Withdrawal
1. Remove the clamping ring using the special tool (09432-21201).
2. Remove the front bearing using the special tool (09432-21300).
3. Remove the bearing bush using the special tool (09455-21000).
4. Remove the rear bearing using the special tool (09432-21300).
5. Remove inner ring and auxiliary gear.
6. Remove fourth gear, needle roller bearing. Synchronizer ring, synchronizer sleeve for third-fourth gear.
7. Remove the needle roller bearing bush, 3rd-4th speed synchronizer hub, needle roller bearing using the special tool (09432-21300).
Examination
Input shaft
1. Check the outside of the input shaft where the needle bearing is mounted for damage or excessive wear (part A).
2. Check splines for damage or wear.
Needle bearing
1. Connect the needle bearing to the shaft or bearing sleeve and gear wheel and check for smooth rotation without abnormal noise or wobble.
2. Check if the needle bearing cage is deformed.
Synchronizer ring
1. Check the wheel teeth for breakage.
2. Check the inner surface for damage, wear, thread defects.
3. Press the synchronizer ring in the direction of the clutch mechanism and check the gap «A».
If the clearance is out of specification, replace the ring.
- Limit: 0.5mm