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.