Opel Vectra B

since 1995 of release

Repair and car operation

Vektr B. Opel
+ 1.1. Governing bodies and control devices
+ 2. Maintenance
+ 3. Engines
- 4. Heating, ventilation
   - 4.1. Cooling system
      4.1.1. Introduction
      4.1.2. Technical characteristics
      4.1.3. Hoses of system of cooling
      4.1.4. Radiator
      4.1.5. Thermostat
      4.1.6. Radiator fan
      4.1.7. The additional fan of a radiator on diesel engines of 1,7 l
      4.1.8. The additional electropump of cooling on diesel engines of 1,7 l
      + 4.1.9. Electric sensors
      4.1.10. Water pump
   + 4.2. Heating system and ventilation
   4.3. Air central air
+ 5. Fuel system
+ 6. Systems of start, ignition
+ 7. Transmission
+ 8. Brake system
+ 9. Running gear
+ 10. Body
+ 11. Electric equipment
+ 12. Main malfunctions


4. Heating, ventilation

4.1. Cooling system

4.1.1. Introduction


The system of cooling of tight type turns on the pump, an aluminum radiator, a broad tank, the electric fan of a radiator and the thermostat. At start of the cold engine cooling liquid circulates round the block of cylinders, a head of the block and a final collector. Warm cooling liquid passes through a radiator of a heater and comes back to the water pump. As cooling liquid when heating extends, its level in a broad tank raises. Intake of cooling liquid through a radiator is closed that provides the closed thermostat. When cooling liquid reaches the predetermined temperature, the thermostat opens and hot cooling liquid passes through a hose to a radiator. As cooling liquid passes through a radiator, there is its cooling by a stream of counter air. The electric fan of cooling of the radiator, established behind a radiator, copes the thermal sensor located in a radiator.

In addition to the ordinary sensor of the index of temperature of cooling liquid, temperature switches and sensors for ensuring work of system of injection of fuel and ignition system are established.

On models with the diesel engine of 2,0 l the additional thermostat was originally established on the left side of the block of cylinders on an exit to an oil radiator. However on later models this thermostat is not established.


When opening a cover of a broad tank on the hot engine, it is necessary to be careful, since leaving hot pairs can lead to strong burns.

Do not allow hit of cooling liquid on clothes and a paint and varnish covering of a body. Otherwise wash out a surface a plentiful quantity of water.

After switching off of the hot engine the radiator fan can turn on.