Market Segment:
Sports Car / Compact Premium Sports Car
First Generation Years:
1998-2006
Engine Codes:
AGU, ARY, AUQ, APP, AUM, BAM, BFV (for 1.8T); APX, AZA, BVR (for 3.2 V6)
Positioning:
The Audi TT (Type 8N) was positioned as a premium compact sports car, known for its distinctive Bauhaus-inspired design, engaging driving dynamics, and available all-wheel drive (Quattro).
Competitors:
Competed against vehicles like the Porsche Boxster, BMW Z3/Z4, Mercedes-Benz SLK, and Nissan 300ZX/350Z during its production run.
Design:
Iconic rounded styling, aluminum fuel filler cap, minimalist interior. Available as a coupe and roadster.
Performance Variants:
Offered in front-wheel drive and Quattro all-wheel drive configurations, with powerful 1.8L turbocharged engines and later a 3.2L VR6 engine.
Years Covered:
1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Estimated Page Count:
Over 1500 pages (estimated for comprehensive factory manual)
Type:
Factory Service Manual / Workshop Manual
Engine:
1.8L Turbocharged (AGN, ARY, AUQ, APP, AUM, BAM, BFV), 3.2L VR6 (APX, AZA, BVR)
Engine Management:
ECU diagnosis, fuel injection, ignition system, emission controls, turbocharger systems
Transmission:
Manual (02M, 02S), Automatic (01M, 09G - depending on model year and engine)
Drivetrain:
Front-wheel drive (FWD), All-wheel drive (Quattro - Haldex system)
Suspension:
Front MacPherson strut, Rear multi-link independent suspension, Adaptive damping (optional)
Brakes:
Front ventilated discs, Rear solid discs, ABS, EBD, Brake assist
Steering:
Power-assisted rack and pinion
Electrical:
Complete wiring diagrams, diagnostic procedures, component testing, lighting, body electronics, comfort systems
Body And Chassis:
Body construction, panel replacement, interior trim, convertible top (roadster) mechanisms and seals
HVAC:
Heating, Ventilation, and Air Conditioning systems
Safety Systems:
Airbag system, seat belt pre-tensioners
Maintenance:
Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspections and replacement
Diagnostics:
Troubleshooting flowcharts, DTC (Diagnostic Trouble Code) interpretations, sensor testing, actuator testing
Repair:
Engine component overhaul (pistons, rings, valves, camshafts), transmission rebuild, clutch replacement, brake system repair, suspension component replacement, electrical component repair
Overhaul:
Detailed engine and transmission overhaul procedures
Calibration:
Steering angle sensor calibration, throttle body calibration, adaptive damping system calibration (if applicable)
Special Tools:
Identification and usage of specialized Audi/VW tools required for specific procedures
Depth:
Comprehensive from basic maintenance to complete engine and transmission rebuilds, including electrical system diagnostics and bodywork repairs.
Quality:
High resolution, suitable for printing individual pages or the entire manual.
Binding Type:
Not applicable (Digital Download)
Paper Type:
Not applicable (Digital Download)
Text Searchability:
Searchable text within the PDF for quick access to specific topics.
Operating Systems:
Windows 95, 98, ME, XP, Vista, 7, Linux, macOS
1.8T Engine:
1.8L Inline 4-cylinder, turbocharged, 20-valve (5 valves per cylinder)
1.8T Power Output:
Variants ranged from 150 hp to 225 hp (e.g., 180 hp AMU/APP/AUM, 210 hp APX/BAM, 225 hp BAM).
1.8T Torque Output:
Torque figures varied, with the 225 hp model producing around 280 Nm (207 lb-ft).
3.2 Vr6 Engine:
3.2L VR6, naturally aspirated, 24-valve
3.2 Vr6 Power Output:
250 hp (184 kW)
3.2 Vr6 Torque Output:
320 Nm (236 lb-ft)
0 60 Mph Acceleration:
As low as 5.9 seconds for the 225 hp Quattro model and 6.4 seconds for the 3.2 VR6 Quattro model.
Injection Type:
Multi-point fuel injection (MPI) and Direct Injection (TFSI on later models, though not primary for this generation).
Fuel Type:
Premium Unleaded Gasoline (91 Octane or higher recommended)
Standard Transmission:
5-speed manual (early 180hp FWD models), 6-speed manual (later 180hp, 225hp models, and 3.2 VR6 models)
Optional Transmission:
5-speed Tiptronic automatic (01M) on early models, 6-speed DSG (Direct-Shift Gearbox) on later models (less common).
Quattro AWD:
Haldex all-wheel-drive system, typically paired with the 225hp and 3.2 VR6 engines, providing enhanced traction and stability.
Length Coupe:
Approximately 4041 mm (159.1 inches)
Width Coupe:
Approximately 1774 mm (69.8 inches)
Height Coupe:
Approximately 1342 mm (52.8 inches)
Wheelbase:
Approximately 2427 mm (95.6 inches)
Cargo Volume Coupe:
Approximately 10.8 cubic feet (0.31 cubic meters)
Curb Weight:
Ranges from approximately 1370 kg (3020 lbs) for FWD models to over 1500 kg (3300 lbs) for Quattro models.
NHTSA Ratings:
Generally good for its era, though specific ratings may vary by year and testing methodology. Emphasis on structural integrity.
ABS:
Standard Anti-lock Braking System (ABS)
Ebd:
Electronic Brake-force Distribution (EBD)
Traction Control:
Traction Control System (ASR) on many models.
Airbags:
Front airbags for driver and passenger, side airbags integrated into seats.
Rollover Protection:
Pop-up rollover hoops behind the headrests for Roadster models.
Seatbelts:
3-point inertia-reel seatbelts with pre-tensioners.
Oil Change Interval:
Typically every 7,500-10,000 miles or 12 months, whichever comes first, depending on driving conditions and oil used. Consult the manual for specific recommendations.
Timing Belt Replacement:
For 1.8T engines with a timing belt, replacement is generally recommended every 70,000-100,000 miles or 5 years. The 3.2 VR6 uses a timing chain.
Engine Oil Type:
Synthetic 5W-40 or 5W-30, meeting VW 502 00 or 505 00 specifications (refer to manual for exact spec).
Coolant Type:
G12 or G12+ (Purple) ethylene glycol-based coolant, mixed with distilled water.
Transmission Fluid Manual:
Gear oil (e.g., G 052 171 A2 for 02M, G 052 726 A2 for 02S - check manual for precise specs).
Transmission Fluid Automatic:
Specific ATF (e.g., G 052 162 A1 for 01M, G 055 005 A2 for DSG - check manual for precise specs).
Power Steering Fluid:
Hydraulic fluid, e.g., G 002 000.
Ignition Coils:
Failure of ignition coils, leading to misfires and rough running, especially on 1.8T models.
Oil Leaks:
Potential for oil leaks from valve cover gaskets, oil pan gaskets, or turbocharger oil lines.
Suspension Components:
Wear of control arm bushings, ball joints, and strut mounts can lead to knocking sounds and poor handling.
Haldex Coupler:
Potential issues with the Haldex AWD system, requiring fluid and filter changes at specified intervals.
Window Regulators:
Common failure of window regulator mechanisms, especially in older models.
Climate Control Module:
Failure of the HVAC control module can lead to non-functional climate controls.
Audi Heritage:
Audi has a long history of producing innovative and sporty vehicles, with roots in Auto Union and a reputation for quattro all-wheel-drive technology and premium engineering.
Type 8N Introduction:
The first-generation Audi TT (Type 8N) debuted in 1998 (as a 1999 model in North America), with styling heavily influenced by the TT concept cars introduced in 1995.
Roadster Introduction:
The TT Roadster was introduced shortly after the Coupe version, offering a convertible experience with the same distinctive styling.
Facelift And Updates:
Received a facelift for the 2003 model year, which included revised styling, updated interior, and the introduction of the more powerful 3.2 VR6 engine and optional DSG transmission.
Production Period:
1998-2006
Manufacturing Location:
Győr, Hungary (primarily)
