Engine number

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 Audi S4, 2008 Audi S4, 2007 Audi S4, 2006 Audi S4, and 2005 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Locating "Engine Code" And "Serial Number"

Courtesy of VOLKSWAGEN UNITED STATES, INC.

NOTE:

A sticker - arrow - with "engine code" and "serial number" is affixed at right on intake manifold.
The engine code is also located on the vehicle data plate.
The engine number is only visible after a work step.

Bring lock carrier into service position → Lock carrier, moving into service position .

Fig 2: Removing Front Engine Cover

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove front engine cover - arrows 1 and 2 -.

Fig 3: Locating "Engine Code" And "Serial Number" At Front On Cylinder Block At Top

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Engine number ("engine code" and "serial number") is located at front on cylinder block at top - arrow -.