FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.
Home >> Nissan-Datsun >> 2011 >> Sentra L4-2.0L (MR20DE) >> Repair and Diagnosis >> Transmission and Drivetrain >> Manual Transmission/Transaxle >> Service and Repair >> Overhaul >> RS6F52A >> Disassembly And Assembly >> Part 1

Part 1





TRANSAXLE ASSEMBLY


Disassembly and Assembly


COMPONENTS

Case and Housing Components











Gear Components





















Shift Control Components











Final Drive Components











DISASSEMBLY





1. Remove drain plug and gasket from clutch housing.





2. Remove plug bolt and then plug and O-ring from clutch housing.





3. Remove plug and gasket from transaxle case.





4. Remove park/neutral position (PNP) switch (1) from transaxle case.
5. Remove back-up lamp switch (2) and plunger from transaxle case.

CAUTION:
Do not lose plunger.
6. Remove air breather tube (3) from transaxle case.





7. Remove guide bolt from transaxle case.





8. Remove retaining pin using suitable tool and then remove selector lever from transaxle case.





9. Remove transaxle case bolts.





10. Remove bore plug from transaxle case using suitable tool.

CAUTION:
- Do not damage transaxle case.
- Access bore plug from cutout (A) of transaxle case when removing.
11. Remove transaxle case following the procedures below.





a. Expand snap ring at mainshaft rear bearing accessing from the bore plug hole. Then pull up transaxle case from clutch housing until snap ring comes off.





b. With shifter lever A (1) held in the position shown, remove transaxle case from clutch housing.

CAUTION:
Do not drop adjusting shims.

NOTE:
Make sure to hold shifter lever A in the position shown. Otherwise transaxle case cannot be removed from clutch housing.





12. Remove oil gutter A (1) and oil gutter B (2) from transaxle case.










13. Remove snap ring from transaxle case.





14. Remove retaining pin using suitable tool and then remove shifter lever A and shifter lever B from transaxle case.










15. Remove differential side bearing outer race (transaxle case side) from transaxle case using Tool. Then remove differential side bearing adjusting shim from transaxle case.

CAUTION:
Do not damage transaxle case or differential side bearing outer race.





16. Remove differential side oil seal from transaxle case using suitable tool.

CAUTION:
Do not damage transaxle case.





17. Remove shifter lever oil seal (1) and striking rod oil seal (2) from transaxle case.

CAUTION:
Do not damage transaxle case.





18. Remove striking rod shim (1), striking rod adjusting shim (2), mainshaft rear bearing adjusting shim (3), input shaft rear bearing adjusting shim (4), and reverse idler gear adjusting shim (5).





19. Remove retaining pin of reverse shift fork (1) using suitable tool.










20. Rotate striking lever of striking rod assembly as shown. Then rotate reverse fork rod to a position where bracket of reverse fork rod does not interfere with striking lever of striking rod assembly.
21. Pull out reverse shift fork and reverse fork rod.





22. Remove retaining pin of 5th-6th shift fork (1) using suitable tool.










23. Remove retaining pin of 3rd-4th shift fork (1) using a suitable tool.
24. Pull out 3rd-4th fork rod (2).





25. Pull out 5th-6th shift fork (1) and 5th-6th fork rod (2).





26. Pull out 3rd-4th shift fork (1).





27. Remove retaining pin of 1st-2nd shift fork (1) using suitable tool.
28. Pull out 1st-2nd shift fork and 1st-2nd fork rod (2).





29. Remove striking rod assembly (1).





30. Remove gear components from clutch housing in the following procedure.
a. Remove a set of input shaft assembly, mainshaft assembly, and reverse idler gear assembly by tapping the tip of input shaft from the back of the clutch housing with a plastic hammer.

CAUTION:
Always withdraw mainshaft straight out. Failure to do so can damage resin oil channel on clutch housing side.
b. Remove final drive assembly.





31. Remove magnet from clutch housing.





32. Remove mainshaft bearing retainer and then mainshaft front bearing from clutch housing using the Tool.






CAUTION:
Do not damage clutch housing, mainshaft front bearing, or oil channel.
33. Remove oil channel from clutch housing.





34. Remove differential side bearing outer race (clutch housing side) from clutch housing using the Tool.






CAUTION:
Do not damage clutch housing or differential side bearing outer race.





35. Remove input shaft oil seal from clutch housing, using suitable tool.

CAUTION:
Do not damage clutch housing.





36. Remove differential side oil seal from clutch housing, using suitable tool.

CAUTION:
Do not damage clutch housing.

ASSEMBLY





1. Install differential side oil seal (1) to clutch housing using a suitable tool and Tool (A).






CAUTION:
- Do not reuse differential side oil seal.
- When installing, do not incline differential side oil seal.
- Do not damage clutch housing.





2. Install input shaft oil seal (1) to clutch housing using a suitable tool and Tool (A).






CAUTION:
- Do not reuse input shaft oil seal.
- When installing, do not incline input shaft oil seal.
- Do not damage clutch housing.





3. Install differential side bearing outer race (clutch housing side) to clutch housing using Tools.






CAUTION:
Replace differential side bearing and differential side bearing outer race as a set.





4. Install oil channel (1) on mainshaft side.

CAUTION:
When installing oil channel, fit the rib (A) of oil channel into the processed area of the spot facing (B).





5. Install mainshaft front bearing to clutch housing using Tool.






CAUTION:
Be careful with the orientation of mainshaft front bearing.





6. Install mainshaft bearing retainer (1) to clutch housing and tighten bolt to the specified torque.






CAUTION:
Install with punched surface facing up.





7. Install magnet to clutch housing.





8. Install final drive assembly into clutch housing.





9. Install input shaft assembly, mainshaft assembly, and reverse idler gear assembly into clutch housing.

CAUTION:
- Wrap a tape, etc. to the spline of input shaft so as not to damage the input shaft oil seal.
- Be careful with the orientation of reverse idler shaft.





10. Install striking rod assembly (1) into clutch housing.

CAUTION:





- Check that return spring is securely seated in the groove on return pin.





11. Install 1st-2nd shift fork (1) and 1st-2nd fork rod (2) and then install retaining pin to 1st-2nd shift fork.

CAUTION:
- Do not reuse retaining pin.
- Be careful with the orientation of 1st-2nd shift fork and
1st-2nd fork rod.
- Assemble retaining pin from the direction shown by the arrow until it becomes flush with the end surface of 1st-2nd shift fork.





12. Install 3rd-4th shift fork (1) to 3rd-4th coupling sleeve.

CAUTION:
Be careful with the orientation of 3rd-4th shift fork.





13. Install 5th-6th shift fork (1) and 5th-6th fork rod (2) and then install retaining pin to 5th-6th shift fork.

CAUTION:
- Do not reuse retaining pin.
- Be careful with the orientation of 5th-6th shift fork and
5th-6th fork rod.
- Assemble retaining pin from the direction shown by the arrow until it becomes flush with the end surface of 5th-6th shift fork.





14. Install 3rd-4th fork rod (2) and then install retaining pin to 3rd-4th shift fork (1).

CAUTION:
- Do not reuse retaining pin.
- Be careful with the orientation of 3rd-4th fork rod.
- Assemble retaining pin from the direction shown by the arrow until it becomes flush with the end surface of 3rd-4th shift fork.





15. Install reverse shift fork (1) and reverse fork rod (2).

CAUTION:
Be careful with the orientation of reverse shift fork and reverse fork rod.




pro multis Credits:Operation CHARM About Operation CHARM