Nissan Altima 2007-2012 Service Manual: Function diagnosis

M/T SYSTEM

System Diagram

CROSS-SECTIONAL VIEW

1. Transaxle case

2. 3rd input gear

3. 3rd-4th synchronizer hub

4. 3rd-4th coupling sleeve

5. 4th input gear

6. 5th input gear

7. 5th-6th synchronizer hub

8. 5th-6th coupling sleeve

9. 6th input gear

10. Input shaft rear bearing

11. Mainshaft rear bearing

12. 6th main gear

13. 5th main gear

14. 4th main gear

15. 3rd main gear

16. 2nd main gear

17. 1st-2nd synchronizer hub

18. 1st-2nd coupling sleeve

19. 1st main gear

20. Reverse main gear

21. Differential side bearing

22. Differential case assembly

23. Final gear

24. Speedometer drive gear

25. Mainshaft front bearing

26. Mainshaft

27. Input shaft

28. Input shaft front bearing

29. Clutch housing

30. Reverse idler shaft

31. Reverse idler gear (Front)

32. Reverse coupling sleeve

33. Reverse idler gear (Rear)

System Description

DOUBLE-CONE SYNCHRONIZER

Double-cone synchronizer is adopted for 3rd gear to reduce operating force of the shift lever.

TRIPLE-CONE SYNCHRONIZER

Triple-cone synchronizer are adopted for 1st and 2nd gears to reduce operating force of the shift lever.

REVERSE GEAR NOISE PREVENTION FUNCTION (SYNCHRONIZING METHOD)

Reverse gear can be matched smoothly in a structure by setting synchronizer hub (1) of reverse idler gear (5) [Rear], reverse coupling sleeve (2), reverse baulk ring (3), and reverse insert spring (4) to reverse idler gears, and letting reverse gear be synchronized.

6 : Reverse idler gear (Front)

    Symptom diagnosis
    NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING NVH Troubleshooting Chart Use the chart below to help you find the cause of the symptom. The numbers indicate the order of the inspection. ...

    Other materials:

    Rear lower link & coil spring
    Removal and Installation Removal 1. Loosen the rear lower link bolt and nut from the suspension member side. 2. Support the rear lower link by placing a suitable jack under the knuckle. 3. Remove the rear lower link adjusting bolt and nut from the suspension member side using power tool. ...

    Inspection and adjustment
    ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT  Service After Replacing TCM and Transaxle Assembly Perform the applicable service in the following sheet when replacing TCM or transaxle assembly. CAUTION: • Do not start the engine until the service is completed. • “TCM-POWER S ...

    Opener operation
    Instrument panel WARNING ● Do not drive with the trunk lid open. This could allow dangerous exhaust gases to be drawn into the vehicle. See “Exhaust gas” in the “Starting and driving” section of this manual. Intelligent Key ● Closely supervise children when they are ...