Engine cooling system Opel Vectra B (petrol)
Operation, coolant, antifreeze, radiator, radiator hoses, cooling system sealing cap, thermostat, water pump, radiator fan, troubleshooting.
This is how cooling occurs
Coolant is constantly pumped through the engine. Its circulation is ensured by a water pump. Driven by a toothed belt, it increases the speed of the liquid...
Coolant is constantly pumped through the engine. Its circulation is ensured by a water pump. Driven by a toothed belt, it increases the speed of the liquid...
Checking the coolant level
Constant control The coolant level in the expansion tank in the engine compartment should be checked regularly, even in vehicles with an automatic control...
Constant control The coolant level in the expansion tank in the engine compartment should be checked regularly, even in vehicles with an automatic control...
Checking the concentration of antifreeze
Maintenance work To check the frost resistance of the coolant, you need a hydrometer. It measures the specific gravity of the liquid. Due to the difference in...
Maintenance work To check the frost resistance of the coolant, you need a hydrometer. It measures the specific gravity of the liquid. Due to the difference in...
Checking the cooling system for leaks
Maintenance work The easiest time to detect leaks in the cooling system is when the engine is warm and, therefore, the cooling system is under operating...
Maintenance work The easiest time to detect leaks in the cooling system is when the engine is warm and, therefore, the cooling system is under operating...
Radiator
The radiator has so-called water boxes made of synthetic material. They are located on the left and right sides of the radiator. From these collectors, the...
The radiator has so-called water boxes made of synthetic material. They are located on the left and right sides of the radiator. From these collectors, the...
Cooling system locking cap
In the high-pressure circuit, the cooling system shut-off cap on the expansion tank plays an important role: The sealing surface of the screwed cap is pressed...
In the high-pressure circuit, the cooling system shut-off cap on the expansion tank plays an important role: The sealing surface of the screwed cap is pressed...
Thermostat
So far we have only talked about "cooling", but the washer fluid should not be too cold either. We have already said that the correct operating temperature in...
So far we have only talked about "cooling", but the washer fluid should not be too cold either. We have already said that the correct operating temperature in...
Help with thermostat problems
Removing the thermostat with a 16V engine. The thermostat (1) is suspended (arrow) in the outlet pipe (2). To unhook it, press the thermostat spring plate...
Removing the thermostat with a 16V engine. The thermostat (1) is suspended (arrow) in the outlet pipe (2). To unhook it, press the thermostat spring plate...
Water pump
In order for the coolant to circulate in the cooling system, it is driven by a water pump. In Vectra models, the water pump is located on the front side and is...
In order for the coolant to circulate in the cooling system, it is driven by a water pump. In Vectra models, the water pump is located on the front side and is...
Radiator fan
Vectra has an electric radiator fan that only turns on when needed, saving engine power and, as a result, petrol. That's why on the radiator on the right (if...
Vectra has an electric radiator fan that only turns on when needed, saving engine power and, as a result, petrol. That's why on the radiator on the right (if...
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