Improvised Tools

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.

Charging Hose with Connection for Workshop Compressed-Air System

Fig 1: Charging Hose With Connection To Workshop Compressed-Air System

Courtesy of AUDI OF AMERICA, LLC

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.