Coolant hose connection diagram
WARNING: This page is about a different car, the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
1 - Radiator
- Removing and installing → Radiator, removing and installing
- Replace coolant after replacing
2 - Lower coolant hose
3 - Return hose from turbocharger
- With bypass thermostat in hose
4 - Coolant pump
- Removing and installing → Coolant pump, removing and installing
5 - Turbocharger
- Removing and installing → Turbocharger, removing and installing
6 - Map Controlled Engine Cooling Thermostat F265
- Removing and installing → Map Controlled Engine Cooling Thermostat F265 , removing and installing
- Checking → Map Controlled Engine Cooling Thermostat F265 , checking
7 - Engine oil cooler
8 - Cylinder head/cylinder block
- Replace coolant after replacing
9 - Water connection
10 - Bleeder hole
11 - Heater core of heater
- Replace coolant after replacing
12 - Bleeder screw
- Torque specification 20 Nm
13 - Expansion tank
- With cap
- Pressure relief valve in cap, checking → Cooling system, checking for leaks
14 - Coolant line
15 - Upper coolant hose