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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 >> Assembly
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Disassembly and Assembly: Assembly

  1. Install a new input shaft oil seal from the clutch housing end of the side, to the depth of 1.8 - 2.8 mm (0.071 - 0.110 in) using Tool (drift) as shown.
    Fig 1: Installing Input Shaft Oil Seal
    G00777462Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION: Oil seals are not reusable.
  2. Install a new differential oil seal using Tool (drift) as shown.
    Fig 2: Installing Differential Oil Seal
    G00777463Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION: Oil seals are not reusable.
  3. Install the oil channel on the mainshaft side as shown.
    CAUTION: Position the oil channel with the orientation as shown, for installation.
    Fig 3: Installing Oil Channel On Mainshaft Side
    G00777464Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Install the mainshaft front bearing using Tool (drift) as shown.
    CAUTION: Position the mainshaft front bearing with the orientation as shown, for installation
    Fig 4: Installing Mainshaft Front Bearing
    G00777465Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Install the mainshaft front bearing retainer.
    Fig 5: Installing Mainshaft Front Bearing Retainer
    G00777466Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION: Install the bearing retainer with the punched surface facing up.

    Bearing retainer bolt: 6.27 - 8.33 N-m (0.64 - 0.84 kg-m, 56 - 73 in-lb) 

  6. Install the differential side bearing outer race using Tool as shown.
    Fig 6: Installing Differential Side Bearing Outer Race
    G00777467Courtesy of NISSAN MOTOR CO., U.S.A.
  7. Install the final drive assembly into the clutch housing.
    Fig 7: Installing Final Drive Assembly Into Clutch Housing
    G00777468Courtesy of NISSAN MOTOR CO., U.S.A.
  8. Install the input shaft assembly, mainshaft assembly, and reverse idler gear assembly into the clutch housing.
    CAUTION: Do not damage the input shaft oil seal.
    Fig 8: Installing Input Shaft Assembly, Mainshaft Assembly, And Reverse Idler Gear Assembly Into Clutch Housing
    G00777469Courtesy of NISSAN MOTOR CO., U.S.A.
  9. Install the 1st-2nd fork rod bracket onto the 1st-2nd fork rod, and then install a new retaining pin as shown.
    CAUTION: Retaining pins are not reusable.
    Fig 9: Installing 1st-2nd Fork Rod Bracket Onto 1st-2nd Fork Rod
    G00777470Courtesy of NISSAN MOTOR CO., U.S.A.
  10. Install the 1st-2nd fork rod and the 1st-2nd shift fork, and then install a new retaining pin.
    Fig 10: Installing 1st-2nd Fork Rod And 1st-2nd Shift Fork
    G00777471Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION: Retaining pins are not reusable.
  11. Install the shift check sleeve.
  12. install the 3rd-4th bracket, 3rd-4th shift fork, and 3rd-4th fork rod with the interlock pin.
    Fig 11: Installing 3rd-4th Bracket, 3rd-4th Shift Fork, And 3rd-4th Fork Rod With Interlock Pin
    G00777472Courtesy of NISSAN MOTOR CO., U.S.A.
  13. Install the new stopper rings onto the 3rd-4th shift fork.
    CAUTION: Stopper rings are not reusable.
  14. Install a new retaining pin onto the 3rd-4th bracket.
    CAUTION: Retaining pins are not reusable.
    Fig 12: Installing Stopper Rings Onto 3rd-4th Shift Fork
    G00777473Courtesy of NISSAN MOTOR CO., U.S.A.
  15. Install the 2 check balls.
  16. Install the 5th-6th bracket, 5th-6th shift fork, and 5th-6th fork rod.
  17. Install new stopper rings onto the 5th-6th bracket with interlock pin.
    CAUTION: Stopper rings are not reusable.
  18. Install a new retaining pin onto the 5th-6th shift fork.
    Fig 13: Installing Retaining Pin Onto 5th-6th Shift Fork
    G00777474Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION: Retaining pins are not reusable.
  19. Install the two check balls.
  20. Install the check ball, 5th-6th shift check sleeve, 5th-6th check spring, and 5th-6th check ball plug. Discard the check ball plug.
    CAUTION:
    • Do not reuse the check ball plug.
    • Do not drop the check ball.
  21. Install the reverse bracket fork rod and reverse lever bracket.
  22. Install a new retaining pin onto the reverse bracket.
    Fig 14: Installing Retaining Pin Onto Reverse Bracket
    G00777475Courtesy of NISSAN MOTOR CO., U.S.A.
    CAUTION: Retaining pins are not reusable.
  23. Install the reverse shift fork and reverse fork rod.
  24. Install the reverse lever assembly using the following steps:
    1. Install the shifter cap onto the reverse lever assembly cam, and then install them onto the reverse shift fork.
      Fig 15: Installing Reverse Lever Assembly
      G00777476Courtesy of NISSAN MOTOR CO., U.S.A.
      CAUTION: Do not drop the shifter cap.
    2. While lifting the reverse shift fork, align the cam with the reverse bracket.
      Fig 16: Tightening Bracket Bolts
      G00777477Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Tighten the bracket bolts to specification, and install the reverse lever assembly.

    Bracket bolts tightening torques: 11.8 -15.6 N-m (1.2 -1.5 kg-m, 9-11 ft-lb) 

    Fig 17: Applying Sealant To Mating Surfaces Of Transaxle Case And Clutch Housing
    G00777478Courtesy of NISSAN MOTOR CO., U.S.A.
  25. Install the check ball, reverse shift check sleeve, reverse check spring, and reverse check ball plug.
    CAUTION:
    • Do not reuse the check ball plug.
    • Do not drop the check ball.
  26. Install the magnet onto the clutch housing.
  27. Install the selected input shaft adjusting shim onto the input shaft.
  28. Install the baffle plate and oil gutter.
  29. Install the transaxle case using the following steps:
    1. Install the selected mainshaft rear bearing adjusting shim into the transaxle case.
    2. Temporarily install the snap ring of the mainshaft rear bearing into the transaxle case.
      CAUTION: Do not reuse the snap ring.
    3. Apply sealant to the mating surfaces of the transaxle case and clutch housing as shown. Use Genuine Anaerobic Liquid Gasket or equivalent. Refer to RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS .
      CAUTION: Remove any old sealant adhering to the mounting surfaces. Also remove any moisture, oil, or foreign material adhering to the sealant application and mounting surfaces.
      Fig 18: Installing Transaxle Case Over Clutch Housing
      G00777479Courtesy of NISSAN MOTOR CO., U.S.A.
    4. Using a snap ring of the mainshaft rear bearing temporarily, install the transaxle case over the clutch housing as shown.
      Fig 19: Installing Snap Ring Onto Mainshaft Rear Bearing
      G00777480Courtesy of NISSAN MOTOR CO., U.S.A.
    5. through the bore plug mounting hole, with the snap ring stretched, lift up the mainshaft assembly from the control assembly mounting hole.
    6. Securely install the snap ring onto the mainshaft rear bearing as shown.
      Fig 20: Identifying Color Of Bolts
      G00777481Courtesy of NISSAN MOTOR CO., U.S.A.
    7. Tighten the "A" bolts (gold) and new "B" bolts (black) to specification.

      "A" Bolt: 50.0 - 53.9 N-m (5.1 - 5.4 kg-m, 37 - 39 ft-lb) 

      "B" Bolt: 63.0 - 66.9 N-m (6.5 - 6.8 kg-m, 47 - 49 ft-lb) 

      CAUTION: Always replace the "B" bolts as they are self-sealing bolts.
      Fig 21: Installing Bore Plug
      G00777482Courtesy of NISSAN MOTOR CO., U.S.A.
    8. Install the control assembly using new O-rings.
      CAUTION: Do not reuse the O-ring.
    9. Install a new shift check and a new stopper bolt.
      CAUTION: Shift check and stopper bolt are not reusable.
  30. Install a new bore plug using Tool (drift) as shown.
    CAUTION: Bore plugs are not reusable.
    Fig 22: Installing Welch Plug
    G00777483Courtesy of NISSAN MOTOR CO., U.S.A.
  31. Install the new welch plug using Tool (drift).
    CAUTION: Do not reuse the welch plug
    Fig 23: Installing Check Balls, Check Springs, And Check Ball Plugs
    G00777484Courtesy of NISSAN MOTOR CO., U.S.A.
  32. Install the 2 check balls, 2 check springs, and 2 new check ball plugs.
    CAUTION: Check ball plugs are not reusable.
    Fig 24: Installing Neutral Switch And Reverse Lamp Switch
    G00777485Courtesy of NISSAN MOTOR CO., U.S.A.
  33. Apply sealant to the threads of the neutral switch and reverse lamp switch. Then install them into the transaxle case. Refer to: CASE AND HOUSING COMPONENTS ". Use Genuine Anaerobic Liquid Gasket or equivalent. Refer to RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS .
    Fig 25: Checking Thickness Of Adjusting Shim
    G00777486Courtesy of NISSAN MOTOR CO., U.S.A.
  34. Install new gaskets onto the drain plug and filler plug, and then install them into the transaxle case.
    CAUTION:
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