Opel Vectra B

Since 1995 of release

Repair and car operation

3.2.12. A head of the block of cylinders

THE GENERAL DATA

Sequence of a tightening of bolts of a head of the block of cylinders
Tightening of bolts of fastening of a head of the block of cylinders the demanded moment


Tightening of bolts of fastening of the block of cylinders доворачиванием them on a certain corner

Removal

PERFORMANCE ORDER

The prevention The head of the block of cylinders is necessary for removing on the cold engine. At head installation it is necessary to use new bolts of fastening of a head. 1. Depressurize fuel system. Remove a wire of weight from the accumulator. 2. Merge cooling liquid from system of cooling and unscrew spark plugs. 3. Remove a gear belt. Before removal of a gear belt turn a cranked shaft of the engine back approximately on 60 ° (4 teeth) that will allow to establish camshafts so that pressure клапанной springs was in regular intervals on all length of a camshaft. Engines of 1,6 l 4. Remove an inlet and final collector. If the head of the block of cylinders does not understand, it can be removed together with collectors after performance of following actions:  – Disconnect a reception exhaust pipe from a final collector;  – Disconnect an electric socket from the oxygen gauge;  – Disconnect an air branch pipe and a vacuum hose from air инжекторного the valve. 5. Remove casings of camshafts. 6. Remove pulleys of camshafts and single pulleys of a gear belt. 7. Unscrew bolts of fastening of a back casing of a gear belt to a head of the block of cylinders. 8. Unscrew a bolt of the pump of the amplifier of a steering and move it aside from a head. 9. Disconnect electric sockets from DIS the block and the gauge of temperature of a cooling liquid on a head of the block of cylinders. 10. Loosen the collars also disconnect the top hose of a cooling liquid connecting a head of the block of cylinders and a radiator. Loosen the a collar also disconnect the hose of a cooling liquid connecting a head of the block of cylinders and a broad tank. 11. Disconnect from a partition of a motor compartment hoses of giving of a cooling liquid to a heater to merge a cooling liquid from the block of cylinders. After plum of a cooling liquid repeatedly connect both hoses going to a heater. 12. Working in certain sequence, ослабьте bolts of fastening of a head of the block of cylinders on 1/3 turns for each pass before full unscrewing of bolts (fig. Sequence of a tightening of bolts of a head of the block of cylinders see). 13. Remove a head of the block of cylinders from the block of cylinders. .14. Remove a lining of a head of the block of cylinders. Engines of 1,8 and 2,0 l 15. Remove inlet and final collectors. If the head of the block of cylinders does not understand, it can be removed together with collectors after a detachment of all hoses and electric wires. 16. Uncover heads of the block of cylinders. 17. Remove pulleys from camshafts. 18. Unscrew a bolt of fastening of draught of the jack of a twisting moment from an end face of a head of the block of cylinders. 19. Unscrew bolts of fastening of a back casing of a gear belt to a head of the block of cylinders. 20. Loosen the collars also disconnect the top hose of a cooling liquid connecting a head of the block of cylinders and a radiator. Loosen the a collar also disconnect the hose of a cooling liquid connecting a head of the block of cylinders and a broad tank. 21. Disconnect from a partition of a motor compartment hoses of giving of a cooling liquid to a heater to merge a cooling liquid from the block of cylinders. After plum of a cooling liquid repeatedly connect both hoses going to a heater. 22. Working in certain sequence (fig. Sequence of a tightening of bolts of a head of the block of cylinders see), ослабьте bolts of fastening of a head of the block of cylinders on 1/3 turns for each pass before full unscrewing of bolts. 23. Remove a head of the block of cylinders from the block of cylinders. 24. Remove a lining of a head of the block of cylinders.

Preparation of a head for installation

PERFORMANCE ORDER

1. Interfaced surfaces of a head and the block of cylinders should be absolutely pure. For their clearing use a firm plastic or wooden scraper. At clearing be careful, as the aluminium alloy is very easy for damaging. Check up, that the deposit has not got to oil and water channels. It is especially important for greasing system as the deposit can block oil giving to engine components. If necessary clear channels, check up interfaced surfaces of a head and the block of cylinders on presence of notches, deep scratches and other damages. If defects small, they can be removed machining. But at detail major defects are subject to replacement. 2. Using a metal ruler and probe, check up planeness of interfaced surfaces. 3. Clear apertures under bolts in the block. Bolt screwing up in the aperture filled with oil can break off the block because of hydraulic pressure.

Installation

PERFORMANCE ORDER

1. Check up that the cranked shaft is established in position on 60 ° back from the top dead point of the piston of the first cylinder. Wipe interfaced surfaces of a head and the block of cylinders. 2. Check up that the new lining of a head of the block of cylinders has the same type, as the original, and that marks of TORAHS or OPEN are directed upwards. 3. Establish a head of the block of cylinders on directing pins. 4. Establish new bolts of fastening of a head of the block of cylinders and tighten them at this stage by hand. 5. Gradually and consistently (see fig. Sequence of a tightening of bolts of a head of the block of cylinders) tighten all bolts of fastening of a head of the block of cylinders the demanded moment in some stages. The engine of 1,6 l 6. Connect hoses of system of cooling and fix their collars. 7. Connect electric sockets to a head of the block of cylinders. 8. Establish the pump of the amplifier of a steering. 9. Establish a back casing of a gear belt, fix bolts, having tightened their demanded moment. 10. Establish pulleys on camshafts and single pulleys. 11. Combine all adjusting labels of pulleys with indexes and establish a gear belt. 12. Establish a cover of a head of the block of the cylinder and a casing of a gear belt. 13. Establish inlet and final collectors. 14. Establish a wheel and lower the car. 15. Check up that all pipes and hoses are reliably connected, and fill in cooling liquid in system of cooling and screw in spark plugs. 16. Connect the accumulator, start the engine and check up it on presence of leaks. Engines of 1,8 and 2,0 l 17. Connect hoses of system of cooling and fix their collars. 18. Establish a back casing of a gear belt and fix bolts, having tightened their demanded moment. 19. Connect draught of the jack of a twisting moment for a head of the block of cylinders and tighten a bolt of fastening by the demanded moment. 20. Establish pulleys of camshafts. 21. Combine all adjusting labels of pulleys with indexes and establish a gear belt. 22. Establish a cover of a head of the block of the cylinder and a casing of a gear belt. 23. Establish inlet and final collectors. 24. Establish a wheel and lower the car. 25. Check up that all pipes and hoses are reliably connected, and fill in cooling liquid in system of cooling and screw in spark plugs. 26. Connect the accumulator, start the engine and check up it on presence of leaks.