🏷️ Basic Information

Make:

Audi

Model:

TT

Year:

2004

Generation Code:

Mk1 (Typ 8N)

Generation Years:

1998-2006

👋 Introduction

Market Position:

Premium compact sports coupe and convertible, targeting enthusiasts and those seeking stylish performance.

Competitive Analysis:

Competed with vehicles like the Porsche Boxster, BMW Z3/Z4, Mercedes-Benz SLK, and Chevrolet Corvette in its segment, offering a unique blend of German engineering, distinctive styling, and quattro all-wheel-drive capability.

Key Features:

Iconic 'Bauhaus' design, available as a coupe and convertible, quattro all-wheel-drive, turbocharged engines, premium interior materials, sophisticated chassis tuning.

📋 Manual Details

Coverage Areas:

Full Service, Repair, Maintenance, Diagnostics, Electrical Schematics, Bodywork

Page Count:

Extensive (Software-based, provides access to all OE data)

Manual Type:

Official Service and Repair Manual Software

Language:

English

Format:

Online Software (Web Browser Accessible)

Licensing:

Officially licensed and derived from OE (Original Equipment) materials.

Access Duration:

1 Year standard access, with discounts for extension.

📖 Manual Coverage

Systems Covered:

Engine Mechanical, Fuel System, Ignition System, Emission Control, Cooling System, Lubrication System, Intake System, Turbocharging System, Exhaust System, Transmission (Manual & Automatic), Clutch, Drivetrain, Suspension (Front & Rear), Steering System, Brakes (Hydraulic & ABS), Wheels & Tires, Body & Chassis, Electrical System (including ECUs, Sensors, Wiring Diagrams), Climate Control (HVAC), Safety Systems (Airbags, Seatbelts), Interior Components, Exterior Components

Procedures Included:

Routine Maintenance, Scheduled Service, Component Removal & Installation, Troubleshooting Guides, Diagnostic Procedures, Electrical System Diagnostics, Wiring Harness Repair, Component Overhaul, Body Panel Replacement, Suspension Alignment, Brake System Bleeding & Repair, Engine Tuning, Drivetrain Component Repair, HVAC System Servicing, Airbag System Safety Procedures

Technical Depth:

Comprehensive. Covers basic maintenance to complete mechanical and electrical system overhauls. Includes detailed diagnostic trouble codes (DTCs), specifications, and repair strategies.

Troubleshooting Scope:

Detailed troubleshooting flowcharts and diagnostic procedures for all major systems, including engine performance, electrical faults, and transmission issues.

Electrical Schematics Coverage:

Comprehensive wiring diagrams for all electrical systems, including component locations, connector pinouts, and wire color coding.

Repair Procedures:

Step-by-step repair instructions with torque specifications, special tool requirements, and visual aids (diagrams, illustrations).

📊 Manual Specifications

File Format:

Proprietary Online Software (accessible via standard web browsers)

Print Quality:

N/A (Digital format, high clarity and resolution)

Binding Type:

N/A (Digital format)

Paper Type:

N/A (Digital format)

Access Method:

Internet connection required; accessible on PC, laptop, smartphone, or tablet via web browser.

Search Functionality:

Full text search capability for quick information retrieval.

⚙️ Engine Specifications

Primary Engine Code:

AGU, AUM, ARX, APX, BAM

Engine Type:

Inline 4-cylinder, turbocharged & intercooled (1.8T) / VR6 (3.2)

Displacement:

1.8 L (1781 cc) / 3.2 L (3189 cc)

Horsepower 1.8T:

180 PS (178 bhp; 132 kW)

Torque 1.8T:

235 Nm (173 lb-ft) at 1950 rpm

Horsepower 3.2 Vr6:

225 PS (222 bhp; 165 kW)

Torque 3.2 Vr6:

320 Nm (236 lb-ft) at 3200 rpm

Zero To Sixty 1.8T Quattro:

Approx. 6.9 seconds

Zero To Sixty 3.2 Quattro:

Approx. 5.9 seconds

Fuel System Type:

Multi-point Fuel Injection (MPI) / Electronic Fuel Injection (EFI) with Turbocharger

Fuel Requirement:

Premium Unleaded Gasoline (91 RON or higher)

Engine Codes 1.8T:

AGU, AUM, ARX (Early Mk1 versions), APX, BAM (180hp versions, with BAM being the performance TT 225hp model with the 1.8T engine).

Engine Codes Vr6:

3.2 V6 (BDX for 2004 models onwards).

🔧 Transmission

Standard Transmission:

5-speed Manual / 6-speed Manual (for 3.2 VR6)

Optional Transmission:

6-speed DSG (Direct-Shift Gearbox) Automatic (on select 1.8T models)

Drivetrain:

Front-wheel drive (FWD) or quattro permanent all-wheel drive (AWD)

📐 Dimensions

Coupe Length:

4041 mm (159.1 in)

Coupe Width:

1775 mm (69.9 in)

Coupe Height:

1341 mm (52.8 in)

Convertible Length:

4041 mm (159.1 in)

Convertible Width:

1775 mm (69.9 in)

Convertible Height:

1364 mm (53.7 in)

Curb Weight 1.8T Quattro Coupe:

approx. 1395 kg (3075 lbs)

Curb Weight 3.2 Quattro Coupe:

approx. 1475 kg (3252 lbs)

Coupe Cargo Volume:

0.27 m³ (9.6 cu ft)

🛡️ Safety Features

NHTSA Front Driver:

4/5 Stars

NHTSA Front Passenger:

4/5 Stars

Active Features:

Anti-lock Braking System (ABS), Electronic Stability Control (ESC), Traction Control (ASR), quattro All-Wheel Drive, Xenon Headlights (optional)

Passive Features:

Front Airbags, Side Airbags, Seatbelt Pretensioners, Roll-Over Protection (convertible), Reinforced Chassis

💡 Technology Features

Infotainment Features:

Factory radio with CD player, optional premium sound system (Bose), optional navigation system.

Driver Assistance Features:

ABS, ESP, ASR, Cruise Control (optional).

Connectivity:

Limited by modern standards; primarily focused on audio and optional navigation.

🔧 Maintenance

Oil Change Interval:

10,000 miles or 12 months, whichever comes first (or as per manufacturer recommendation based on driving conditions)

Timing Belt Replacement 1.8T:

Approximately 60,000-100,000 miles or 5-7 years (refer to manual for specific engine code) - *Note: Some later 1.8T engines may use a timing chain.*

Spark Plug Replacement:

Every 40,000 miles for standard plugs, or 60,000 miles for long-life iridium plugs.

Engine Oil Specification:

SAE 5W-30 Synthetic (meeting VW 502 00 or VW 503 01 specifications)

Coolant Specification:

G12 or G12+ (Pink/Red) Antifreeze/Coolant

Brake Fluid Specification:

DOT 4

Transmission Fluid Manual Gearbox:

G 052 171 A2 (or equivalent API GL-4 rated, SAE 75W-90) - check specific gearbox

Transmission Fluid Automatic Dsg:

G 052 182 A2 (or equivalent specialist DSG fluid) - requires specialized servicing

Power Steering Fluid:

G 004 000 M2 (or equivalent CHF 11S)

Known Issues:

Coil pack failure (1.8T), oil consumption (especially with higher mileage), ABS sensor failure, camshaft follower wear (certain 1.8T engines), DSG transmission mechatronic issues, water ingress in convertible tops, worn suspension bushings.

Engine Oil Capacity 1.8T:

Approx. 4.5 liters (4.8 US quarts) including filter

Engine Oil Capacity 3.2 Vr6:

Approx. 5.5 liters (5.8 US quarts) including filter

Coolant Capacity:

Approx. 7.5 liters (7.9 US quarts)

📚 Vehicle History

Brand Heritage:

Audi, a German automotive manufacturer, has a long history of engineering excellence, particularly known for its quattro all-wheel-drive systems and performance-oriented vehicles.

Model Evolution:

The Audi TT was first introduced in 1998 as a concept car, with production models launching in 1999 for the coupe and 2000 for the roadster. The 2004 model year represents the Mk1 (Typ 8N) generation, which was noted for its groundbreaking 'Bauhaus' inspired design language. A facelift occurred in 2002, bringing minor styling updates and engine revisions.

Production Location:

Ingolstadt, Germany

🏆 Awards & Recognition

Recognitions:

Car and Driver's '10Best' list for 2000 and 2001. Various automotive magazine 'Car of the Year' awards in the sports car category.