Coolant Hose Connection Diagram
WARNING: This page is about a different car, the 2015 Audi Q7, 2014 Audi Q7, and 2013 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Blue = large coolant circuit.
Red = small coolant circuit.
Orange = cylinder block coolant circuit.
Brown = heating circuit.
The arrows show the coolant flow direction.
- Radiator
- Change the coolant after replacing
- Engine Coolant Temperature Sensor on Radiator Outlet -G83-
- Map Controlled Engine Cooling Thermostat -F265-
- Removing and installing. Refer to Map Controlled Engine Cooling Thermostat -F265-, REMOVING AND INSTALLING .
- Cylinder Block
- Check Valve
- Cylinder Head
- Cylinder bank 1 (right)
- Change the coolant after replacing
- Coolant Expansion Tank
- Cap
- Checking the pressure relief valve. Refer to COOLANT SYSTEM, CHECKING FOR LEAKS .
- From the Heater Core for the Heater
- To the Heater Core for the Heater
- Engine Coolant Temperature Sensor -G62-
- ATF Cooler
- Removing and installing. Refer to ATF COOLER, REMOVING AND INSTALLING .
- Change the coolant after replacing
- Transmission Coolant Valve -N488-
- Check Valve
- Arrow in the direction of flow
- Exhaust Gas Recirculation (EGR) Cooler
- Change the coolant after replacing
- Cylinder Head
- Cylinder bank 2 (left)
- Change the coolant after replacing
- Check Valve
- Cylinder Block
- Change the coolant after replacing
- Coolant Shut-Off Valve
- Engine Temperature Control Sensor -G694-
- Engine Oil Cooler
- Change the coolant after replacing
- Coolant Pump