2007-2014 Audi A5 Repair Manual

This is the original OEM workshop service and auto repair manual for the 2007-2014 Audi A5, S5, and RS5 (Type 8T and 8F). The manual comes in a convenient PDF file format and includes comprehensive wiring diagrams, along with detailed repair and maintenance procedures. It’s the same trusted manual used by Audi dealer mechanics and technicians, ensuring accuracy and reliability for all vehicle servicing needs.

Engines Covered

• 4 Cylinder Direct Injection Engine (1.8, 2.0 Litre 4 Valve Generation II).
• 4 Cylinder Direct Injection Engine (1.8, 2.0 Liters 4 Valve TFSI Generation III).
• 4 Cylinder TDI Engine 2.0 Litre 4 Valve Common Rail (EA 288 Generation I).
• 4 Cylinder TDI Engine (2.0 Litre 4 Valve Common Rail Generation II).
• 4 Cylinder TDI Engine (2.0 Litre 4 Valve Common Rail).
• 6 Cylinder Direct Injection Engine (EVO) With Supercharger (3.0 Litre 4 Valve TFSI).
• 6 Cylinder Direct Injection Engine with Supercharger (3.0 Litre 4 Valve TFSI).
• 6 Cylinder Direct Petrol Injection Engine (3.2 Litre 4 Valve).
• 6 Cylinder TDI Engine (2.7 Litre, 3.0 Litre 4 Valve Common Rail).
• 6 Cylinder TDI Engine (3.0 Litre 4 Valve Common Rail  Generation II).
• 6 Speed Manual Gearbox 0B1 Front Wheel Drive.
• 6 Speed Manual Gearbox 0B2 Four Wheel Drive.
• 6 Speed Manual Gearbox 0B3 Front Wheel Drive.
• 6 Speed Manual Gearbox 0B4 Four Wheel Drive.
• 7 Speed Dual Clutch Gearbox 0B5 (S Tronic).
• 8 Cylinder Direct Injection Engine (4.2 Litre 4 Valve RS4 RS5).
• 8 Cylinder Direct Injection Engine (4.2 Litre 4 Valve).

Table of Contents : 2007-2014 Audi A5 Repair Manual

• 4 Cylinder Direct Injection Engine (1.8, 2.0 Liter 4 Valve   Generation II).
• 4 Cylinder Direct Injection Engine (1.8, 2.0 Liter 4 Valve TFSI   Generation III).
• 4 Cylinder TDI Engine 2.0 Liter 4 Valve Common Rail (EA 288 Gen I).
• 4 Cylinder TDI Engine (2.0 Liter 4 Valve Common Rail   Generation II).
• 4 Cylinder TDI Engine (2.0 Liter 4 Valve Common Rail).
• 6 Cylinder Direct Injection Engine (Evo) With Supercharger (3.0 Liter 4 Valve TFSI).
• 6 Cylinder Direct Injection Engine with Supercharger (3.0 Liter 4 Valve TFSI).
• 6 Cylinder Direct Petrol Injection Engine (3.2 Liter 4 Valve).
• 6 Cylinder TDI Engine (2.7 Liter 3.0 Liter 4 Valve Common Rail).
• 6 Cylinder TDI Engine (3.0 Liter 4 Valve Common Rail   Generation II).
• 6 Speed Manual Gearbox 0B1 Front Wheel Drive.
• 6 Speed Manual Gearbox 0B2 Four Wheel Drive.
• 6 Speed Manual Gearbox 0B3 Front Wheel Drive.
• 6 Speed Manual Gearbox 0B4 Four Wheel Drive.
• 7 Speed Dual Clutch Gearbox 0B5 (S Tronic).
• 8 Cylinder Direct Injection Engine (4.2 Liter 4 Valve RS4 RS5).
• 8 Cylinder Direct Injection Engine (4.2 Liter 4 Valve).
• 8 Speed Automatic Gearbox 0BK Four Wheel Drive.
• Air Conditioner with Refrigerant R134a.
• Air Conditioners with Refrigerant R1234yf   General Information.
• Automatic Gearbox 0B6 Four Wheel Drive.
• Auxiliary Heater Supplementary Heater.
• Body Repairs General Body Repairs.
• Body Repairs.
• Brake System.
• Communication.
• Direct Injection and Ignition System (4 Cylinder 1.8 Liter 2.0 Liter 4 Valve Turbo   Generation III).
• Direct Petrol Injection and Ignition System (4 Cylinder 1.8 Liter 4 Valve Turbo with Timing Chain).
• Direct Petrol Injection and Ignition System (4 Cylinder 2.0 Liter 4 Valve Turbo with Timing Chain).
• Direct Petrol Injection and Ignition System (8 Cylinder 4.2 Liter 4 Valve) RS4 RS5.
• Direct Petrol Injection and Ignition System (8 Cylinder 4.2 Liter 4 Valve).
• Electrical System General Information.
• Electrical System.
• Fitting Instructions Filling Roof Side Member with Foam.
• Fitting Instructions Radio Communication Systems.
• Fuel Supply System Diesel Engines.
• Fuel Supply System Petrol Engines.
• General Body Repairs Exterior.
• General Body Repairs Interior.
• Heating Air Conditioning.
• Maintenance.
• Multitronic 0AW Front Wheel Drive.
• Rear Final Drive 0BC 0BD 0BE 0BF.
• Rear Final Drive 0BD.
• Rear Final Drive 0BF and 0BE   Sport Differential.
• Running Gear Axles Steering.
• Running Gear Front Wheel Drive and Four-Wheel Drive.
• Servicing 6 Speed Manual Gearbox 0B1 Front Wheel Drive.
• Servicing 6 Speed Manual Gearbox 0B2 Four Wheel Drive.
• Servicing 6 Speed Manual Gearbox 0B3 Front Wheel Drive.
• Servicing 6 Speed Manual Gearbox 0B4 Four Wheel Drive.
• Servicing 7 Speed Dual Clutch Gearbox 0B5 (S Tronic).
• Servicing Multitronic 0AW.
• Simos Direct Petrol Injection and Ignition System (6 Cylinder 3.0 Liter TFSI 4 Valve).
• Simos Direct Petrol Injection and Ignition System (6 Cylinder 3.2 Liter 4 Valve).
• Specifications for Testing the Braking Force.
• System Description Adaptive Cruise Control.
• System Description Entry and Start Authorisation.
• System Description Extended Service Interval.
• System Description Exterior Lights.
• System Description Exterior Mirrors.
• System Description Infotainment and Audio Output (MOST).
• System Description Infotainment and Navigation System.
• System Description Interior Lights.
• System Description Lane Change Assist (Audi Side Assist).
• System Description Lane Departure Warning (Audi Lane Assist).
• System Description Running Gear Steering Wheel.
• System Description Windows and Doors.
• System Description Wiper and Washer Systems.
• TDI Injection and Glow Plug System 4 Cylinder 2.0 Liter 4 Valve Common Rail Generation II.
• TDI Injection and Glow Plug System 4 Cylinder 2.0 Liter 4 Valve Common Rail.
• TDI Injection and Glow Plug System 6 Cylinder 2.7, 3.0 Liter 4 Valve Common Rail.
• TDI Injection and Glow Plug System 6 Cylinder 3.0 Liter 4 Valve Common Rail Generation II.
• Technical Data for Diesel Engines.
• Technical Data for Petrol Engines.
• Trailer Operation Guide.
• Wheel Tyre Guide.
• Wheels and Tyres.
• Wiring Diagrams.

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Common Issues Reported By Owners

The 2014 Audi A5, available in coupe, convertible, and Sportback configurations, is a stylish luxury vehicle known for its refined driving dynamics and high-quality interior. However, like any car, it has some common issues that owners have reported. Here’s an overview of potential problems:

Common Issues with the 2014 Audi A5

1. Excessive Engine Oil Consumption

• Issue: Some owners of the 2.0L TFSI engine have reported excessive oil consumption, a problem common in many Audi models of this era.
• Symptoms: Frequent need to top off oil, oil warning light, or low oil levels between oil changes.
• Solution: Audi issued a service bulletin for this problem. Solutions include piston ring replacement or, in severe cases, engine rebuilds. Regularly monitor oil levels and perform oil consumption tests if needed.

2. Timing Chain Tensioner Issues

• Issue: The timing chain tensioner in the 2.0L TFSI engine can fail prematurely, leading to potential engine damage if not addressed.
• Symptoms: Rattling noise on startup, check engine light, or misfires.
• Solution: Replace the timing chain and tensioner proactively to avoid engine failure, especially on higher-mileage vehicles.

3. DSG Transmission Problems (S-Tronic Models)

• Issue: Vehicles equipped with the 7-speed S-Tronic dual-clutch transmission may experience rough shifting, hesitation, or jerking during gear changes.
• Symptoms: Delayed or harsh shifts, slipping gears, or transmission warning lights.
• Solution: Perform a transmission fluid and filter change. Software updates or mechatronic unit repairs may also be necessary.

4. Turbocharger Failures

• Issue: The turbocharger in the 2.0L engine may fail due to wear or poor maintenance.
• Symptoms: Loss of power, whistling or whining noises, or excessive smoke from the exhaust.
• Solution: Replace the turbocharger and ensure proper oil change intervals to maintain turbo health.

5. Water Pump and Thermostat Failures

• Issue: The water pump and thermostat housing are prone to leaks or failure, leading to engine overheating.
• Symptoms: Coolant leaks, low coolant warning, or high engine temperatures.
• Solution: Replace the water pump and thermostat with upgraded components if leaks or overheating occur.

6. Suspension Component Wear

• Issue: The control arms, bushings, and other suspension components may wear out prematurely, particularly on vehicles driven in harsh conditions.
• Symptoms: Clunking or squeaking noises, uneven tire wear, or a rough ride.
• Solution: Replace worn suspension components and ensure proper wheel alignment.

7. Infotainment System Glitches

• Issue: The MMI (Multi-Media Interface) system can experience issues, including unresponsiveness, freezing, or Bluetooth connectivity problems.
• Symptoms: Laggy touchscreen, inability to pair devices, or navigation malfunctions.
• Solution: Update the MMI software or replace malfunctioning components if issues persist.

8. Carbon Buildup in the Intake Valves

• Issue: The direct-injection engine design is prone to carbon buildup on intake valves over time, which can reduce performance.
• Symptoms: Rough idle, misfires, or reduced fuel efficiency.
• Solution: Perform a walnut blasting or chemical cleaning of the intake valves every 50,000–60,000 miles.

9. Electrical Problems

• Issue: Electrical components, such as window regulators, door locks, and sensors, may fail or malfunction.
• Symptoms: Non-functioning windows, doors not locking/unlocking, or dashboard warning lights.
• Solution: Diagnose and replace faulty electrical components as needed.

10. Convertible Top Issues (A5 Cabriolet)

• Issue: The convertible top mechanism may experience issues, such as failing motors or leaks around the seals.
• Symptoms: Difficulty opening or closing the top, or water leaks into the cabin.
• Solution: Inspect and repair or replace malfunctioning components. Ensure seals are maintained and lubricated.

Maintenance Tips for the 2014 Audi A5

1. Oil Changes: Use high-quality synthetic oil and monitor oil levels regularly.
2. Timing Chain: Have the timing chain and tensioner inspected periodically, especially after 60,000 miles.
3. Carbon Cleaning: Perform regular intake valve cleaning to avoid performance issues.
4. Transmission Service: Change the DSG transmission fluid and filter every 40,000 miles.
5. Coolant System Maintenance: Inspect the water pump and thermostat regularly and replace the coolant as recommended.
6. Tire Care: Rotate tires regularly and maintain proper alignment to avoid uneven wear.

Summary

The 2014 Audi A5 is a sleek and enjoyable luxury car, offering strong performance and high-end features. However, it has a few common issues, particularly with the engine, transmission, and cooling system. Regular maintenance and proactive care can help address these problems before they become severe. If you’re considering purchasing a used A5, ensure it has a solid maintenance history and consider a pre-purchase inspection to avoid costly repairs.