Engine number

2009 Audi A6 BaseSECTION Engine number
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.
Fig 1: Locating Engine Number
GW00017270Courtesy of VOLKSWAGEN UNITED STATES, INC.

The engine number ( "Engine code" and "Serial number" ) can be found on the rear left of the cylinder block.

Additionally there is a sticker on the toothed belt guard giving the "Engine code" and "Serial number".

The engine code is also given on the vehicle data sticker.

NOTE:
  • The engine code is also stamped on the front lifting eye (visible when engine cover panel is removed).
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.