Connection Diagram - Coolant Hose, Vehicle With 2.9L Engine
WARNING: This page is about a different car, the 2022 Audi S5, 2022 Audi RS 5, 2021 Audi S5, 2021 Audi RS 5, and 2020 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.
- Blue = large coolant circuit.
- Red = small coolant circuit.
- Pink = coolant circuit for charge air cooler.
- Orange = cylinder block coolant circuit
- Brown = heating circuit.
- Green = coolant circuit for the transmission.
- Arrows = coolant flow direction.
- Radiator
- For transmission coolant circuit
- Right Auxiliary Radiator
- Engine Coolant Temperature Sensor on Radiator Outlet -G83-
- Coolant Thermostat
- For right auxiliary radiator
- Map Controlled Engine Cooling Thermostat -F265-
- Engine Coolant Temperature Sensor on Engine -G82-
- Coolant Shut-Off Valve
- Vacuum-controlled
- Engine Temperature Control Sensor -G694-
- Cylinder Head
- Cylinder Bank 1 (Right)
- Cylinder Block
- Turbocharger
- Cylinder Bank 1 (Right)
- Check Valve
- Restrictor
- Bleed Hole
- Heater Core for the Heater
- Coolant Recirculation Pump -V50-
- After-Run Coolant Pump -V51-
- Cap
- Checking the pressure relief valve. Refer to COOLING SYSTEM, CHECKING FOR LEAKS .
- Coolant Expansion Tank
- Check Valve
- Coolant Thermostat
- For transmission coolant circuit
- Radiator
- For gear oil
- ATF Cooler
- Turbocharger
- Cylinder Bank 2 (Left):
- Engine Oil Cooler
- Cylinder Head
- Cylinder Bank 2 (Left):
- Engine Coolant Temperature Sensor -G62-
- Cylinder Block
- Check Valve
- Restrictor
- Restrictor
- Coolant Pump
- Activated by the Mechanical Coolant Pump Switch Valve -N649-
- Check Valve
- Charge Air Cooling Pump -V188-
- Charge Air Cooler
- Bleed Screw
- Lower Front Auxiliary Radiator
- Front Auxiliary Radiator
- Radiator
- Check Valve
- Bleed Screw