🏷️ Basic Information Identification Make: Alfa Romeo Model: 90 Model Code: Tipo 162 Production Years: 1984-1987 👋 Introduction Market Position Vehicle Segment: Executive Sedan Brand Philosophy: Alfa Romeo's commitment to sporting character and Italian design Competitive Analysis Key Competitors: BMW 5 Series, Mercedes-Benz E-Class, Audi 100/200, Lancia Thema Key Features Design Language: Giugiaro-designed exterior, distinctive Alfa Romeo grille Technical Innovation: Front-wheel drive architecture, advanced engine technology for its era Manual Value Proposition Utility: Essential for owners performing DIY maintenance or repairs, facilitates accurate parts ordering Completeness: Covers all aspects of vehicle maintenance and repair, from basic tasks to full rebuilds 📋 Manual Details Coverage Areas Primary Coverage: Complete Workshop and Service Repair Secondary Coverage: Maintenance, Troubleshooting, Parts Ordering Page Count Estimated Pages: High (Detailed tear-down and rebuild implies extensive content) Manual Type Type: Workshop Manual / Service Repair Manual Language Language: English Format Digital Format: PDF / JPG 📖 Manual Coverage Systems Covered Engine: Complete mechanical and electrical diagnostics, overhaul, tuning Engine Variants: All Alfa Romeo 90 engine options Transmission: Manual and Automatic (if applicable), overhaul, clutch, gearbox diagnostics Suspension: Front and Rear suspension systems, shock absorbers, springs, bushings Brakes: Hydraulic system, ABS (if equipped), disc/drum components, service and bleeding procedures Steering: Power steering system, steering rack, linkages Electrical System: Wiring diagrams, component testing, ignition, lighting, starting, charging systems Fuel System: Carburetor/Fuel Injection system diagnostics and repair, fuel pump, lines Cooling System: Radiator, water pump, thermostat, hoses, fan operation Exhaust System: Catalytic converter (if applicable), mufflers, pipes, mounting Body: Panel removal/installation, door mechanisms, interior trim, glass HVAC: Heating, Ventilation, and Air Conditioning system components and service Procedures Included General Maintenance: Oil changes, filter replacements, fluid checks, lubrication Troubleshooting: Diagnostic charts, symptom-based solutions Repair Procedures: Step-by-step instructions for component removal, disassembly, repair, and reassembly Rebuilds: Complete engine and transmission rebuild procedures Specifications: Torque specifications for critical fasteners Diagrams: Detailed part diagrams and exploded views Wiring Diagrams: Comprehensive electrical schematics Technical Depth Depth: Comprehensive (Complete tear down and rebuild implies deep technical detail) Diagnostic Capabilities: Advanced diagnostics for all major systems 📊 Manual Specifications File Format Digital Format: PDF/JPG Searchability: Likely text-searchable if generated from a digitized text source, otherwise image-based search Print Quality Printability: Printable pages for workshop use Image Quality: High resolution for clear viewing of pictures and diagrams Binding Type Digital Binding: N/A (Digital download) Paper Type Digital Paper Type: N/A (Digital download) ⚙️ Engine Specifications Primary Engine Engine Family: Alfa Romeo 'Busso' V6 (most common, though 4-cylinders also available) Displacement V6: 2.5 Liters (approx. 2492 cc) Power Output V6: 158 hp (118 kW) at 5600 rpm (European spec) Torque V6: 225 Nm (166 lb-ft) at 3000 rpm (European spec) Secondary Engine Engine Family 4 Cyl: Alfa Romeo Twin Cam (Nord) Displacement 4 Cyl: 1.8 Liters (approx. 1779 cc) and 2.0 Liters (approx. 1962 cc) Power Output 4 Cyl: 120-130 hp (approx.) Fuel System Injection System: Bosch L-Jetronic or Motronic fuel injection (V6), Weber carburetors or Spica mechanical injection (4-cyl) Ignition System Type: Electronic Ignition Cooling System Type: Liquid-cooled 🔧 Transmission Standard Type V6: 5-speed Manual Transaxle Optional Type Auto: 3-speed Automatic Transaxle (e.g., ZF 3HP22) Features Drive Layout: Front-Wheel Drive Clutch Type: Hydraulically operated single dry plate 📐 Dimensions Exterior Body Style: 4-door Sedan Wheelbase: 2610 mm (102.8 inches) Length: 4550 mm (179.1 inches) Width: 1730 mm (68.1 inches) Height: 1420 mm (55.9 inches) Weights Curb Weight: 1270-1350 kg (approx., depending on engine and options) 🛡️ Safety Features Ratings Crash Test Results: Not widely available in modern standardized formats for this era; designed to meet 1980s safety standards. Active Features Braking System: Front: Ventilated Discs, Rear: Discs or Drums (ABS optional on some models) Steering: Power-assisted rack and pinion Passive Features Seat Belts: Three-point front seat belts, likely lap belts in rear Body Construction: Monocoque chassis with integrated safety cell 💡 Technology Features Infotainment Radio: Factory fitted radio/cassette player, often with optional amplifier. Dashboard: Analog gauges, driver-focused layout, often with extensive warning lights and checks. Driver Assistance ABS: Anti-lock Braking System available as an option on higher trims. Cruise Control: Available on some models. Connectivity External Ports: N/A (Designed before widespread digital connectivity). 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 7,500-10,000 km (4,500-6,000 miles) or annually, check manual for specifics. Timing Belt Interval: Critical for V6 engines, typically 50,000-70,000 km (30,000-45,000 miles); consult manual for exact specification. Spark Plug Replacement: As per manual recommendations, often around 40,000-60,000 km. Fluid Specifications Engine Oil V6: API SG or SH, SAE 10W-40 or 15W-50 (check specific manual for correct viscosity and API rating for the era). Coolant: Ethylene glycol-based antifreeze (e.g., Selenia or equivalent), typically 50% mixture with distilled water. Brake Fluid: DOT 3 or DOT 4 brake fluid. Transmission Fluid Manual: GL-4 Gear Oil (e.g., SAE 75W-90 or 80W-90) Transmission Fluid Auto: Dexron II or equivalent ATF Known...