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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R, Standard >> Repair and Diagnosis >> Transmission >> Manual Trans >> Manual Transaxle RS5F51A >> Transaxle Assembly >> Disassembly and Assembly >> Disassembly

Disassembly and Assembly: Disassembly

  1. Remove drain plug and filler plug.
    Fig 1: Locating PNP Switch, Stopper Bolt, Shift Check, Drain & Filler Plugs
    G02023001Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Remove park/neutral position switch and back-up lamp switch.
  3. After removing shift check and stopper bolt, remove control assembly.
  4. Remove check plugs (3 pieces), check springs (3 pieces), check balls (3 pieces) and shift check sleeve (1 piece).
    Fig 2: Locating Shifter Detent Springs & Balls
    G02023002Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Remove transaxle case fixing bolts.
    Fig 3: Locating Transaxle Case Fixing Bolts
    G02023003Courtesy of NISSAN MOTOR CO., U.S.A.
    6. CAUTION: Be careful not to damage transaxle case.
  6. Remove bore plug.
  7. While spreading the snap ring of mainshaft rear bearing located at bore plug hole, remove transaxle case.
  8. Remove oil gutter, baffle plate.
  9. Remove snap ring, mainshaft rear bearing adjusting shim and input shaft rear bearing adjusting shim from transaxle case.
  10. Remove differential side bearing outer race (transaxle case side) and then adjust shim.
    Fig 4: Removing Differential Side Bearing Outer Race With Puller
    G02023004Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Remove differential oil seal.
    Fig 5: Removing Differential Oil Seal
    G02023005Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Remove magnet from clutch housing.
    13. CAUTION: Be careful not to lose shifter cap.
    Fig 6: Locating Reverse Lever Mounting Bolts
    G02023006Courtesy of NISSAN MOTOR CO., U.S.A.
  13. With shift lever in 5th position, remove bracket bolts from reverse lever assembly. Lift reverse lever assembly to remove.
  14. Pull out reverse fork rod then remove reverse shift fork.
  15. Shift 3rd & 4th fork rod to 3rd position. Remove retaining pin of 5th shift fork using pin punch.
    Fig 7: Locating 5th Gear Shift Fork Retaining Pin
    G02023007Courtesy of NISSAN MOTOR CO., U.S.A.
  16. Remove stopper rings for 5th & reverse bracket.
  17. Pull out 5th & reverse fork rod and remove 5th shift fork and 5th & reverse bracket.
    Fig 8: Locating 5th Gear Stopper, Reverse Bracket & Fork
    G02023008Courtesy of NISSAN MOTOR CO., U.S.A.
  18. Remove check balls (2 pieces) and inter lock pin.
  19. Remove retaining pin of 3rd & 4th bracket using pin punch.
    Fig 9: Locating 3rd & 4th Gear Retaining Pin, Stopper Rings & Shift Fork
    G02023009Courtesy of NISSAN MOTOR CO., U.S.A.
  20. Remove stopper rings for 3rd & 4th shift fork.
  21. Pull out 3rd & 4th fork rod and remove 3rd & 4th shift fork and bracket.
  22. Remove shift check sleeve from clutch housing.
  23. Remove retaining pin of 1st & 2nd shift fork using pin punch.
    Fig 10: Locating 1st & 2nd Gear Shift Fork Retaining Pin
    G02023010Courtesy of NISSAN MOTOR CO., U.S.A.
  24. Pull out 1st & 2nd with bracket.
  25. Remove 1st & 2nd shift fork.
  26. Remove retaining pin of 1st & 2nd bracket using pin punch and separate 1st & 2nd fork rod and bracket.
  27. Remove gear components from clutch housing.
      CAUTION: Always withdraw mainshaft straight out. Failure to do so can damage resin oil channel on clutch housing side.
      Fig 11: Identifying Reverse Idler Gear, Final Drive, Input & Main Shaft Assemblies
      G02023011Courtesy of NISSAN MOTOR CO., U.S.A.
    1. While tapping input shaft with plastic hammer, remove input shaft assembly, mainshaft assembly and reverse idler gear assembly as a set.
    2. Remove final drive assembly.
  28. Remove bearing retainer and then the mainshaft front bearing.
    Fig 12: Locating Oil Channel, Bearing Retainer & Mainshaft Front Bearing
    G02023012Courtesy of NISSAN MOTOR CO., U.S.A.
  29. Remove oil channel on mainshaft side.
  30. Remove differential oil seal.
  31. Remove differential side bearing outer race (clutch housing side).
    32. CAUTION: Be careful not to damage clutch housing.
    Fig 13: Removing Input Shaft Oil Seal
    G02023013Courtesy of NISSAN MOTOR CO., U.S.A.
  32. Remove input shaft oil seal.
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