🏷️ Basic Information Identification Make: Datsun Model: 610 Year: 1974 Codes Chassis Codes: 610 Series 👋 Introduction Market Position Target Audience: Professional technicians and experienced DIY enthusiasts Purpose: To provide comprehensive repair and maintenance guidance for the Datsun 610 Competitive Analysis Comparison To Other Manuals: Equivalent to a factory service manual, offering greater detail than owner's manuals or generic repair guides Key Features Data Availability: Adequate data for most DIY mechanics, with factory-level detail Learning Approach: Step-by-step guidance, teaching factory technician knowledge 📋 Manual Details Coverage Areas Engine Coverage: L20B, L18 (if applicable to 1974 model year) Transmission Coverage: 4-speed Manual, 3-speed Automatic Body Styles Covered: Sedan (2-door, 4-door), Hardtop Coupe (2-door), Station Wagon (5-door) Page Count Estimated Page Count: High (typical for factory service manuals of this era, likely 300+ pages) Manual Type Type: Service Repair Manual (Factory Level) Language Language: English Format Digital Format: PDF Accessibility Features: Zoom IN/OUT, Full Printable Delivery Delivery Method: Instant Download Requirements Software Requirements: Adobe PDF Reader, WinZip Operating System Compatibility: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, overhaul, cylinder head, pistons, crankshaft, camshaft, timing, lubrication system, cooling system Fuel System: Carburetor (e.g., Hitachi HJG, SU type), fuel pump, fuel lines, fuel tank, emissions control systems (if applicable) Ignition System: Distributor, ignition coil, spark plugs, wiring, timing adjustment Transmission Manual: Clutch system, gearbox overhaul, gear shifting mechanism, driveshafts Transmission Automatic: Automatic transmission operation, servicing, fluid changes, hydraulic control system Suspension System: Front suspension (independent), rear suspension (leaf springs, live axle), shock absorbers, springs, alignment specifications Steering System: Steering gear, steering column, linkages, lubrication, alignment Braking System: Front disc brakes, rear drum brakes, hydraulic system, brake fluid specifications, master cylinder, wheel cylinders, brake shoes/pads, parking brake Electrical System: Wiring diagrams, charging system (alternator), starting system (starter motor), battery, lighting, instrumentation, fuses, relays, accessories Body And Chassis: Frame, body panels, doors, glass, interior trim, bumpers, weatherstripping, rust prevention Heating And Air Conditioning: HVAC system components, operation, servicing (if factory-equipped) Procedures Included Maintenance: Routine maintenance, fluid checks and changes, filter replacements, lubrication, tune-up procedures Disassembly And Assembly: Detailed steps for removing and reinstalling major components and sub-assemblies Repair And Rebuilding: Step-by-step instructions for repairing worn or damaged parts and complete component overhauls Troubleshooting: Diagnostic procedures, common problems and their solutions, fault finding charts Specifications And Data: Torque specifications, clearances, fluid capacities, electrical values, measurements Technical Depth Depth: Comprehensive (covers factory-level repair and maintenance for professional technicians and advanced DIYers) 📊 Manual Specifications File Format File Type: Portable Document Format (PDF) Print Quality Printability: Full Printable (allows for printing of all pages) Binding Type Binding Digital: N/A (Digital Download) Paper Type Paper Type Digital: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: L20B Engine Type: Inline 4-cylinder, Overhead Valve (OHV) or Overhead Cam (OHC - L20B is OHC) Displacement: 1,952 cc (119.1 cu in) Bore X Stroke: 82.0 mm x 92.0 mm (3.23 in x 3.62 in) Compression Ratio: Typically 8.5:1 or 9.0:1 depending on variant Performance Horsepower Net Approx: Approx. 100-110 hp @ 5,200 rpm (depending on tuning and market) Torque Net Approx: Approx. 105-115 lb-ft @ 3,200 rpm (depending on tuning and market) Fuel System Carburetor Type: Single or twin Hitachi downdraft carburetors (e.g., HJG 34-34, HJG 38-38) Fuel Type: Unleaded Gasoline (as mandated for 1974 models in many regions) 🔧 Transmission Standard Transmission Type: 4-speed Manual Optional Transmission Type: 3-speed Automatic (e.g., JATCO 3N71B) Features Manual Clutch Type: Single dry plate diaphragm spring clutch Fluid Specifications Manual Transmission Fluid: API GL-4 gear oil, SAE 80W or 90W Automatic Transmission Fluid: Dexron II or equivalent ATF 📐 Dimensions Exterior Wheelbase: Approx. 98.4 inches (2500 mm) Length: Approx. 167.7 - 174.4 inches (4260 - 4430 mm) depending on body style Width: Approx. 64.8 inches (1645 mm) Height: Approx. 53.1 - 54.9 inches (1350 - 1395 mm) depending on body style Weights Curb Weight: Approx. 2,300 - 2,600 lbs (1043 - 1179 kg) depending on body style and equipment 🛡️ Safety Features Ratings Crash Test Information: Limited data available for this era, typically not rated by modern standards (NHTSA, IIHS) Active Features Brakes: Front Disc, Rear Drum Steering: Recirculating ball steering system Passive Features Seat Belts: Standard lap and shoulder belts (front), lap belts (rear) 💡 Technology Features Infotainment Audio System: Factory AM/FM radio, optional stereo cassette player (basic analog systems) Driver Assistance Cruise Control: Optional on some models Connectivity Connectivity Features: N/A (No modern electronic connectivity features) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-5,000 miles or 3-6 months (refer to manual for precise recommendations) Tune Up Interval: Every 12,000-18,000 miles or annually, including spark plugs, points, condenser, and timing Transmission Fluid Change: Every 24,000-30,000 miles or 2 years Fluid Specifications Engine Oil Type: API SE/SF service category, SAE 10W-30 or 10W-40 recommended...