Disassembly
Disassembly
1. Thrust clearance check
(1) Check the thrust clearances of the 1st gear, 2nd gear, and reverse gear.
Captions in illustration
Standard value
NOTE:
If the value exceeds the limit, replace the corresponding gear, transmission clutch hub, needle roller bearing, and output shaft with new ones.
2. Radial clearance check
(1) Check the radial clearances of the 1st gear, 2nd gear, and reverse gear.
Captions in illustration
Standard value
NOTE:
If the value exceeds the limit, replace the corresponding gear, needle roller bearing, and output shaft with new ones.
3. Removal of reverse gear
(1) Use the SST to remove the shaft snap ring.
SST 499895400
(2) Use the SST to remove the transmission clutch hub No.3, transmission hub sleeve No.3, reverse gear, synchronizer ring No.3, and reverse gear bearing from the output shaft.
SST 899714110, 899864100
CAUTION:
Verify the direction of the parts.
4. Removal of transmission hub sleeve No.3
(1) Remove the transmission hub sleeve No.3, then remove the 3 synchromesh shifting keys No.1, 3 synchromesh shifting key springs No.1, and 3 balls from the transmission clutch hub No.3.
CAUTION:
^ Keep the synchromesh shifting keys No.1, synchromesh shifting key springs No.1, and balls from flying out using a cloth.
^ Be careful not to deform the synchromesh shifting key springs No.1.
NOTE:
Perform the work without displacing the positions of the transmission clutch hub No.3 and synchromesh shifting keys No.1.
5. Removal of 6th gear
(1) Remove the shaft snap ring.
CAUTION:
Keep the shaft snap ring from flying out with a cloth, etc.
(2) Use the SST to remove the 6th gear.
SST 899854100
6. Removal of 1st gear
(1) Use the SST to remove the output shaft bearing RR, 1st gear, 1st bearing inner race, 1st gear needle roller bearing, and 1st shift restrict ball.
SST 18722AA000
CAUTION:
Verify the direction of the parts.
7. Removal of 2nd gear
(1) Use the SST to remove the 2nd gear, transmission clutch hub No.1, transmission hub sleeve No.1, and 2nd gear needle roller bearing from the output shaft.
SST 18753AA000
CAUTION:
Verify the direction of the parts.
8. Removal of synchronizer ring set No.1
(1) Remove the 2 synchronizer ring No.1 sets.
9. Removal of transmission hub sleeve No.1
(1) Remove the transmission hub sleeve No.1, then remove the 3 synchromesh shifting keys No.1, 3 synchromesh shifting key springs No.1, and 3 balls from the transmission clutch hub No.1.
CAUTION:
^ Keep the synchromesh shifting keys No.1, synchromesh shifting key springs No.1, and balls from flying out using a cloth.
^ Be careful not to deform the synchromesh shifting key springs No.1.
NOTE:
Perform the work without displacing the positions of the transmission clutch hub No.1 and synchromesh shifting keys No.1.