🏷️ Basic Information Identification Make: Audi Model: A4 Year: 2006 Codes Chassis Code: B7 👋 Introduction Market Position Positioning: The Audi A4 (B7) positioned as a premium compact executive sedan/wagon, competing with models like the BMW 3 Series and Mercedes-Benz C-Class. Competitive Analysis Competitors: BMW 3 Series (E90), Mercedes-Benz C-Class (W203 facelift/W204), Lexus IS, Infiniti G35/G37. Key Features Platform Features: The B7 platform offered significant refinements over its predecessor, including improved styling, interior quality, and enhanced chassis dynamics, particularly with the availability of Quattro all-wheel drive. 📋 Manual Details Coverage Areas Coverage: Comprehensive service, repair, and maintenance for the 2006 Audi A4 (B7 platform). Page Count Pages: Estimated 2000+ pages (typical for a full workshop manual). Manual Type Type: Workshop Service and Repair Manual Language Language: English Format Format: PDF (Portable Document Format) 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical, cooling system, lubrication system, fuel system (injection, control), ignition system, emissions control systems (EVAP, EGR, secondary air injection). Transmission Systems: Manual transmission (GGB series), Automatic transmission (Multitronic CVT, Tiptronic with DSP), Clutch system, Driveshafts, Differentials (front and rear, including Quattro AWD system). Chassis Systems: Suspension (front and rear McPherson struts, multi-link rear), Steering system (hydraulic power steering, electric power steering options), Braking system (ABS, EBD, ESP, brake pad/rotor replacement, hydraulic lines, caliper overhaul). Electrical Systems: Battery, charging system (alternator), starting system (starter motor), lighting system (headlights, taillights, interior), wiring diagrams, fuses, relays, ECUs (Engine Control Unit, Transmission Control Unit, ABS/ESP module), body control module. Body And Interior: Body panels, doors, hood, trunk lid, interior trim, seating, HVAC system (climate control), airbags, seatbelts, body sealing. Procedures Included Maintenance Procedures: Scheduled maintenance (oil changes, filter replacements, spark plugs, belts), fluid level checks and top-ups, brake inspections, tire rotations, battery maintenance. Diagnostic Procedures: Troubleshooting guides based on symptoms, diagnostic trouble codes (DTCs) interpretation and resolution, component testing procedures, wiring schematic analysis. Repair Procedures: Component removal and installation (engine, transmission, suspension parts, brake components, starter, alternator), engine timing belt/chain replacement, clutch replacement, suspension and steering alignment procedures. Technical Specifications: Torque specifications for all fasteners, engine timing specifications, valve clearances (if applicable), fluid capacities and types, diagnostic parameter values. Technical Depth Depth: Comprehensive, covering everything from basic scheduled maintenance to complete engine and transmission overhauls, including detailed electrical system diagnostics and component-level repair. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: High-resolution, optimized for digital viewing and printing. Clear diagrams and legible text. Binding Type Binding Type: N/A (Digital PDF download) Paper Type Paper Type: N/A (Digital PDF download) ⚙️ Engine Specifications Primary Engine Engine Options: Common engines for the 2006 A4 include the 2.0 TFSI (turbocharged direct injection) and 3.2 FSI (naturally aspirated direct injection) V6. Earlier models may also feature 1.8T (turbocharged) and 3.0 naturally aspirated V6 variants. 2.0 Tfsi Engine: Engine Code: BGB, BWE, BUL. Displacement: 1984 cc. Bore x Stroke: 82.5 mm x 92.8 mm. Compression Ratio: 10.5:1. Power: ~200 hp (147 kW) at 5100-6000 rpm. Torque: ~207 lb-ft (280 Nm) at 1800-4700 rpm. 3.2 Fsi Engine: Engine Code: AUK, BKH. Displacement: 3197 cc. Bore x Stroke: 84.5 mm x 95.5 mm. Compression Ratio: 11.3:1. Power: ~255 hp (188 kW) at 6500 rpm. Torque: ~243 lb-ft (330 Nm) at 3250 rpm. Performance Horsepower Range: 160 hp to 255 hp depending on engine variant. Torque Range: 200 lb-ft to 243 lb-ft depending on engine variant. Fuel System Fuel Delivery: Direct Fuel Injection (FSI) for 3.2 V6 and TFSI engines. Multi-point fuel injection for earlier 1.8T and 2.0 non-FSI variants. Recommended Fuel: Premium Unleaded Gasoline (91 octane or higher recommended for FSI/TFSI engines). 🔧 Transmission Standard Standard Transmission: 6-speed Manual Transmission. Optional Optional Transmission: 6-speed Tiptronic automatic transmission with Steptronic manual shifting, and Multitronic Continuously Variable Transmission (CVT). Features Quattro AWD: Audi's renowned Quattro all-wheel-drive system available as an option on most engine/transmission combinations, providing enhanced traction and stability. 📐 Dimensions Exterior Length: Approx. 4581 mm (179.9 inches) for Sedan, 4609 mm (181.5 inches) for Avant. Width: Approx. 1766 mm (69.5 inches) excluding mirrors. Height: Approx. 1423 mm (56.0 inches) for Sedan, 1453 mm (57.2 inches) for Avant. Wheelbase: Approx. 2647 mm (104.2 inches). Cargo Trunk Volume: Approx. 480 liters (16.9 cubic feet) for Sedan, 440 liters (15.5 cubic feet) for Avant with rear seats up. Weights Curb Weight: Varies by engine and drivetrain, typically ranging from 1500 kg (3307 lbs) to 1700 kg (3748 lbs). 🛡️ Safety Features Ratings NHTSA Rating: Likely received 'Good' ratings in frontal and side impact tests from the IIHS for its era, and 4 or 5 stars from NHTSA, though specific 2006 ratings should be verified. Active Features Traction Control: Traction Control System (ASR) standard, Electronic Stability Program (ESP) often standard or optional depending on market and trim. Braking Features: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Brake Assist. Passive...