear, and press out both reverse gear bushing and 5th and reverse synchronizer assembly using Tool.
    Fig 6: Pressing Out Reverse Gear Bushing, 5th & Reverse Synchronizer Hub Assembly
    G02022903Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Remove 5th main gear, 5th gear baulk ring, and 5th gear needle bearing.
  9. Place bearing replacer between 3rd and 4th main gears, and press out both 5th gear bushing and 4th main gear using Tool.
    Fig 7: Pressing Out 5th Gear Bushing & 4th Main Gear
    G02022904Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Remove mainshaft adjusting shim and spacer.
  11. Place bearing replacer between 2nd main gear and 1st and 2nd synchronizer hub, and press out both 3rd and 2nd main gears.
    Fig 8: Pressing 3rd & 2nd Main Gears Out
    G02022905Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Remove 2nd double cone assembly, 2nd gear bushing, and coupling sleeve assembly.
  13. Place bearing replacer on 1st gear front side, and press out all of 2nd gear bushing, 1st and 2nd synchronizer hub, 1st main gear, and 1st double cone using Tool.
    Fig 9: Pressing 2nd Gear Bushing, 1st & 2nd Synchronizer Hub & 1st Main Gear Out
    G02022906Courtesy of NISSAN MOTOR CO., U.S.A.
  14. Remove 1st gear needle bearing.
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