Market Position:
Premium compact sports car with distinctive styling and all-wheel-drive capabilities.
Competitive Analysis:
Competed against vehicles like the Porsche Boxster, BMW Z3, and Mercedes-Benz SLK.
Key Features:
Unique 'Gullwing' inspired design, standard Quattro all-wheel-drive, turbocharged engine, driver-focused cockpit.
Engine:
Detailed diagnostics, overhaul, timing belt replacement, lubrication system, cooling system, fuel system, ignition system, emissions control.
Drivetrain:
Quattro all-wheel-drive system, clutch, manual transmission, driveshafts, differentials.
Brakes:
Front and rear brake system components, ABS, brake fluid service, caliper and rotor replacement.
Suspension:
Front and rear suspension, shock absorbers, springs, control arms, steering knuckles, wheel alignment specifications.
Steering:
Power steering system, steering rack, tie rods, steering column.
Electrical:
Comprehensive wiring diagrams, starter, alternator, battery, lighting systems, fuses, relays, ECUs, sensors, diagnostic trouble codes (DTCs).
Heating Air Conditioning:
HVAC system operation, refrigerant handling, compressor, condenser, evaporator, climate control unit.
Body And Chassis:
Body panel removal and installation, interior trim, doors, windows, locks, chassis components.
Procedures Included:
Routine maintenance, scheduled servicing, diagnostic procedures, troubleshooting guides, component replacement, system adjustments, torque specifications, repair procedures.
Technical Depth:
Factory-level detail, suitable for DIY enthusiasts and professional technicians.
Engine Code:
AGU, AUM (1.8T)
Engine Type:
Inline 4-cylinder, turbocharged, 20-valve DOHC
Displacement:
1.8 Liters (1781 cc)
Bore X Stroke:
81.0 mm x 86.4 mm
Horsepower:
180 PS (178 bhp / 132 kW) at 5500 rpm
Torque:
235 Nm (173 lb-ft) at 1950-5000 rpm
Fuel System:
Electronic Multi-Point Fuel Injection (MPI) with Bosch Motronic engine management.
Fuel Type:
Premium Unleaded Gasoline (91 octane or higher recommended)
Oil Type And Capacity:
SAE 5W-40 Synthetic or equivalent. Capacity: 4.5 Liters (4.8 US Quarts) with filter.
Transmission Type:
6-speed Manual Transmission
Transmission Type:
No automatic transmission offered for the 2001 model year Quattro.
Transmission Features:
Audi's famed Quattro all-wheel-drive system, typically a Torsen center differential and open front/rear differentials.
Manual Transmission Fluid:
GL-4 or GL-5 Gear Oil, SAE 75W-90 (refer to manual for specific Audi PN).
NHTSA Front Impact:
Not extensively rated by NHTSA for this specific model year and variant; however, generally considered well-built.
Active Features:
Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Electronic Stability Control (ESC) - often branded as ESP.
Passive Features:
Driver and front passenger airbags, side airbags (optional/standard depending on market), seatbelt pretensioners, reinforced safety cell.
Oil And Filter Change:
Every 10,000 miles (16,000 km) or annually, whichever comes first (or as per manufacturer's fixed interval servicing).
Timing Belt Replacement:
Approximately every 60,000 miles (96,000 km) or 5 years. Crucial to follow this to avoid catastrophic engine damage. The manual will provide precise interval and part numbers.
Spark Plugs:
Inspect every 20,000 miles (32,000 km), replace as needed (typically every 40,000-60,000 miles). Manual will specify correct NGK or equivalent part numbers.
Coolant:
G12 or G12+ Extended Life Antifreeze (50/50 mix with distilled water). Audi Part Number G012A8DA1 or equivalent.
Brake Fluid:
DOT 4 High-Temperature Brake Fluid. Audi Part Number B000750M3 or equivalent.
Known Issues:
Coil pack failure (leading to misfires), oil consumption (especially on earlier 1.8T engines), ABS sensor failure, potential for exhaust manifold cracks, rear spoiler actuator issues (though less common on early models).
Maintenance Recommendations:
Regular checks of oil level, coolant, and brake fluid. Thorough inspection of suspension and drivetrain components, especially if tracking the vehicle.
Brand Heritage:
Audi, a German luxury automobile manufacturer, is renowned for its quattro all-wheel-drive technology and engineering prowess, with a history dating back to the early 20th century.
Model Evolution:
The first-generation Audi TT (Mk1, Typ 8N) debuted in 1998 as a concept, with production commencing in 1999. It was offered in Coupe and Roadster body styles. The 2001 model represents an early iteration of this design.
Production Period:
1998-2006 (Mk1)
Manufacturing Location:
Ingolstadt, Germany
