Gear Components

WARNING: This page is about a different car, the 2006 Infiniti G35. 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.

Fig 1: Identifying 5th-6th Coupling Sleeve And 5th-6th Shifting Insert In 5th-6th Synchronizer Hub
Courtesy of NISSAN MOTOR CO., U.S.A.
CAUTION:
- Install 5th-6th coupling sleeve with the thicker flange on the front side.
- Do not reuse 5th-6th coupling sleeve and 5th-6th synchronizer hub.
- Replace 5th-6th coupling sleeve and 5th-6th synchronizer hub as a set.
Install 5th-6th spread spring in the 5th-6th shifting insert.

Fig 2: Identifying 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 reverse shifting insert to avoid misassembly.
Fig 3: Identifying Ditch Area
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.

Fig 4: Pressing-Fit 5th-6th Synchronizer Assembly Using Inserter And Press
Courtesy of NISSAN MOTOR CO., U.S.A.

Tool number : ST30911000 ( - )
CAUTION:
- Do not reuse 5th-6th synchronizer hub.
- When press fitting, install with the side having the three boss edge oil grooves facing the rear side.
Fig 5: Identifying Three Boss Edge Oil Grooves Facing Rear Side
Courtesy of NISSAN MOTOR CO., U.S.A.

NOTE: 5th and 6th baulk rings have three spaces that four gear teeth are missing as shown in the figure.

Fig 6: Identifying 5th And 6th Baulk Rings 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 ".

Fig 7: Identifying Snap Ring
Courtesy of NISSAN MOTOR CO., U.S.A.

End play : 0 - 0.10 mm (0 - 0.004 in)

CAUTION: Do not reuse snap ring.
Install 1st-2nd coupling sleeve and 1st-2nd shifting insert into the 1st-2nd synchronizer hub.

Fig 8: Identifying 1st-2nd Coupling Sleeve And 1st-2nd Shifting Insert Into 1st-2nd Synchronizer Hub
Courtesy of NISSAN MOTOR CO., U.S.A.

CAUTION: Install 1st-2nd coupling sleeve with the thicker flange faced the front side.
Install 1st-2nd spread spring in the 1st-2nd shifting insert.

Fig 9: Identifying 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: Identifying Ditch Area
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.

Fig 11: Identifying 2nd Main Gear Using Support Ring And Press
Courtesy of NISSAN MOTOR CO., U.S.A.

Tool number : ST27861000 ( - )

CAUTION: Replace 2nd inner baulk ring, 2nd synchronizer cone and 2nd outer baulk ring as a set.
CAUTION:
- Do not reuse 1st-2nd synchronizer hub.
- When press fitting, install with the side having the three boss edge oil grooves facing the front side.
Fig 12: Identifying Three Boss Edge Oil Grooves Facing Front Side
Courtesy of NISSAN MOTOR CO., U.S.A.

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

Fig 13: Locating Baulk Ring Spaces
Courtesy of NISSAN MOTOR CO., U.S.A.
Using a support ring and a press to press fit the 1st gear bushing.

Fig 14: Pressing-Fit 1st Gear Bushing Using Support Ring And Press
Courtesy of NISSAN MOTOR CO., U.S.A.

Tool number : ST27861000 ( - )
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.

Fig 15: Pressing-Fit 3rd Main Gear Using Inserter And Press
Courtesy of NISSAN MOTOR CO., U.S.A.

Tool number : ST30022000 ( - )

CAUTION: Do not reuse 3rd main gear.
Install 3rd-4th main spacer on the main shaft and then using the inserter and a press to press fit the 4th main gear.

Fig 16: Pressing Fit 4th Main Gear Using Inserter And Press
Courtesy of NISSAN MOTOR CO., U.S.A.

Tool number : ST30022000 ( - )
CAUTION:
- Do not reuse 4th main gear.
- When installing, set boss to rear side.
Using the inserter and a press to press fit the main shaft bearing onto the main shaft.

Fig 17: Pressing-Fit Main Shaft Bearing Onto Main Shaft Using Inserter And Press
Courtesy of NISSAN MOTOR CO., U.S.A.

Tool number : ST30911000 ( - )
Using the inserter and a press to press fit the reverse main gear bushing onto the main shaft.

Fig 18: Pressing-Fit Reverse Main Gear Bushing Onto Main Shaft Using Inserter And Press
Courtesy of NISSAN MOTOR CO., U.S.A.

Tool number : ST30911000 ( - )
Using the inserter and a press to press fit the 3rd gear bushing onto the counter shaft.

Fig 19: Pressing-Fit 3rd Gear Bushing Onto Counter Shaft Using Inserter And Press
Courtesy of NISSAN MOTOR CO., U.S.A.

Tool number : ST30911000 ( - )
Install 3rd-4th coupling sleeve and 3rd-4th shifting insert into the 3rd-4th synchronizer hub.

Fig 20: Identifying 3rd-4th Coupling Sleeve And 3rd-4th Shifting Insert Into 3rd-4th Synchronizer Hub
Courtesy of NISSAN MOTOR CO., U.S.A.
CAUTION:
- Install 3rd-4th coupling sleeve with the thicker flange faced the front side.
Install 3rd-4th spread spring in the 3rd-4th shifting insert.

Fig 21: Identifying 3rd-4th Coupling Sleeve With Thicker Flange Faced Front Side
Courtesy of NISSAN MOTOR CO., U.S.A.
CAUTION:
- Do not install 3rd-4th spread spring hook onto the same shifting insert.
- Be careful with the shape of reverse shifting insert to avoid misassembly.
Fig 22: Identifying Ditch Area
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.

Fig 23: Pressing-Fit 3rd-4th Synchronizer Assembly Using Inserter And Press
Courtesy of NISSAN MOTOR CO., U.S.A.

Tool number : ST30911000 ( - )
CAUTION:
- Do not reuse 3rd-4th synchronizer hub.
- The 3rd-4th synchronizer hub must apply the gear oil on the hole spline press fitting side.
NOTE: 4th baulk ring has three spaces that one gear tooth is missing but 3rd baulk ring doesn't.

Fig 24: Locating 4th Baulk Ring Spaces
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 drift and a press to press fit the 4th gear bushing and 4th counter gear thrust washer.

Fig 25: Pressing-Fit 4th Gear Bushing And 4th Counter Gear Thrust Washer
Courtesy of NISSAN MOTOR CO., U.S.A.

Tool number : KV40100630 (J-26092)
Using the inserter and a press to press fit the counter rear bearing inner race onto the counter shaft.

Fig 26: Pressing-Fit Counter Rear Bearing Inner Race Onto Counter Shaft Using Inserter And Press
Courtesy of NISSAN MOTOR CO., U.S.A.

Tool number : ST30032000 (J-26010-01)
Using the drift and a press to press fit the main drive gear bearing onto the main drive gear.

Fig 27: Pressing-Fit Main Drive Gear Bearing Onto Main Drive Gear
Courtesy of NISSAN MOTOR CO., U.S.A.

Tool number : KV32102700 ( - )
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 ".

Fig 28: Identifying Snap Ring To Main Drive Gear Bearing
Courtesy of NISSAN MOTOR CO., U.S.A.

End play : 0 - 0.10 mm (0 - 0.004 in)

CAUTION: Do not reuse snap ring.
Install main shaft and counter shaft combined in one unit to adapter plate, and fix bearing with snap ring.

Fig 29: Identifying Main Shaft And Counter Shaft To Adapter Plate
Courtesy of NISSAN MOTOR CO., U.S.A.

CAUTION: Do not reuse snap ring.
Install counter rear bearing onto the adapter plate using soft hammer or the equivalent.

Fig 30: Identifying Counter Rear Bearing Onto Adapter Plate Using Soft Hammer
Courtesy of NISSAN MOTOR CO., U.S.A.
Apply thread locking sealant to the end of the bolt (first 3 to 4 threads), screw the bolts into the main shaft bearing retainer plate, and tighten it to the specified torque. Refer to "CASE COMPONENTS ".

Fig 31: Identifying Area For Applying Thread Locking Sealant
Courtesy of NISSAN MOTOR CO., U.S.A.
- Use Genuine Medium Strength Thread Locking Sealant or equivalent. Refer to " RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS ".
Install reverse coupling sleeve and reverse shifting insert into the reverse synchronizer hub.

Fig 32: Identifying Reverse Coupling Sleeve And Reverse Shifting Insert Into Reverse Synchronizer Hub
Courtesy of NISSAN MOTOR CO., U.S.A.

CAUTION: Install reverse coupling sleeve with the flat flange on the rear side.
Install reverse spread spring in the reverse shifting insert.

Fig 33: Identifying Reverse Spread Spring In Reverse Shifting Insert
Courtesy of NISSAN MOTOR CO., U.S.A.

CAUTION: Do not install reverse spread spring hook onto the same reverse shifting insert.
Install snap rings to reverse synchronizer hub.

Fig 34: Identifying Snap Rings To Reverse Synchronizer Hub
Courtesy of NISSAN MOTOR CO., U.S.A.
CAUTION:
- Do not reuse snap ring.
- Do not align the snap ring notch with synchronizer hub groove when assembling.
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.

Fig 35: Pressing-Fit Reverse Synchronizer Assembly Using Drift And Press
Courtesy of NISSAN MOTOR CO., U.S.A.

Tool number A: KV32103300 (J-46529)

B: ST01530000 ( - )
CAUTION:
- Do not reuse reverse synchronizer hub.
- When installing, face the side with three ditches to the front side.
Fig 36: Identifying Ditches To Front Side
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 37: Identifying Baulk Ring 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 ".

Fig 38: Identifying Snap Ring
Courtesy of NISSAN MOTOR CO., U.S.A.

End play : 0 - 0.10 mm (0 - 0.004 in)

CAUTION: Do not reuse snap ring.
After installing counter rear bearing spacer, press and fit reverse counter gear onto counter shaft with drift and press.

Fig 39: Pressing-Fit Reverse Counter Gear Onto Counter Shaft With Drift And Press
Courtesy of NISSAN MOTOR CO., U.S.A.

Tool number : ST23860000 ( - )
CAUTION:
- Do not reuse reverse counter gear.
- When installing counter rear bearing spacer, identification ditch should face to the rear side.
Select and install a snap ring so that the end play comes within the standard value. Refer to "SNAP RINGS ".

Fig 40: Identifying Snap Ring
Courtesy of NISSAN MOTOR CO., U.S.A.

End play : 0 - 0.10 mm (0 - 0.004 in)

CAUTION: Do not reuse snap ring.