audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

All Technical Service Bulletins for Compressor/Pump:|431003|Page 14689 > < All Technical Service Bulletins for Compressor/Pump:|431003|Page 14687
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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.

All Technical Service Bulletins for Compressor/Pump:|431003|Page 14689 > < All Technical Service Bulletins for Compressor/Pump:|431003|Page 14687