🏷️ Basic Information

Make:

Audi

Model:

TT

Year:

1999

Generation:

Mk1 (Typ 8N)

Body Styles:

Coupe, Roadster

Chassis Code:

Typ 8N

👋 Introduction

Target Audience:

Professional automotive technicians, DIY enthusiasts with technical inclination

Value Proposition:

Provides official, trusted factory information for complex electrical system repairs on the Audi TT Mk1.

Illustration Quality:

Detailed illustrations, drawings, photos, enlarged insets for detailed part examination.

Instruction Format:

Numbered instructions, bold figure numbers for quick illustration matching, detailed substeps.

Navigability:

Numbered table of contents for fast information retrieval.

📋 Manual Details

Primary Focus:

Electrical System

Secondary Focus:

Complete Service and Repair

Estimated Pages:

Unknown (Official factory manuals are often extensive, typically 500+ pages for a full electrical manual)

Type:

Official Factory Full Service/Repair Manual

Language:

English

File Format:

PDF

Printability:

Printable without restriction

Software Requirement:

Adobe Reader

📖 Manual Coverage

Electrical Systems:

Battery, Starter, Generator, Cruise Control, Windshield Wiper/Washer System, Exterior Lights, Switches, Interior Lights, Switches, Wiring, Electrical Distribution, Audio System, Warning Systems, Instrumentation

General Systems:

Body, Frame & Mounting, Engine, Suspension, Driveline, Brake Systems, Transmission/Transaxle, Clutch, Chains, Exhaust, Fuel System, Steering, Shocks, Climate Control

Repair Procedures:

Step-by-step repair solutions, diagnostic procedures, troubleshooting

Maintenance Procedures:

Implied by comprehensive service manual coverage

Depth:

Professional-level diagnostics and repair, including detailed wiring diagrams and schematics

Data Sheets:

Circuit datasheets, equipment information

📊 Manual Specifications

Format:

PDF

Printability:

High-quality, unrestricted printing

Binding:

Digital (PDF Download)

Paper Type:

N/A (Digital)

⚙️ Engine Specifications

Engine Type:

1.8L Turbocharged Inline-4 (180 PS and 225 PS variants)

Horsepower 180Ps:

180 PS (132 kW; 178 hp) at 5500 rpm

Torque 180Ps:

235 Nm (173 lb-ft) at 1950-5000 rpm

Horsepower 225Ps:

225 PS (165 kW; 222 hp) at 5900 rpm

Torque 225Ps:

280 Nm (207 lb-ft) at 1950-5000 rpm

Fuel Delivery:

Multi-Point Fuel Injection (MPI)

Engine Code 180Ps:

AGU, AUM, ARY

Engine Code 225Ps:

APP, APX, BAM, AUQ

🔧 Transmission

Transmission Type FWD:

5-speed Manual (Front-Wheel Drive)

Transmission Type AWD:

6-speed Manual (Quattro All-Wheel Drive)

Transmission Type Auto:

Not available for 1999 model year.

AWD System:

Haldex all-wheel-drive system for 225 PS Quattro models

📐 Dimensions

Length Coupe:

4041 mm (159.1 in)

Length Roadster:

4041 mm (159.1 in)

Width:

1774 mm (69.8 in)

Height Coupe:

1343 mm (52.9 in)

Height Roadster:

1357 mm (53.4 in)

Wheelbase:

2429 mm (95.6 in)

Cargo Volume Coupe:

275 L (9.7 cu ft)

Cargo Volume Roadster:

104 L (3.7 cu ft)

Curb Weight FWD 180Ps:

~1240 kg (2734 lbs)

Curb Weight AWD 225Ps:

~1300 kg (2866 lbs)

🛡️ Safety Features

NHTSA Front Crash:

Not widely available for this specific year/model through public databases; generally good reputation for structural integrity.

ABS:

Standard (Anti-lock Braking System)

Esp:

Optional/Standard on some 225 PS Quattro models (Electronic Stability Program)

Airbags:

Driver and front passenger airbags

Rollover Protection:

Pop-up roll bars for Roadster model

💡 Technology Features

Audio System:

Factory Audi Chorus or Concert radio systems, optional Bose sound system.

Traction Control:

ASR (Anti-Slip Regulation) often paired with ESP.

Connectivity Features:

Limited by modern standards; primarily focused on audio system integration and basic vehicle diagnostics.

🔧 Maintenance

Oil Change Interval Gasoline:

Typically every 10,000 miles or 1 year, whichever comes first, depending on driving conditions (refer to specific manual for exact details).

Timing Belt Replacement:

Check manual for specific interval; generally around 60,000-100,000 miles for the 1.8T engine. (The manual will provide the definitive interval).

Engine Oil Type:

Refer to manual for exact VW 500.00, 501.01, or 502.00 specification, typically a synthetic 5W-40 or 0W-40.

Coolant Type:

G12 (Pink) coolant

Brake Fluid Type:

DOT 4

Common Electrical Issues:

Wiper motor issues, ABS sensor failures, intermittent dash warning lights, issues with central locking and power windows (all covered in detail in the manual).

Common Engine Issues:

Oil consumption, PCV system issues, turbocharger longevity (depending on maintenance), ignition coil failures.

Common Mechanical Issues:

Strut bearing wear, clutch wear (manual transmission), rear axle seal leaks (Quattro).

📚 Vehicle History

Audi Heritage:

Audi, a German manufacturer with a long history in automotive engineering and motorsports, known for quattro all-wheel drive and premium vehicles.

Tt Design Inspiration:

Inspired by the original Audi TT concept car unveiled in 1995, with a distinctive Bauhaus-influenced design language.

Audi Tt Mk1 Launch:

First generation (Mk1, Typ 8N) launched in 1998 for the 1999 model year.

Production Location:

Győr, Hungary

Production Years Mk1:

1998-2006

🏆 Awards & Recognition

Design Award:

Audi TT Mk1 received numerous design awards for its iconic styling.

Performance Recognition:

Praised for its sporty handling and performance, especially in Quattro variants.