The service and repair manual for the 2009 Audi A4 — 2.0L I4 and 1.8L I4 engines, 6 trims. Matched to this exact model year, so the specifications and sequences are the ones Audi published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2009 |
|---|---|
| Engines | 2.0L I4 — 121 cu in, DOHC, turbocharged 1.8L I4 — 110 cu in, DOHC, turbocharged |
| Trims | Cabriolet Convertible 2-Door · Trendy Sedan 4-Door · Trendy Plus Sedan 4-Door · Base Sedan 4-Door · Sport Sedan 4-Door · Luxury Sedan 4-Door |
| Other 2009 A4 variants | A4 Quattro → |
| Federal record | 2 recalls · 150 complaints · 663 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2009 A4 manual
03 / ContentsSections in the manual
- Quick Lookups 109
- General Information 1,456
- Accessories & Equipment 2,069
- Heating, Ventilation & A/C (HVAC) 483
- Body & Frame 1,274
- Maintenance 131
- Brakes 122
- Restraints 201
- Drivelines & Axles 342
- Steering 353
- Electrical 741
- Suspension 514
- Engine Mechanical 584
- Transmission 405
- Engine Performance 912
- Front 200
- Rear 200
04 / Known issuesRecalls on federal record for the 2009 A4
- Air Bags · 16V376000If the air bag control unit fails, the air bags may not deploy in the event of a crash, increasing t.
- Air Bags — frontal › passenger side › inflator module · 17V032000An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou.
Owners have filed 150 complaints and Audi has issued 663 technical service bulletins for the 2009 A4. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2009 A4 manual
Is this manual specific to the 2009 A4?
Yes. It is the OEM manual matched to the 2009 model year, covering the 2.0L I4 and 1.8L I4 across the Cabriolet Convertible 2-Door, Trendy Sedan 4-Door, Trendy Plus Sedan 4-Door, Base Sedan 4-Door, Sport Sedan 4-Door, Luxury Sedan 4-Door trims. Specifications and procedure sequences are the ones Audi published for this year.
What 2009 A4 problems does it help with?
2 recalls are on federal record for the 2009 A4, covering air bags. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Audi dealers.
Does it include 2009 A4 wiring diagrams?
Yes — the complete wiring diagrams for the 2009 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $40.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
RelatedOther A4 years and 2009 Audi models
2015 A4 · 2014 A4 · 2013 A4 · 2012 A4 · 2011 A4 · 2010 A4 · 2008 A4 · 2007 A4 · 2006 A4 · 2005 A4 · 2004 A4 · 2003 A4 · all 29 years
2009 Audi A3 · 2009 Audi A3 Quattro · 2009 Audi A4 Quattro · 2009 Audi A5 · 2009 Audi A5 Quattro · 2009 Audi A6 · 2009 Audi A6 Quattro · 2009 Audi A8 · 2009 Audi A8 Quattro · 2009 Audi Q5 · 2009 Audi Q7 · 2009 Audi R8 · every 2009 model