Retrofit Trailer Hitch model 166 #20 PDF

A document that provides detailed instructions for the removal and installation of an AdBlue tank in specific vehicle models. It includes images and technical documentation related to the engine types 642 and 651 with specific emission control systems. The procedures cover necessary precautions, parts required, and step-by-step guidance through the process. Warnings and cautions are emphasized to ensure safety and correct handling of components.