Operation CHARM: Car repair manuals for everyone.

Synchronizer




- Check spline portion of coupling sleeve, hub and gears for wear or cracks.
- Check baulk ring for cracks or deformation.
- Check shifting inserts for wear or deformation.




- Measure clearance between baulk ring and gear.
Clearance between baulk ring and gear:

Standard 1.0 - 1.35 mm (0.0394 - 0.0531 in)
Wear limit 0.7 mm (0.028 in)