Service of Nissan Sunny from 1991 to 1997 release in n-14 body.
1. Maintenance instruction
2. Maintenance
3. Engines
4. Cooling system
5. System of heating and ventilation
6. Fuel and exhaust system
6.1. Carburetor engines
6.2. Engines with system of injection of fuel
6.3. System of food / production of the fulfilled gases
6.4. System of decrease in toxicity of the fulfilled gases
6.4.1. Models with 1,4 and 1,6 liter engines
6.4.2. Models with 1,6 and 2,0 liter engines
6.4.2.1. System of decrease in emission of crankcase gases
6.4.2.2. Catalytic converter
6.4.2.3. The control system over release of vapors of fuel from fuel system
6.4.2.4. System of recirculation of exhaust gases
6.4.2.5. System of thermal neutralization
6.4.2.6. System of an admission of air in a final collector
6.4.2.7. System of decrease in toxicity of exhausts
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
 







6-4-2-5-sistema-termicheskojj-nejjtralizacii.html

6.4.2.5. System of thermal neutralization

Check

PERFORMANCE ORDER
1. Uncover the air filter and the air filter, being guided by the instructions provided in subsection 6.1.2.
2. Start the engine, gradually increase speed to 3000 rpm and hold them at this level. Close a finger an opening of a vacuum hose of the valve of air supply on the basis of a casing of the air filter, then, quickly lower the lever of a butterfly valve in order that the engine returned to the normal speed of idling. When the lever of a butterfly valve is released and the engine will begin to come back to the normal speed of idling, in a hose of the valve of air supply depression has to be formed. If is not present, replace the valve.

Replacement of the valve of air supply

PERFORMANCE ORDER
1. The valve is located from above an inlet collector on the right side of the case of a butterfly valve.
2. Remove the valve from a fixing clip, then, disconnect three hoses from the valve, having remembered the provision of their installation.
3. Installation is carried out upside-down removals. At installation check correctness of connection of hoses.


6.4.2.4.4. The operating electromagnetic valve

6.4.2.6. System of an admission of air in a final collector