Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Disassembly And Assembly: Assembly
- Install 3rd needle bearing to input shaft.
- Install 3rd input gear, 3rd inner baulk ring, 3rd synchronizer cone, and 3rd outer baulk ring to input shaft.CAUTION:
Replace 3rd inner baulk ring, 3rd synchronizer cone, and 3rd outer baulk ring as a set.
- Install 3rd-4th spread springs, 3rd-4th shifting inserts, and 3rd-4th synchronizer hub onto 3rd-4th coupling sleeve.CAUTION:
- Be careful with orientation of 3rd-4th synchronizer hub.
- Do not reuse 3rd-4th synchronizer hub and 3rd-4th coupling sleeve.
- Replace 3rd-4th synchronizer hub and 3rd-4th coupling sleeve as a set.
- Be careful with orientation of 3rd-4th coupling sleeve.
- Be sure not to hook center projection of 2 spread springs on same shifting insert.
- Press in 3rd-4th synchronizer hub assembly using Tool.
Courtesy of NISSAN NORTH AMERICA, INC.
Tool Number KV40105710 (-) CAUTION:Align grooves of 3rd-4th shifting insert and 3rd outer baulk ring.
- Press in 4th input gear bushing using Tool.
Tool Number KV40105710 (-) - Install 4th baulk ring.
- Install 4th needle bearing and 4th input gear to input shaft.
- Select thrust washer so that dimension "C2" satisfies the standard value below. Then install thrust washer onto input shaft. Refer to AVAILABLE THRUST WASHERΒ .
Standard value for dimension "C2" Refer to AVAILABLE THRUST WASHERΒ CAUTION:Only one thrust washer can be selected.
- Press in 5th input gear bushing using Tool.
Tool Number KV40105710 (-) CAUTION:Do not reuse 5th input gear bushing.
- Install 5th needle bearing and 5th input gear to input shaft.
- Install 5th baulk ring.
- Install 5th-6th synchronizer hub, 5th-6th spread springs, and 5th-6th shifting inserts onto 5th-6th coupling sleeve.CAUTION:
- Be careful with orientation of 5th-6th synchronizer hub.
A Front Side B Rear Side - Do not reuse 5th-6th synchronizer hub and 5th-6th coupling sleeve.
- Replace 5th-6th synchronizer hub and 5th-6th coupling sleeve as a set.
- Be careful with orientation of 5th-6th coupling sleeve.
A 5th input gear side B 6th input gear side - Be sure not to hook center projection of 2 spread springs on same shifting insert.
- Be careful with orientation of 5th-6th synchronizer hub.
- Press in 5th-6th synchronizer hub assembly using Tool.
Tool Number KV40105710 (-) CAUTION:Align grooves of 5th-6th shifting insert and 5th baulk ring.
- Install 6th needle bearing, 6th input gear, 6th baulk ring onto 6th input gear bushing and then press in 6th input gear bushing onto input shaft using Tool.
Courtesy of NISSAN NORTH AMERICA, INC.
Tool Number ST33200000 (J-26082) - Install snap ring onto input shaft and make sure that end play (gap between snap ring and groove) of 6th input gear bushing satisfies the standard value.
Courtesy of NISSAN NORTH AMERICA, INC.
End Play Standard Value Refer to AVAILABLE SNAP RINGSΒ - If measurement is outside the standard range, select snap ring. Refer to AVAILABLE SNAP RINGSΒ .CAUTION:
Do not reuse snap ring.
- If measurement is outside the standard range, select snap ring. Refer to AVAILABLE SNAP RINGSΒ .
- Press in input shaft rear bearing using Tool.
Tool Number ST30901000 (J-26010-01) CAUTION:Install input shaft rear bearing with its brown surface facing the 6th input gear side.
- Press in input shaft front bearing using Tools.
Tool Number A: ST33052000 (-) Β B: ST30032000 (J-26010-01) - Install oil channel onto input shaft.
- Check end play of 3rd, 4th, 5th, and 6th input gears.
Courtesy of NISSAN NORTH AMERICA, INC.
End play standard value Refer to GEAR END PLAYΒ
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.