1985-1994 of release
Repair and car operation
+ 1.1. Car identification
+ 2. Maintenance service
+ 3. Engines
- 4. Cooling system
4.1. A technical characteristics
+ 4.2. Plums of a liquid and filling of system of cooling
4.3. Removal and radiator installation
4.4. Removal and thermostat installation
+ 4.5. The fan
4.6. The pump of system of cooling
4.7. The temperature gauge
4.8. A privodnoj belt of engine DOHC
4.9. The tension mechanism drive a belt
+ 5. Fuel system
+ 6. Coupling
+ 7. Transmissions
+ 8. A kardannyj shaft and the back bridge
+ 9. A steering
+ 10. Suspension brackets
+ 11. Brake system
+ 12. Wheels and tyres
+ 13. A body
+ 14. An electric equipment
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The system of cooling of tight type also includes a radiator, a broad tank, the pump of a cooling liquid, the thermostat and the fan.
On cars with auxiliary alarm system, the broad tank contains the gauge of a longitudinal list of the car which includes an alarm system lamp if level of a cooling liquid considerably falls.
At start of the cold engine the cooling liquid circulates round the block of cylinders, a head (ок) the block of cylinders and a final collector. The warm cooling liquid passes through a casing automatic air заслонки (at presence) and through a heater before returning to the engine.
As the cooling liquid extends, level of a broad tank raises. Receipt of a cooling liquid through a radiator is closed that provides the closed thermostat. When the cooling liquid reaches the predetermined temperature, the thermostat opens also a hot cooling liquid passes through the top hose to a radiator. As the cooling liquid passes downwards through a radiator, there is its cooling by a stream of counter air. Circulation of a cooling liquid proceeds through a broad tank, a final collector and a heater constantly.
Hydraulic муфта the fan copes in temperature of air behind a radiator. When air temperature reaches the predetermined level, the bimetallic spiral opens the valve and a silicon liquid moves through system of blades муфты. The leading part муфты is located on one shaft with the water pump, the conducted part муфты is connected with fan shovels. Blades муфты are arranged so that the twisting moment was transferred to shovels of the fan depending on viscosity of a liquid which in turn depends on the surrounding temperature and frequency of rotation of the engine. Therefore the fan works only when it is required and in comparison with constantly working fan considerably saves fuel, reduces deterioration drive a belt and fan noise.
Radiator and broad tank
The radiator with a cross-section stream has tanks from an artificial material. The broad tank is made of a transparent material and has designations of the maximum and minimum levels of a cooling liquid. In the cars equipped with an automatic transmission, in the right tank of a radiator the radiator of oil of an automatic transmission (type oil-cooling a liquid) is located.
Broad tank with the valve of superfluous pressure which it is effective герметизирует system of cooling both at rise in temperature of a cooling liquid, and at fall. The broad tank also has decontamination function. Any accumulation of air bubbles in a cooling liquid, in the case of the thermostat and a radiator comes back to a broad tank and is issued in atmosphere, the overall performance of a cooling liquid thus is supported.
On cars with auxiliary alarm system the broad tank contains the gauge of a longitudinal list of the car which includes an alarm system lamp if level of a cooling liquid considerably falls.
The pump of a cooling liquid
The centrifugal pump of a cooling liquid located on a forward wall of the block of cylinders, is put in action клиновым by a belt together with the generator.
Engine OHC fan is made of an artificial material, has seven blades, is located on a shaft of the pump of a cooling liquid and put in action клиновым by a belt together with the pump and the generator.
The fan of engine DOHC with an electric drive from a temperature-sensitive element located in a drain stopper of a radiator.
The thermostat is located behind a water target branch pipe on the forward party of a head of the block of cylinders on models OHC and on a forward part of the water pump on models V6.