🏷️ Basic Information Identification Make: Audi Model: A4 Year: 1999 Chassis Code: B5 Codes Body Style: Sedan / Avant (Wagon) 👋 Introduction Market Position Target Audience: DIY enthusiasts, independent repair shops, Audi owners seeking detailed repair information Competitive Analysis Manual Value: Provides official dealer-level information at a fraction of the cost, comprehensive coverage unmatched by generic guides Key Features Ease Of Use: Designed for user-friendliness with step-by-step instructions and clear diagrams Completeness: Covers every aspect of the vehicle from routine maintenance to complex repairs Brand Promise Customer Satisfaction: Aims to fulfill all repair and maintenance requests by providing accurate and comprehensive information 📋 Manual Details Coverage Areas Primary Coverage: Complete Service and Repair Secondary Coverage: Maintenance, Troubleshooting, Diagnostics Page Count Estimated Page Count: High (Factory standard, typically 1000+ pages for complete coverage) Manual Type Manual Type: Factory Service Manual (FSM) Language Language: English (assumed based on common market availability) Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed overhaul, internal components, timing, seals, gaskets Fuel Injection Ignition: ECU control, sensors, fuel injectors, ignition coils, spark plugs, diagnostic procedures Fuel System: Fuel pump, fuel filter, fuel lines, fuel pressure regulation, evaporative emissions control (EVAP) Heating Air Conditioning: Refrigerant system, blower motor, HVAC controls, diagnostic trouble codes (DTCs) for climate control Maintenance: Scheduled maintenance intervals, fluid checks and changes, filter replacements, belt inspections Suspension Wheel Brakes: Front and rear suspension components, steering system, wheel bearings, brake system hydraulics, ABS diagnostics, rotor and pad replacement Transmission: Manual and Automatic transmission overhaul, fluid changes, clutch service, torque converter, gear selection mechanisms Electrical Equipment: Wiring diagrams, fuse locations, relay functions, lighting systems, power windows, central locking, instrument cluster, ECU pinouts Body: Body panel removal and installation, door mechanisms, glass replacement, interior trim, seals, body repair specifications Procedures Included Engine Repair: Engine rebuild, head gasket replacement, piston and connecting rod installation, crankshaft and camshaft service Transmission Repair: Automatic transmission clutch pack replacement, valve body service, manual transmission synchro ring replacement Brake System Repair: Brake caliper overhaul, brake line replacement, ABS modulator diagnostics and replacement Electrical Diagnostics: Troubleshooting of electrical faults using wiring diagrams, component testing, common electrical issues specific to the B5 platform Maintenance Procedures: Step-by-step guides for oil changes, spark plug replacement, air filter replacement, coolant flushes Troubleshooting Guides: Diagnostic flowcharts for common drivability issues, starting problems, and performance concerns Technical Depth Diagnostics: Advanced diagnostics, including OBD-II codes, sensor data interpretation, and oscilloscope usage for troubleshooting Rebuild Procedures: Complete engine and transmission rebuild procedures with detailed diagrams and specifications Torque Specifications: Comprehensive list of all critical torque settings for engine, chassis, and drivetrain components Fluid Capacities: Precise fluid capacities for engine oil, coolant, transmission fluid, brake fluid, power steering fluid Diagrams Illustrations: Step-by-step diagrams, exploded views, and electrical schematics for clarity 📊 Manual Specifications File Format Digital Format: PDF Print Quality Readability: High resolution, zoomable for detailed viewing of diagrams and text Binding Type Digital Binding: N/A (Digital Document) Paper Type Digital Paper Type: N/A (Digital Document) Compatibility Operating Systems: Compatible with all versions of Windows and Mac OS Software Requirements Reader Software: Adobe PDF Reader (required) Extraction Software: WinZip or compatible archive utility (required) Features Searchability: PDF format typically allows for keyword searching, significantly enhancing usability. Printable: PDF is generally printable, allowing users to create physical copies of specific sections. ⚙️ Engine Specifications Primary Engine Engine Options Covered: Likely includes 1.8L Turbo (AEB, APU, AWJ, ARK), 2.8L V6 (ACK, AHA, ATQ). Specific engine codes detailed within manual. Performance Horsepower Torque Range: Varies by engine; 1.8T typically 150-170 HP, 2.8 V6 typically 190-200 HP. Precise figures are model year/engine specific and found in the manual. Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) for naturally aspirated engines, Electronic Fuel Injection (EFI) / Direct Fuel Injection (DFI) for turbocharged variants Engine Management Engine Control Unit: Bosch Motronic or similar ECU, with extensive diagnostic capabilities Timing System Timing Belt Chain: 1.8T and 2.8 V6 engines utilize timing belts. Manual provides replacement intervals and procedures. 🔧 Transmission Standard Manual Transmission: 5-speed manual transmission (e.g., 01A) Optional Automatic Transmission: 5-speed Tiptronic automatic transmission (e.g., 5HP19FLA) Features Drivetrain: Front-wheel drive (FWD) standard, quattro all-wheel drive (AWD) optional on most models Fluid Specifications Automatic Transmission Fluid: G 052 162 A1/A2 (Pentosin ATF1) or equivalent specified by Audi Manual Transmission Fluid: G 052 171 A2 (Gear oil, SAE 75W-90) or equivalent specified by Audi 📐 Dimensions Exterior Wheelbase: Approx. 2613 mm (102.9 in) Length: Sedan: Approx. 4515 mm (177.8 in); Avant: Approx. 4575 mm (180.1 in) Width: Approx. 1765 mm (69.5 in) Height: Sedan: Approx. 1415 mm (55.7 in); Avant: Approx. 1440 mm (56.7 in) Weights Curb Weight: Varies by engine and drivetrain, typically 1400-1600 kg (3086-3527 lbs) Wheel Bolt Pattern: 5x112 mm Center Bore: 57.1 mm 🛡️ Safety Features Ratings NHTSA Crash Test Ratings: Refer to specific year...
Typically every 10,000 miles (16,000 km) or 1 year, whichever comes first. Refer to manual for specific conditions.
Timing Belt Replacement:
Recommended every 60,000 - 90,000 miles (96,000 - 145,000 km) or 5-7 years for 1.8T and 2.8L V6 engines. Manual will specify precise interval.
Spark Plug Replacement:
Varies by spark plug type (standard vs. long-life), typically 30,000 - 60,000 miles.
Fluid Specifications
Engine Oil Specification:
Typically 5W-40 or 5W-30 synthetic oil meeting VW 502.00/505.00 specifications. Manual will provide exact specifications.
Coolant Specification:
G12 or G12+ coolant (pink/red) or equivalent, mixed with distilled water. Manual will specify correct type and ratio.
Brake Fluid Specification:
DOT 4 or DOT 5.1
Known Issues
Common B5 A4 Issues:
Worn front control arm bushings, failing mass air flow (MAF) sensor, ignition coil failures (especially early coil-on-plug), coolant flange leaks, window regulator failures, timing belt tensioner issues (on some early engines).
Common B5 A4 Issues
Audi Specific Maintenance:
Regular maintenance of the PCV system and vacuum lines is critical for reliable performance of the 1.8T engine.
📚 Vehicle History
Brand Heritage
Audi Legacy:
Audi AG, a German luxury automobile manufacturer with a long history of engineering excellence and innovation.
Model Evolution
B5 Generation Introduction:
The B5 generation Audi A4 was introduced in late 1994 for the 1995 model year, succeeding the Audi 80/90. The 1999 model represents a refinement of this platform.
Production
Manufacturing Locations:
Primarily produced in Germany (Ingolstadt and Neckarsulm) and also in China and Brazil for specific markets.
🏆 Awards & Recognition
Recognitions
Model Reputation:
The Audi A4 B5 was generally well-regarded for its sophisticated chassis, quattro all-wheel-drive system, and upscale interior for its class.
Ratings
Consumer Reports Evaluation:
Consumer Reports and other automotive publications of the era provided reviews and reliability ratings. The manual's diagnostic procedures can help address common concerns.