Drive shaft, loosening

WARNING: This page does not describe the selected car, but rather 17 other vehicles, including the 2009 Audi S4, 2009 Audi A4, 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Remove components preventing access to drive shaft → Compressor, removing and mounting (vehicles with 4 or 6-cyl. engine) (removing compressor).

Fig 1: Using Open-Ended Wrench To Hold Compressor Drive Shaft In Position And Turning Compressor Drive Unit

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Use open-ended wrench to hold compressor drive shaft - A - in position and turn compressor drive unit - B - in direction of arrow - C -.

NOTE:

Drive shaft - A - must not be turned.
After loosening threaded connection, drive shaft - A - can be pushed through socket - E - into drive pinion.
After installing drive shaft - A -, check installation position of boot - E -.