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Relay carriers, fuse holders > < Removing and installing trailer detector control unit J345
Contact corrosion
Contact corrosion
Contact corrosion can occur if unsuitable fasteners (bolts, nuts, washers, etc.) are used.
For this reason, only fasteners with a special surface coating are fitted.
Furthermore, rubber components or plastic components and adhesives are made of non-conductive material.
Always fit new components if you are not sure that the old components are suitable → Electronic parts catalogue.
Note:
t  We recommend the use of genuine replacement parts only; they have been tested and are compatible with aluminium.
t  We recommend using Audi Genuine Accessories.
t  Damage resulting from contact corrosion is not covered by warranty.
   

Relay carriers, fuse holders > < Removing and installing trailer detector control unit J345