Main Shaft Assembly: Disassembly
WARNING: This page is about a different variant/trim than selected.
NOTE:
When replacing the coupling sleeve and synchronizer hub, replace them as a set. Because these must engage at the specified point, avoid disassembly as much as possible. If it is necessary to disassemble, mark the engaging points on the splines beforehand.
- Put vinyl tape around the main shaft spline and pull out the oil seal and needle bearing by hand to prevent the oil seal from being damaged.
- Remove the lock nut and lock washer using ST1 and ST2.NOTE: Flatten the lock nut tab before removing the lock nut.
Preparation tool:
ST1: TRANSMISSION HOLDER (498937000)
ST2: SOCKET WRENCH (35) (499987003)
- Remove the 6th drive gear and ball bearing using the ST1, ST2 and a press.
Preparation tool:
ST1: REMOVER (899864100)
ST2: REMOVER (18722AA010)
- Remove the 6th needle bearing, 6th baulk ring, 5th-6th shifting insert and 5th-6th coupling sleeve.CAUTION: When removing the 5th-6th coupling sleeve, be careful not to lose the 5th-6th shifting insert.
- Remove the 5th drive gear, 6th needle bearing race, 5th baulk ring, 5th-6th synchronizer hub and 5th needle bearing using the ST1, ST2 and a press.
Preparation tool:
ST1: REMOVER (899864100)
ST2: REMOVER (18722AA010)
- Shift the 3rd-4th coupling sleeve to the 3rd side.
- Remove the 4th drive gear, 4th gear thrust washer, double taper roller bearing and 5th needle bearing race using the ST1, ST2 and a press.
Preparation tool:
ST1: REMOVER (899864100)
ST2: REMOVER (899714110)
- Remove the 4th baulk ring, 4th needle bearing, 3rd-4th shifting insert and 3rd-4th coupling sleeve.CAUTION: When removing the 3rd-4th coupling sleeve, be careful not to lose the 3rd-4th shifting insert.
- Remove the 3rd drive gear, 4th needle bearing race, 3rd-4th synchronizer hub, 3rd inner baulk ring, 3rd synchro cone, 3rd outer baulk ring and 3rd needle bearing using the ST1, ST2 and a press.
Preparation tool:
ST1: REMOVER (899864100)
ST2: REMOVER (899714110)