Basic Information Identification Make: Datsun Model: 610 Year: 1976 Generation Generation Name: First Generation (240K/260C Series) Codes Chassis Code: H610 Introduction Market Position Target Audience: Professional technicians and experienced DIY mechanics. Competitive Analysis Manual Comparison: Provides the same level of detail as factory service manuals, often surpassing what's available in owner's manuals or generic repair guides. Key Features Feature 1: Step-by-step repair procedures. Feature 2: Critical specifications and data. Feature 3: Illustrations and diagrams (assumed based on typical FSMs). Feature 4: Disassembly, assembly, cleaning, and reinstallation guidance. Manual Details Coverage Areas Primary Coverage: North America Page Count Estimated Pages: Refer to specific printing if available, but generally comprehensive for factory service manuals. Manual Type Type: Service Repair Manual / Workshop Manual Language Language: English Format File Format: PDF Manual Coverage Systems Covered Engine: 2.0L L20B (Inline-4 SOHC Carbureted) Engine Management: Carburetor tuning and adjustment, ignition system. Transmission: 4-speed Manual, 3-speed Automatic Drivetrain: Rear-Wheel Drive (RWD), driveshaft, differential. Suspension: Front: Independent MacPherson struts, Rear: Live axle with leaf springs. Steering: Recirculating ball steering system. Brakes: Front: Disc brakes, Rear: Drum brakes. Electrical System: 12V system, battery, charging system, starting system, lighting, gauges, horn. Fuel System: Fuel tank, fuel lines, fuel pump, carburetor (Hitachi SU-type or similar). Cooling System: Radiator, thermostat, water pump, coolant hoses. Exhaust System: Exhaust manifold, pipes, muffler. Body And Chassis: Body panels, frame, doors, windows, interior trim. Procedures Included Maintenance: Lubrication, fluid checks and changes, filter replacements, tune-ups. Troubleshooting: Diagnostic procedures for common drivability issues, electrical faults. Repair: Component removal, disassembly, cleaning, inspection, reassembly, installation. Overhaul: Engine overhaul, transmission overhaul (detailed steps). Adjustment: Carburetor, ignition timing, clutch, brakes. Specifications And Tolerances: Critical measurements for engine components, fasteners, etc. Technical Depth Depth: Comprehensive, covering diagnostics, repair, and overhaul for professional technicians and advanced DIYers. Manual Specifications File Format Format: PDF Print Quality Printable: Full Printable Zoom: YES Binding Type Digital Binding: N/A (Digital Download) Paper Type Digital Paper Type: N/A (Digital Download) Requirements Software Requirements: Adobe PDF Reader, WinZip Operating System Compatibility: All Versions of Windows & Mac Delivery Delivery Method: Instant Download Engine Specifications Primary Engine Engine Code: L20B Engine Type: Inline 4-cylinder, SOHC Displacement: 1952 cc (2.0 Liters) Bore: 81.0 mm Stroke: 94.0 mm Compression Ratio: 8.5:1 (typical) Horsepower: Approximately 100-110 hp @ 5600 rpm (varies by market and tune). Torque: Approximately 115-120 lb-ft @ 3200 rpm (varies by market and tune). Fuel System Fuel Delivery: Single or dual downdraft carburetors (e.g., Hitachi SU-type). Fuel Type: Unleaded gasoline (depending on market regulations at the time). Transmission Standard Type Standard: 4-speed Manual Transmission Optional Type Optional: 3-speed Automatic Transmission (e.g., Nissan's own design). Features Clutch: Single dry plate, hydraulically operated. Fluid Type Manual: GL-4 Gear Oil (e.g., SAE 80 or 90). Fluid Type Automatic: Dexron II or equivalent ATF. Dimensions Exterior Body Styles: 2-door Coupe, 4-door Sedan, 5-door Wagon ( a.k.a. "H" or "Van" in some markets) Weights Curb Weight: Approximately 2200 - 2400 lbs (1000 - 1090 kg) depending on body style and options. Safety Features Ratings Crash Safety: As per 1970s standards; no modern ratings available. Active Features Braking: Front disc, rear drum brakes; power assist likely optional or standard on higher trims. Passive Features Seat Belts: Standard 3-point front seat belts, lap belts in rear. Headrests: Likely standard on front seats. Technology Features Infotainment Audio System: AM/FM Radio, likely with optional 8-track player or cassette. Driver Assistance None: No modern driver assistance systems. Maintenance Service Intervals Oil Change: Every 3,000 miles or 3 months (typical for the era). Tune Up: Every 12,000-15,000 miles, including spark plugs, points (if applicable), condenser, and carburetor adjustments. Transmission Fluid Change: Every 24,000-30,000 miles or 24 months. Fluid Specifications Engine Oil: API SF or SG, SAE 10W-30 or 10W-40 (check manual for specific viscosity and type). Coolant: Ethylene glycol based antifreeze, 50/50 mix with water. Brake Fluid: DOT 3 or DOT 4 hydraulic brake fluid. Known Issues Rust: Prone to rust in common areas like wheel wells, rocker panels, and floor pans due to age and materials. Carburetor: Carburetors can become gummed up or require frequent adjustment if not properly maintained. Electrical Connections: Aging wiring harnesses and connectors can lead to intermittent electrical issues. Suspension Bushings: Rubber bushings in suspension and steering can degrade over time, affecting handling and ride quality. Vehicle History Brand Heritage Datsun Legacy: Datsun (Nissan's export brand) was known for reliable, economical, and increasingly sporty vehicles in the 1970s, challenging established marques. Model Evolution 610 Positioning: The 610 succeeded the Datsun 510, representing a move towards a more comfortable, refined, and somewhat larger vehicle, particularly in North America, to compete with American compacts and European imports. Production Production Years: 1971-1977 (for the Datsun 610 globally, 1973-1976 for the US market). Awards & Recognition Recognitions Historical Context: While the 610 itself may not have won specific awards,...