31. Balance Shaft Clean and Inspect

1. Clean balance shafts in solvent. Remove balance shaft front bearing carriers from balance shafts.
2. Inspect bearing surfaces on balance shafts for scoring or unusual wear.
3. Inspect balance shaft drive sprockets for wear, damage, or missing teeth. When installing new balance shaft drive sprockets tighten.
- Torque: 55 Nm (41 ft. lbs.)
4. Measure rear bearing journals on balance shafts, journals should be 36.723 - 36.743 mm (1.4458 - 1.4466 inch) in diameter.
5. Measure front bearing journals on balance shafts, front bearing journals should be 20.020 - 20.000 mm (0.7881 - 0.7874 inch) in diameter.
6. When balance shafts have been installed in engine block, check for smooth rotation, sticking, binding, or roughness.