Audi RS4 B7 2008 DIY Repair & Professional Maintenance Manual

2008 Audi RS4 B7 – The Ultimate Maintenance & Service Guide

The 2008 Audi RS4 B7 is a high-performance sports sedan, featuring a 4.2L naturally aspirated V8 engine delivering 420 HP and quattro® all-wheel drive for maximum traction. With its 6-speed manual transmission, aggressive RS-tuned suspension, and B7 chassis enhancements, it offers exhilarating performance and track-ready handling.

To keep your RS4 running like new, proper maintenance and expert repairs are essential. This factory-authorized workshop manual includes detailed service procedures, troubleshooting steps, and performance optimization techniques to maintain engine power, drivetrain reliability, and advanced electronics.

Routine Maintenance & Performance Optimization for the 2008 Audi RS4 B7

Regular servicing is key to extending engine life, improving fuel efficiency, and maximizing performance. This manual includes:

• Oil Change Intervals & High-Performance Filter Replacements – Protect vital engine components.
• Carbon Buildup Removal from Direct Injection System – Ensures optimal power delivery.
• Cooling System Flush & Thermostat Replacement – Prevents overheating.
• Exhaust & Catalytic Converter Maintenance – Keeps emissions compliant.
• Ignition Coil & Spark Plug Service – Ensures smooth engine operation.

Transmission & quattro® AWD System Maintenance

The 2008 Audi RS4 B7 features a 6-speed manual transmission and quattro® AWD with a Torsen center differential, requiring specialized maintenance. This manual covers:

• Transmission Fluid Change & Clutch Inspection – Extends gearbox life.
• Differential & quattro® AWD System Servicing – Maintains handling precision.
• Mechatronic Calibration & Error Code Fixes – Ensures seamless power delivery.
• Launch Control Diagnostics & Torque Converter Adjustments – Improves acceleration.

Braking System & RS-Tuned Suspension Servicing

With high-performance RS brakes and an adaptive suspension system, proper servicing is crucial. This manual includes:

• Brake Pad & Rotor Replacement (Steel & Carbon-Ceramic Options) – Restores stopping power.
• Brake Fluid Bleeding & ABS System Troubleshooting – Prevents brake fade.
• Suspension & Damping System Adjustments – Improves ride quality and cornering ability.
• Steering System Calibration & Power Steering Fluid Service – Keeps handling responsive.

Advanced Electrical System & Infotainment Troubleshooting

The 2008 RS4 B7 includes sophisticated electronics that require expert diagnostics. This guide covers:

• Fixing Audi RNS-E Navigation Freezes & Bluetooth Connection Issues.
• Instrument Cluster & Dashboard Display Error Diagnostics.
• Headlight & Taillight Wiring Fixes.
• ECU Fault Code Reset & Sensor Recalibration.

Interior & Exterior Maintenance – Keeping Your RS4 in Showroom Condition

Preserve the luxury and aesthetics of your RS4 with these essential care techniques:

• HVAC System Repairs & Climate Control Adjustments – Solve airflow and temperature issues.
• Power Window, Sunroof & Door Lock Mechanism Troubleshooting – Fix electrical failures.
• Leather & Alcantara Interior Cleaning Techniques – Maintain a premium cabin feel.
• Exterior Paint Protection & Ceramic Coating Application – Prevent fading and scratches.

2008 Audi RS4 B7 – Performance, Technology & Safety Features

The RS4 B7 combines raw performance with cutting-edge technology and safety features.

✔ 4.2L Naturally Aspirated V8 Engine (420 HP, 430 Nm Torque) – High-revving power.
✔ quattro® AWD with Torsen Center Differential – Provides superior grip in all conditions.
✔ 6-Speed Manual Transmission – Delivers precise gear shifts.
✔ RS Adaptive Suspension with Dynamic Ride Control (DRC) – Enhances handling.
✔ Audi RNS-E Navigation System & Driver Assistance Tech – Advanced digital features.
✔ High-Performance Braking System – Carbon-ceramic or steel brake options.

Technical Specifications – 2008 Audi RS4 B7

• Chassis Code: B7
• Drivetrain: quattro® AWD with Torsen Differential
• Transmission: 6-Speed Manual
• Braking System: Carbon-Ceramic or High-Performance Steel Brakes
• Suspension: RS Adaptive Dampers with Dynamic Ride Control (DRC)

Why This 2008 Audi RS4 B7 Service Manual is a Must-Have

Keeping your RS4 B7 well-maintained is essential for performance and reliability. This manual provides:

✔ Factory-Approved Repair Procedures – Ensures correct servicing.
✔ Step-by-Step Troubleshooting Guides – Simplifies complex repairs.
✔ DIY Maintenance Instructions – Helps reduce workshop costs.
✔ Detailed Wiring Diagrams & Component Schematics – Assists with electrical work.

Available Formats – Instant Access to Audi RS4 Repair Knowledge

✔ Instant PDF Download – Access anywhere, anytime.
✔ USB Flash Drive Option – Ideal for garages and workshops.

Keep Your 2008 Audi RS4 B7 in Peak Condition!

With regular servicing and expert repair guidance, your RS4 B7 will continue to deliver exceptional performance, reliability, and driving pleasure.

✔ Download the 2008 Audi RS4 B7 Service & Repair Manual today!