2009 Audi S4 service and repair manual a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What's included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- Cabriolet Convertible 2-Door
Engines covered
- 4.2L 4163CC V8 GAS DOHC Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2009 Audi A4 Cabriolet, S4 Cabriolet, A6 Avant, A6 Sedan and S6 Sedan vehicles originally sold, or ever registered, in Arizona, Arka
An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou
Audi will notify owners, and dealers will replace the passenger frontal air bag inflator, free of ch
This bulletin provides information when the remote control key is inoperative.
This bulletin provides information pertaining to MMI Navigation database concerns.
This bulletin contains repair information for when there is a creaking/squeaking from the steering column when steering slowly.
This bulletin provides information when the parking assistance provides false warnings.
This bulletin provides general information about the outside air temperature reading.
This bulletin provides information on the VAS 611 015 PICO-NVH tool for professional noise analysis.
This bulletin provides information pertaining to when there are foreign objects inside of a headlight or taillight.
This bulletin provides damage assessment guidelines for textile seat covers.
Showing the 8 most recent of 199 technical service bulletins on file with NHTSA.
