🏷️ Basic Information Identification Make: Alfa Romeo Model: 164 Years Covered: 1991, 1992, 1993 Codes Chassis Codes: Type 164 👋 Introduction Market Position Vehicle Segment: Executive Sedan Competitors Era: BMW 5 Series (E34), Mercedes-Benz E-Class (W124), Audi 100 (C3/C4), Lexus LS 400 (early models) Key Features Design Philosophy: Italian design flair, Pininfarina styling, driver-focused cockpit Powertrain Focus: Known for its powerful V6 engines, particularly the Busso V6 Manual Value Proposition Cost Savings: Enables DIY repairs, saving significant money on labor costs Accessibility: Instant digital access for immediate problem solving Completeness: Same information used by professional technicians, ensuring accuracy and detail 📋 Manual Details Coverage Areas All Models: Yes All Engines: Yes All Trims: Yes All Transmissions: Yes Page Count Estimated Page Count: Hundreds of pages (estimated based on typical workshop manuals for this era) Manual Type Type: Workshop Repair Service Manual Language Language: English Format File Format: PDF Delivery Method: Instant Download 📖 Manual Coverage Systems Covered Engine Service Repair: Comprehensive Transmission Service Repair: Comprehensive Brake System: Comprehensive Wiring Diagrams: Included Electrical System: Comprehensive Suspension: Comprehensive Periodic Lubrication: Included Steering: Comprehensive Cooling System: Comprehensive Fuel Injection Fuel System: Comprehensive Emission System: Comprehensive Heater Air Conditioning: Comprehensive Engine Control System: Comprehensive Chassis Body: Comprehensive Restraint System: Comprehensive Interior: Comprehensive Differential Drive: Comprehensive Axle: Comprehensive Procedures Included General Maintenance: Included Troubleshooting: Included Repair Procedures: Step-by-step with detailed substeps, notes, cautions, and warnings Diagnostics: Professional level diagnostic information Electrical Diagnostics: Combined with detailed wiring diagrams Disassembly Assembly: Included Cleaning Reinstalling: Included Technical Depth Depth: Factory level, professional technician quality Illustrations: Detailed illustrations, drawings, photos, and enlarged insets Navigation: Numbered table of contents for easy finding of information 📊 Manual Specifications File Format Print Quality: Full Printable Zoom Functionality: Zoom IN/OUT capable Software Requirements: Adobe PDF Reader & WinZip Compatibility: All Versions of Windows & Mac Binding Type Binding: Digital (PDF Download) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Family: Alfa Romeo V6 'Busso' Engine Displacement 12V: 2959 cc (2.96 L) Engine Displacement 24V: 2959 cc (2.96 L) / 3179 cc (3.2 L) in later variants (though 3.2L is less common in this specific 91-93 range for 164) Performance Horsepower 12V: Approx. 190-200 bhp (140-147 kW) Torque 12V: Approx. 250-260 Nm (184-192 lb-ft) Horsepower 24V: Approx. 210-230 bhp (154-169 kW) Torque 24V: Approx. 280-300 Nm (207-221 lb-ft) Fuel System Fuel Delivery: Bosch Motronic Fuel Injection (specific version depends on engine variant) Engine Codes Common Engine Codes: AR06412 (12V), AR06424 (24V) 🔧 Transmission Standard Transmission Type Standard: 5-Speed Manual Optional Transmission Type Optional: 4-Speed Automatic (e.g., ZF 4HP-22) Features Clutch Type: Hydraulically operated dry single-plate clutch 📐 Dimensions Exterior Length: Approx. 4570 mm (179.9 in) Width: Approx. 1765 mm (69.5 in) Height: Approx. 1390 mm (54.7 in) Weights Curb Weight: Approx. 1450-1550 kg (3197-3417 lbs) depending on configuration 🛡️ Safety Features Ratings Passive Features General: Crumple zones, reinforced passenger cell Active Features ABS: Anti-lock Braking System (ABS) typically standard or optional depending on trim/market Passive Features Airbags: Driver airbag standard on most later models of this period; Passenger airbag less common or optional 💡 Technology Features Infotainment Audio System: Factory fitted cassette player with AM/FM radio, often with amplifier and speaker upgrades available. Climate Control: Automatic climate control with optional heated seats and cruise control. Driver Assistance Cruise Control: Typically optional depending on trim level. Connectivity Connectivity Features: Limited by era; no modern Bluetooth or USB connectivity. Focus on basic audio and climate controls. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, depending on oil type and driving conditions (refer to manual for specifics). Timing Belt Replacement: Critical for Busso V6; typically every 30,000-50,000 miles (50,000-80,000 km) or 3-5 years. Failure can lead to catastrophic engine damage. Fluid Specifications Engine Oil Type: Synthetic or semi-synthetic 10W-40 or 15W-40 (API SG/SH or ACEA A2/A3) - consult manual for exact viscosity and specifications. Coolant Type: Ethylene glycol-based antifreeze, typically a 50/50 mix with distilled water. Specific Alfa Romeo or Fiat recommended coolant should be verified. Brake Fluid: DOT 3 or DOT 4. Transmission Fluid Manual: API GL-4 or GL-5 gear oil, viscosity 75W-90 or 80W-90 (refer to manual for specific fill quantity and type). Transmission Fluid Automatic: Specific ATF fluid (e.g., Dexron II-E or equivalent for ZF transmissions) - crucial to use the correct fluid for longevity. Known Issues Common Problem 1: Timing belt failure if not replaced at recommended intervals. Common Problem 2: Electrical gremlins, particularly with aging wiring and connections. Common Problem 3: Wear and tear on suspension components, especially bushings and ball joints, due to age. Common Problem 4: Corrosion, particularly in wheel arches and sills. Common Problem 5: Fuel system issues, such as failing fuel pumps or injector problems. 📚 Vehicle History Brand Heritage Brand Legacy: Alfa Romeo is renowned...