Segment:
Compact Executive Sedan/Wagon
Target Audience:
Owners seeking to perform their own maintenance and repairs, independent repair shops, automotive enthusiasts.
Key Competitors:
BMW 3 Series (E46), Mercedes-Benz C-Class (W202/W203), Volvo S40/V40, Saab 9-3.
Design Philosophy:
Sporty handling, refined interior, Quattro all-wheel drive option, premium build quality.
Manual Value Proposition:
Enables owners to maintain and repair their vehicle to factory standards, saving on labor costs and ensuring longevity.
Systems Covered:
Engine, Drivetrain, Suspension, Steering, Brakes, Electrical System, HVAC, Bodywork, Chassis, Lubrication, Fuel System, Cooling System, Exhaust System, Emissions Control, Diagnostics, Troubleshooting, Maintenance Procedures, Repair Procedures, Rebuild Procedures, Refurbishment Procedures, Restoration Procedures, Wiring Diagrams, Component Locations, Torque Specifications, Fluid Specifications, Alignment Specifications
Number Of Pages:
Hundreds (specific number not provided in product info, but implied to be comprehensive)
Type:
Service and Repair Manual
Language:
English (Assumed based on common manual availability, not explicitly stated)
Engine Mechanical:
Complete overhaul and repair of all gasoline and diesel engines offered in the B5 A4 generation, including timing belt/chain service, piston and ring replacement, valve train adjustments, cylinder head service, crankshaft and connecting rod procedures.
Engine Management:
Detailed information on fuel injection systems (MPI, FSI where applicable), ignition systems, electronic control units (ECU), sensor testing and replacement, emission control systems (EGR, catalytic converter, oxygen sensors), and diagnostic trouble codes (DTCs).
Transmission Manual:
Repair, overhaul, and maintenance of manual transmissions, including clutch replacement, gear synchromesh repair, bearing replacement, and shift linkage adjustments.
Transmission Automatic:
Service and repair procedures for automatic transmissions, including fluid changes, torque converter service, valve body diagnosis, and transmission control module (TCM) information.
Drivetrain And Axles:
Front-wheel drive (FWD) and quattro all-wheel drive (AWD) system service, including CV joints, driveshafts, differentials (front, center, rear), and axle seal replacement.
Suspension And Steering:
Detailed procedures for front and rear suspension component replacement (struts, shock absorbers, control arms, bushings), wheel bearing service, steering rack repair, power steering system maintenance, and alignment specifications.
Brake System:
Service and repair of hydraulic brake systems, including brake pad and rotor replacement, caliper service, brake fluid bleeding, ABS system diagnosis and repair, and parking brake mechanisms.
Electrical System:
Comprehensive wiring diagrams for all vehicle systems, fuse box layouts, relay locations, component testing, alternator and battery service, starter motor repair, lighting system troubleshooting, and power window/lock system diagnostics.
HVAC System:
Refrigerant system service, compressor repair, blower motor replacement, heater core service, cabin air filter replacement, and climate control system diagnostics.
Body And Chassis:
Body panel repair and replacement, door and latch mechanisms, glass replacement, interior trim removal and installation, underbody protection, and chassis component torque specifications.
Scheduled Maintenance:
Detailed maintenance schedules including oil changes, filter replacements (oil, air, fuel, cabin), spark plug replacement, coolant flushes, brake fluid flushes, and timing belt/chain replacement intervals.
Troubleshooting:
Step-by-step troubleshooting guides for common and complex issues across all vehicle systems, utilizing diagnostic charts and symptom-based diagnosis.
Repair And Rebuild:
Comprehensive instructions for component removal, installation, disassembly, assembly, and rebuilding for major vehicle systems.
Diagnostic Procedures:
Guidance on using diagnostic scan tools, interpreting sensor data, performing actuator tests, and diagnosing fault codes (DTCs).
Torque Specifications:
Extensive listing of torque values for critical fasteners throughout the vehicle, ensuring proper assembly and preventing component damage.
Fluid Specifications:
Precise recommendations for all fluids, including engine oil type and viscosity, transmission fluid, coolant type and mixture ratio, brake fluid specification, and power steering fluid.
Depth:
Expert level, covering everything from basic fluid checks and filter replacements to complete engine and transmission rebuilds, advanced electrical diagnostics, and bodywork restoration.
Engine Codes And Variants:
1.6L (AHL, ANA, ALZ), 1.8L (ADR, APT, APU, ARG, AVV), 1.8T (AEB, APU, AJL, AMB, AWM), 2.4L V6 (APR, AQD, AGA, ALF, AML, APS, ARJ), 2.7T V6 Biturbo (AJK, APU, ARE, ASJ, AZB), 2.8L V6 (ACK, AHA, APB, ATX), 1.9 TDI (AHU, AHH, AFN, AVG, AJM, ATJ, BHW), 2.5 TDI (BDG, BFC, BCX, BDH).
Horsepower Range:
74 kW (101 PS; 99 hp) to 184 kW (247 hp; 243 hp) for the 2.7T RS4 variant.
Torque Range:
133 Nm (98 lb-ft) to 400 Nm (295 lb-ft) for the RS4.
Injection Type:
Multi-Point Fuel Injection (MPI) for most gasoline engines, Direct Fuel Injection (DFI) on some later models. Turbocharged Direct Injection (TDI) for diesel variants.
Fuel Type:
Unleaded Gasoline (RON 91-98), Diesel Fuel.
Recommended Oil Viscosity:
SAE 5W-40, 0W-30, 5W-30 (specific to engine variant and climate, e.g., VW 502.00, 505.00, 504.00/507.00).
Coolant Type:
G12 (or G12 Plus/G13 compatible) ethylene glycol based coolant, mixed 50/50 with distilled water.
Manual Transmission:
5-speed and 6-speed manual transmissions available depending on engine and drivetrain.
Automatic Transmission:
Tiptronic 5-speed automatic transmission.
Quattro AWD:
Permanent all-wheel drive system with Torsen center differential on many variants.
Automatic Transmission Fluid:
G 052 162 A2 (or equivalent, e.g., ATF Dexron III/Mercon equivalent, consult manual for exact specification).
Manual Transmission Fluid:
G 052 726 (for 6-speed, e.g., SAE 75W-80 GL-4) or G 052 171 (for 5-speed, e.g., SAE 75W-90 GL-4/GL-5, consult manual).
Differential Fluid:
G 052 145 A1 (or equivalent, e.g., SAE 75W-90 GL-5 for rear differentials on Quattro).
Oil Change Interval:
Typically 7,500-10,000 miles (12,000-15,000 km) or 12 months, whichever comes first, depending on oil specification and driving conditions (consult manual for specific engine).
Timing Belt Replacement:
For 1.8T and V6 engines, typically every 60,000-90,000 miles (96,000-144,000 km) or 5-7 years. TDI engines use timing chains or belts with longer intervals. Consult manual for exact recommendation.
Spark Plug Replacement:
Typically 30,000-60,000 miles (48,000-96,000 km) for standard spark plugs, longer for platinum/iridium. Consult manual for engine-specific recommendation.
Engine Oil Capacity:
Varies by engine, e.g., 1.8T approximately 4.3 liters (4.5 US quarts), 2.8 V6 approximately 5.5 liters (5.8 US quarts). Consult manual for precise capacity.
Coolant Capacity:
Approximately 7.5 liters (7.9 US quarts). Consult manual.
Common Problems Engine:
Oil leaks from valve cover and oil pan gaskets, PCV system issues, coil pack failures (1.8T), camshaft adjuster leaks (V6), coolant flange leaks.
Common Problems Suspension:
Control arm bushings wear, tie rod end wear, wheel bearing failure, CV joint boot tears.
Common Problems Electrical:
Climate control unit failures, ABS sensor failures, door lock actuator failures, window regulator failures, dashboard warning light issues.
Common Problems Transmission:
Automatic transmission shifting issues (especially on early models), clutch wear (manual).
Heritage:
Audi, a German automotive manufacturer with a history dating back to the early 20th century, known for its engineering prowess, technological innovation, and premium segment offerings.
B5 Introduction:
The B5 generation Audi A4 was introduced in 1994 (for the 1995 model year) as a replacement for the Audi 80/90. It marked a significant step forward in design and technology for Audi.
B5 Facelift:
A significant facelift occurred for the 1999 model year (often referred to as 'facelift B5'), featuring updated exterior styling (grille, headlights, taillights, bumpers), interior refinements, and revised engine options.
Production Years:
1994-2001 (Globally, with regional variations).
Manufacturing Locations:
Germany (Ingolstadt, Neckarsulm), Mexico, Brazil, China, and other locations.
