2. Remove the camshafts.
3. Remove all hydraulic valve lifters.
4. Remove the spark plugs.
5. Set the first piston to TDC and lock the crankshaft with the flywheel lock.
6. Remove the valve springs 4 and replace the valve seals 5 (see figure 2.48).
Figure 2.48. Replacing valve seals.
1. Hydraulic compensator,
2. Valve crackers,
3. Upper spring retainer,
4. Valve spring,
5. Valve seal,
6. Spring plate,
7-13. Additional tool.
7. Installation is carried out in the reverse order of removal.