Gear Components

WARNING: This page is about a different car, the 2005 Nissan 350Z. However, it is still accessible from the selected car via links, so may be relevant.

Install 5th - 6th coupling sleeve and 5th - 6th shifting insert in the 5th - 6th synchronizer hub.
CAUTION: Install 5th - 6th coupling sleeve with the larger chamfer on the rear side.

Fig 1: Installing 5th - 6th Coupling Sleeve With Larger Chamfer On Rear Side
Courtesy of NISSAN MOTOR CO., U.S.A.
Install 5th - 6th spread spring in the 5th - 6th shifting insert.

Fig 2: Installing 5th - 6th Spread Spring In 5th - 6th Shifting Insert
Courtesy of NISSAN MOTOR CO., U.S.A.
CAUTION:
- Do not install 5th - 6th spread spring hook onto the same 5th - 6th shifting insert.
- Be careful with the shape of reserve shifting insert to avoid misassembly.
Fig 3: Identifying Shifting Insert
Courtesy of NISSAN MOTOR CO., U.S.A.
Install 6th needle bearing, 6th main gear and 6th baulk ring on the main shaft and then using an inserter and a press to press fit the 5th - 6th synchronizer assembly.
- Tool number: ST30911000 (-)
  
  Fig 4: Fitting 5th - 6th Synchronizer Assembly
  Courtesy of NISSAN MOTOR CO., U.S.A.
CAUTION:
- The 5th - 6th synchronizer hub is not reusable. Never reuse it.
- When press fitting, install with the side having the three boss edge oil grooves facing the rear side.
  
  Fig 5: When Press Fitting, Install With The Side Having The Three Boss Edge Oil Grooves Facing The Rear Side
  Courtesy of NISSAN MOTOR CO., U.S.A.
NOTE: 5th and 6th baulk rings have three spaces that two gear teeth are missing as shown in the figure.

Fig 6: 5th & 6th Baulk Rings Three Spaces
Courtesy of NISSAN MOTOR CO., U.S.A.
Select and install a snap ring so that the end play comes within the standard value. Refer to "SNAP RINGS ".
- End play: 0 -0.10 mm (0 - 0.004 in)
CAUTION: Snap rings are not reusable. Never reuse them.

Fig 7: Inspecting Snap Ring End Play
Courtesy of NISSAN MOTOR CO., U.S.A.
Install 1st - 2nd coupling sleeve and 1st - 2nd shifting insert into the 1st - 2nd synchronizer hub.
CAUTION: Install 1st - 2nd coupling sleeve with the thicker flange faced the front side.

Fig 8: Install 1st - 2nd Coupling Sleeve With Thicker Flange Facing Front Side
Courtesy of NISSAN MOTOR CO., U.S.A.
Install 1st - 2nd spread spring in the 1st - 2nd shifting insert.

Fig 9: Installing 1st - 2nd Spread Spring In 1st - 2nd Shifting Insert
Courtesy of NISSAN MOTOR CO., U.S.A.
CAUTION:
- Do not install 1st - 2nd spread spring hook onto the same 1st - 2nd shifting insert.
- Be careful with the shape of reverse shifting insert to avoid misassembly.
Fig 10: 1st - 2nd & Reverse Shifting Insert
Courtesy of NISSAN MOTOR CO., U.S.A.
Install 2nd main gear, 2nd needle bearing, 2nd inner baulk ring, 2nd synchronizer cone, 2nd outer baulk ring on the main shaft and then using a support ring and a press to press fit the 1st -2nd synchronizer assembly.
- Tool number:ST27861000( - )
  
  Fig 11: Installing 2nd Main Gear
  Courtesy of NISSAN MOTOR CO., U.S.A.
CAUTION:
- The 1st - 2nd synchronizer hub is not reusable. Never reuse it.
- When press fitting, install with the side having the three boss edge oil grooves facing the front side.
Fig 12: When Press Fitting, Install With The Side Having The Three Boss Edge Oil Grooves Facing The Rear Side
Courtesy of NISSAN MOTOR CO., U.S.A.

NOTE: 1st baulk ring has three spaces that one gear tooth is missing and 2nd baulk ring has three spaces that two gear teeth are missing.

Fig 13: 1st Baulk Ring & 2nd Baulk Ring
Courtesy of NISSAN MOTOR CO., U.S.A.
Using a support ring and a press to press fit the 1st gear bushing.
- Tool number:ST27861000( - )
Fig 14: Installing 1st Gear Bushing
Courtesy of NISSAN MOTOR CO., U.S.A.
Install 1st outer baulk ring, 1st synchronizer cone, 1st inner baulk ring, 1st needle bearing, and 1st main gear on the main shaft and then using the inserter and a press to press fit the 3rd main gear.
- Tool number: ST30022000 ( - )
CAUTION: 3rd main gear is not reusable. Never reuse it.

Fig 15: Installing 3rd Main Gear
Courtesy of NISSAN MOTOR CO., U.S.A.
Install 3rd - 4th main spacer on the main shaft and then using the inserter and a press to press fit the 4th main gear.
- Tool number: ST30022000 ( - )
CAUTION:
- 4th main gear is not reusable. Never reuse it.
- When installing, set boss to rear side.
Fig 16: Installing 4th Main Gear
Courtesy of NISSAN MOTOR CO., U.S.A.
Using the inserter and a press to press fit the main shaft bearing onto the main shaft.
- Tool number:ST30911000( - )
Fig 17: Installing Main Shaft Bearing Onto Main Shaft
Courtesy of NISSAN MOTOR CO., U.S.A.
Using the inserter and a press to press fit the reverse main gear bushing onto the main shaft.
- Tool number:ST30911000( - )
Fig 18: Installing Reverse Main Gear Bushing Onto Main Shaft
Courtesy of NISSAN MOTOR CO., U.S.A.
Using the inserter and a press to press fit the 3rd gear bushing onto the counter shaft.
- Tool number:ST30911000( - )
Fig 19: Installing 3rd Gear Bushing Onto Counter Shaft
Courtesy of NISSAN MOTOR CO., U.S.A.
Install 3rd - 4th coupling sleeve and 3rd - 4th shifting insert into the 3rd - 4th synchronizer hub.
CAUTION: Install 3rd - 4th coupling sleeve with the thicker flange faced the front side.

Fig 20: Install 3rd - 4th Coupling Sleeve & 3rd - 4th Shifting Insert Into The 3rd - 4th Synchronizer Hub
Courtesy of NISSAN MOTOR CO., U.S.A.
Install 3rd - 4th spread spring in the 3rd - 4th shifting insert.

Fig 21: Installing 3rd - 4th Spread Spring In 3rd - 4th Shifting Insert
Courtesy of NISSAN MOTOR CO., U.S.A.
CAUTION:
- Do not install 3rd - 4th spread spring hook onto the same 3rd - 4th shifting insert.
- Be careful with the shape of reverse shifting insert to avoid misassembly.
Fig 22: Reverse Shifting Insert
Courtesy of NISSAN MOTOR CO., U.S.A.
Install 3rd needle bearing, 3rd counter gear, 3rd inner baulk ring, 3rd synchronizer cone, and 3rd outer baulk ring on the counter shaft and then using the inserter and a press to press fit the 3rd - 4th synchronizer assembly.
- Tool number: ST30911000( - )
CAUTION:
- The 3rd - 4th synchronizer hub is not reusable. Never reuse it.
Fig 23: Installing 3rd - 4th Synchronizer Assembly
Courtesy of NISSAN MOTOR CO., U.S.A.

NOTE: 4th baulk ring has three spaces that one gear tooth is missing but 3rd baulk ring doesn't.

Fig 24: 3rd Baulk Ring & 4Th Baulk Ring
Courtesy of NISSAN MOTOR CO., U.S.A.
Install 4th outer baulk ring, 4th synchronizer cone, 4th inner baulk ring , 4th needle bearing and 4th counter gear onto the counter shaft and then using the inserter and a press to press fit the 4th gear bushing and 4th counter gear thrust washer.
- Tool number: KV40100630 (J26092)
Fig 25: Installing 4th Gear Bushing & 4th Counter Gear Thrust Washer
Courtesy of NISSAN MOTOR CO., U.S.A.
Using the inserter and a press to press fit the counter rear bearing inner race onto the counter shaft.
- Tool number: ST30032000 (J26010-01)
Fig 26: Installing Counter Rear Bearing Inner Race Onto Counter Shaft
Courtesy of NISSAN MOTOR CO., U.S.A.
Using the drift and a press to press fit the main drive gear bearing onto the main drive gear.
- Tool number: KV32102700 ( - )
Fig 27: Installing Main Drive Gear Bearing Onto Main Drive Gear
Courtesy of NISSAN MOTOR CO., U.S.A.
Select and install a snap ring to the main drive gear bearing so that the end play comes within the standard value. Refer to "SNAP RINGS ".
- End play: 0 -0.10 mm (0 -0.004 in)
CAUTION: Snap rings are not reusable. Never reuse them.

Fig 28: Installing Snap Ring
Courtesy of NISSAN MOTOR CO., U.S.A.
Install main shaft and counter shaft combined in one unit to adapter plate, and fix bearing with snap ring.
CAUTION: Snap rings are not reusable. Never reuse them.

Fig 29: Install Main Shaft & Counter Shaft Combined In One Unit To Adapter Plate, & Fix Bearing With Snap Ring
Courtesy of NISSAN MOTOR CO., U.S.A.
Install counter rear bearing onto the adapter plate using soft hammer or the equivalent.

Fig 30: Installing Counter Rear Bearing Onto Adapter Plate
Courtesy of NISSAN MOTOR CO., U.S.A.
Apply genuine medium strength locking sealant or equivalent refer to the bolt (first 3 to 4 threads), screw the bolt into the main shaft bearing retainer, and tighten it to the specified torque. Refer to "CASE COMPONENTS "

Fig 31: Installing Main Shaft Bearing Retainer Bolt
Courtesy of NISSAN MOTOR CO., U.S.A.
Install reverse coupling sleeve and reverse shifting insert into the reverse synchronizer hub.
CAUTION: Install reverse coupling sleeve with the flat flange on the rear side.

Fig 32: Install Reverse Coupling Sleeve & Reverse Shifting Insert Into The Reverse Synchronizer Hub
Courtesy of NISSAN MOTOR CO., U.S.A.
Install reverse spread spring in the reverse shifting insert.
CAUTION: Do not install reverse spread spring hook onto the same reverse shifting insert.

Fig 33: Installing Reverse Spread Spring In Reverse Shifting Insert
Courtesy of NISSAN MOTOR CO., U.S.A.
After installing reverse main gear bushing, reverse main needle bearing, reverse main gear, and reverse baulk ring onto the main shaft, using the drift and press plate and a press to press fit the reverse synchronizer assembly.
- Tool number (A): KV32103300 (J46529)
- Tool number (B): ST01530000 (-)
  
  Fig 34: Installing Reverse Synchronizer Assembly
  Courtesy of NISSAN MOTOR CO., U.S.A.
CAUTION:
- The reverse synchronizer hub is not reusable. Never reuse it.
- When installing, face the side with three ditches to the front side.
Install reverse coupling snap ring.

Fig 35: Reverse Synchronizer Hub
Courtesy of NISSAN MOTOR CO., U.S.A.

NOTE: Reverse baulk ring has three spaces that two gear teeth are missing, and each space has small ditch for identification as shown in the figure.

Fig 36: Reverse Baulk Ring Three Spaces
Courtesy of NISSAN MOTOR CO., U.S.A.
Select and install a snap ring so that the end play comes within the standard value. Refer to "SNAP RINGS ".
- End play: 0 -0.10 mm (0 -0.004 in)
CAUTION: Snap rings are not reusable . Never reuse them.

Fig 37: Installing Snap Rings
Courtesy of NISSAN MOTOR CO., U.S.A.
After installing counter rear bearing spacer, press and fit reverse counter gear onto counter shaft with drift and press.
- Tool number: ST23860000 ( - )
CAUTION:
- Reverse counter gear is not reusable. Never reuse it.
- When installing counter rear bearing spacer, maker's stamp should face to the rear
Fig 38: Installing Reverse Counter Gear Onto Counter Shaft
Courtesy of NISSAN MOTOR CO., U.S.A.
Select and install a snap ring so that the end play comes within the standard value. Refer to "SNAP RINGS ".
- End play: 0 -0.10 mm (0 - 0.004 in)
CAUTION: Snap rings are not reusable. Never reuse them.

Fig 39: Installing Snap Rings
Courtesy of NISSAN MOTOR CO., U.S.A.