Left cylinder head
1. Remove the upper part of the rear timing chain cover (see Section Removing and installing timing chain covers).
2. Remove the crankcase and heat shields from the front axle beam on the left and right.
3. Empty the engine cooling system by removing the appropriate plug on the left side of the cylinder block.
4. Remove the spark plugs (see chapter Vehicle settings and routine maintenance).
5. Remove the engine cooling system manifold.
6. Disconnect the connectors.
7. Loosen the cable harness clamps (1) and hose (2) coolant. Disconnect the hose.
8. Remove the heater valve block assembly from the holder.
9. Remove the right exhaust manifold of the cylinder block No. 1-6 and the left exhaust manifold of the cylinder block No. 7-12 (see Section Removal and installation of exhaust manifolds).
10. Turn out bolts of fastening of a head of cylinders in sequence, return to the specified on illustrations.
11. Clear mating surfaces of a head and the block of cylinders of the remnants of sealing materials.
Do not allow dirt to enter the channels of the lubrication and cooling systems.
12. Install new gasket and tighten new bolts of fastening of a head of cylinders with the demanded effort in the specified sequence.
13. Further installation is carried out in the reverse order.
Right cylinder head
1. Remove the engine oil dipstick guide.
2. Remove the right exhaust manifold of the cylinder block No. 1-6 and the left exhaust manifold of the cylinder block No. 7-12 (see Section Removal and installation of exhaust manifolds).
3. Follow the steps described in paragraphs 10 to 13.