Connection Diagram - Coolant Hoses, 3.0L Engine Without Parking Heater
WARNING: This page is about a different car, the 2024 Audi S6 and 2024 Audi A6 Quattro. 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-
- Engine Coolant Temperature Sensor on Engine -G82-
- Engine Oil Cooler
- Suction Jet Nozzle
- Coolant Recirculation Pump -V50-
- Cylinder Head
- Cylinder Bank 1 (Right)
- Starter Generator -C29-
- Restrictor
- Bleed Hole
- Heater Core for the Heater
- Cylinder Block
- After-Run Coolant Pump -V51-
- Engine Temperature Control Sensor -G694-
- Coolant Shut-Off Valve
- Vacuum-controlled
- Coolant Thermostat
- For the ATF coolant circuit
- ATF Cooler
- 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
- Restrictor
- Turbocharger
- Map Controlled Engine Cooling Thermostat -F265-
- Coolant Pump
- Activated by the Mechanical Coolant Pump Switch Valve -N649-
- Check Valve