2015 Audi RS4 Avant B8 Factory Repair & Service Manual

2015 Audi RS4 Avant B8 – Your Essential Repair & Maintenance Guide

The 2015 Audi RS4 Avant B8 is a high-performance sport wagon, featuring a 450 HP naturally aspirated 4.2L V8 engine, quattro® all-wheel drive, and a 7-speed S tronic dual-clutch transmission. To ensure long-term reliability and top performance, regular maintenance and expert repairs are crucial.

This official factory manual provides detailed step-by-step service procedures, troubleshooting steps, and professional repair techniques to help maintain engine efficiency, drivetrain durability, and electronic system functionality.

Routine Maintenance & Performance Optimization for the 2015 Audi RS4 B8

To keep your high-revving 4.2L V8 engine in perfect condition, this manual covers:

• Oil Change Intervals & High-Performance Filter Replacement – Extends engine life.
• Carbon Buildup Cleaning for Direct Injection System – Improves throttle response.
• Coolant System Flush & Thermostat Replacement – Prevents overheating.
• Exhaust System & Catalytic Converter Maintenance – Ensures optimal airflow and emissions compliance.
• Spark Plug Replacement & Coil Pack Servicing – Maximizes ignition efficiency.

Transmission & quattro® Drivetrain Servicing

The 7-speed S tronic dual-clutch transmission and quattro® AWD system require proper care for smooth performance. This manual covers:

• S tronic Gearbox Fluid & Filter Change – Extends transmission life.
• quattro® AWD System Servicing & Rear Differential Lubrication – Reduces drivetrain wear.
• Mechatronic Unit Reset & Adaptation – Fixes shifting issues.
• Clutch Pack Inspection & Replacement – Ensures crisp gear changes.

Braking System & RS Sport Suspension Maintenance

The RS4 B8 features high-performance brakes and an advanced suspension system. Learn how to:

• Replace Carbon-Ceramic or Steel Brake Pads & Rotors – Restores optimal braking power.
• Flush & Bleed Brake Fluid – ABS System Diagnostics – Prevents brake fade.
• Adjust RS Sport Suspension & Adaptive Dampers – Enhances handling and ride comfort.
• Steering Rack & Power Steering Fluid Maintenance – Keeps steering precise.

Fixing Audi RS4 Avant B8 Electronics & Infotainment Issues

This guide provides step-by-step fixes for common electrical problems, including:

• MMI Infotainment Freezes & Bluetooth Connectivity Errors – Troubleshooting guide.
• Virtual Cockpit & Instrument Cluster Malfunctions – How to reset & repair.
• LED Headlight & Taillight Wiring Issues – Solutions for flickering or failures.
• ECU Fault Codes & Sensor Calibration – Diagnostic and reset procedures.

Interior & Exterior Repairs – Keeping Your RS4 B8 in Perfect Condition

Learn factory-approved detailing and repair techniques, such as:

• HVAC System Repairs & Climate Control Fixes – Solving airflow issues.
• Power Window & Door Lock Motor Replacements – Fixing electrical failures.
• Carbon Fiber & Leather Interior Cleaning Techniques – Preserving luxury materials.
• Ceramic Coating & Paint Protection Film (PPF) Installation – Preventing scratches and fading.

2015 Audi RS4 Avant B8 – Performance, Safety & Technical Highlights

This high-performance RS model offers:

✔ 4.2L Naturally Aspirated V8 Engine (450 HP, 430 Nm Torque) – High-revving power.
✔ quattro® AWD with Torque Vectoring Sport Differential – Maximum grip and control.
✔ 7-Speed S tronic Dual-Clutch Transmission – Lightning-fast gear shifts.
✔ RS Sport Suspension with Dynamic Ride Control (DRC) – Enhanced handling stability.
✔ Audi MMI Infotainment & Virtual Cockpit – Advanced digital driver interface.
✔ Driver Assistance Systems – Adaptive cruise control, lane assist, and more.

Technical Specifications – 2015 Audi RS4 Avant B8

• Chassis Code: B8 (Facelift)
• Drivetrain: quattro® AWD with Sport Differential
• Transmission: 7-Speed S tronic Dual-Clutch
• Braking System: Carbon-Ceramic or Performance Steel Brakes
• Suspension: RS Adaptive Dampers with Sport Mode

Why This Audi RS4 Avant B8 Service Manual is a Must-Have

Maintaining a naturally aspirated V8 Audi RS4 requires expert knowledge and accurate repair procedures. This manual provides:

✔ Factory-Approved Repair Procedures – Ensures precision and reliability.
✔ Step-by-Step Troubleshooting Guides – Simplifies complex diagnostics.
✔ DIY Maintenance Instructions – Helps reduce repair costs.
✔ Factory Wiring Diagrams & Schematics – Understand your RS4 inside and out.

Available Formats – Instant Access to Expert Repairs

✔ Instant PDF Download – Get the manual anytime, anywhere.
✔ USB Flash Drive Option – Ideal for workshops and home garages.

Keep Your 2015 Audi RS4 Avant B8 Running Like New!

With factory-approved maintenance and expert repair guidance, your RS4 Avant B8 will deliver unmatched performance, reliability, and driving pleasure.

✔ Download the 2015 Audi RS4 Avant B8 Service & Repair Manual today!