Connection Diagram - Coolant Hoses: Notes
WARNING: This page is about a different car, the 2016 Audi A3 and 2015 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Blue = Large Coolant Circuit.
Red = Small Coolant Circuit.
Purple = Charge Air Cooler Coolant Circuit.
Brown = Heating Circuit.
The Arrows Show The Coolant Flow Direction.
Vehicles without auxiliary heater
- Cooler for the charge air cooling circuit
- Change the coolant after replacing
- Charge air cooler
- Change the coolant after replacing
- Check Valve
- Coolant Pump
- Cylinder head/cylinder block
- Change the coolant after replacing
- Coolant reservoir
- Cover
- For the coolant reservoir
- Check the pressure relief valve COOLING SYSTEM, CHECKING FOR LEAKS .
- Heater Support Pump -V488-
- Check Valve
- Check Valve
- Depending on vehicle equipment
- Heater core for heater
- Change the coolant after replacing
- EGR Cooler
- Change the coolant after replacing
- Check Valve
- Engine Coolant Temperature Sensor -G62-
- Check Valve
- Coolant Connection
- Coolant thermostat
- Engine Oil Cooler
- Check Valve
- Radiator
- Change the coolant after replacing
- Throttle Valve Control Module -J338-
- Charge Air Cooling Pump -V188-