The device, service, repair Vektr's Opel And - 2.21. Repair of a head of the block of cylinders//1988-1995 /

Opel Vectra A

since 1988-1995 release

Repair and operation of the car



Vektr's Opel And
+ 1. Maintenance instruction
+ 1.1 Maintenance
- 2. Engine
   2.2. General information
   2.3. System of ventilation of a case
   2.4. Check of a compression
   2.5. Repair operations on the engine installed in the car
   2.6. The repair operations demanding removal of the engine
   2.7. Recommendations about removal of the engine
   + 2.8. Removal and installation of the engine without transmission
   + 2.9. Removal and installation of the engine together with the transmission
   2.10. Replacement of support of the engine and transmission
   2.11. Repair of the engine
   + 2.12. A gear belt and pulleys (without automatic mechanism of a tension)
   2.13. A gear belt and the mechanism of a tension (l models 1,4 and 1,6 except C16 NZ2)
   2.14. An opening in a back casing of a gear belt on l models 1,4 and 1,6
   2.15. Gear belt and mechanism of a tension (l C16 NZ2 models 1,8 and 2,0)
   2.16. Forward sealing ring of the camshaft
   2.17. Back sealing ring of the camshaft
   2.18. Camshaft and case of the camshaft
   + 2.19. Removal and installation of a head of the block of cylinders on the engine in the car
   2.20. Removal and installation of a head of the block of cylinders on the removed engine
   - 2.21. Repair of a head of the block of cylinders
      2.21.2. Assembly
   2.22. Cleaning and survey of a head of the block of cylinders
   2.23. Hydraulic pushers of valves
   2.24. Flywheel
   2.25. Replacement of a forward sealing ring of a bent shaft
   2.26. Replacement of a back sealing ring of a bent shaft
   2.27. Oil pallet
   2.28. Oil pump
   2.29. Repair of the oil pump
   2.30. Removal and installation of pistons and rods
   2.31. Check of pistons and rods
   + 2.32. Removal and installation of a bent shaft
   2.33. Check of a bent shaft
   2.34. Survey and check of a gap in radical and conrod bearings
   2.35. Check of a working gap of the bearing
   2.36. Check of the block of cylinders of the engine
   2.37. Start of the engine after capital repairs
+ 3. Repair of DOHC engines
+ 4. Repair of the diesel engine
+ 5. Cooling system
+ 6. Fuel system
+ 7. The fuel and exhaust system of models with system of injection of fuel
+ 8. Exhaust system and system of decrease in toxicity of exhaust gases
+ 9. Fuel systems of the diesel engine
+ 10. Engine electrical systems
+ 11. Transmission
+ 12. Mechanical transmission
+ 13. Automatic transmission
+ 14. Power shafts
+ 15. Brake system
+ 16. Suspension bracket
+ 17. Body
+ 18. Electric equipment
+ 19. Check of malfunctions
24bec775 24bec775



2.21. Repair of a head of the block of cylinders

2.21.1. Dismantling

GENERAL INFORMATION

Prevention

When dismantling a head of the block of cylinders it is necessary to use the special device for compression of valvate springs. At assembly of a head of the block of cylinders it is necessary to use new maslootrazhatelny caps.


Arrangement of bolts of fastening of a back casing of a gear belt on the engine of 1,8 l

Use of special device for compression of a spring of the final valve of the first cylinder on the engine of 2,0 l

 


Elements inlet (1) and final (2) valves

 


PERFORMANCE ORDER
1. Remove a head of the block of cylinders and clear it of dirt.
2. Remove a thermostat casing, and on models 1,4 and 1,6 of l remove the thermostat. Remove collectors from a head of the block of cylinders. Unscrew spark plugs.
3. Remove yokes, blocks of axial pressure and hydraulic pushers from a head of the block of cylinders. Using the device for compression of a spring of the valve, squeeze each spring and remove crackers from a valve end face. Remove the device for compression of a spring and take a plate and a spring. Плоскогуб tsamiyets, being careful, take a maslootrazhatelny cap from a valve rod. Take the lower plate of a spring.
4. When the spring of the valve is compressed and the cup of a spring is not removed from crackers, it is necessary to strike with the hammer through wooden whetstone a spring cup that will lead to release of crackers.
5. Take the valve via the combustion chamber. Each valve you store in a separate plastic bag together with a plate springs, a spring, a nest of a spring and crackers for their further installation on the places.