Page 22 of 62
MT-22
TRANSMISSION ASSEMBLY
Revision: 2006 November2007 350Z
Disassembly and AssemblyNCS00011
COMPONENTS
Case Components
1. Breather tube 2. Bracket 3. Filler plug
4. Gasket 5. Front cover oil seal 6. Front cover
7. Front cover gasket 8. Transmission case 9. Drain plug
10. Baffle plate 11. Sliding ball bearing 12. Magnet
13. Dowel pin 14. Bushing 15. Main shaft bearing retainer
16. Adapter plate 17. Oil gutter
A. Seal lip
Refer to GI-11, "
Components" and the followings for the symbols in the figure.
: Apply multi-purpose grease.
: Apply Genuine Silicone RTV or an equivalent. Refer to GI-45, "
Recommended Chemical Products and Sealants" .
: Apply Genuine Medium Strength Thread Locking Sealant or an equivalent. Refer to GI-45, "
Recommended Chemical
Products and Sealants" .
: For the bolt mounting positions, Refer to MT-56, "
Case Components" .
PCIB1917E
Page 23 of 62
TRANSMISSION ASSEMBLY
MT-23
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Revision: 2006 November2007 350Z
1. Rear extension upper cover 2. Rear extension upper cover gasket 3. Bracket
4. Sliding ball bearing 5. Bushing 6. Plunger
7. Park/Neutral position (PNP) switch 8. Rear extension oil gutter 9. Cap
10. Rear extension 11. Back-up lamp switch 12. Rear oil seal
13. Rear extension dust cover 14. Striking rod oil seal 15. Check ball
16. Check select spring
A. Seal lip
Refer to GI-11, "
Components" and the followings for the symbols in the figure.
: Apply multi-purpose grease.
: Apply Genuine Silicone RTV or an equivalent. Refer to GI-45, "
Recommended Chemical Products and Sealants" .
PCIB1918E
Page 24 of 62

MT-24
TRANSMISSION ASSEMBLY
Revision: 2006 November2007 350Z
Gear Components
1. Snap ring 2. Snap ring 3. Main drive gear bearing
4. Main drive gear 5. Main pilot bearing 6. Pilot bearing spacer
7. Snap ring 8. 5th baulk ring 9. 5th-6th spread spring
10. 5th-6th shifting insert 11. 5th-6th synchronizer hub 12. 5th-6th coupling sleeve
13. 6th baulk ring 14. 6th main gear 15. 6th needle bearing
16. Main shaft 17. 2nd main gear 18. 2nd needle bearing
19. 2nd inner baulk ring 20. 2nd synchronizer cone 21. 2nd outer baulk ring
22. 1st-2nd spread spring 23. 1st-2nd synchronizer hub 24. 1st-2nd shifting insert
25. 1st-2nd coupling sleeve 26. 1st outer baulk ring 27. 1st synchronizer cone
28. 1st inner baulk ring 29. 1st main gear 30. 1st needle bearing
31. 1st gear bushing 32. 3rd main gear 33. 3rd-4th main spacer
34. 4th main gear 35. Main shaft bearing 36. Snap ring
37. Reverse main gear 38. Reverse main needle bearing 39. Reverse main gear bushing
40. Reverse baulk ring 41. Reverse spread spring 42. Reverse synchronizer hub
43. Reverse shifting insert 44. Reverse coupling sleeve 45. Snap ring
46. Snap ring
PCIB1354E
Page 25 of 62
TRANSMISSION ASSEMBLY
MT-25
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Revision: 2006 November2007 350Z
1. Snap ring 2. Reverse counter gear 3. Counter rear bearing spacer
4. Counter rear bearing 5. Counter rear bearing inner race 6. 4th counter gear thrust washer
7. 4th gear bushing 8. 4th needle bearing 9. Counter front bearing
10. Counter shaft 11. 3rd gear bushing 12. 3rd needle bearing
13. 3rd counter gear 14. 3rd inner baulk ring 15. 3rd synchronizer cone
16. 3rd outer baulk ring 17. 3rd-4th spread spring 18. 3rd-4th synchronizer hub
19. 3rd-4th shifting insert 20. 3rd-4th coupling sleeve 21. 4th outer baulk ring
22. 4th synchronizer cone 23. 4th inner baulk ring 24. Reverse idler shaft
25. Reverse idler needle bearing 26. Reverse idler gear 27. Reverse idler thrust washer
28. 4th counter gear 29. Counter end bearing
PCIB1355E
Page 26 of 62
MT-26
TRANSMISSION ASSEMBLY
Revision: 2006 November2007 350Z
Shift Control Components
1. Check ball plug 2. Check ball spring 3. Check ball
4. Interlock pin 5. Retaining pin 6. Striking lever
7. 3rd-4th fork rod bracket 8. 3rd-4th fork rod 9. 3rd-4th fork rod (reversal side)
10. 1st-2nd fork rod 11. 1st-2nd shift fork 12. 3rd-4th shift fork
13. 5th-6th shift fork 14. 5th-6th fork rod (reversal side) 15. 5th-6th fork rod
16. Shiftier cap 17. 3rd-4th control lever 18. 5th-6th fork rod bracket
19. 5th-6th control lever 20. Adapter plate 21. Reverse fork rod
22. Reverse shift fork 23. Striking rod 24. Low/high control lever
25. Stopper ring 26. Interlock plunger
PCIB0902E
Page 27 of 62
TRANSMISSION ASSEMBLY
MT-27
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Revision: 2006 November2007 350Z
DISASSEMBLY
Case Components
1. Remove rear extension upper cover mounting bolts.
2. Remove rear extension upper cover and rear extension upper
cover gasket from the rear extension.
1. Control lever housing 2. Check shift pin 3. Control bracket
4. Return spring plug 5. Return spring plunger 6. Return spring
7. Rear extension 8. Boot 9. Control rod
10. Retaining pin
Refer to GI-11, "
Components" and the followings for the symbols in the figure.
: Apply gear oil.
: Apply Genuine Silicone RTV or an equivalent. Refer to GI-45, "
Recommended Chemical Products and Sealants" .
PCIB1919E
SCIA1393E
Page 28 of 62
MT-28
TRANSMISSION ASSEMBLY
Revision: 2006 November2007 350Z
3. Remove check select spring and check ball from the rear exten-
sion.
4. Remove retaining pin using a pin punch, and remove control
rod.
5. Remove Park/Neutral position (PNP) switch, plunger and back-
up lamp switch from the rear extension.
6. Remove control bracket mounting bolts. Then remove check
shift pin and control bracket as one unit from the rear extension.
7. Remove right and left return spring plugs. Then remove return
springs and return spring plungers from the rear extension.
CAUTION:
Return spring and return spring plunger have different
lengths for right and left sides. Identify right and left side
and then store.
8. Remove bracket mounting bolts. Then remove brackets from the
rear extension.
9. Remove rear oil seal from the rear extension using an oil seal
puller.
CAUTION:
Be careful not to damage rear extension.
PCIB0599E
SCIA1437E
SCIA1440E
SCIA1441E
Tool number : KV381054S0 (J-34286)
PCIB0196E
Page 29 of 62

TRANSMISSION ASSEMBLY
MT-29
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Revision: 2006 November2007 350Z
10. Remove rear extension mounting bolts. Using a soft hammer,
tap rear extension assembly to remove.
CAUTION:
Do not hold control lever housing to prevent bushing of
control lever housing from deformation when moving trans-
mission assembly.
11. Remove control lever housing mounting bolts, and remove con-
trol lever housing from the rear extension.
12. Remove striking rod oil seal from the rear extension. Refer to
MT-22, "
Case Components" .
CAUTION:
Be careful not to damage rear extension.
13. Remove rear extension oil gutter and cap from the rear extension. Refer to MT-22, "
Case Components" .
14. Remove reverse idler thrust washer, revers idler gear, and
reverse idler needle bearing from the reverse idler shaft.
15. Remove reverse idler shaft from the adapter plate.
16. Remove front cover mounting bolts, then remove front cover and
front cover gasket from the transmission case.
17. Remove front cover oil seal from the front cover, using a flat-
bladed screwdriver.
CAUTION:
Be careful not to damage front cover mating surface.
PCIB0141E
PCIB0152E
PCIB1920E
SCIA1399E