3.
If necessary, replace the balance shaft bearing or the shaft itself.
Check all oil holes for clogging. Clean the holes if necessary.
Check the balance shaft bearing for wear, damage and seizure. If there is anything wrong with the bearing, replace the bearing.
Check the front case for cracks and other damage.
Replace a cracked or damaged front case.
Check the journals for wear or seizure.
If excessive wear or seizure is evident, check the bearing carefully.
If necessary, replace the balance shaft bearing or the shaft itself.
Check the oil seal lip for wear and damage. Replace the oil seal if necessary.
Check the oil seal lip for deterioration. Replace the oil seal if necessary.
