Coolant Hose Connection Diagram, Vehicles Without Auxiliary Radiators For Transmission Fluid Cooling, Without Parking/Auxiliary Heater
WARNING: This page is about a different car, the 2022 Audi SQ7. However, it is still accessible from the selected car via links, so may be relevant.
- Blue = large coolant circuit.
- Red = small coolant circuit.
- Orange = cylinder block coolant circuit
- Brown = heating circuit.
- Green = coolant circuit for the transmission.
- Black = inner connections in engine
- Arrows = coolant flow direction.
- Radiator
- Engine Coolant Temperature Sensor on Radiator Outlet -G83-
- Map Controlled Engine Cooling Thermostat -F265-
- Restrictor
- Coolant Pump
- Activated by the Mechanical Coolant Pump Switch Valve -N649-
- Cylinder Block
- Right
- Coolant Recirculation Pump -V50-
- Cylinder Head
- Cylinder Bank 1 (Right)
- After-Run Coolant Pump -V51-
- Restrictor
- Front Heater Core for the Heater
- Rear Heater Core for the Heater
- Turbocharger
- Cylinder Bank 1 (Right)
- Transmission Fluid Cooling Pump -V478-
- Turbocharger
- Cylinder Bank 2 (Left):
- Gear Oil Radiator
- ATF Cooler
- Engine Oil Cooler
- Transmission Coolant Valve -N488-
- Transmission Fluid Cooling Valve -N509-
- Restrictor
- Cylinder Head
- Cylinder Bank 2 (Left):
- Motor Temperature Sensor -G407-
- Cap
- Checking the pressure relief valve. Refer to COOLING SYSTEM, CHECKING FOR LEAKS .
- Coolant Expansion Tank
- Cylinder Block
- Left
- Check Valve
- Check Valve