Car engine cooling system Audi A6 C5

General information
The car engine is operated in various climatic conditions and under various loads. At the same time, the temperature of the coolant, and, consequently, the...

Checking the cooling system
Leaks in the cooling system and the operation of the overpressure relief valve can be checked using a pressure tester such as the HAZET 4800-1 with adapter...

Cooling liquid
The engine cooling system must be filled with a mixture of water, antifreeze and anti-corrosion agent. Additives to the coolant prevent defrosting of the...

The composition of the coolant mixture
In our latitudes, frost protection should operate down to about -25°C. The proportion of antifreeze should not exceed 60% (which corresponds to protection from...

Coolant replacement
The coolant must be replaced after any work has been carried out on the elements of the cooling system with the coolant drained. If during the repair the...

Thermostat
Engine 1.8-I / 125 hp Withdrawal The thermostat is located in the exhaust pipe of the cylinder block behind the generator. Remove the wire «masses» with...

Radiator
Withdrawal Drain the coolant. Remove the front bumper. Disconnect the upper and lower hoses from the radiator. To do this, remove the fixing brackets (see fig....

Water pump
Engine 1.8-I / 125 hp The water pump is located in the cylinder block and is driven by a toothed belt. Withdrawal Drain the coolant Remove poly V-belt. Unscrew...

Diagnostics of malfunctions of the engine cooling system
Malfunction: if the coolant temperature is too high, the control lamp on the instrument cluster lights up.

This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

Share information: