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We list the A4 across five generations: B5, B6, B7, B8 and B9. Engines include the 1.8T, the 2.0 TFSI, the 3.0 V6 and TDI diesels, with front-wheel drive or quattro.


Model year 2000 is part of the A4 B5 generation (1995–2001). Most procedures are shared with the other years of this generation, but engines, options and wiring changed from year to year, so the manual is made for the 2000 model year.
Check the model year on your VIN: on a 2000 vehicle the 10th character of the 17-digit VIN is “Y”. Vehicles built for North America always carry the model year in that position; on some European or Australian vehicles it may be left unused, so in that case go by the registration papers or the build plate.
At about 26 years old, a 2000 vehicle is in the age range where wiring, rubber hoses, seals and corrosion repairs take most of the work, and where original factory information is hardest to find.
Same generation: 1995 Audi A4, 1996 Audi A4, 1997 Audi A4, 1998 Audi A4, 1999 Audi A4, 2001 Audi A4.
All Audi A4 model years: 1995 · 1996 · 1997 · 1998 · 1999 · 2000 · 2001 · 2002 · 2003 · 2004 · 2005 · 2006 · 2007 · 2008 · 2009 · 2010 · 2011 · 2012 · 2013 · 2014 · 2015 · 2016 · 2017 · 2018 · 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2026
Engines
4-Cyl. TDI®Engine, Mechanics AJM ATJ
4-Cylinder engine (2-valve), Mechanics ADP
4-Cylinder engine (5-valve), Mechanics AVV ADR AFY APT ARG
4-cylinder Diesel Direct Injection Engine (TDI), Mechanics AFN AHH AHU AVG AFF
4-cylinder engine (1.8 ltr. 5-valve turbo), mechanics AJL ARK AEB ANB APU ATW
4-cylinder engine (2-valve), mechanics AHL ANA ARM
4-cylinder engine (2-valve, roller rocker fingers), mechanics ALZ
4-cylinder engine (5-valve turbo), mechanics AWM AWT
6-Cylinder engine (5-valve turbo), Mechanics AGB AZB
6-cylinder Engine (2-valve) Mechanics AAH ABC
6-cylinder diesel direct injection engine (TDI), mechanics AFB AKN
6-cylinder engine (5 valve), mechanics AGA AJG ALF AML AMM APS APZ ARJ ACK AHA ALG AMX APR AQD ATQ ATX
6-cylinder engine, 2.7 ltr. 5-valve turbo (RS4), mechanics ASJ AZR
