2. Remove the timing chain cover, chain and sprockets.
3. Remove the hood lock (see Chapter 11).
4. Remove the intake manifold.
5. Remove the radiator grille and headlight trim (see Chapter 11).
6. Remove the radiator and struts, then remove the air conditioning condenser.
7. Remove the radiator bracket.
8. Unscrew the stud from the camshaft and remove the balance shaft drive gear.
9. Loosen the mounting bolt and remove the balance shaft driven gear.
10. Loosen the two bolts securing the balance shaft counterweight and remove the counterweight.
11. Unscrew and remove the tappet limiter plate.
12. Using a soft-faced hammer, carefully knock the balance shaft out of the cylinder block.
13. Clean the balance shaft and inspect it. Check the condition of the journal, uneven wear, wear and damage. If the journal is damaged, the rear bearing of the shaft in the cylinder block is also damaged and should be replaced.
14. Check the condition of the balance shaft gears. If cracks, loss of teeth or excessive wear are found, replace both gears.
Bearing replacement
Attention! The balance shaft is made integral with the front bearing. It is not allowed to dismantle the front bearing from the shaft.
15. The rear bearing of the balance shaft is changed at a car service center.
16. Lubricate the balance shaft journal with molybdenum grease.
17. Install the shaft into the engine. If necessary, press the shaft in using light blows from a soft-faced hammer.
18. Install the shaft lock plate and secure with bolts, tightening them to the specified torque.
19. Install the push rod plate, secure the plate by tightening the bolts.
20. Turn the balance shaft by hand, make sure that there is sufficient clearance between the balance shaft and the tappet plate.
21. Install the driven gear on the balance beam and tighten the bolts to the specified torque.
22. Turn the camshaft with the drive gear temporarily installed so that the timing mark points to 12 o'clock (see photo). Remove the gear.
23. Turn the balance shaft so that the timing mark points to 6 o'clock (see previous photo).
24. Install the balance shaft drive gear onto the camshaft and tighten the bolt to the specified torque.
25. Install the timing chain, sprockets and cover.