🏷️ Basic Information Identification Make: Volkswagen Model: Golf Year: 1999 Codes Platform Code: Mk4 (A4) 👋 Introduction Market Position Target Audience: DIY mechanics, professional technicians, Volkswagen owners seeking in-depth repair knowledge. Competitive Analysis Advantage: Official licensing ensures accuracy and completeness, superior to unofficial or condensed guides. Key Features Features: Searchable database, interactive diagrams, diagnostic flowcharts, direct access to technical information. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Diagnostics, Maintenance Page Count Estimated Pages: Over 1000 (typical for comprehensive software) Manual Type Type: Official Service and Repair Manual Software Language Language: English Format Format: Software (likely CD-ROM or downloadable digital format) 📖 Manual Coverage Systems Covered Powertrain: Engine, Fuel System, Ignition System, Exhaust System, Transmission (Manual & Automatic), Clutch Chassis: Suspension (Front & Rear), Steering System, Brakes (Hydraulic & ABS), Wheels & Tires Body & Electrical: Body Panels, Doors, Windows, Seats, HVAC, Lighting, Instrumentation, Audio System, Powertrain Control Module (PCM), Body Control Module (BCM), Airbag System Instrumentation: Dashboard instruments, warning lights, tachometer, speedometer, fuel gauge, temperature gauge. Procedures Included Maintenance: Routine servicing, oil changes, filter replacements, spark plug replacement, fluid checks and changes Diagnostics: Troubleshooting guides, fault code interpretation, diagnostic procedures for all major systems Repair: Step-by-step repair instructions for all major components, including engine rebuilds, transmission overhaul, suspension and brake component replacement, electrical system repairs Specifications: Torque specifications, clearances, fluid capacities, electrical diagrams, wiring schematics Bodywork: Panel alignment, rust repair techniques, bumper replacement, door and latch adjustments. Climate Control: HVAC system diagnostics, refrigerant charging, blower motor replacement, heater core replacement. Diagnosis Procedures: Step-by-step diagnostic flowcharts for common drivability issues, electrical faults, and system failures. Technical Depth Depth: Comprehensive: Covers basic maintenance to complete engine and transmission rebuilds, detailed electrical diagnostics, and body repair. Wiring Diagrams: Detailed electrical wiring diagrams for all systems, including component locations and wire colors. 📊 Manual Specifications File Format Software Requirements: Requires a compatible PC operating system (e.g., Windows 95/98/NT/2000). Print Quality Print Capability: Printable pages for specific sections or the entire manual. Binding Type Binding: Not Applicable (Software) Paper Type Paper Quality: Not Applicable (Software) Search Functionality Text Search: Full text search capability for quick information retrieval. ⚙️ Engine Specifications Primary Engine Engine Options: 1.8L 20V Turbo (AGU, AUM), 1.9L TDI (AHF, ALH, ASV), 2.0L 8V (APK, AQY, AZJ), 2.3L VR5 (AGZ, AQN) Performance 1.8T (Agu/Aum): 150 PS (148 hp) @ 5700 rpm, 210 Nm (155 lb-ft) @ 1750-4600 rpm 1.9 Tdi (Alh/Ahf/Asv): 90 PS (89 hp) @ 3750 rpm, 210 Nm (155 lb-ft) @ 1900 rpm (ALH); 110 PS (109 hp) @ 4000 rpm, 235 Nm (173 lb-ft) @ 1900 rpm (AHF/ASV) 2.0L (Apk/Aqy/Azj): 115 PS (113 hp) @ 5200-5600 rpm, 170-172 Nm (125-127 lb-ft) @ 2400-3200 rpm 2.3L Vr5 (Agz/Aqn): 150 PS (148 hp) @ 6000 rpm, 205 Nm (151 lb-ft) @ 3200 rpm Fuel System Injection Type: Multi-point Fuel Injection (MPI) for gasoline, Direct Injection (DI) for TDI Engine Codes Common Gasoline Codes: AGU, AUM, APK, AQY, AZJ Common Diesel Codes: AHF, ALH, ASV 🔧 Transmission Standard Manual Options: 5-speed manual (02J), 6-speed manual (for some 1.8T models) Optional Automatic Options: 4-speed automatic (01M), 5-speed Tiptronic automatic (01V for VR5) Features Clutch Type: Hydraulically operated diaphragm spring clutch Fluid Specifications Manual Transmission Fluid: G 005 000 (GL-4/GL-5 rated, 75W-90 synthetic) Automatic Transmission Fluid: G 052 162 A2 (ATF Specification LT 71141) 📐 Dimensions Exterior Length: 4149 mm (163.3 in) Width: 1759 mm (69.2 in) Height: 1454 mm (57.2 in) Weights Curb Weight: Approx. 1250-1350 kg (2756-2976 lbs) depending on engine and trim Interior Passenger Volume: Approx. 2480 liters (87.6 cu ft) Cargo Trunk Volume: Approx. 330 liters (11.7 cu ft) 🛡️ Safety Features Ratings NHTSA Front Impact: 4 stars (driver), 4 stars (passenger) for comparable models of the era. Active Features ABS: Standard on most models, optional on base trims. Traction Control: ASR (Anti-Slip Regulation) available on some models. Passive Features Airbags: Dual front airbags standard. Seatbelts: Pretensioner front seatbelts. 💡 Technology Features Infotainment Audio Systems: Various factory radio/cassette and CD players available. Options for premium sound systems. Navigation: Factory navigation systems were rare and typically aftermarket for this model year. Driver Assistance Cruise Control: Available on higher trim levels. Connectivity Remote Keyless Entry: Available on many models. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000 miles (15,000 km) or 1 year, whichever comes first (depending on oil specification and driving conditions). Consult manual for specific details. Timing Belt Replacement: Recommended every 60,000-90,000 miles (96,000-145,000 km) or 5-7 years for gasoline engines (e.g., 1.8T, 2.0L), varies for TDI with timing chain on some components. Fluid Specifications Engine Oil Gasoline: SAE 5W-40, 5W-30, or 10W-40 Synthetic (VW 502 00 / 505 00 approved) Engine Oil Tdi: SAE 5W-40 Synthetic (VW 505 00 / 505 01 approved) Coolant: G 12 (Pink) or G 12+ Antifreeze/Coolant Concentrate, mixed 50/50 with distilled...