Disassembly and Assembly: Disassembly

WARNING: This page is about a different car, the 2003 Nissan Altima and 2002 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.

Before disassembling, measure end play for 3rd, 4th, and 5th input gears.
End play standard value
1. 3rd gear : 0.18 - 0.31 mm (0.0071 - 0.0122 in)
2. 4th gear : 0.20 - 0.30 mm (0.0079 - 0.0118 in)
3. 5th gear : 0.06 - 0.16 mm (0.0024 - 0.0063 in)
CAUTION: If measurement is outside the standard range, disassemble to check contact surfaces of gear, shaft, and hub. Adjust with snap ring at assembly.

Fig 1: Measuring End Play For Input Gears
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove oil channel.
Remove input shaft rear bearing.

Fig 2: Removing Input Shaft Rear Bearing
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove the snap ring.

Fig 3: Removing Input Shaft Snap Ring
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove input shaft bearing spacer and 5th stopper simultaneously.

Fig 4: Removing Input Shaft Bearing Spacer And 5th Stopper Simultaneously
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove 5th input gear and synchronizer hub assembly simultaneously.

Fig 5: Removing 5th Input Gear And Synchronizer Hub Assembly Simultaneously
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove 5th needle bearing.
Remove 5th bushing, thrust washer, 4th input gear, 4th needle bearing, 4th gear bushing, 3rd-4th synchronizer hub assembly, 3rd-4th baulk ring and 3rd-4th baulk ring and 3rd input gear simultaneously.

Fig 6: Removing Input Shaft Components
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove 3rd needle bearing.
Remove input shaft front bearing.

Fig 7: Removing Input Shaft Front Bearing
Courtesy of NISSAN MOTOR CO., U.S.A.