A6 Quattro Sedan V8-4.2L (BVJ) (2007)
3. Check the relay J403 of the compressor for the self-leveling system.
Figure 1
Figure 2
Figure 3
4. Open the relay and assess the contacts. Compare them with the contacts of Figures 1 to 3.
Is the wear is similar, or are there burn marks in the housing?
If the relay resembles Figures 1 to 3, replace the compressor and relay J403 for the self-leveling system.
Figure 4
5. Discoloring of the strand is also a clear indication of permanent operation of the compressor (Figure 4).
Replace the compressor and relay J403 for the self-leveling system.