Details of installation of a head of the block of cylinders
3, 9 - Bolts; 4 - Bushing; 5 - Air supply tube; 6a - Bypass valve; 6 - Bracket of the inlet pipeline; 6a - Guide tube for oil level indicator; 8c - Branch pipe; 8b - O-ring; 10 - Cylinder head; 11 - Gasket; 12 - Guide pins; 41 - Finger
Removing
1. Drain the coolant and disconnect the cooling pipes from the cylinder head. 2. Bring the piston of the first cylinder to the TDC position of the end of the compression stroke.
3. Remove the front top cover. 4. Mark the position of the camshaft sprockets in relation to the timing chain (arrows).
5. Remove the guide arm or sliding arm pin with a puller.
6. Turn away armature of a regulator of a camshaft.
7. Remove the timing chain from the camshaft sprockets.
8. Disconnect the engine wiring. To do this, loosen all tie-down bands and disconnect all wiring connectors.
9. Disconnect the tempostat rod. 10. Disconnect the wiring connector (Х25/17) and wiring connector (Х16/1x1) from the electronic accelerator drive, press the pawl and turn it 90°.
11. Disconnect vacuum tubes from the inlet pipeline.
12. Turn away bolts of fastening of system of release to a flange of a final collector. 13. Disconnect the check valve tube from the air mixing tube into the exhaust (arrow) and unscrew the bracket (1).
14. Remove the oil level gauge guide tube bracket and intake manifold bracket.
15. Disconnect the tube (43) from bracket (17) on the cylinder block.
16. Slowly open the fuel filler cap to relieve pressure in the fuel system. Open the fuel lines.
17. On models with АТ: turn away a directing pipe of the indicator of level of oil from a back part of a head of the block of cylinders.
18. Disconnect the drive cable (30) from the control lever (9). To do this, squeeze the plastic clip (28).
19. Loosen the tie-down straps securing the coolant pipes to the coolant pump. Remove return tube. 20. Loosen the cylinder head bolts in the reverse order shown in the illustration. In this case, the engine must be cold.
21. Remove bearing caps Nos. 9 and 13. Install lifting eyes and remove cylinder head from engine.
22. Wipe contact surfaces of a head of the block of cylinders and the block of cylinders. Replace the cylinder head gasket.
Installation
Installation is made in an order, the return to removal. The procedure for tightening the cylinder head bolts is shown in the illustration.