Rules For Cleanliness When Working On DSG® Transmission

WARNING: This page is about a different car, the 2018 Audi A6, 2017 Audi A6, and 2016 Audi A6. However, it is still accessible from the selected car via links, so may be relevant.

Thoroughly clean the connection points and the surrounding area before loosening.
Clean the transmission and transmission components using Cleaning Solution -D 009 401 04-.
Use lint-free cloths for cleaning, for example, the "WYPALL X70/WORKHORSE" cloth made by Kimberly-Clark Professional.
Seal all open lines and connections immediately with clean plugs or caps from the :VAS6122 .
Place the removed parts on a clean surface and cover them. Use foil or lint-free cloths.
Carefully cover or seal opened components if the repair will not be done immediately.
Only install clean parts: Remove the replacement parts from their packaging just before installing them.
Protect the disconnected connectors from dirt and moisture and only connect when they are dry.