🏷️ Basic Information Identification Make: Volvo Model: 121 / 122S Amazon Year: 1966 Chassis Codes: 121, 122S Body Styles: 2-door Sedan, 4-door Sedan, 5-door Estate (Wagon) 👋 Introduction Market Position Target Audience: DIY enthusiasts, amateur mechanics, and professional workshops seeking detailed factory-level repair information for the 1966 Volvo Amazon. Value Proposition Key Benefit: Provides the authoritative factory data required for accurate diagnosis, repair, and maintenance, enabling cost-effective upkeep of the vehicle. Documentation Origin Source Type: Factory Service Manual 📋 Manual Details Coverage Coverage Areas: Engine, Electrical System, Power Transmission, Brakes, Wheels & Tires, Body, Driving & Running-In Procedures, Servicing, Lubrication, Specifications. Comprehensiveness Manual Type: Workshop Service Repair Manual Language Language: English Format File Format: PDF Compatibility Compatibility: Windows OS, macOS Accessibility Printability: All pages are printable 📖 Manual Coverage Systems Systems Covered: Engine Mechanical, Engine Fuel System, Engine Lubrication, Cooling System, Ignition System, Charging System, Starting System, Clutch, Manual Transmission, Rear Axle & Differential, Steering System, Front Suspension, Rear Suspension, Brakes (Drum/Disc), Electrical System (Wiring Diagrams, Components), Body Construction, Heating System. Procedures Procedures Included: Routine Maintenance, Scheduled Servicing, Engine Tuning, Carburetor Adjustment, Ignition Timing, Clutch Adjustment/Replacement, Brake System Overhaul, Suspension Component Replacement, Electrical Component Troubleshooting, Chassis Lubrication, Running-In Procedures, Winter Servicing. Depth Technical Depth: Comprehensive, from basic checks to complete disassembly and reassembly of major components. Includes detailed torque specifications and diagnostic procedures. 📊 Manual Specifications File Requirements Software Requirements: Adobe PDF Reader, WinZip (for potential archives) Quality Document Quality: High-resolution scans of original factory documentation, featuring detailed illustrations and diagrams. Delivery Delivery Method: Instant Download ⚙️ Engine Specifications Primary Engine 121 Engine Type 121: Inline 4-cylinder, Overhead Valve (OHV) Displacement 121: 1.8 Liters (1778 cc) Carburetion 121: Single SU HS4 or Zenith Stromberg CD175 carburetor (depending on specific market/variant) Primary Engine 122S Engine Type 122S: Inline 4-cylinder, Overhead Valve (OHV) Displacement 122S: 1.8 Liters (1778 cc) Carburetion 122S: Twin SU HS4 carburetors General Engine Code General: B18 Performance 121 Horsepower 121: Approx. 75-85 hp (SAE Gross) Performance 122S Horsepower 122S: Approx. 90-95 hp (SAE Gross) Fuel System Fuel Type: Unleaded gasoline (though leaded was common in 1966, unleaded conversion details might be in advanced sections) 🔧 Transmission Standard Transmission Type Standard: 4-speed Manual Optional Transmission Type Optional: 3-speed Automatic (HVIS) Features Overdrive Option: Optional overdrive unit (Laycock de Normanville) available for manual transmissions on some models. Clutch Clutch Type: Single dry plate, hydraulically actuated 📐 Dimensions Exterior Sedan Length Sedan: Approx. 4520 mm (178 in) Width Sedan: Approx. 1700 mm (67 in) Height Sedan: Approx. 1450 mm (57 in) Exterior Estate Length Estate: Approx. 4570 mm (180 in) Weights Curb Weight: Approx. 1200-1300 kg (2650-2870 lbs), varies by body style and equipment Gross Vehicle Weight: Refer to manual for specific ratings (typically around 1700-1800 kg) 🛡️ Safety Features Passive Features Safety Cage Construction: Volvo's renowned "safety cage" construction with integrated crumple zones. Seat Belts: Factory provision for front seat belts (three-point belts became standard later, but likely optional or available for retrofitting). Steering Column: Collapsible steering column (a Volvo innovation for its time). Dashboard: Padded dashboard and steering wheel. 💡 Technology Features Infotainment Audio System: Factory-fitted AM radio (optional, likely a Motorola or Blaupunkt unit). Comfort Features Heating System: Robust factory heater with demister function. Manual covers its operation and servicing. Driver Controls Ignition Switch: Key operated ignition and starter system. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-5,000 miles (4,800-8,000 km) or 6 months, whichever comes first. Manual will specify exact intervals for this year. Tune Up Interval: Regular checks of ignition points, spark plugs, and carburetor settings recommended at oil change intervals or as specified. Fluid Specifications Engine Oil Type: Refer to manual for specific viscosity (e.g., SAE 20W-50 or 10W-30 depending on climate). Use oil with appropriate API service classification for the era. Coolant Type: Water/antifreeze mixture (e.g., 50/50). Manual will specify type and capacity. Brake Fluid Type: DOT 3 or DOT 4 (check manual for precise specification). Transmission Fluid Manual: Gear oil for manual gearbox (GL-4 specification recommended). Manual will provide capacity and specific grade. Transmission Fluid Automatic: Dexron II or equivalent (if equipped with automatic transmission). Manual will provide capacity and specific grade. Known Issues Common Wear Items: Ignition points and condenser, carburetor diaphragms (SU), fuel pumps (mechanical), clutch wear, U-joints, brake wheel cylinders and master cylinder seals, suspension bushings. Rust Prone Areas: Wheel arches, door bottoms, floor pans, rear valence panel, jacking points. Regular inspection and rust prevention are crucial. Technical Advice Carburetor Tuning: The manual provides detailed guidance on tuning SU carburetors, including jet adjustment and mixture control, crucial for performance and efficiency. 📚 Vehicle History Brand Heritage Brand Philosophy: Volvo's long-standing commitment to safety, durability, and robust engineering. Model Evolution Introduction Year: 1956 Nickname: Amazon (in Sweden and other markets), but sold as the Volvo 121/122S in many export...