🏷️ Basic Information Identification Make: Volvo Model: 240/260 Series Manual Product Name: VOLVO FUEL SystemS CARBURETTED Engines 240/260 Service Repair Manual Codes Engine Codes Covered: B 17 A, B 19 A, B 19 K, B 20 A, B 21 A, B 23 A, B 27 A, B 28 A 👋 Introduction Market Position Target Audience: DIY enthusiasts, independent repair shops, Volvo owners seeking in-depth maintenance and repair knowledge for carbureted models. Competitive Analysis Value Proposition: Provides essential, specific information for carbureted fuel systems which are often overlooked in generic manuals, enabling owners to maintain these classic Volvos effectively. Key Features Manual Focus: Specialized focus on carbureted fuel systems, vital for diagnosing and repairing common issues related to fuel delivery and engine performance in these vehicles. 📋 Manual Details Coverage Areas Vehicle Generations Covered: Volvo 240 Series (1974-1993), Volvo 260 Series (1974-1985) Specific Engine Years: B 17 A (1979-1984), B 19 A (1977-1984), B 19 K (1984), B 20 A (1975-1976), B 21 A (1975-1984), B 23 A (1982-1984), B 27 A (1976-1979), B 28 A (1980-1982) Page Count Estimated Page Count: Approximately 400-600 pages (estimated based on typical comprehensive service manuals for this era) Manual Type Type: Service and Repair Manual Language Language: English Format Format: Likely Digital (PDF) or Printed Paperback 📖 Manual Coverage Systems Covered Primary Focus: Fuel Systems (Carburetted Engines) Additional Systems Detailed: Engine Mechanical, Ignition System, Emission Control Systems (related to carburetion), Fuel Delivery Components (pumps, filters), Carburetor Overhaul and Adjustment Procedures Included Maintenance: Routine maintenance checks, carburetor cleaning and adjustment, fuel filter replacement, fuel pump testing Repair: Carburetor rebuilding, fuel pump repair/replacement, fuel line troubleshooting, ignition timing adjustment Troubleshooting: Diagnostic charts for common fuel system and starting/running issues, lean/rich mixture diagnosis Technical Depth Depth: Comprehensive, covering component identification, disassembly, assembly, adjustment specifications, and torque values. 📊 Manual Specifications File Format Digital Format Details: Searchable PDF, printable pages, high-resolution diagrams Print Quality Print Quality Details: High-quality paper stock, clear legible text, sharp reproducible diagrams and illustrations Binding Type Binding: Professional perfect binding or saddle-stitch (depending on page count) Paper Type Paper Type: Durable, matte finish paper to prevent glare in shop environments ⚙️ Engine Specifications Primary Engine Engine Family: Volvo 'Redblock' and 'PRV' V6 engines (variants covered) Performance B21A Typical Output: Approx. 107 hp @ 5000 rpm, 136 lb-ft @ 3000 rpm (Euro spec, variations exist) B27A Typical Output: Approx. 140 hp @ 5000 rpm, 161 lb-ft @ 3000 rpm (Euro spec, PRV V6) Fuel System Carburetor Types: Solex, Zenith-Stromberg, possibly SU (depending on specific engine and market) Fuel Delivery: Mechanical or electric fuel pumps, in-line fuel filters Engine Design B17A Displacement: 1.7 Liters (1709 cc) B21A Displacement: 2.1 Liters (2107 cc) B27A Displacement: 2.7 Liters (2664 cc) - PRV V6 B28A Displacement: 2.8 Liters (2849 cc) - PRV V6 🔧 Transmission Standard Type: 4-speed manual (M40, M45) Optional Type: 3-speed automatic (BW35, BW55, AW71) Features Overdrive: Optional overdrive unit on some manual transmissions (e.g., M46 with Laycock de Normanville overdrive) 📐 Dimensions Exterior Body Styles: 2-door sedan, 4-door sedan, 5-door station wagon (240 series), 2-door coupe, 4-door sedan, 5-door station wagon (260 series) Weights Curb Weight Range: Approx. 2800 - 3300 lbs (1270 - 1500 kg) 🛡️ Safety Features Ratings Historical Safety Focus: Volvo's renowned emphasis on safety; 3-point seatbelts, reinforced passenger compartments, laminated windshield. Active Features Braking System: Front disc brakes, rear drum brakes (standard), ABS optional on later models 💡 Technology Features Infotainment Era Appropriate Features: Analog gauges, AM/FM radio (optional cassette player). Driver Assistance Era Appropriate Features: Power steering (optional), intermittent wipers, rear window defroster. Connectivity Era Appropriate Features: None (pre-digital era). 🔧 Maintenance Service Intervals Oil Change: Every 3,000-5,000 miles (4,800-8,000 km) or 6-12 months, depending on oil type and usage. Air Filter Replacement: Every 15,000-30,000 miles (24,000-48,000 km) or annually. Spark Plug Replacement: Every 20,000-30,000 miles (32,000-48,000 km). Fluid Specifications Engine Oil Viscosity: Typically SAE 20W-50 or SAE 10W-40 (refer to manual for specific engine/climate recommendations). Coolant: 50/50 mix of ethylene glycol antifreeze and distilled water. Transmission Fluid Manual: GL-4 Gear Oil, SAE 75W-90 or 80W-90 (check manual for specifics). Transmission Fluid Automatic: Dexron II or equivalent (check manual for specific transmission type). Known Issues Fuel System Common: Carburetor wear (idle issues, hesitation), fuel pump diaphragm degradation, clogged fuel filters, fuel line leaks. Engine Mechanical Common: Oil leaks, timing belt wear (on applicable engines), valve seat wear. Ignition Common: Distributor cap/rotor wear, ignition coil failure, spark plug wire degradation. 📚 Vehicle History Brand Heritage Volvo Legacy: Swedish manufacturer known for durability, safety, and understated design. Model Evolution 240 Series Heritage: Evolved from the Volvo 140 series, known for its robust engineering and 'tank-like' build quality. The 240 became an icon of practicality and longevity. 260 Series Heritage: Featured the Peugeot-Renault-Volvo (PRV) V6 engine, offering more performance and refinement, often in...