2004 Audi A8 Quattro Service and Repair Manual
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2004 Audi A8 Quattro Service and Repair Manual
This manual covers the 2004 Audi A8 Quattro down to its exact engine, the 4.2L V8 (engine code BFM), and trim, so the torque values, wiring diagrams, and service procedures inside are the ones Audi actually published for your car, not a generic A8-era approximation.
Engines covered
- 4.2L V8 — DOHC, naturally aspirated, gasoline
Body styles covered
- 4-door sedan
Trims covered
- Base
- L
- Plus
Known issues on the 2004 A8 Quattro. One recall is on federal record for this model year, covering the front air bags: during production, a driver's frontal air bag may not unfold properly in a crash and therefore may not inflate as designed, which can increase the risk of injury in a frontal impact. The factory diagnostic and repair procedures behind that system are here.
Whether you're inspecting the air bag module or working through a scheduled service on the 4.2L V8, it keeps you on the OEM procedure and the correct specification for your specific 2004 A8 Quattro.