Target Audience:
Audi 80 (B4-8C) owners, DIY enthusiasts, independent repair shops, and professional technicians.
Value Proposition:
Provides vehicle-specific, factory-level technical information identical to what dealership technicians use, offering a cost-effective alternative to dealership service and generic repair guides.
Key Features:
Comprehensive A-Z coverage, vehicle-specific detail, step-by-step instructions, diagrams, illustrations, wiring schematics, printable format, easy digital access.
Engine Systems:
Engine, Fuel Service Specifications, Emission Control, Intake, Exhaust, Cooling, Lube, Ignition, Starting, Charging
Drivetrain Systems:
Auto Transmission, Clutch, Manual Transmission, Transfer Propeller Shaft, Drive Shaft, Differential, Axle Suspension
Chassis Systems:
Tire & Wheel, Brake Control, Brake, Parking Brake, Steering Column, Power Steering
Body And Interior:
Air Condition, Suppl Restraint System, Seat Belt, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Lock, Meter Audio/Visual, Horn, Windshield/Glass Mirror, Instrument Panel, Seat, Engine Hood/ Door, Exterior & Interior
Electrical Systems:
Electrical, Multiplex/ Can Communication
Maintenance Procedures:
Routine maintenance, fluid checks and changes, filter replacements, tune-ups.
Repair Procedures:
Complete step-by-step instructions for all repairs, including engine overhaul, transmission service, brake system repair, suspension and steering work, electrical diagnostics.
Diagnostic Procedures:
Diagnostic procedures for identifying and resolving issues across all vehicle systems.
Depth Of Information:
Factory-level detailed repair manuals with complete instructions, diagrams, illustrations, wiring schematics, and specifications for comprehensive repair and maintenance.
Printability:
All pages are printable. Ability to blow up images and print enlarged copies.
Binding Type:
N/A (Digital PDF)
Paper Type:
N/A (Digital PDF)
Compatibility:
Windows Vista (32/64-bit), XP, ME, 98, NT, 2000, and Mac.
Required Software:
Adobe PDF Reader, Winzip (free online).
Engine Variants Covered:
Likely covers the common 4-cylinder (e.g., 2.0L ABK, ADY) and 5-cylinder (e.g., 2.6L ABC, 2.8L AAH) engines offered in the B4 chassis. Specific displacements and configurations would be detailed within the manual.
Performance Data Availability:
Detailed performance specifications (horsepower, torque) for each engine variant are expected to be included.
Fuel System Coverage:
Fuel injection systems (likely Bosch Motronic variants), fuel pump, injectors, fuel pressure, and related diagnostics.
Engine Control System:
Engine Control Unit (ECU) operation, sensors, actuators, diagnostic trouble codes (DTCs), and emissions control systems.
Manual Transmission Options:
Likely covers 5-speed manual transmissions. Specific gear ratios and clutch specifications would be detailed.
Automatic Transmission Options:
Likely covers 4-speed automatic transmissions (e.g., ZF 4HP18/4HP22). Specific fluid types, capacities, and service procedures would be included.
Transmission Features:
Service, repair, and diagnostic procedures for both manual and automatic transmissions, including clutch service, torque converter replacement, transmission fluid changes, and internal component repair.
Chassis Type:
Sedan (8C2), Avant (8C5), Coupe (8B), Cabriolet (8G) variants likely covered by the B4 chassis, although the product name specifically mentions 8C. The manual's scope should clarify coverage of all body styles within the B4 generation.
Curb Weight:
Weight specifications will vary by body style and engine, and are expected to be detailed within the manual.
Safety Ratings Availability:
Information regarding safety features and potentially historical safety ratings would be within the manual, but specific crash test scores are unlikely to be a primary focus of a service manual.
Active Safety Features:
Anti-lock Braking System (ABS) operation and service, traction control (if equipped).
Passive Safety Features:
Supplemental Restraint System (SRS) - airbags (driver and passenger), seat belt pre-tensioners, and their associated control modules and diagnostics.
Infotainment Systems:
Basic infotainment systems common for the era, likely including AM/FM radio, cassette player, and potentially CD player options. Audio system diagnostics and speaker replacement procedures would be covered.
Driver Assistance Features:
ABS, and potentially early forms of traction control on some models. Cruise control systems and their repair would also be covered.
Connectivity Features:
Limited connectivity by modern standards. The manual would cover the vehicle's internal electrical communication networks and diagnostics.
Recommended Service Intervals:
Detailed maintenance schedules for oil changes, filter replacements, timing belt inspection/replacement, coolant flushes, brake fluid changes, and other scheduled services will be provided.
Engine Oil Specification:
Likely specifies VAG-approved synthetic or semi-synthetic engine oils, such as 5W-40 or 10W-40, depending on climate. Specific VW 500 00 or 502 00 standards may be mentioned.
Coolant Specification:
G12 or G12+ antifreeze (typically purple or pink) mixed with distilled water. Specific part numbers for Audi coolant would be listed.
Brake Fluid Specification:
DOT 4 brake fluid is the standard for this era of Audi. Specific Audi part numbers might be included.
Transmission Fluid Specifications:
Specific ATF (Automatic Transmission Fluid) for automatic transmissions and gear oil specifications for manual transmissions and differentials.
Common Wear Items:
Potential wear items include suspension bushings, CV joints, catalytic converters, ignition components (spark plugs, wires, distributor cap/rotor), and fuel injectors. The manual will guide diagnosis and replacement of these.
Common Electrical Issues:
Age-related electrical issues can include failing door lock actuators, window regulators, climate control module failures, and dashboard warning light malfunctions. Wiring diagrams are crucial for diagnosis.
Part Number References:
While not a parts catalog, the manual will reference specific OEM (Original Equipment Manufacturer) part numbers for critical components during repair procedures.
Audi Brand Heritage:
Audi, a German luxury automotive manufacturer, has a history dating back to the early 20th century, known for its engineering prowess and Quattro all-wheel-drive system. By the mid-1990s, Audi was solidifying its reputation for quality and technological advancement.
Audi 80 B4 Evolution:
The Audi 80 B4 generation (1991-1994) was a significant update from the B3. It featured a more modern design, improved safety, and a focus on quality. The B4 served as the foundation for the more premium Audi A4, which replaced it.
Production Period:
The B4 generation of the Audi 80 was produced from 1991 to 1994. The specific 1994 model year falls within this timeframe.
