Test Requirements
WARNING: This page is about a different car, the 2017 Volkswagen Touareg, 2016 Volkswagen Touareg, and 2015 Volkswagen Touareg. However, it is still accessible from the selected car via links, so may be relevant.
- Radiator and condenser are clean (clean if necessary).
- The ribbed belt for the A/C compressor and alternator tensioned correctly.
- All air ducts, covers and seals are OK and installed correctly.
- The doors reach their end position.
- The engine is warm.
- Evaporator and heater not drawing in secondary air (at maximum fresh-air blower speed).
With engine running and A/C system set to maximum cooling output, pay attention to the following points:
- The fresh air blower is running.
- The coolant fan must be running or it must be switched on.
- The recirculation/fresh air door must be in the "recirculation" position.
- Ambient temperature is greater than 15 °C (59 °F).
- The A/C Evaporator Temperature Switch -E33- is installed correctly and its switch temperatures are correct.