Transmission bell housing, ATF leaking

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying ATF Breather Pipe & Level Of Bolt

Courtesy of VOLKSWAGEN UNITED STATES, INC.

NOTE:

If ATF leak is determined from check hole behind ATF breather pipe - A - at level of bolt - B - , transmission is malfunctioning and must be replaced.