Vehicle cooling and heating system Audi A6 C5 Allroad

Engine Cooling System — Design Description
The coolant constantly circulates in the circuit, pumped by the water pump. While the engine is not warmed up, the coolant circulates only in the cylinder...

Coolant — draining and refilling
The coolant should only be changed after a repair of the cooling system, for which the coolant had to be drained. The coolant is not replaced as part of...

Water pump — design description
3.0. Water pump. Cars with petrol engine: 1 - water pump housing 2 - bolt. Tightening torque - 10 Nm 3 - coolant supply pipeline 4 - sealing ring. To be...

Water pump — removal and installation
Withdrawal Cars with a gasoline engine 1. Set the front cross member to the service position. 2. Disconnect the coolant supply hose from the fitting on the...

Thermostat — removal, installation and inspection
Withdrawal Cars with a gasoline engine 1. Drain the coolant (see relevant chapter). 2. Disconnect the coolant hoses from the thermostat housing. 3. Unscrew the...

Radiator — removal and installation
Withdrawal Cars with a gasoline engine 1. Remove the cap from the coolant expansion tank. Attention! With a hot engine, place a rag on top of the expansion...

Additional radiator — removal and installation
Attention! Additional radiators are equipped with cars with a gasoline engine. Withdrawal 1. Remove the cap from the coolant expansion tank. Attention! With a...

Radiator blower fan — removal and installation
Withdrawal Cars with a gasoline engine Attention! Cars with a gasoline engine are equipped with two radiator fans. Left radiator fan 1. Disconnect the plug...

Charge air cooling radiator (intercooler) — design description
8.0. Charge air cooling radiator (intercooler): 1 - charge air cooling radiator (intercooler) 2 - bolt. Tightening torque - 9 Nm 3 - fairing 4 - bolt with a...

Charge air cooling radiator (intercooler) — removal and installation
Withdrawal 1. Remove the front bumper (see relevant chapter). 2. Squeeze out the latches and remove the protective pad (see arrows in illustration). 8.2....

Heating and air conditioning — general information
The air supplied to the passenger compartment is sucked in from the outside through the fairing grille. Outside air passes through the dust filter (cabin...

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