Synchronizer Ring

Check the clutch gear teeth for damage.
Check the internal surface for damage, wear or broken grooves.

Fig 1: Inspecting Synchronizer Ring
Courtesy of KIA MOTORS AMERICA, INC.
Push the synchronizer ring toward the clutch gear and check clearance "A". Replace if it is not within specifications.
Limit : 0.5 mm (0.02 in.)

Fig 2: Checking Synchronizer Ring Clearance
Courtesy of KIA MOTORS AMERICA, INC.