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Home › Nissan-Datsun › 2004 › Sentra SE-R Spec V › Repair and Diagnosis › Transmission › Manual Transaxle - RS6F51H › Transaxle Assembly › Disassembly and Assembly › Disassembly

Disassembly and Assembly: Disassembly

  1. Remove the drain plug and filler plug.
  2. Remove the park/neutral position switch and back-up lamp switch.
  3. After removing the shift check and stopper bolt, remove the control assembly.
    Fig 1: Removing Park/Neutral Position Switch And Back-Up Lamp Switch
    G00777445Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Remove the 2 check ball plugs, 2 check springs, and 2 check balls as shown. Discard the check ball plug.
    CAUTION: Check ball plugs are not reusable.
    Fig 2: Removing Check Ball Plugs, Check Springs, And Check Balls
    G00777446Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Remove the transaxle case bolts as shown.
    Fig 3: Removing Transaxle Case Bolts
    G00777447Courtesy of NISSAN MOTOR CO., U.S.A.
  6. Remove the bore plug.
    CAUTION: Be careful not to damage transaxle case.
  7. While spreading the snap ring of the mainshaft rear bearing located at bore plug hole, remove the transaxle case.
  8. Remove the oil gutter and baffle plate.
  9. Remove the snap ring, mainshaft rear bearing adjusting shim, and input shaft rear bearing adjusting shim from the transaxle case.
  10. Remove the differential side bearing outer race (transaxle case side) using Tool as shown, and then remove the adjusting shim.
    Fig 4: Removing Differential Side Bearing Outer Race
    G00777448Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Remove the welch plug with a suitable punch and hammer as shown.
    Fig 5: Removing Welch Plug
    G00777449Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Remove the differential oil seal with a suitable tool as shown.
    Fig 6: Removing Differential Oil Seal
    G00777450Courtesy of NISSAN MOTOR CO., U.S.A.
  13. Remove the magnet from the clutch housing.
  14. Remove the reverse check ball plug, reverse check spring, reverse shift check sleeve, and check ball. Discard the check ball plug.
    CAUTION:
    • Do not reuse the check ball plug.
    • Do not drop the check ball.
  15. With the shift lever in 5th position, remove the bracket bolts from the reverse lever assembly as shown. Lift the reverse lever assembly to remove.
    CAUTION: Retain the shifter cap for installation.
    Fig 7: Removing Bracket Bolts From Reverse Lever Assembly
    G00777451Courtesy of NISSAN MOTOR CO., U.S.A.
  16. Pull out the reverse fork rod then remove the reverse shift fork.
  17. Remove the retaining pin of the reverse bracket.
    Fig 8: Removing Reverse Shift Fork
    G00777452Courtesy of NISSAN MOTOR CO., U.S.A.
  18. Pull out the reverse lever bracket and reverse bracket fork rod.
  19. Remove the 5th-6th check ball plug, 5th-6th shift check spring, 5th-6th shift check sleeve, and check ball.
    CAUTION:
    • Do not reuse the check ball plug.
    • Do not drop the check ball.
  20. Remove the two check balls and the interlock pin.
  21. Shift the 3rd-4th fork rod to the 3rd position. Remove the retaining pin of the 5th-6th shift fork using a pin punch.
    Fig 9: Removing Retaining Pin Of 5th-6th Shift Fork
    G00777453Courtesy of NISSAN MOTOR CO., U.S.A.
  22. Remove the stopper rings for the 5th-6th bracket.
    Fig 10: Removing Stopper Rings For 5th-6th Bracket
    G00777454Courtesy of NISSAN MOTOR CO., U.S.A.
  23. Pull out the 5th-6th fork rod and remove the 5th-6th shift fork and the 5th-6th bracket.
  24. Remove the check balls (2 pieces) and interlock pin.
  25. Remove the retaining pin of 3rd-4th bracket using pin punch.
  26. Remove the stopper rings for 3rd-4th shift fork.
    Fig 11: Removing Stopper Rings For 3rd-4th Shift Fork
    G00777455Courtesy of NISSAN MOTOR CO., U.S.A.
  27. Pull out the 3rd-4th fork rod and remove 3rd-4th shift fork and bracket.
  28. Remove the shift check sleeve from the clutch housing.
  29. Remove the retaining pin of 1st-2nd shift fork using a suitable pin punch.
    Fig 12: Removing Retaining Pin Of 1st-2nd Shift Fork
    G00777456Courtesy of NISSAN MOTOR CO., U.S.A.
  30. Pull out the 1st-2nd fork rod with bracket.
  31. Remove the 1st-2nd shift fork.
  32. Remove the retaining pin of 1st-2nd bracket using a suitable pin punch and separate the fork rod and bracket.
  33. Remove the gear components from the clutch housing.
    1. While tapping the input shaft with a plastic hammer, remove the input shaft assembly, mainshaft assembly, and reverse idler gear assembly as a set.
      CAUTION: Always withdraw the mainshaft straight out. Failure to do so can damage the resin oil channel on the clutch housing side.
    2. Remove the final drive assembly.
      Fig 13: Removing Final Drive Assembly
      G00777457Courtesy of NISSAN MOTOR CO., U.S.A.
  34. Remove the bearing retainer and then the mainshaft front bearing as shown.
  35. Remove the oil channel on the mainshaft side.
    Fig 14: Removing Oil Channel On Mainshaft Side
    G00777458Courtesy of NISSAN MOTOR CO., U.S.A.
  36. Remove the differential oil seal (clutch housing side) using Tool as shown.
    Fig 15: Removing Differential Oil Seal
    G00777459Courtesy of NISSAN MOTOR CO., U.S.A.
  37. Remove the differential side bearing outer race (clutch housing side) using Tool as shown.
    Fig 16: Removing Differential Side Bearing Outer Race
    G00777460Courtesy of NISSAN MOTOR CO., U.S.A.
  38. Remove the input shaft oil seal using a suitable tool as shown.
    Fig 17: Removing Input Shaft Oil Seal
    G00777461Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION: Do not damage the clutch housing sealing surface.
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