Service of Nissan Sunny from 1991 to 1997 release in n-14 body.
1. Maintenance instruction
2. Maintenance
3. Engines
3.1. 1,4 and 1,6 liters petrol engine
3.2. 2,0 liters petrol engine
3.3. Diesel engine
3.3.1. Technical characteristics
3.3.2. Gear belt
3.3.3. Replacement of laying of a head of cylinders
3.3.4. Valves
3.3.5. Replacement of maslootrazhatelny caps of a core of the valve
3.3.6. Check of the directing valves
3.3.7. Grinding in of a saddle of the valve
3.3.8. Processing of a head of cylinders / valves
3.3.9. Check / adjustment of gaps of valves
3.3.10. Check of a compression
3.3.11. Maple belt
3.3.12. Malfunctions of the engine
3.3.13. Engine lubrication system
3.3.14. Oil contour
3.3.15. Removal and installation of the pallet of a case
3.3.16. Oil pump
3.3.17. Cooling system
3.3.18. Injection device
3.3.19. Spark plugs
3.3.20. Power supply system
3.3.21. Check / replacement of the valve of interruption in supply of fuel
3.3.22. Speed of idling and maximum speed
3.3.23. Nozzles
3.3.24. Beginning of giving of the fuel pump of high pressure
3.3.25. Operation during the winter period
3.3.26. Specifications of a power supply system of the diesel
3.3.27. Useful tips for owners of the diesel car
4. Cooling system
5. System of heating and ventilation
6. Fuel and exhaust system
7. System of launch of the engine
8. Coupling
9. Transmissions
10. Half shafts
11. Brakes
12. Suspension brackets and steering
13. Body
14. Electric equipment
 


3-3-23-forsunki.html

3.3.23. Nozzles

Faulty nozzles can lead to a strong detonation of the engine and cause damage of bearings. At similar malfunctions leave the engine to idle, and weaken one after another cap nuts of nozzles. If when weakening one of cap nuts the detonation disappears, it indicates a faulty nozzle.

The faulty nozzle can be found also, easing in the order of cap nuts, during the operation of the engine on bystry single to the course. If when weakening a cap nut speed does not change, the corresponding nozzle means it is faulty. The nozzle can be checked by means of the manometer (it is carried out in a workshop). The required injection pressure: 120–140 bars.

The first signs of malfunction of nozzles are:

  – interruptions in operation of cylinders;
  – knock in one or several cylinders;
  – engine overheat;
  – falling of engine capacity;
  – too black exhaust gas;
  – high fuel consumption.

Removal

PERFORMANCE ORDER
1. Carefully clear outside a cold cleaner or diesel fuel fuel-supply lines of high pressure and returnable fuel-supply lines.
2. Remove fuel-supply lines of high pressure in a set, for this purpose weaken cap nuts on the pump and nozzles the cut-through cap key. At the same time hold fastening by a usual key. Do not change a pipeline bend form.
Prevention

After removal of fuel-supply lines stop up openings with suitable traffic jams that dirt and foreign matters did not get.

3. Disconnect a returnable fuel hose.
4. Unscrew nuts of the returnable pipeline.
Prevention

At the same time hold the pipeline for a hexagon a key, otherwise it can be bent or break.

5. Remove the returnable pipeline.
6. Turn out nozzles a face key and spread out them in an adjusting order. If necessary mark nozzles with a tape that they could be established on former places.
7. Cover openings of nozzles that foreign matters did not get.
8. Take out laying of nozzles. Laying should be replaced surely.
Prevention

Do not clean a nozzle or a needle of nozzles a wire or a file at all. Do not mix separate details of nozzles among themselves.

Installation

PERFORMANCE ORDER
1. Clear openings of nozzles in a head of cylinders and surely establish four new heat-resistant laying. Deepening has to be turned up. The arrow specifies to a head of cylinders.
2. Establish nozzles and tighten with effort 70 N. of m.
Prevention

Pulling of nozzles can lead to deformation of nozzles that in turn will lead to jamming of a needle or other malfunctions.
3. Install the returnable pipeline with four new laying and put the clamps with 45 N.' effort of m.
Prevention

At the same time hold the pipeline from a provorachivaniye a key.
4. Establish fuel-supply lines of high pressure, tighten cap nuts with 25 N.' effort of m. At the same time hold fastening from a provorachivaniye.
5. On all nozzles slightly weaken cap nuts of fuel-supply lines of high pressure.
6. Turn the engine a starter until on pipelines of high pressure fuel acts.
7. Tighten cap nuts with the ordered effort.
8. If necessary pump over fuel system the manual pump.

3.3.22. Speed of idling and maximum speed
3.3.24. Beginning of giving of the fuel pump of high pressure