Improvised Tools
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.
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This List Outlines The Testers, Tools And Materials Required For Expert Refrigerant Circuit Repair Work.
Charging Hose with Connection for Workshop Compressed-Air System
A - Charging Hose 5/8" - 18 UNF** (Version With Large Inner Diameter)
B - Connection For Workshop Compressed-Air System ** (Always Use Filter)
** Tools and materials, which are commercially available.