🏷️ Basic Information Identification Make: Audi Model: A4 (B5 generation) Year: 1999 Codes Chassis Code: B5 👋 Introduction Market Position Market Position: The Audi B5 generation (1996-2001) represented Audi's push into the premium compact executive segment, directly competing with BMW's 3 Series and Mercedes-Benz C-Class, offering sophisticated styling, advanced Quattro AWD, and a refined interior. Competitive Analysis Competitive Analysis: The 1999 model year saw the B5 platform mature, offering a balance of performance and comfort. Competitors included the BMW E36 3 Series and the W202 Mercedes-Benz C-Class. Audi distinguished itself with its standard Quattro AWD on many models and its distinctive interior design. Key Features Key Features: The 1999 B5 A4 is known for its robust chassis, available Quattro all-wheel drive system, refined ride quality, and a range of capable four-cylinder and V6 engines. The interior design was a strong point, featuring high-quality materials and ergonomic layout. 📋 Manual Details Coverage Areas Coverage Areas: All mechanical and electrical systems, bodywork, and diagnostics for the 1999 Audi A4 (B5). Page Count Page Count: Likely several thousand pages (typical for comprehensive workshop manuals). Manual Type Manual Type: Workshop Service and Repair Manual Language Language: English Format Format: Downloadable Digital Format (e.g., PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine removal/installation, cylinder head service, piston and connecting rod service, crankshaft and main bearing service, timing belt replacement, lubrication system, cooling system. Engine Management And Emissions: Fuel injection systems (MPI, FSI for applicable engines), ignition system, exhaust system, evaporative emission control (EVAP), on-board diagnostics (OBD-II). Transmission Manual: Removal/installation, internal component service, clutch system, shift linkage. Transmission Automatic: Removal/installation, torque converter, valve body service, electronic control unit (ECU) diagnosis, fluid and filter replacement. Drivetrain: Front-wheel drive (FWD) and quattro all-wheel drive (AWD) systems, drive axles, CV joints, differential service. Suspension: Front suspension (MacPherson struts, control arms), rear suspension (multi-link beam or independent depending on drivetrain), wheel alignment specifications. Brakes: Hydraulic system, brake fluid specifications, front and rear brake component service (discs, pads, calipers), parking brake, Anti-lock Braking System (ABS) diagnosis and components. Steering: Power steering system, steering rack, tie rods, steering column. Electrical System Power Generation And Starting: Alternator, battery, starter motor, charging system diagnosis. Electrical System Lighting: Headlights, taillights, interior lighting, bulb replacement, wiring diagrams for lighting circuits. Electrical System Instruments And Gauges: Instrument cluster, gauge operation, warning lights, speedometer, tachometer. Electrical System Body Controls: Power windows, power door locks, remote keyless entry, central locking system, sunroof operation, wipers and washers. HVAC System: Air conditioning (A/C) system service and recharge, heating system, climate control unit operation, blower motor, cabin air filter replacement. Safety Systems: Airbag system (SRS) diagnosis and component replacement, seat belt pre-tensioners. Body And Chassis: Body panel repair and replacement, door mechanisms, hood, trunk lid, bumper repair, corrosion protection. Diagnostics: OBD-II diagnostic trouble codes (DTCs), scan tool usage, troubleshooting flowcharts, electrical schematic interpretation. Procedures Included Maintenance: Scheduled maintenance intervals, oil change procedures, filter replacements (oil, air, fuel, cabin), spark plug replacement, fluid level checks and top-offs. Troubleshooting: Systematic diagnostic procedures for common and uncommon faults, symptom-based troubleshooting guides. Repair: Detailed step-by-step instructions for component removal, disassembly, repair, reassembly, and installation across all vehicle systems. Adjustments: Adjustment procedures for parking brake, clutch, throttle cable (if applicable), door latches, etc. Specifications: Torque specifications for all fasteners, clearances, fluid capacities, pressures, electrical values. Technical Depth Technical Depth: Comprehensive, from basic fluid changes to major engine and transmission overhauls. Includes detailed wiring diagrams and diagnostic flowcharts suitable for professional technicians and advanced DIY enthusiasts. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) for wide compatibility and searchability. Print Quality Print Quality: High-resolution digital scans of original factory documentation, ensuring clarity of text and diagrams. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine 1.8T: 1.8L DOHC 20-valve turbocharged inline-4 (AEB, ATW engine codes). Power output typically around 150 hp (110 kW) and 155 lb-ft (210 Nm) of torque. Features include a turbocharger, intercooler, and multi-point fuel injection. Engine 2.8 V6: 2.8L DOHC 30-valve V6 (AFC, AAH, ACK engine codes). Power output typically around 170 hp (125 kW) and 199 lb-ft (270 Nm) of torque for the earlier 12v version, and 190 hp (140 kW) / 200 lb-ft (270 Nm) for the later 30v version. Features include dual overhead camshafts and multi-point fuel injection. Performance Engine 1.8T Performance: 0-60 mph in approximately 8.0-8.5 seconds (depending on drivetrain and transmission). Engine 2.8 V6 Performance: 0-60 mph in approximately 7.0-7.5 seconds (depending on drivetrain and transmission). Fuel System Fuel System Type: Electronic Multi-Point Fuel Injection (MPI) for all gasoline engines. Fuel Type: Unleaded gasoline (91 octane or higher recommended for turbocharged engines). 🔧 Transmission Standard Standard Transmission: 5-speed Manual Transmission (FWD or Quattro). Optional Optional Transmission: 5-speed Tiptronic Automatic Transmission (with manual shifting mode)...
The Audi B5 generation (1996-2001) represented Audi's push into the premium compact executive segment, directly competing with BMW's 3 Series and Mercedes-Benz C-Class, offering sophisticated styling, advanced Quattro AWD, and a refined interior.
Competitive Analysis
Competitive Analysis:
The 1999 model year saw the B5 platform mature, offering a balance of performance and comfort. Competitors included the BMW E36 3 Series and the W202 Mercedes-Benz C-Class. Audi distinguished itself with its standard Quattro AWD on many models and its distinctive interior design.
Key Features
Key Features:
The 1999 B5 A4 is known for its robust chassis, available Quattro all-wheel drive system, refined ride quality, and a range of capable four-cylinder and V6 engines. The interior design was a strong point, featuring high-quality materials and ergonomic layout.
📋 Manual Details
Coverage Areas
Coverage Areas:
All mechanical and electrical systems, bodywork, and diagnostics for the 1999 Audi A4 (B5).
Page Count
Page Count:
Likely several thousand pages (typical for comprehensive workshop manuals).
Manual Type
Manual Type:
Workshop Service and Repair Manual
Language
Language:
English
Format
Format:
Downloadable Digital Format (e.g., PDF)
📖 Manual Coverage
Systems Covered
Engine Mechanical:
Engine removal/installation, cylinder head service, piston and connecting rod service, crankshaft and main bearing service, timing belt replacement, lubrication system, cooling system.
Engine Management And Emissions:
Fuel injection systems (MPI, FSI for applicable engines), ignition system, exhaust system, evaporative emission control (EVAP), on-board diagnostics (OBD-II).
Removal/installation, torque converter, valve body service, electronic control unit (ECU) diagnosis, fluid and filter replacement.
Drivetrain:
Front-wheel drive (FWD) and quattro all-wheel drive (AWD) systems, drive axles, CV joints, differential service.
Suspension:
Front suspension (MacPherson struts, control arms), rear suspension (multi-link beam or independent depending on drivetrain), wheel alignment specifications.
Brakes:
Hydraulic system, brake fluid specifications, front and rear brake component service (discs, pads, calipers), parking brake, Anti-lock Braking System (ABS) diagnosis and components.
Steering:
Power steering system, steering rack, tie rods, steering column.
Electrical System Power Generation And Starting:
Alternator, battery, starter motor, charging system diagnosis.
Systematic diagnostic procedures for common and uncommon faults, symptom-based troubleshooting guides.
Repair:
Detailed step-by-step instructions for component removal, disassembly, repair, reassembly, and installation across all vehicle systems.
Adjustments:
Adjustment procedures for parking brake, clutch, throttle cable (if applicable), door latches, etc.
Specifications:
Torque specifications for all fasteners, clearances, fluid capacities, pressures, electrical values.
Technical Depth
Technical Depth:
Comprehensive, from basic fluid changes to major engine and transmission overhauls. Includes detailed wiring diagrams and diagnostic flowcharts suitable for professional technicians and advanced DIY enthusiasts.
📊 Manual Specifications
File Format
File Format:
PDF (Portable Document Format) for wide compatibility and searchability.
Print Quality
Print Quality:
High-resolution digital scans of original factory documentation, ensuring clarity of text and diagrams.
Binding Type
Binding Type:
N/A (Digital Download)
Paper Type
Paper Type:
N/A (Digital Download)
⚙️ Engine Specifications
Primary Engine
Engine 1.8T:
1.8L DOHC 20-valve turbocharged inline-4 (AEB, ATW engine codes). Power output typically around 150 hp (110 kW) and 155 lb-ft (210 Nm) of torque. Features include a turbocharger, intercooler, and multi-point fuel injection.
Engine 2.8 V6:
2.8L DOHC 30-valve V6 (AFC, AAH, ACK engine codes). Power output typically around 170 hp (125 kW) and 199 lb-ft (270 Nm) of torque for the earlier 12v version, and 190 hp (140 kW) / 200 lb-ft (270 Nm) for the later 30v version. Features include dual overhead camshafts and multi-point fuel injection.
Performance
Engine 1.8T Performance:
0-60 mph in approximately 8.0-8.5 seconds (depending on drivetrain and transmission).
Engine 2.8 V6 Performance:
0-60 mph in approximately 7.0-7.5 seconds (depending on drivetrain and transmission).
Fuel System
Fuel System Type:
Electronic Multi-Point Fuel Injection (MPI) for all gasoline engines.
Fuel Type:
Unleaded gasoline (91 octane or higher recommended for turbocharged engines).
Available on most models, utilizing a Torsen center differential for continuous power distribution between front and rear axles, enhancing traction and stability.
📐 Dimensions
Exterior
Wheelbase:
Approx. 103.1 inches (2619 mm)
Overall Length:
Approx. 177.7 inches (4513 mm)
Overall Width:
Approx. 68.3 inches (1735 mm)
Overall Height:
Approx. 55.2 inches (1402 mm)
Interior
Front Headroom:
Approx. 38.7 inches (983 mm)
Rear Headroom:
Approx. 37.0 inches (940 mm)
Cargo
Trunk Volume:
Approx. 15.1 cubic feet (427 liters)
Weights
Curb Weight FWD:
Approx. 3100 - 3300 lbs (1406 - 1497 kg)
Curb Weight Quattro:
Approx. 3300 - 3500 lbs (1497 - 1588 kg)
🛡️ Safety Features
Ratings
NHTSA Front Impact:
Generally good ratings for its time, though specific year and model crash test data may vary. The B5 chassis was designed with a focus on occupant protection.
IIHS Side Impact:
Refer to IIHS archives for specific ratings for the 1999 model year.
Active Features
Active Safety:
Anti-lock Braking System (ABS), Traction Control (ASR, standard on some models, optional on others), optional Electronic Stability Program (ESP) for some later B5 variants and possibly late '99 models.
Passive Features
Passive Safety:
Dual front airbags, optional side airbags, three-point seat belts with pretensioners, crumple zones, reinforced safety cage.
💡 Technology Features
Infotainment
Infotainment System:
Base models typically featured a standard Audi radio with cassette and CD player. Higher trims or optional upgrades included premium sound systems (e.g., Bose) and more advanced head units with CD changers.
Driver Assistance
Driver Assistance Features:
Limited by modern standards. Primary assistance features were ABS and Traction Control. Optional ESP (Electronic Stability Program) became available on later models, offering enhanced stability control.
Connectivity
Connectivity Options:
No integrated Bluetooth or smartphone connectivity from the factory. Auxiliary input for external devices might have been available as an option on some audio systems.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically every 7,500 to 10,000 miles (12,000 to 16,000 km) or 12 months, whichever comes first, depending on driving conditions and oil used.
Timing Belt Replacement:
Crucial for 1.8T and 2.8 V6 engines. Interval typically around 70,000 to 90,000 miles (110,000 to 145,000 km) or 7 years. Failure can cause catastrophic engine damage.
Spark Plug Replacement:
Platinum tipped plugs typically last 60,000 to 100,000 miles. Consult manual for specific plug type and interval.
Fluid Specifications
Engine Oil:
API Service SJ or SL. Viscosity: 5W-40 or 5W-30 synthetic is recommended, especially for turbocharged engines. Consult owner's manual for exact specification based on temperature range. (Approx. 4.0-4.5 quarts for 1.8T, 5.5 quarts for 2.8 V6).
Coolant:
G12 (pink) or G12 Plus (purple) ethylene glycol coolant. Pre-mixed 50/50 solution recommended. Capacity approx. 7-8 liters.
Brake Fluid:
DOT 4 brake fluid.
Transmission Fluid Manual:
GL-4 gear oil. Specific weight depends on manufacturer recommendation, often 75W-90. Manual specifies capacity for each gearbox.
Transmission Fluid Automatic:
G 052 162 A1 (or equivalent). Audi recommends specific ATF; use of aftermarket fluids must be carefully verified. Capacities vary for torque converter, cooler, and transmission case.
Known Issues
Common Issue Ignition Coils:
Coil-on-plug ignition coils (especially on 1.8T) are known to fail, causing misfires and rough running.
Common Issue ABS Sensors And Module:
ABS wheel speed sensors and ABS control modules can fail, leading to ABS and/or traction control warning lights.
Common Issue Window Regulators:
Plastic components in window regulator mechanisms are prone to breaking, causing windows to fall into the door.
Common Issue Oil Leaks:
Valve cover gaskets, oil pan gaskets, and front crank seals can leak over time.
Common Issue Suspension Components:
Control arm bushings, ball joints, and sway bar links can wear, leading to knocking noises and poor handling.
Common Issue Cv Boots:
Front CV axle boots can split, leading to grease loss and eventual CV joint failure.
Common Issue Climate Control Unit:
Display segments on the climate control unit can fail, making temperature and fan speed adjustments difficult to read.
📚 Vehicle History
Brand Heritage
Brand Heritage:
Audi, a German manufacturer founded in 1910, is known for its engineering prowess, particularly in quattro all-wheel drive technology and innovative automotive design. The brand emphasizes 'Vorsprung durch Technik' (Advancement through Technology).
Model Evolution
B5 Generation Introduction:
The B5 generation Audi A4 was introduced for the 1996 model year as a replacement for the Audi 80/90. It marked a significant shift in design and platform for Audi's compact executive sedan and wagon.
B5 Facelift:
The B5 underwent a significant facelift for the 1998 model year (often referred to as the 'facelift' or 'late' B5), which included updated exterior styling (headlights, taillights, grille, bumpers) and interior refinements. The 1999 model year falls into this updated design.
Production
Production Location:
Primary manufacturing for the B5 generation occurred in Ingolstadt, Germany, and Brussels, Belgium.
Production Years:
B5 generation: 1995-2001 (model years 1996-2001 in North America).
🏆 Awards & Recognition
Recognitions
Car And Driver 10 Best:
The Audi A4 (B5) was named to Car and Driver's 10Best list in 1997, praising its sharp handling, refined ride, and potent turbocharged engine.
Model Reputation:
The B5 A4 is generally regarded as a well-engineered vehicle that set a benchmark for handling and interior quality in its class at the time of its release, although some specific components required diligent maintenance.
Certifications
Certifications:
While specific certifications vary by market and testing body, the B5 was built to meet global automotive safety and emissions standards relevant to the late 1990s.
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