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Home › Nissan-Datsun › 2006 › Altima SE-R, Standard › Repair and Diagnosis › Transmission › Manual Transmission › RS6F51A › 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.
    Fig 1: Identifying Park/Neutral Position Switch And Back-Up Lamp Switch
    G04167940Courtesy of NISSAN MOTOR CO., U.S.A.
  3. After removing the shift check and stopper bolt, remove the control assembly.
  4. Remove the 2 check ball plugs, 2 check springs, 2 check balls as shown. Discard the check ball plugs.
    CAUTION: Check ball plugs are not reusable.
    Fig 2: Identifying Check Ball Plugs
    G04167941Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Remove the transaxle case fixing bolts as shown.
    Fig 3: Removing Transaxle Case Fixing Bolts
    G04167942Courtesy 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.

    Tool number: KV381054S0 (J-34286) 

    Fig 4: Removing Differential Side Bearing Outer Race (Transaxle Case Side) Using Tool
    G04167943Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Remove the welch plug with a suitable tools as shown.
    Fig 5: Removing Welch Plug Using Suitable Tools
    G04167944Courtesy 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 Using Suitable Tool
    G04167945Courtesy 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.
    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: Identifying Shift Lever Bracket Bolts
    G04167946Courtesy 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 Retaining Pin
    G04167947Courtesy of NISSAN MOTOR CO., U.S.A.
  18. Pull out the reverse lever and the reverse bracket fork rod.
  19. Remove the check ball (2 pieces) and the interlock pin.
  20. 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 Shift Fork
    G04167948Courtesy of NISSAN MOTOR CO., U.S.A.
  21. Remove the stopper rings for the 5th-6th bracket.
    Fig 10: Removing Stopper Rings For 5th-6th Bracket
    G04167949Courtesy of NISSAN MOTOR CO., U.S.A.
  22. Pull out the 5th-6th fork rod and remove the 5th-6th shift fork and the 5th-6th bracket.
  23. Remove the check balls (2 pieces) and interlock pin.
  24. Remove the retaining pin of 3rd-4th bracket using pin punch.
  25. Remove the stopper rings for 3rd-4th shift fork.
    Fig 11: Removing Stopper Rings For 3rd-4th Shift Fork
    G04167950Courtesy of NISSAN MOTOR CO., U.S.A.
  26. Pull out the 3rd-4th fork rod and remove 3rd-4th shift fork and bracket.
  27. Remove the shift check sleeve from the clutch housing.
  28. Remove the retaining pin of 1st-2nd shift fork using a suitable pin punch.
    Fig 12: Removing Retaining Pin Of 1st-2nd Shift Fork
    G04167951Courtesy of NISSAN MOTOR CO., U.S.A.
  29. Pull out the 1st-2nd fork rod with bracket.
  30. Remove the 1st-2nd shift fork.
  31. Remove the retaining pin of 1st-2nd bracket using a suitable tool and separate the fork rod and bracket.
  32. 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: Identifying Gear Components
      G04167952Courtesy of NISSAN MOTOR CO., U.S.A.
  33. Remove the bearing retainer and then the mainshaft front bearing as shown.
  34. Remove the oil channel on the mainshaft side.
    Fig 14: Identifying Bearing Retainer And Mainshaft Front Bearing
    G04167953Courtesy of NISSAN MOTOR CO., U.S.A.
  35. Remove the differential oil seal (clutch housing side).
  36. Remove the differential side bearing outer race (clutch housing side) using Tool as shown.

    Tool number: KV381054S0 (J-34286) 

    Fig 15: Removing Differential Oil Seal (Clutch Housing Side)
    G04167954Courtesy of NISSAN MOTOR CO., U.S.A.
  37. Remove the input shaft oil seal using a suitable tool as shown.
    CAUTION: Do not damage the clutch housing sealing surface.
    Fig 16: Removing Input Shaft Oil Seal Using Suitable Tool
    G04167955Courtesy of NISSAN MOTOR CO., U.S.A.
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