Connection Diagram - Coolant Hose, Vehicle With Parking Heater
WARNING: This page is about a different car, the 2022 Audi Q8, 2021 Audi Q8, 2020 Audi Q8, and 2019 Audi Q8. However, it is still accessible from the selected car via links, so may be relevant.
- Blue = large coolant circuit.
- Red = small coolant circuit.
- Orange = coolant circuit for the charge air cooler.
- Brown = heating circuit.
- Green = coolant circuit for the transmission.
- Arrows = coolant flow direction.
- Radiator
- Engine Coolant Temperature Sensor on Radiator Outlet -G83-
- Parking Heater
- With Recirculation Pump -V55-
- Engine Coolant Temperature Sensor on Engine -G82-
- Engine Oil Cooler
- Cylinder Head
- Cylinder Bank 1 (Right)
- Starter Generator -C29-
- Cylinder Block
- Heater Coolant Shut-Off Valve -N279-
- Front Heater Core for the Heater
- Rear Heater Core for the Heater
- Equipped on some models
- Restrictor
- After-Run Coolant Pump -V51-
- Engine Temperature Control Sensor -G694-
- Coolant Shut-Off Valve
- Vacuum-controlled
- ATF Cooler
- Transmission Fluid Cooling Valve -N509-
- Cap
- Checking the pressure relief valve. Refer to COOLING SYSTEM, CHECKING FOR LEAKS .
- Coolant Expansion Tank
- Cylinder Block
- Restrictor
- Cylinder Head
- Cylinder Bank 2 (Left):
- Engine Coolant Temperature Sensor -G62-
- Check Valve
- Turbocharger
- Map Controlled Engine Cooling Thermostat -F265-
- Coolant Pump
- Activated by the Mechanical Coolant Pump Switch Valve -N649-
- Check Valve