🏷️ Basic Information

Make:

Audi

Model:

TT Quattro

Year:

2000

Chassis Code:

8N (Mk1)

Engine Code Common:

APX

👋 Introduction

Segment:

Compact Sports Car

Design Philosophy:

Unique Bauhaus-inspired 'capsule' design, advanced Quattro all-wheel-drive system, premium interior and performance.

Competitors 2000:

Porsche Boxster, BMW Z3, Mercedes-Benz SLK, Chevrolet Corvette (entry-level trims), Nissan 300ZX.

Design Iconic:

Distinctive rounded, pebble-like exterior styling and minimalist interior design.

Drivetrain Performance:

Standard Quattro all-wheel-drive for exceptional traction and handling, especially in adverse conditions.

Engine Powertrain:

Turbocharged 1.8-liter inline-four cylinder engine providing spirited performance.

Chassis Construction:

Compact, lightweight platform contributing to agile handling.

📋 Manual Details

Primary Coverage:

Mechanical, Electrical, Body, Maintenance, Troubleshooting, Repair

Specific Systems:

Engine, Drivetrain (Quattro AWD), Suspension, Brakes, Steering, HVAC, Fuel System, Cooling System, Electrical System, Body Panels, Interior Trim, SRS Airbag System

Estimated Page Count:

Approximately 2000+ pages (typical for comprehensive factory service manuals)

Type:

Factory Authorized Service and Repair Manual

Language:

English

Format:

Digital (PDF)

📖 Manual Coverage

Engine Mechanical:

Detailed disassembly, inspection, and reassembly procedures for the 1.8L Turbocharged engine (AGU, APX variants).

Engine Management:

Engine control unit (ECU) diagnostics, sensor operations, fuel injection, ignition timing, emissions control systems.

Drivetrain AWD:

Audi's Quattro all-wheel-drive system maintenance and repair, including Haldex coupling, rear differential, and driveshafts.

Suspension Steering:

Front and rear suspension component replacement (struts, control arms, bushings), steering rack service, power steering system.

Braking System:

Brake pad and rotor replacement, brake caliper service, ABS system diagnosis and repair, brake fluid flush procedures.

Electrical System:

Wiring diagrams, fuse and relay locations, component testing (alternator, starter, battery), lighting systems, accessory circuits.

HVAC System:

Air conditioning system service, heater core replacement, climate control unit diagnostics.

Body Exterior:

Body panel alignment, door and latch mechanisms, convertible top operation (if applicable), paint and trim care.

Body Interior:

Seat removal, dashboard disassembly, interior trim component repair and replacement, airbag system precautions.

Routine Maintenance:

Oil and filter changes, air filter replacement, spark plug replacement, coolant flush, brake fluid flush, transmission fluid change.

Troubleshooting:

Step-by-step diagnostic procedures for common and uncommon issues, fault code interpretation.

Repair Overhaul:

Complete instructions for component removal, repair, and reinstallation, including engine, transmission, and suspension overhauls.

Diagnostics:

Information on using diagnostic scan tools (e.g., VCDS/VAG-COM) for system analysis and fault clearing.

Special Tools:

Identification and usage instructions for specialized Audi/VAG tools required for certain procedures.

Depth:

Comprehensive. Covers everything from basic fluid changes to complete engine rebuilds and complex electrical diagnostics.

📊 Manual Specifications

File Quality:

High-resolution, clear text and diagrams, searchable PDF.

Printable:

Printable pages for workshop use.

Diagrams Illustrations:

Detailed exploded views, schematic diagrams, and torque specifications.

Binding:

N/A (Digital Format)

Paper Quality:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Type:

Inline 4-cylinder, turbocharged, longitudinal

Displacement:

1.8 Liters (1781 cc)

Bore X Stroke:

81.0 mm x 86.4 mm

Compression Ratio:

9.0:1

Engine Code Variant Apx:

20-valve DOHC, 180 PS (178 hp; 132 kW)

Engine Code Variant Agu:

20-valve DOHC, 150 PS (148 hp; 110 kW) (Less common for Quattro in US market for 2000 model year)

Horsepower Apx:

180 PS (178 bhp) @ 5300 rpm

Torque Apx:

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

Horsepower Agu:

150 PS (148 bhp) @ 5700 rpm

Torque Agu:

210 Nm (155 lb-ft) @ 1750-4300 rpm

Fuel Delivery:

Multi-point Fuel Injection (MPI)

Fuel Type Recommended:

Premium Unleaded Gasoline (91+ Octane)

Emission Control:

Catalytic Converter, Secondary Air Injection System (SAI), Oxygen Sensors

🔧 Transmission

Transmission Type:

6-Speed Manual

Transmission Type Optional:

Audi Stronic (DSG-type) Automatic (Less common on early 2000 Quattro models, more prevalent on later 1.8T and 3.2L)

Drivetrain Engagement:

Permanent All-Wheel Drive (Quattro) with Haldex center coupling

Clutch Type:

Hydraulically actuated single dry plate clutch

Final Drive Ratio:

3.65:1 (Typical for 6-speed manual)

Transmission Fluid Spec Manual:

G 052 145 A1 (Gear Oil - 75W-90 GL-4/GL-5)

📐 Dimensions

Length:

4040 mm (159.1 in)

Width:

1775 mm (69.9 in)

Height:

1342 mm (52.8 in)

Wheelbase:

2428 mm (95.6 in)

Track Width Front:

1514 mm (59.6 in)

Track Width Rear:

1512 mm (59.5 in)

Ground Clearance:

Approx. 120 mm (4.7 in)

Seating Capacity:

2+2 (Rear seats are very small)

Trunk Volume Coupe:

207 L (7.3 cu ft)

Trunk Volume Roadster:

201 L (7.1 cu ft)

Curb Weight:

1410 kg (3108 lbs) (Coupe)

Gross Vehicle Weight Rating:

1830 kg (4034 lbs)

Towing Capacity:

Not Recommended

🛡️ Safety Features

NHTSA Front Impact:

4-Star (Driver), 5-Star (Passenger) - for similar era Audi models

IIHS Side Impact:

Acceptable (for similar era Audi models)

ABS:

Standard Anti-lock Braking System

Esp:

Standard Electronic Stability Program (ESP)

Traction Control:

Standard Traction Control (ASR)

Airbags Front:

Driver and front passenger airbags

Airbags Side:

Optional Side Airbags (usually integrated into seats)

Seatbelts:

3-point inertia-reel seatbelts with pre-tensioners

Rollover Protection:

Pop-up rollover hoops integrated behind headrests (Coupe - 'virtual rollover protection')

💡 Technology Features

Head Unit Standard:

Audi Chorus or Concert radio with CD player, AM/FM tuner, and typically 8 speakers.

Optional Audio:

Bose premium sound system option available.

Navigation:

Optional factory navigation system (often a bulky, older CRT-based system).

Stability Control Esp:

Standard ESP (Electronic Stability Program) with ASR (Anti-Slip Regulation) enhances vehicle control.

ABS:

Standard ABS for controlled braking.

Oem Connectivity Features:

Limited by modern standards. Primarily focused on audio and basic vehicle information displays. No Bluetooth or USB connectivity natively.

🔧 Maintenance

Oil Change Interval:

Every 10,000 miles or 12 months, whichever comes first (typical Audi recommendation for this era).

Timing Belt Interval:

Every 60,000 - 80,000 miles or 5 years (critical for 1.8T engine, as failure can cause catastrophic engine damage).

Spark Plug Interval:

Every 40,000 - 60,000 miles (refer to manual for specific plug type and gap).

Coolant Flush Interval:

Every 2 years or 30,000 miles.

Brake Fluid Flush Interval:

Every 2 years, regardless of mileage.

Engine Oil Spec:

SAE 5W-40 (synthetic) meeting VW 502 00 / 505 00 specifications.

Coolant Spec:

G 12 (Pink) or G 12 Plus (Purple) Antifreeze/Coolant. Must be mixed 50/50 with distilled water.

Power Steering Fluid Spec:

Pentosin CHF 11S (Green) or equivalent.

Brake Fluid Spec:

DOT 4 (High Performance).

Ignition Coils:

Premature failure of ignition coils is common, leading to misfires and rough running.

Coil Packs:

Similar to ignition coils, coil packs can fail, causing cylinder misfires.

Oil Leaks Valve Cover:

Valve cover gasket can degrade, leading to oil leaks, particularly around the spark plug wells.

Haldex Fluid Service:

Regular maintenance of the Haldex unit (fluid and filter changes) is crucial for Quattro system longevity, often overlooked.

ABS Sensor Failure:

ABS wheel speed sensors can fail, illuminating ABS and ESP warning lights.

E Brake Cable Sticking:

The electronic parking brake cable can become seized, especially in humid climates.

Interior Quattro Emblem Wear:

The 'Quattro' emblem on the steering wheel or gear knob can wear off due to material quality.

📚 Vehicle History

Audi Legacy:

Part of the Volkswagen Group, Audi has a long history of engineering innovation, particularly in quattro all-wheel-drive technology and luxury vehicle development.

Audi Tt Introduction:

First generation (Mk1) TT debuted in 1998 (as a 1999 model in Europe, 2000 in North America) as a concept car that moved directly to production with minimal changes.

Design Influences:

Inspired by Bauhaus design principles and the Bauhaus school's emphasis on form following function. Initial design sketches were by Freeman Thomas.

Body Styles:

Available as a 2-door Coupe and later as a 2-door Roadster (convertible).

Powertrain Development:

Initially offered with the 1.8T engine, later expanded to include naturally aspirated VR6 and more powerful 1.8T variants. Quattro AWD was standard on many models, especially in North America.

Production Start Year:

1998

Manufacturing Plant:

Audi AG plant in Gyor, Hungary.

Mk1 Production End Year:

2006

🏆 Awards & Recognition

Car And Driver Otr:

Car and Driver's '10Best' list in 2000 and 2001.

Popular Mechanics Award:

Popular Mechanics' 'Car of the Year' in 2000.

Design Awards:

Recipient of numerous design awards for its groundbreaking aesthetic.