Car engine cooling system Audi 100 C4
How cooling is carried out
7 is constantly pumped through the car (4-cylinder), 8 (5-cylinder) and 11 (6-cylinder) liters of coolant. This is done by means of a water pump, which is...
7 is constantly pumped through the car (4-cylinder), 8 (5-cylinder) and 11 (6-cylinder) liters of coolant. This is done by means of a water pump, which is...
Overpressure cooling system
In the cooling system at operating temperature there is excess pressure of 1.2-1.5 bar, which significantly increases the boiling point of the coolant above...
In the cooling system at operating temperature there is excess pressure of 1.2-1.5 bar, which significantly increases the boiling point of the coolant above...
Checking the tightness and servicing the cooling system
The hoses on the radiator and engine should be tightly fitted, as should the thin hoses going to the heater or to the intake pipe and starting automation....
The hoses on the radiator and engine should be tightly fitted, as should the thin hoses going to the heater or to the intake pipe and starting automation....
Coolant expansion tank cap
In a circuit with excess pressure, the expansion tank cap of the cooling system plays an important role. The sealing surface with the cap screwed on must be...
In a circuit with excess pressure, the expansion tank cap of the cooling system plays an important role. The sealing surface with the cap screwed on must be...
Thermostat
In simple terms, the thermostat ensures the circulation of the coolant through a small or large cooling circuit, i.e. bypassing the radiator or including it....
In simple terms, the thermostat ensures the circulation of the coolant through a small or large cooling circuit, i.e. bypassing the radiator or including it....
Water pump
The coolant circulates in the cooling system thanks to an air pump. The pump can be located on the engine in various places: On a four-cylinder engine, the...
The coolant circulates in the cooling system thanks to an air pump. The pump can be located on the engine in various places: On a four-cylinder engine, the...
Water pump belt
The water pump is driven by a toothed belt on the five-cylinder and six-cylinder engines, and by a V-belt on the four-cylinder engine. Therefore, you cannot...
The water pump is driven by a toothed belt on the five-cylinder and six-cylinder engines, and by a V-belt on the four-cylinder engine. Therefore, you cannot...
Electric radiator fan
Audi cars use an electric radiator fan that only turns on when needed. This maintains engine power and saves fuel. On a four-cylinder engine radiator, the...
Audi cars use an electric radiator fan that only turns on when needed. This maintains engine power and saves fuel. On a four-cylinder engine radiator, the...
Electric Radiator Fan Malfunctions
If the thermostat is stuck and the V-belt is torn, a non-working radiator fan can cause the coolant to overheat, especially when idling for a long time, such...
If the thermostat is stuck and the V-belt is torn, a non-working radiator fan can cause the coolant to overheat, especially when idling for a long time, such...
Viscous fan
The main purpose of installing the fan is to save engine power. The fan switches on at a temperature of about 80°C. Switching is done through bimetallic...
The main purpose of installing the fan is to save engine power. The fan switches on at a temperature of about 80°C. Switching is done through bimetallic...
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