🏷️ Basic Information

Make:

Audi

Model:

Cabriolet

Year:

1991

Chassis Code:

8G, 8G7

👋 Introduction

Market Position:

Luxury convertible offering premium styling and performance

Design Philosophy:

Emphasized Audi's design language of the era, characterized by clean lines, aerodynamic efficiency, and a refined appearance.

Competitive Analysis:

Competed with other premium European convertibles of its era, such as the BMW 3 Series Convertible and Mercedes-Benz E-Class Cabriolet variants.

Key Features:

Sophisticated styling, quattro all-wheel drive availability (on some variants), refined interior, comfortable ride, power-operated convertible top.

📋 Manual Details

Coverage Areas:

All models and systems

Page Count:

5508

Manual Type:

Factory Service & Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Systems Covered:

General Information, Accessories & Equipment, Audio/Visual/Telematics, Brakes, Driveline Axle, Electrical, Lights, Restraints, Steering, Suspension, Body & Frame (Interior/Exterior), Mechanical Engine, Transmission, Tires & Wheels, HVAC, Wiring Diagrams

Body And Frame Interior:

Upholstery, dashboard, trim panels, door panels, carpeting, seats

Body And Frame Exterior:

Body panels, bumpers, convertible top mechanism, seals, hinges, locks, glass, mirrors

Electrical:

Starter, alternator, battery, ignition system, lighting (headlights, taillights, interior), instruments, gauges, power windows, central locking, convertible top controls

Mechanical Engine:

Engine block, cylinder head, pistons, connecting rods, crankshaft, camshafts, valvetrain, lubrication system, cooling system, fuel system, intake and exhaust manifolds, engine management

Transmission:

Manual transmission (clutch, gearbox), Automatic transmission (torque converter, valve body, hydraulic circuits), drive shafts, CV joints

Brakes:

Front and rear brake calipers, rotors, pads, brake lines, master cylinder, ABS control unit, parking brake

Suspension:

Front struts/shocks, coil springs, control arms, ball joints, tie rod ends, rear suspension components, anti-roll bars

Steering:

Steering rack, power steering pump, steering column, steering wheel, tie rods

HVAC:

Heater core, A/C compressor, condenser, evaporator, blower motor, refrigerant lines, climate control actuators

Audio Visual Telematics:

Radio, cassette player, speaker systems, antenna system, optional navigation systems (if equipped in later models of this generation)

Restraints:

Airbag system (SRS), seatbelt pre-tensioners, seatbelt components

Tire And Wheels:

Tire specifications, wheel types, lug bolt torque specifications, wheel bearing replacement

Procedures Included:

Maintenance, diagnostics, repair, overhaul, troubleshooting, component replacement, system adjustments, wiring schematics

Procedures Included Detail:

Engine tune-up procedures, spark plug replacement, fuel injector service, coolant flush, transmission fluid change, brake bleeding, suspension alignment specifications, convertible top hydraulic fluid replacement, diagnostic trouble code (DTC) interpretation and resolution.

Procedures Included Specifics:

Detailed instructions for removing and installing engine components, transmission overhaul, brake system bleeding and component replacement, suspension damper replacement, steering rack overhaul, dashboard removal, convertible top system repair and adjustment.

Technical Depth:

Comprehensive factory-level detail covering routine maintenance to complete rebuilds

📊 Manual Specifications

File Format:

PDF

Searchability:

Fully searchable PDF text for quick information retrieval

Compatibility:

Compatible with Windows and Mac operating systems

Software Requirements:

Adobe PDF Reader and/or WinRar for decompression if necessary

Print Quality:

High-resolution for clear printing

Binding Type:

Digital (Printable)

Paper Type:

Not Applicable (Digital)

⚙️ Engine Specifications

Primary Engine:

2.3L Inline-5 (Naturally Aspirated)

Horsepower:

134 hp @ 5800 rpm (for the 2.3E variant)

Torque:

181 Nm (133 lb-ft) @ 3300 rpm (for the 2.3E variant)

Displacement:

2309 cc (for the 2.3E)

Fuel System:

Bosch Motronic electronic fuel injection

Engine Code:

NG (for the 2.3E)

Other Engine Options:

2.6L V6 (ABC engine code), 2.8L V6 (AAH engine code) were also available in later model years or specific markets.

🔧 Transmission

Standard Transmission:

5-speed Manual

Optional Transmission:

4-speed Automatic (Tiptronic available later in the generation)

Drivetrain:

Front-Wheel Drive (FWD) or Available quattro All-Wheel Drive

📐 Dimensions

Length:

4408 mm (173.5 in)

Width:

1715 mm (67.5 in)

Height:

1392 mm (54.8 in)

Curb Weight:

Approximately 1550 kg (3417 lbs) for manual FWD models

Towing Capacity:

Not specified or recommended for this convertible model.

🛡️ Safety Features

Safety Ratings:

Specific NHTSA/Euro NCAP ratings for the 1991 model year are not widely documented for this niche convertible. However, Audi emphasized structural integrity for convertibles.

Active Features:

Anti-lock Braking System (ABS)

Passive Features:

Driver and passenger airbags, reinforced A-pillars, integrated roll-over protection system

💡 Technology Features

Infotainment Features:

Original Audi radio/cassette player, optional CD changer, manual climate control

Speakers:

Configuration varies by trim, often 4-6 speakers

Driver Assistance Features:

ABS (Anti-lock Braking System)

Connectivity Options:

None in the modern sense; typically features for external audio devices via radio adapter.

🔧 Maintenance

Oil Change Interval:

10,000 km (6,200 miles) or 12 months

Timing Belt Interval:

60,000 km (37,000 miles) or 4 years (crucial for inline-5 engines)

Engine Oil Specification:

API SF/SG or ACEA A2-96; SAE 5W-40 or 10W-40

Coolant Specification:

G11 (Glysantin G48 or equivalent) ethylene glycol-based coolant

Brake Fluid Specification:

DOT 4

Power Steering Fluid:

G 002 000 (or Pentosin CHF 11 S equivalent)

Transmission Fluid Manual:

G 502 701 (or SAE 75W-90 synthetic gear oil)

Transmission Fluid Automatic:

G 052 162 A1 (or ATF LT 71141 equivalent)

Known Issues:

Convertible top hydraulic system leaks or malfunctions, aging electrical connectors, potential for radiator leaks, timing belt tensioner failure if overdue, wheel bearing noise.

Common Repair Areas:

Convertible top hydraulic hoses, motors, and seals; fuel pump relay failures; coolant temperature sender issues; ABS sensor malfunctions.

Oil Filter Part Number:

Example: Mann-Filter W 920/17, Bosch 0 986 452 012

Air Filter Part Number:

Example: Mann-Filter C 35 150

📚 Vehicle History

Brand Heritage:

Audi has a long history of producing premium vehicles, known for technological innovation and design, including successful sporty models and convertibles.

Model Evolution:

The 8G generation Audi Cabriolet was based on the Audi 80/90 platform, succeeding earlier Audi convertible offerings and continuing the tradition of elegant, open-top motoring.

Production Years:

1991-2000 (8G generation)

Manufacturing Location:

Ingolstadt, Germany

🏆 Awards & Recognition

Recognitions:

No specific awards are widely cited for this particular model year, but the Audi brand consistently received accolades for build quality and design during this period.