Vehicle cooling system Audi 100 C3, diesel
Cooling system specifications
System type - Sealed radiator with expansion tank, belt-driven water pump, temperature-controlled electric cooling fan Filler cap opening pressure - 1.2-1.35...
System type - Sealed radiator with expansion tank, belt-driven water pump, temperature-controlled electric cooling fan Filler cap opening pressure - 1.2-1.35...
General description
The cooling system is sealed and includes a water pump driven by a toothed belt, a thermostat and a radiator, an electric cooling fan and an expansion tank....
The cooling system is sealed and includes a water pump driven by a toothed belt, a thermostat and a radiator, an electric cooling fan and an expansion tank....
Maintenance and inspection
1. Check the coolant level in the system weekly and, if necessary, top up with a mixture of water and antifreeze to the minimum mark indicated on the expansion...
1. Check the coolant level in the system weekly and, if necessary, top up with a mixture of water and antifreeze to the minimum mark indicated on the expansion...
Cooling system — drain
1. It is preferable to drain the fluid from the system when the engine is cold. If this is not possible, place a cloth on the filler cap on the expansion tank...
1. It is preferable to drain the fluid from the system when the engine is cold. If this is not possible, place a cloth on the filler cap on the expansion tank...
Cooling system — flushing
1. Over time, the passages in the radiator and the water passages in the engine can become narrowed or even blocked with sediment. When this happens, the...
1. Over time, the passages in the radiator and the water passages in the engine can become narrowed or even blocked with sediment. When this happens, the...
Cooling system — filling
1. Connect all hoses and check that the heater is turned on in the heating position. 2. Fill the expansion tank with refrigerant to the top, then proceed as...
1. Connect all hoses and check that the heater is turned on in the heating position. 2. Fill the expansion tank with refrigerant to the top, then proceed as...
Antifreeze mixture
1. The cooling system is filled at the factory with an antifreeze mixture that contains a corrosion inhibitor. The antifreeze mixture prevents freezing, raises...
1. The cooling system is filled at the factory with an antifreeze mixture that contains a corrosion inhibitor. The antifreeze mixture prevents freezing, raises...
Radiator — removal, inspection, cleaning and installation
1. Disconnect the negative battery terminal. 2. Drain the cooling system as described in Chapter 3 . 4-cylinder engines 3. Loosen the clamps, disconnect the...
1. Disconnect the negative battery terminal. 2. Drain the cooling system as described in Chapter 3 . 4-cylinder engines 3. Loosen the clamps, disconnect the...
Thermostat — Removal, Checking and Installation
1. On four-cylinder engines, the thermostat is located at the base of the water pump housing; on five-cylinder engines, it is located behind the water pump on...
1. On four-cylinder engines, the thermostat is located at the base of the water pump housing; on five-cylinder engines, it is located behind the water pump on...
Water pump — removal and installation
1. Drain the cooling system as described in Chapter 3 . 4-cylinder engines 2. Remove the generator and drive belt. 3. Unscrew the pulley from the water pump...
1. Drain the cooling system as described in Chapter 3 . 4-cylinder engines 2. Remove the generator and drive belt. 3. Unscrew the pulley from the water pump...
Cooling Fan Thermal Switch — Checking, Removing and Installing
1. If the thermal switch at the base of the radiator is damaged, the most likely cause is a circuit failure. The fan motor does not turn on even if the coolant...
1. If the thermal switch at the base of the radiator is damaged, the most likely cause is a circuit failure. The fan motor does not turn on even if the coolant...
Coolant Temperature Sensor — Removal and Installation
1. The temperature sensor is located on the rear of the cylinder head. Before removing it, drain half of the liquid from the cooling system. 2. Disconnect the...
1. The temperature sensor is located on the rear of the cylinder head. Before removing it, drain half of the liquid from the cooling system. 2. Disconnect the...
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