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Home >> Nissan-Datsun >> 2006 >> Altima SE-R, Standard >> Repair and Diagnosis >> Transmission >> Manual Transmission >> RS5F51A >> Transaxle Assembly >> Disassembly and Assembly >> Disassembly

Disassembly and Assembly: Disassembly

  1. Remove drain plug and filler plug.
  2. Remove park/neutral position switch and back-up lamp switch.
    Fig 1: Identifying Park/Neutral Position Switch And Back-Up Lamp Switch
    G04167759Courtesy of NISSAN MOTOR CO., U.S.A.
  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: Identifying Check Plugs, Check Springs, Check Balls And Shift Check Sleeve
    G04167760Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Remove transaxle case bolts.
    Fig 3: Identifying Transaxle Case Bolts
    G04167761Courtesy 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 mainshaft rear bearing located at bore plug hole, remove transaxle case.
  8. Remove the oil gutter and 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 using Tool.

    Tool number: KV381054S0 (J-34286) 

    Fig 4: Adjusting Shim Using Tool
    G04167762Courtesy of NISSAN MOTOR CO., U.S.A.
  11. Remove welch plug, using a suitable tool
    Fig 5: Removing Welch Plug
    G04167763Courtesy of NISSAN MOTOR CO., U.S.A.
  12. Remove differential oil seal, using a suitable tool
    Fig 6: Removing Differential Oil Seal
    G04167764Courtesy of NISSAN MOTOR CO., U.S.A.
  13. Remove magnet from clutch housing.
  14. With shift lever in 5th position, remove bracket bolts from reverse lever assembly. Lift reverse lever assembly to remove.
    CAUTION: Be careful not to lose shifter cap.
    Fig 7: Identifying Bracket Bolts
    G04167765Courtesy of NISSAN MOTOR CO., U.S.A.
  15. Pull out reverse fork rod then remove reverse shift fork.
  16. Shift 3rd & 4th fork rod to 3rd position. Remove retaining pin of 5th shift fork using a suitable tool.
    Fig 8: Identifying Retaining Pin Of 5th Fork
    G04167766Courtesy of NISSAN MOTOR CO., U.S.A.
  17. Remove stopper rings for 5th & reverse bracket.
    Fig 9: Identifying Stopper Rings
    G04167767Courtesy of NISSAN MOTOR CO., U.S.A.
  18. Pull out 5th & reverse fork rod and remove 5th shift fork and 5th & reverse bracket.
  19. Remove check balls (2 pieces) and interlock pin.
  20. Remove retaining pin of 3rd & 4th bracket using a suitable tool.
    Fig 10: Identifying Retaining Pin Of 3rd And 4th Bracket
    G04167768Courtesy of NISSAN MOTOR CO., U.S.A.
  21. Remove stopper rings for 3rd & 4th shift fork.
  22. Pull out 3rd & 4th fork rod and remove 3rd & 4th shift fork and bracket.
  23. Remove shift check sleeve from clutch housing.
  24. Remove retaining pin of 1st & 2nd shift fork using a suitable tool.
    Fig 11: Identifying Retaining Pin Of 1st And 2nd Shift Fork
    G04167769Courtesy of NISSAN MOTOR CO., U.S.A.
  25. Pull out 1st & 2nd with bracket.
  26. Remove 1st & 2nd shift fork.
  27. Remove retaining pin of 1st & 2nd bracket using a suitable tool and separate 1st & 2nd fork rod and bracket.
  28. Remove gear components from clutch housing in the following procedure.
    1. While tapping input shaft with plastic hammer, remove input shaft assembly, mainshaft assembly and reverse idler gear assembly as a set.
      CAUTION: Always withdraw mainshaft straight out. Failure to do so can damage resin oil channel on clutch housing side.
      Fig 12: Identifying Input Shaft Assembly, Mainshaft Assembly And Reverse Idler Gear Assembly
      G04167770Courtesy of NISSAN MOTOR CO., U.S.A.
    2. Remove final drive assembly.
  29. Remove the mainshaft bearing retainer and then the mainshaft front bearing using Tool.

    Tool number: KV381054S0 (J-34286) 

    Fig 13: Removing Mainshaft Bearing Using Tool
    G04167771Courtesy of NISSAN MOTOR CO., U.S.A.
  30. Remove the oil channel on the mainshaft side.
  31. Remove the differential oil seal (clutch housing side).
  32. Remove differential side bearing outer race (clutch housing side) using Tool.

    Tool number: KV381054S0 (J-34286) 

    Fig 14: Removing Differential Side Bearing Outer Race (Clutch Housing Side) Using Tool
    G04167772Courtesy of NISSAN MOTOR CO., U.S.A.
  33. Remove input shaft oil seal using a suitable tool.
    CAUTION: Be careful not to damage clutch housing.
    Fig 15: Removing Input Shaft Oil Seal Using Suitable Tool
    G04167773Courtesy of NISSAN MOTOR CO., U.S.A.
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