Car engine cooling system Audi A3 8L

Cooling system specifications
Warning: Individual characteristics are also given in the text of the Chapter and, if their implementation is mandatory, are highlighted in bold Design...

Engine cooling system device
Cooling circuit of the engine with a turbocharger 1.8 l 1 radiator 2 oil radiator 3 Coolant pump/thermostat 4 cylinder head/side 5 expansion tank 6...

Antifreeze is a means of protection against freezing
The engine cooling system is filled with a mixture of water, antifreeze and AUDI corrosion-protective components throughout the year. This mixture prevents...

Replacing the coolant
The coolant should be replaced only after repair of the cooling system, when the liquid was drained. Liquid replacement during maintenance is not provided. If...

Removal, installation and checking the thermostat
Removal The thermostat is located in the coolant outlet pipe at the front of the cylinder block. 1. Drain the coolant. 2. Unscrew the 2 mounting bolts –1– and...

Removal and installation the radiator and fan
Removal 1. Disconnect the negative (–) battery cable with the ignition off. Warning: This will erase information from electronic memory units, such as the...

Removal and installation the coolant pump
Removal 1. Drain the coolant. 2. Loosen the mounting screws and remove the lower and right side engine compartment covers (arrow on the illustration). The...

Checking the cooling system under pressure
The tightness of the system and the operation of the relief valve in the radiator cap can be checked using the 4800⁻¹ pump. Execution order 1. Warm up the...

Checking the cooling fan thermal switch
The thermal switch should be checked if the fan does not turn on when the engine is hot. Check condition: thermostat, radiator and cover are in good condition....

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