Audi 80 90 1987 S2 3B Workshop Service Repair Manual

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🏷️ Basic Information Identification Make: Audi Model: 80 / 90 Variant: S2 (3B Engine) Year: 1987 Codes Engine Code: 3B 👋 Introduction Market Position Positioning: Performance-oriented luxury compact sedan/coupe in...

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类型: Car

斯库: 426255

标签: 1987 80 90 Audi Car Cars S2

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Description

🏷️ Basic Information

Identification

Make:

Model:

80 / 90

Variant:

S2 (3B Engine)

Year:

Codes

Engine Code:

👋 Introduction

Market Position

Positioning:

Performance-oriented luxury compact sedan/coupe in its era, competing with BMW 3 Series and Mercedes-Benz 190.

Competitive Analysis

Competitors:

BMW 3 Series (E30), Mercedes-Benz 190E (W201).

Key Features

S2 Features:

Turbocharged 20-valve 5-cylinder engine, quattro all-wheel drive, sport-tuned suspension, aerodynamic enhancements.

Manual Value Proposition

Benefits:

Empowers owners and technicians with detailed technical knowledge for accurate maintenance, diagnostics, and repairs, preserving the vehicle's performance and longevity.

📋 Manual Details

Coverage Areas

Coverage:

Complete Workshop Service and Repair

Page Count

Estimated Pages:

High (typically 800+ pages for comprehensive factory manuals)

Manual Type

Type:

Workshop Service Repair Manual

Language

Language:

English (typically, but may vary; original German is also common)

Format

Format:

Digital Download (PDF or similar electronic format)

📖 Manual Coverage

Systems Covered

Engine:

Detailed diagnosis, repair, overhaul, tuning of the 3B engine.

Fuel System:

Fuel injection system (Bosch Motronic), fuel pump, injectors, fuel lines, pressure regulation.

Ignition System:

Ignition timing, coil packs, spark plugs, control module.

Cooling System:

Radiator, water pump, thermostat, hoses, coolant specifications, fan operation.

Exhaust System:

Catalytic converter, exhaust manifold, mufflers, pipe routing, emissions controls.

Transmission:

Manual transmission (likely 5-speed quattro), clutch system, gearbox overhaul, fluid specifications.

Drivetrain:

Quattro all-wheel-drive system, differentials, driveshafts, CV joints.

Suspension:

Front and rear suspension components, shock absorbers, springs, bushings, alignment specifications.

Steering:

Power steering system, steering rack, tie rods, steering column.

Brakes:

Front and rear brake systems (likely disc brakes all around), ABS operation, brake fluid, bleeding procedures.

Electrical System:

12V electrical system, battery, alternator, starter motor, lighting, fuses, relays, wiring diagrams.

Climate Control:

HVAC system, blower motor, heater core, A/C system (if equipped), refrigerant.

Body And Chassis:

Body panels, doors, hood, trunk, interior trim, chassis construction, rust prevention.

Safety Systems:

Seat belts, airbags (if applicable to this year/variant), structural integrity.

Procedures Included

Maintenance:

Scheduled maintenance, fluid changes, filter replacements, tune-ups.

Diagnostics:

Troubleshooting guides, symptom analysis, diagnostic trouble codes (if applicable).

Repair:

Step-by-step repair instructions for all major vehicle systems.

Disassembly Assembly:

Detailed procedures for removing and installing components.

Rebuilding Overhaul:

Procedures for rebuilding engines, transmissions, and other major components.

Adjustment:

Settings and adjustments for engine timing, brakes, clutch, etc.

Torque Specifications:

Detailed torque values for all fasteners.

Wiring Diagrams:

Comprehensive electrical wiring schematics for all systems.

Technical Depth

Depth:

Comprehensive, suitable for professional mechanics and advanced DIY enthusiasts.

📊 Manual Specifications

File Format

Format Details:

Likely PDF with searchable text, enabling easy navigation and printing.

Print Quality

Printability:

Designed for complete printability of individual sections or the entire manual.

Binding Type

Binding Style:

N/A (Digital Format)

Paper Type

Paper Quality:

N/A (Digital Format)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Inline 5-cylinder, 20-valve, turbocharged

Displacement:

2.2 Liters (2226 cc)

Bore X Stroke:

81.0 mm x 86.4 mm (approximate)

Compression Ratio:

8.5:1 (approximate)

Performance

Horsepower:

217 hp (162 kW) @ 5900 rpm

Torque:

247 lb-ft (335 Nm) @ 3000 rpm

Fuel System

Fuel Delivery:

Bosch Motronic electronic fuel injection with turbocharging

Fuel Type:

Premium Unleaded Gasoline (91+ octane)

Engine Management

ECU Type:

Bosch Motronic (specific version for 3B engine)

Turbocharger:

Garrett T3 or similar, intercooled

Intercooler:

Air-to-air front-mounted intercooler

🔧 Transmission

Standard

Type:

5-speed Manual

Optional

Type:

None (S2 3B exclusively manual)

Features

Drivetrain:

Quattro Permanent All-Wheel Drive

Gear Ratios:

Refer to manual for specific gear ratios (e.g., 1st: 3.500, 2nd: 2.059, 3rd: 1.333, 4th: 1.000, 5th: 0.778)

Transmission Fluid

Fluid Type:

GL-4 or GL-5 Hypoid Gear Oil (e.g., SAE 75W-90, refer to manual for specific Audi spec)

Capacity:

Refer to manual for specific transmission fluid capacity (typically ~2.0 liters for gearbox)

📐 Dimensions

Exterior

Length:

Approximately 4415 mm (sedan), 4345 mm (coupe)

Width:

Approximately 1700 mm

Height:

Approximately 1390 mm (coupe), 1415 mm (sedan)

Weights

Curb Weight:

Approximately 1300-1400 kg (depending on body style and equipment)

Gross Vehicle Weight:

Refer to manual or vehicle placard

Wheels Tires

Wheel Bolt Pattern:

5x112 mm

Tire Size:

Typically 205/55 VR 15 or 205/50 VR 16 (S2 specific)

Wheel Size:

7Jx15 or 7Jx16 (S2 specific)

🛡️ Safety Features

Ratings

Crash Test History:

Limited comprehensive data available for this era, but known for robust chassis construction.

Active Features

Anti-lock Braking System (ABS) standard on S2 models.

Passive Features

Seat Belts:

3-point seat belts with front pre-tensioners.

Airbags:

Driver airbag potentially optional or standard depending on market and specific production date.

Chassis Design:

Unit-body construction with crumple zones.

💡 Technology Features

Infotainment

Audio System:

Original Audi Gamma II or similar cassette player with AM/FM radio. Speaker configuration typically 4 or 6 speakers.

Driver Assistance

Standard ABS system.

Connectivity

Original Features:

Basic climate control, power windows (often), central locking (often).

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 7,500-10,000 miles or 12 months, consult manual for precise interval based on driving conditions.

Timing Belt Replacement:

Critical for 5-cylinder engines. Interval usually around 50,000-60,000 miles or 5 years. Failure can cause severe engine damage. Consult manual.

Fluid Specifications

Engine Oil:

Refer to manual for viscosity grade (e.g., 5W-40 or 10W-40) and API service classification. Full synthetic recommended for turbocharged engines.

Coolant:

Audi/VW G11 (blue) or G12 (pink) coolant (ethylene glycol based) mixed with distilled water. Capacity approximately 8-9 liters.

Brake Fluid:

DOT 4 brake fluid.

Power Steering Fluid:

Refer to manual, typically Pentosin CHF 11S or equivalent power steering fluid.

Known Issues

Common Problems:

Timing belt issues, turbocharger wear, coolant leaks, electrical connector corrosion, aging rubber components (hoses, bushings), potential for cylinder head gasket failure under high stress.

S2 Specific Concerns:

Maintenance of the turbocharger and intercooler system is crucial. Proper oil changes are paramount for turbo longevity.

📚 Vehicle History

Brand Heritage

Heritage:

Audi, part of the Volkswagen Group, has a long history of engineering innovation, particularly in quattro all-wheel-drive technology.

Model Evolution

Audi 80 90 Lineage:

The Audi 80 and 90 were successful compact executive cars produced from the 1970s to the late 1990s. The B3 generation (1986-1991) saw the introduction of the S2 performance variant.

Audi S2 Introduction:

The S2 model was a high-performance version of the Audi 80/90, introduced in the late 1980s, featuring enhanced engines, quattro AWD, and sportier styling.

Production

Production Period:

Audi 80/90 B3: 1986-1991. S2 3B variant production specific years within this range.

Manufacturing Location:

Germany (Ingolstadt)

🏆 Awards & Recognition

Recognitions

Automotive Press:

The Audi 80/90 series was generally well-regarded for its build quality, comfort, and handling, especially in quattro variants. The S2 was praised for its performance and all-weather capability.