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Audi

Audi 80 90 1987 S2 3B Workshop Service Repair Manual

Audi 80 90 1987 S2 3B Workshop Service Repair Manual

$16.99
$16.99
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Vehicle data plateRef 426255
Brand
Audi
Vehicle
Cars
Models covered
80, 90, S2
Years
1987
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

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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 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
ABS:
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
ABS:
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.

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Check the model year and engine before you buy

Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

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