Engine Mechanical:
        
        
            Engine assembly, cylinder head, block, pistons, crankshaft, timing components, lubrication, cooling.
        
     
    
        
            Engine Management:
        
        
            Fuel injection, ignition, emissions control, turbocharging (if applicable), sensors, actuators.
        
     
    
        
            Transmission:
        
        
            Manual and Automatic transmission repair, clutch, torque converter, gearshift mechanisms, hydraulics.
        
     
    
        
            Driveline Axle:
        
        
            Front and rear axle assemblies, differentials, CV joints, driveshafts, wheel bearings.
        
     
    
        
            Brakes:
        
        
            Hydraulic system, ABS, ESP, brake discs, pads, calipers, lines, master cylinder, parking brake.
        
     
    
        
            Steering:
        
        
            Power steering system, steering rack, column, linkages, wheel alignment.
        
     
    
        
            Suspension:
        
        
            Front and rear suspension components, struts, shock absorbers, control arms, springs, anti-roll bars.
        
     
    
        
            Electrical System:
        
        
            Battery, alternator, starter, lighting circuits, fuses, relays, starter system, charging system.
        
     
    
        
            Body And Frame:
        
        
            Chassis structure, body panels, doors, hood, trunk, convertible top mechanism, glass.
        
     
    
        
            Interior Trim:
        
        
            Seats, dashboard, door panels, headliner, carpeting, airbags, seat belts.
        
     
    
        
            HVAC:
        
        
            Heating, Ventilation, and Air Conditioning (HVAC) system, climate control, refrigerant, components.
        
     
    
        
            Audio Visual Telematics:
        
        
            Infotainment systems, navigation, audio components, speakers, antenna systems.
        
     
    
        
            Restraints:
        
        
            Airbag system, SRS control module, seat belts, pretensioners.
        
     
    
        
            Lighting:
        
        
            Headlights, taillights, interior lights, fog lights, auxiliary lighting, bulb specifications.
        
     
    
        
            Wheels And Tires:
        
        
            Tire pressure monitoring, wheel specifications, tire change procedures.
        
     
    
    
        
            Routine Maintenance:
        
        
            Oil changes, filter replacements, fluid checks, tire rotations, spark plug replacement.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic steps for common and complex problems across all vehicle systems.
        
     
    
        
            Component Removal And Installation:
        
        
            Detailed procedures for disassembling and reassembling virtually every component.
        
     
    
        
            Wiring Diagrams:
        
        
            Comprehensive and detailed electrical wiring diagrams for all vehicle circuits.
        
     
    
        
            Technical Specifications:
        
        
            Precise data for clearances, tolerances, pressures, and electrical resistances.
        
     
    
        
            Convertible Top Operation And Repair:
        
        
            Specific procedures for the soft-top mechanism, hydraulics, and weather sealing.
        
     
    
    
        
            Depth Of Coverage:
        
        
            Factory-level diagnostics, repair, and overhaul procedures.
        
     
    
        
            Diagnostic Tools:
        
        
            Mentions of required diagnostic tools and scan functions (e.g., VCDS).
        
     
    
        
            Special Tools:
        
        
            Identification of specialized tools required for specific repair procedures.
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 10,000 miles (16,000 km) or 12 months, whichever comes first, based on Audi's 'LongLife' service regime (variable based on driving conditions and oil used).
        
     
    
        
            Spark Plug Replacement:
        
        
            Approximately 60,000 miles (96,000 km) for standard spark plugs; iridium plugs may extend this.
        
     
    
        
            Timing Belt Replacement:
        
        
            Not applicable for engines with timing chains (most V6 and later 2.0 TFSI). Earlier 1.8T might have had belts, check specific engine code.
        
     
    
    
        
            Coolant:
        
        
            G 12 Plus (Pink) antifreeze/coolant (e.g., VW G12+).
        
     
    
        
            Brake Fluid:
        
        
            DOT 4 Class 6 or DOT 5.1.
        
     
    
        
            Power Steering Fluid:
        
        
            G 002 000 (or equivalent CHF 11S).
        
     
    
    
        
            Oil Consumption:
        
        
            Some TFSI engines can experience higher-than-average oil consumption.
        
     
    
        
            Convertible Top Hydraulics:
        
        
            Potential leaks or pump failures in the convertible top hydraulic system.
        
     
    
        
            Ignition Coils:
        
        
            Premature failure of ignition coils, particularly in early TFSI engines.
        
     
    
        
            Pcv Valve:
        
        
            Failure of the Positive Crankcase Ventilation (PCV) system can lead to various engine performance issues.