Car engine cooling system Audi 100 C4
How cooling works
7 is constantly pumped through the car (4-cylinder), 8 (5 cylinder) and 11 (6-cylinder) liters of coolant. This is done by a water pump driven by a V-belt or...
7 is constantly pumped through the car (4-cylinder), 8 (5 cylinder) and 11 (6-cylinder) liters of coolant. This is done by a water pump driven by a V-belt or...
Pressurized cooling system
In the cooling system at operating temperature there is an 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 an excess pressure of 1.2-1.5 bar, which significantly increases the boiling point of the coolant above...
Leak test and maintenance of the cooling system
The hoses on the radiator and the engine must be tightly fitted, as well as the thin hoses leading to the heater or to the inlet pipe and starting automation....
The hoses on the radiator and the engine must be tightly fitted, as well as the thin hoses leading to the heater or to the inlet pipe and starting automation....
Cap of a broad tank of the cooling system
In a pressurized circuit, the coolant expansion tank cap plays an important role. The sealing surface, when the cap is screwed on, must be firmly pressed...
In a pressurized circuit, the coolant expansion tank cap plays an important role. The sealing surface, when the cap is screwed on, must be firmly pressed...
Thermostat
Simply put, the thermostat circulates the coolant through a small or large cooling circuit, i.e. bypassing the radiator or including it. The choice of circuit...
Simply put, the thermostat circulates the coolant through a small or large cooling circuit, i.e. bypassing the radiator or including it. The choice of circuit...
Water pump
The coolant circulates in the cooling system thanks to the 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 the 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 on five-cylinder and six-cylinder engines by a toothed belt, and on a four-cylinder engine by a V-belt. Therefore, a four-cylinder...
The water pump is driven on five-cylinder and six-cylinder engines by a toothed belt, and on a four-cylinder engine by a V-belt. Therefore, a four-cylinder...
Electric radiator fan
Audi vehicles use an electric radiator fan that only comes on when needed. At the same time, engine power is maintained and fuel is saved. On the radiator of a...
Audi vehicles use an electric radiator fan that only comes on when needed. At the same time, engine power is maintained and fuel is saved. On the radiator of a...
Malfunctions of the electric radiator fan
At "sticky" thermostat and a broken V-belt, a non-working radiator fan can cause the coolant to overheat. especially when idling for a long time, for example...
At "sticky" thermostat and a broken V-belt, a non-working radiator fan can cause the coolant to overheat. especially when idling for a long time, for example...
Viscous fan
Installing a fan has the main goal - saving engine power. The fan turns on at a temperature of about 80°C. Switching on is carried out through bimetallic...
Installing a fan has the main goal - saving engine power. The fan turns on at a temperature of about 80°C. Switching on is carried out through bimetallic...
This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
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