Connection Diagram - Coolant Hose, Vehicles With A Turbocharger, Water-Cooled Selective Catalytic Reduction Valve And Parking Heater
WARNING: This page is about a different car, the 2016 Audi A6 Quattro. 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
- Engine Coolant Temperature Sensor on Radiator Outlet -G83-
- Map Controlled Engine Cooling Thermostat -F265-
- Cylinder Block
- Cylinder bank 1 (right)
- Parking Heater
- With Recirculation Pump -V55-
- Removing and installing. Refer to appropriate service information. .
- Check Valve
- Removing and installing. Refer to CHECK VALVE, REMOVING AND INSTALLING, CYLINDER BANK 2 (LEFT) .
- Cylinder Head
- Cylinder bank 1 (right)
- Check Valve
- Engine Coolant Temperature Sensor -G62-
- Heater Coolant Shut-Off Valve -N279-
- Removing and installing. Refer to Heater Coolant Shut-Off Valve -N279-, REMOVING AND INSTALLING .
- Bleeder Screw
- Heater Core for the Heater
- Removing and installing. Refer to HEATER CORE, REMOVING AND INSTALLING [For engine(s) CTUA, CAED, CREH, CEUC, CTGE, CREC, CYNB, CPNB] .
- Reducing Agent Injector -N474-
- Water-cooled
- Coolant Thermostat
- For the ATF coolant circuit
- ATF Cooler
- Removing and installing. Refer to ATF COOLER, REMOVING AND INSTALLING .
- Check Valve
- Exhaust Gas Recirculation (EGR) Cooler
- Check Valve
- Cylinder Head
- Cylinder bank 2 (left)
- Cap
- Checking the pressure relief valve. Refer to PRESSURE RELIEF VALVE IN CAP, CHECKING .
- Coolant Expansion Tank
- Check Valve
- Removing and installing. Refer to CHECK VALVE, REMOVING AND INSTALLING, CYLINDER BANK 2 (LEFT) .
- Cylinder Block
- Cylinder bank 2 (left)
- Coolant Shut-Off Valve
- Engine Temperature Control Sensor -G694-
- Engine Oil Cooler
- Coolant Pump
- Check Valve