Water pump — design description (Audi A6 C5)

3.0. Water pump. Cars with gasoline engine:
1 - water pump housing
2 - bolt. Tightening torque - 10 Nm
3 - coolant supply line
4 - sealing ring. To be replaced after each dismantling
5 - water pump housing mounting bolt. Tightening torque - 10 Nm
6 - sealing gasket. To be replaced after each dismantling
7 - water pump
8 - sealing ring. To be replaced after each dismantling
9 - water pump mounting bolt. Tightening torque - 10 Nm
10 - oil pump shaft
11 - sealing ring. To be replaced after each dismantling
12 - sealing gasket. To be replaced after each dismantling
13 - thermostat
14 - thermostat housing
15 - drain plug. Tightening torque - 25 Nm
16 - sealing gasket. To be replaced after each dismantling
17 - thermostat housing mounting bolt. Tightening torque - 10 Nm

3.0a. Water pump. Diesel vehicles:
1 - thermostat mounting bolt. Tightening torque - 10 Nm
2 - thermostat housing mounting bolt. Tightening torque - 10 Nm
3 - threaded plug. Tightening torque - 25 Nm
4 - sealing gasket. To be replaced after each dismantling
5 - thermostat housing
6 - sealing ring. To be replaced after each dismantling
7 - thermostat
8 - sealing gasket. To be replaced after each dismantling
9 - water pump
10 - water pump mounting bolt. Tightening torque - 10 Nm