Market Segment:
Compact executive car / Premium compact station wagon
Key Competitors:
BMW 3 Series Touring, Mercedes-Benz C-Class Estate, Volvo V40/V70, Saab 900/9-3 Sportwagon.
Unique Selling Points:
Reputation for quattro all-wheel drive, refined interior, solid build quality, and comfortable ride.
Diagnostic Capability:
Enables users to diagnose and resolve mechanical and electrical issues efficiently.
Maintenance Optimization:
Facilitates adherence to manufacturer-recommended maintenance schedules for optimal vehicle performance and longevity.
Engine:
Comprehensive coverage including maintenance, troubleshooting, disassembly, assembly, and repair of all engine variants (petrol and diesel).
Transmission:
Detailed procedures for manual and automatic transmissions, including clutch, gearbox, final drive, and associated systems.
Brakes:
Complete brake system diagnostics and repair, including ABS, EBD, hydraulic lines, calipers, rotors, and pads.
Suspension:
Front and rear suspension components, including struts, shocks, control arms, bushings, and wheel alignment.
Steering:
Power steering system, steering rack, linkages, and associated components.
Electrical:
Extensive electrical system coverage, including wiring diagrams, fuses, relays, lighting, starter, alternator, battery, and control modules.
HVAC:
Heating, ventilation, and air conditioning system diagnosis and repair, including refrigerant systems and climate control modules.
Body And Chassis:
Body panel removal and installation, interior trim, doors, windows, sunroof, and chassis components.
Fuel System:
Fuel delivery, injectors, fuel pump, fuel filter, and evaporative emissions control.
Exhaust System:
Exhaust manifold, catalytic converter, mufflers, and pipes.
Cooling System:
Radiator, water pump, thermostat, hoses, and fan assembly.
Safety Systems:
Airbag system diagnosis and repair, seatbelt mechanisms.
Instrumentation:
Dashboard, instrument cluster, warning lights, and gauge functionality.
Lighting System:
Headlights, taillights, interior lighting, fog lights, and associated wiring.
Wheel And Tire:
Wheel specifications, tire pressure, rotation, and replacement.
Emission Controls:
Components related to emissions, including catalytic converter, oxygen sensors, and EVAP system.
Maintenance:
All scheduled maintenance procedures, fluid changes, filter replacements, and general upkeep.
Troubleshooting:
Diagnostic flowcharts and symptom-based troubleshooting for common and complex issues.
Repair:
Step-by-step repair instructions for virtually every component and system on the vehicle.
Disassembly Assembly:
Complete instructions for the disassembly and reassembly of major vehicle components.
Diagnostics:
Advanced diagnostic procedures, including OBD-II scan tool usage and interpretation.
Torque Specifications:
Precise torque values for all critical fasteners.
Wiring Diagrams:
Detailed, component-level electrical wiring diagrams for all model year variations.
Bodywork Repair:
Instructions for body panel alignment, repair of minor dents, and removal/installation of bumpers and trim.
Depth:
Comprehensive coverage from basic DIY maintenance to advanced mechanical and electrical repairs, suitable for both novice and professional mechanics.
Diagram Quality:
High-quality diagrams and illustrations to aid in understanding procedures.
Engine Options:
Includes 1.6L (AHL, ANA), 1.8L (ADP, AHL, ADR, APT, AVV), 1.8L Turbo (AEB, APU, ARK, AWL, AWT), 2.4L V6 (AGA, ALF, AML, APS, ARJ), 2.7L Twin-Turbo V6 (APB, BES), 2.8L V6 (AAH, ACK, ALG, AMX, APR, AQD, ATQ), 2.5L TDI (AFB, AKN), 1.9L TDI (AHU, AHH, AFN, AVG).
Horsepower Range:
Approximately 100 hp to 265 hp depending on engine variant.
Torque Range:
Approximately 140 Nm to 400 Nm depending on engine variant.
Fuel Delivery Type:
Multi-point fuel injection (MPI) for naturally aspirated petrol engines, Electronic Fuel Injection (EFI) with turbocharging for turbo petrol and TDI diesel engines.
Turbocharged Petrol:
1.8T engines (AEB, APU, ARK, AWL, AWT) offering a balance of performance and efficiency.
Naturally Aspirated Petrol:
Four-cylinder and V6 naturally aspirated engines, known for their smoothness and reliability.
Turbo Diesel:
1.9L and 2.5L TDI engines, providing excellent fuel economy and torque.
Oil Change Interval:
Typically every 15,000 km or 12 months, whichever comes first (for models with long-life service intervals, check specific model year).
Timing Belt Replacement:
For 1.8T and V6 engines, typically around 100,000-120,000 km or 5-7 years. Diesel models often use timing chains or belts with different intervals. Refer to manual for exact figures.
Engine Oil Specification:
API SJ/SL or ACEA A3/B3/B4. Viscosity grades vary by climate, common grades include 5W-40, 5W-30, 0W-30. e.g., Castrol Syntec or equivalent.
Coolant Specification:
G12/G12+ or G13 coolant concentrate mixed with distilled water. Always use the correct Audi approved coolant.
Transmission Fluid Manual:
API GL-4 or GL-5 gear oil, viscosity varies by transmission type (e.g., G052171A2 for some manual gearboxes).
Transmission Fluid Automatic:
Audi specified ATF fluid (e.g., G 052 162 A2 for Tiptronic transmissions). Do not substitute.
Brake Fluid Specification:
DOT 4 or DOT 4 Plus brake fluid.
Common Problems:
Coil pack failure (especially 1.8T), mass airflow sensor (MAF) issues, window regulator failures, suspension component wear (control arm bushings, ball joints), ignition switch failures, PCV system clogging, coolant flange leaks, ABS sensor failures, quattro system seal leaks.
