Segment:
Premium Compact Executive Sedan/Wagon
Target Audience:
Professionals, families seeking premium features and performance
Key Competitors:
BMW 3 Series Touring, Mercedes-Benz C-Class Estate, Volvo V40/V70
Design Philosophy:
Understated elegance, quattro all-wheel drive emphasis, driver-centric interior
Availability:
Available in both sedan and Avant (wagon) body styles
Avant Utility:
Practicality of the wagon body style with versatile cargo space
Engine Systems:
Engine mechanical, lubrication, cooling, fuel delivery, ignition, emissions control, engine management (ECU), timing belt/chain service
Drivetrain Systems:
Manual transmission, automatic transmission (Tiptronic), clutch, front-wheel drive, quattro all-wheel drive, axles, driveshafts, differential
Suspension Steering:
Front suspension (MacPherson struts, control arms), rear suspension (multi-link), steering system (power steering, steering column), wheel alignment
Braking Systems:
Hydraulic brake system, ABS (Anti-lock Braking System), brake discs, pads, calipers, lines, master cylinder
Electrical Systems:
12V battery, alternator, starter motor, lighting system (headlights, taillights, interior), fuses, relays, wiring diagrams, power windows, central locking, anti-theft system
HVAC Systems:
Heating, ventilation, and air conditioning (HVAC) system, climate control, refrigerant handling
Body And Chassis:
Body construction, exterior panels, interior trim, bumpers, doors, hood, tailgate, chassis components, corrosion protection
Maintenance:
Scheduled maintenance, fluid changes (oil, coolant, brake fluid, transmission fluid), filter replacements, spark plugs, belts
Troubleshooting:
Diagnostic procedures for common issues, symptom-based troubleshooting guides, fault code interpretation (where applicable)
Repair Rebuild:
Detailed step-by-step instructions for component removal, disassembly, repair, reassembly, and installation
Adjustments:
Precise procedures for all necessary adjustments, including valve clearance, clutch, brakes, and lighting
Diagnostics:
System diagnostics, electrical system testing, component testing, troubleshooting charts
Safety Precautions:
Detailed safety notes, precautions, DANGER, CAUTION, and NOTE advisories throughout the manual
Technical Data:
Service data, specifications, tightening torques, allowable limits, wear limits
Depth:
Comprehensive, from basic maintenance to major overhauls and component rebuilds
Detail Level:
Step-by-step procedures, detailed illustrations, exploded diagrams, torque specifications, wear limits
Special Tools:
Identification and usage of specific Audi special service tools required for repairs
Engine Variants Common:
1.6L (AHL, ANA), 1.8L (ADR, APT, AVV, ARK, APU), 1.8T (AEB, APU, ANB, AWT, ARK), 2.4L V6 (APG, BDV), 2.8L V6 (ACK, AHA, APG, ATX), 1.9 TDI (AHH, AHU, AFN, AVG, AHF, ASV)
Horsepower Range:
Approx. 100 hp (1.6L) to 265 hp (2.7T RS4)
Torque Range:
Approx. 140 Nm (1.6L) to 400 Nm (2.7T RS4)
Injection Type:
Multi-point fuel injection (MPI), Electronic Fuel Injection (EFI), Direct Injection (DI) for some TDI engines
Fuel Type:
Unleaded Gasoline (91, 95, 98 RON), Diesel (for TDI variants)
Engine Codes Note:
Specific engine codes are crucial for identifying exact specifications and parts. Manual covers various codes within the B5 generation.
Oil Change Interval:
Typically 10,000-15,000 km or 12 months (varies by model year and engine, consult manual)
Timing Belt Interval:
Recommended replacement every 90,000 - 120,000 km or 5-7 years (for applicable engines, consult manual)
Engine Oil Spec:
API SL/SM or ACEA A3/B3/B4, Viscosity SAE 5W-40 or 5W-30 (consult manual for specific engine requirements)
Coolant Spec:
G12 or G12+ Ethylene Glycol based coolant (pink or purple color)
Common Wear Items:
Control arm bushings, wheel bearings, ignition coils (especially on 1.8T), ABS sensors, CV joints, radiator fans, mass air flow sensor (MAF)
Engine Specific Issues:
Oil leaks from valve cover gaskets and oil pan seals; timing belt tensioner issues on some early models; turbocharger issues on 1.8T engines if not maintained properly
Transmission Specific Issues:
Manual clutch wear; automatic transmission solenoid issues or fluid degradation on high-mileage vehicles
Electrical Issues:
Window regulator failures, central locking issues, climate control unit malfunctions
