Rules of cleanliness

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, and 2003 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

When working on turbocharger, pay careful attention to the following 5 rules:

Carefully clean all joints and adjacent areas before disconnecting.
Place parts removed on a clean surface and cover them over. Do not use fluffy cloths.
Carefully cover or seal opened components if repairs are not to be performed immediately.
Only install clean components: Do not remove replacement parts from wrapping until immediately prior to installation. Do not use parts that have been stored loose (e.g. in tool boxes).

When system is open: Do not work with compressed air if at all possible. Do not move vehicle unless absolutely necessary.