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Home › Nissan-Datsun › 2003 › 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. Fig 1: Removing Park/Neutral Position Switch And Back-Up Lamp Switch
    G01298642Courtesy of NISSAN MOTOR CO., U.S.A.
  3. After removing the shift check and stopper bolt, remove the control assembly.
  4. Remove the check plugs (4 pieces), check springs (4 pieces), check balls (4 pieces), and shift check sleeve (2 pieces) as shown.
    Fig 2: Removing Check Plugs, Check Springs, Check Balls And Shift Check Sleeve
    G01298643Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Remove the transaxle case fixing bolts as shown.
    Fig 3: Removing Transaxle Case Fixing Bolts
    G01298644Courtesy 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 (Transaxle Case Side)
    G01298645Courtesy 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
    G01298646Courtesy 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
    G01298647Courtesy of NISSAN MOTOR CO., U.S.A.
  13. Remove the magnet from the clutch housing.
  14. 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
    G01298648Courtesy of NISSAN MOTOR CO., U.S.A.
  15. Pull out the reverse fork rod then remove the reverse shift fork.
  16. Remove the retaining pin of the reverse bracket.
    Fig 8: Identifying Retaining Pin Of Reverse Bracket
    G01298649Courtesy of NISSAN MOTOR CO., U.S.A.
  17. Pull out the reverse lever and the reverse bracket fork rod.
  18. Remove the check ball (2 pieces) and the interlock pin.
  19. 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: Identifying Retaining Pin Of 5th-6th Shift Fork Using Pin Punch
    G01298650Courtesy of NISSAN MOTOR CO., U.S.A.
  20. Remove the stopper rings for the 5th-6th bracket.
    Fig 10: Identifying Stopper Rings For 5th-6th Bracket
    G01298651Courtesy of NISSAN MOTOR CO., U.S.A.
  21. Pull out the 5th-6th fork rod and remove the 5th-6th shift fork and the 5th-6th bracket.
  22. Remove the check balls (2 pieces) and interlock pin.
  23. Remove the retaining pin of 3rd-4th bracket using pin punch.
  24. Remove the stopper rings for 3rd-4th shift fork.
    Fig 11: Removing Retaining Pin And Stopper Rings Of 3rd-4th Bracket And Shift Fork
    G01298652Courtesy of NISSAN MOTOR CO., U.S.A.
  25. Pull out the 3rd-4th fork rod and remove 3rd-4th shift fork and bracket.
  26. Remove the shift check sleeve from the clutch housing.
  27. Remove the retaining pin of 1st-2nd shift fork using a suitable pin punch.
    Fig 12: Identifying Retaining Pin Of 1St-2Nd Shift Fork
    G01298653Courtesy of NISSAN MOTOR CO., U.S.A.
  28. Pull out the 1st-2nd fork rod with bracket.
  29. Remove the 1st-2nd shift fork.
  30. Remove the retaining pin of 1st-2nd bracket using a suitable pin punch and separate the fork rod and bracket.
  31. 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 Input Shaft Assembly, Mainshaft Assembly And Reverse Idler Gear Assembly
    G01298654Courtesy of NISSAN MOTOR CO., U.S.A.
  32. Remove the bearing retainer and then the mainshaft front bearing as shown.
    33. Fig 14: Removing Bearing Retainer, Mainshaft Front Bearing And Oil Channel
    G01298655Courtesy of NISSAN MOTOR CO., U.S.A.
  33. Remove the oil channel on the mainshaft side.
  34. Remove the differential oil seal (clutch housing side) using Tool as shown.
    Fig 15: Removing Differential Oil Seal (Clutch Housing Side)
    G01298656Courtesy of NISSAN MOTOR CO., U.S.A.
  35. Remove the differential side bearing outer race (clutch housing side) using Tool as shown.
    Fig 16: Removing Differential Side Bearing Outer Race (Clutch Housing Side)
    G01298657Courtesy of NISSAN MOTOR CO., U.S.A.
  36. Remove the input shaft oil seal using a suitable tool as shown.
    CAUTION: Do not damage the clutch housing sealing surface.
    Fig 17: Removing Input Shaft Oil Seal
    G01298658Courtesy of NISSAN MOTOR CO., U.S.A.
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