Service Nissan Sunny with 1991 on 1997 of release in a body n-14.
1. The maintenance instruction
2. Maintenance service
3. Engines
3.1. The petrol engine in volume of 1,4 and 1,6 litres
3.2. The petrol engine in volume of 2,0 litres
3.3. The diesel engine
3.3.1. Technical characteristics
3.3.2. A gear belt
3.3.3. Replacement of a lining of a head of cylinders
3.3.4. Valves
3.3.5. Replacement маслоотражательных caps of a core of the valve
3.3.6. Check of directing valves
3.3.7. Grinding in of a saddle of the valve
3.3.8. Processing of a head of cylinders / of valves
3.3.9. Check / adjustment of backlashes of valves
3.3.10. Compression check
3.3.11. A klinovyj belt
3.3.12. Malfunctions of the engine
3.3.13. System of greasing of the engine
3.3.14. Oil a contour
3.3.15. Removal and pallet installation картера
3.3.16. The oil pump
3.3.17. Cooling system
3.3.18. The injection device
3.3.19. Spark plugs
3.3.20. The power supply system
3.3.21. Check / replacement of the valve of a stopping delivery of fuel
3.3.22. Number of turns of idling and the maximum number of turns
3.3.23. Atomizers
3.3.24. The beginning of giving of the fuel pump of a high pressure
3.3.25. Operation during the winter period
3.3.26. Specifications of the power supply system of a diesel engine
3.3.27. A good advice for owners of the diesel car
4. Cooling system
5. Heating and ventilation system
6. Fuel and an exhaust system
7. System of start-up of the engine
8. Coupling
9. Transmissions
10. Semiaxes
11. Brakes
12. Suspension brackets and a steering
13. A body
14. An electric equipment
 




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3.3.8. Processing of a head of cylinders / of valves

Saddles of valves with wear tracks and обгорания can be processed, with preservation of adjustment corners and width of a saddle. Otherwise the head of cylinders should be replaced. Saddles of valves always process before achievement of a faultless kind of a working surface. The valve saddle can be replaced by means of usual прессового the workshop equipment. For processing the mill is necessary for a valve saddle. Since the reference with this tool demands special experience, this work should be carried out in a workshop.

Check of a kind of a working surface of a plate of the valve

PERFORMANCE ORDER
1. The contact surface фаcки the valve (1) should be in the middle of width of a plate of the valve and in regular intervals pass on all circle.
2. If a thickness of a plate of the valve (2) below deterioration border (boundary value), replace the valve.

The sizes of processing of a head of cylinders

If deformation of a sealing surface exceeds limiting value of 0,1 mm, it is necessary to process a sealing surface of a head of cylinders.

Height of a new head of cylinders: 137,9–138,1 mm.


The prevention

The head of cylinders and the engine block, can be processed in the sum as much as possible on 0,2 mm.




3.3.7. Grinding in of a saddle of the valve

3.3.9. Check / adjustment of backlashes of valves