Painting On Vehicles With A/C System
WARNING: This page does not describe the selected car, but rather 23 other vehicles, including the 2017 Audi S5, 2017 Audi A5 Quattro, 2016 Audi S5, 2016 Audi A5 Quattro, and 2015 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.
When performing paint work repairs, object temperatures of 80 °C (176 °F) are not to be exceeded in drying booths or their pre-heating areas.
REASON:
Exposure to heat creates considerable pressure in the system, which could cause it to burst.