Commercially Available Tools And Materials
WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
This list outlines the testers, tools and materials required for expert refrigerant circuit repair work.
| Overview |
|---|
| Fin comb |
| Charging hoses, 5/8"-18 UNF thread |
| Charging hoses, M12 x 1.5-6G according to SAE J639 external thread (included in the A/C service station delivery package). |
| Connection piece for refrigerant cylinder and seal with quick-release coupling connection or threaded connection (included in the A/C service station delivery package). |
| Valve caps 5/8"-18 UNF |
| Pressure gauge set with pressure reducer for nitrogen |
| Quick-release coupling connection for the service connections (Included in the A/C service station delivery package). |
| The wrench size depends on the threaded connections on the refrigerant lines. |
| Connecting nipple for conical seal 5/8"-18 UNF |
| Compressed-air gun with rubber end piece |
| Hand shut-off valve 5/8"-18 UNF |
| Recycling bottles for contaminated refrigerant R1234yf (for the respective gas supplier) |
| Digital thermometer |
| Protective gloves |
| Protective Eyewear |
| Dry ice as pellets (from the respective gas supplier or Internet) |