🏷️ Basic Information

Make:

Audi

Model:

A4 Cabriolet

Model Generation:

B6/B7

Model Code:

8H

Year:

2004

Body Style:

Convertible

👋 Introduction

Target Audience:

Audi A4 Cabriolet owners and independent repair shops seeking professional-level service and repair information.

Value Proposition:

Comprehensive, dealer-level information in a convenient PDF format, offering extensive coverage at a fraction of the cost of official Audi service manuals.

Simplicity:

No additional software or gimmicks required; direct PDF download.

Completeness:

Covers all engines, transmissions, and major systems for the specified model year.

Usability:

Fully bookmarked and easily navigable across multiple devices.

📋 Manual Details

Engine Coverage:

All petrol and diesel variations for the specified model year.

Transmission Coverage:

Manual and automatic transmissions for the specified model year.

System Coverage:

Comprehensive coverage including Engine, Fuel Charging, Ignition, Emission Control, Intake Air, Exhaust, Fuel System, Acceleration Control, Speed Control, Climate Control, Air Distribution, Control Components, Instrument and Warning Systems, Battery and Charging, Information and Entertainment, Lighting, Electrical Distribution, Electronic Features, Body System, Body Panels, Interior Trim, Mirrors, Seating, Glass, Frames and Mechanisms, Instrument Panel and Console, Wipers and Washers, Roof, Bumpers, Safety Belt System, Body Repairs, Metal Repairs, Subframe and Mounting System.

Total Pages:

Approximately 10,000 pages

Type:

Workshop Service and Repair Manual

Language:

English

Format:

PDF

Accessibility:

Compatible with PC, Mac, Smartphone, or Tablet

Bookmarking:

Fully bookmarked for ease of use

📖 Manual Coverage

Powertrain:

Engine system, fuel charging and controls, accessory drive, starting system, engine ignition, engine emission control, intake air distribution, emissions, electronic engine controls, manual transmission, clutch controls, exhaust system, fuel system, acceleration control, speed control.

Chassis:

Noise Vibration and Harshness (NVH), suspension, wheels and tyres, driveline system, driveshaft, bearings, brake system, anti-lock control, steering system.

Electrical Electronics:

Battery and charging system, information and entertainment systems, lighting, electrical distribution, electronic feature group.

Body Interior:

Body system, body panels, interior trim, mirrors, seating, glass, frames and mechanisms, instrument panel and console, wipers and washers, roof, bumpers, safety belt system, body repairs, metal repairs, subframe and mounting system, climate control system, air distribution, control components.

Maintenance:

Full maintenance schedule and procedures.

Diagnostics:

Diagnostic procedures for all systems.

Repair:

Detailed repair procedures for all components and systems.

Wiring:

Full wiring diagrams and electrical troubleshooting.

Troubleshooting:

Troubleshooting guides and symptom-based diagnostics.

Level:

Dealer-level factory manual specifications, covering everything from basic maintenance to complete rebuilds.

Detail:

Inclusion of identification codes, jacking and lifting procedures, torque specifications, and alignment data.

📊 Manual Specifications

File Type:

PDF

Searchability:

Searchable text within PDF documents.

Printability:

Printable for physical reference.

Binding:

N/A (Digital PDF format)

Paper Quality:

N/A (Digital PDF format)

⚙️ Engine Specifications

Engine Options:

Likely covers 1.8L Turbo (BFB), 2.0L FSI (ALT, AWA), 2.4L V6 (BDV), 3.0L V6 (AVK, BGN, BPG, BKH), and potentially 3.2L V6 (BNS, CAL) for the 2004 model year.

Horsepower Range:

Approximately 163 hp to 255 hp depending on engine variant.

Torque Range:

Approximately 225 Nm to 330 Nm depending on engine variant.

Fuel Delivery:

Electronic Fuel Injection (EFI) with multi-point injection (MPI) or direct injection (FSI) depending on engine.

ECU Type:

Bosch Motronic or similar electronic engine control units (ECUs).

Emissions Control:

Catalytic converters, oxygen sensors, secondary air injection (where applicable), evaporative emission control (EVAP).

🔧 Transmission

Manual Transmission Options:

Likely 5-speed and 6-speed manual transmissions (e.g., 01X, 0A3).

Automatic Transmission Options:

Likely Tiptronic automatic transmissions (e.g., 5-speed 01V, 6-speed 09L).

Transmission Fluid Type:

Varies by transmission type (e.g., G 052 162 A2 for manual gear oil, G 055 025 for certain automatic transmissions). Specifics detailed in the manual.

📐 Dimensions

Length:

Approx. 4574 mm (179.9 in)

Width:

Approx. 1766 mm (69.5 in)

Height:

Approx. 1391 mm (54.8 in)

Curb Weight:

Approx. 1700-1800 kg (3748-3968 lbs) depending on engine and options.

Gross Vehicle Weight Rating:

Typically around 2200-2300 kg.

Towing Capacity:

Generally not recommended or specified for this model.

🛡️ Safety Features

NHTSA Front Crash Rating:

Likely 5-star (for the A4 sedan/avant, convertible may vary but generally robust).

IIHS Front Overlap Crash Rating:

Good (for the B6 platform sedan/avant).

ABS:

Standard Anti-lock Braking System (ABS).

Esp:

Standard Electronic Stability Program (ESP) with traction control (ASR).

Brake Assist:

Likely included as part of the ABS/ESP system.

Airbags:

Front airbags, side airbags, and potential head airbags.

Seatbelts:

3-point inertia reel seatbelts with pre-tensioners and belt force limiters.

Roll Over Protection:

Automatic pop-up roll bars integrated behind the rear headrests.

💡 Technology Features

Head Unit Options:

Audi Chorus, Concert, Symphony infotainment systems with CD players, optional navigation, and Bose sound systems.

Audi Music Interface:

Not standard on 2004 models; early AUX input might be available.

Cruise Control:

Standard or optional cruise control.

Parking Sensors:

Optional rear parking sensors (Audi parking system).

Bluetooth:

Optional factory-fitted Bluetooth hands-free system.

Roof Operation:

Fully automatic fabric roof operation with electro-hydraulic actuation.

🔧 Maintenance

Oil Change Interval:

Typically every 15,000 km (9,300 miles) or 12 months, whichever comes first, with flexible service intervals (LongLife) possible depending on oil quality and driving conditions.

Spark Plug Replacement:

Varies by engine type; typically around 60,000 km (37,000 miles) for standard plugs, and 90,000 km (56,000 miles) or more for long-life or iridium plugs.

Timing Belt Replacement:

Not applicable for most engines which used timing chains. Some early 4-cylinder engines might have had belts. Specifics in manual.

Engine Oil Specification:

API SG/SH/SJ/SL, ACEA A3/B4, and meeting VW 502 00 / 505 00 or VW 504 00 / 507 00 depending on the engine variant and service interval type. Viscosity typically 0W-30, 5W-30, or 5W-40.

Coolant Specification:

G12 or G12+ (Pink) antifreeze, VW TL 774 C or F, mixed with distilled water (50/50 ratio).

Brake Fluid Specification:

DOT 4 or DOT 5.1.

Common Problems:

Water pump failures (especially on V6 engines), PCV system issues (oil consumption), ignition coil failures, oil cooler leaks, convertible top hydraulic system issues, front suspension component wear (control arms, tie rods), potential ABS sensor issues.

Common Problems Electrical:

Window regulator failures, central locking issues, sensor failures (e.g., camshaft position, crankshaft position).

📚 Vehicle History

Audi Philosophy:

Known for 'Vorsprung durch Technik' (Advancement through Technology), emphasizing engineering, design, and premium quality.

A4 Cabriolet Introduction:

The A4 Cabriolet replaced the Audi A4-based convertible and was part of the B6 generation for its initial production years before transitioning to the B7 generation platform.

Platform:

Based on the Volkswagen Group PL46 platform (shared with A4 Sedan/Avant).

Manufacturing Location:

Primarily Ingolstadt, Germany.

🏆 Awards & Recognition

Ward 3 Best Engines:

Some Audi engines of this era received recognition from Ward's AutoWorld '10 Best Engines'.

Convertible Tops Awards:

A4 Cabriolet often praised for its well-insulated and quiet convertible top operation.