🏷️ Basic Information Identification Make: Jeep Model: CJ-3B Year: 1968 Codes Vehicle Code: CJ3B 👋 Introduction Market Position Vehicle Segment: Light utility vehicle, off-road vehicle Target Audience: Off-road enthusiasts, collectors, restorers, agricultural users Competitive Analysis Key Competitors Era: Willys CJ-5, Land Rover Series, International Harvester Scout Key Features Vehicle Durability: Renowned for ruggedness and off-road capability Simplicity: Mechanical simplicity facilitates maintenance and repair Off Road Performance: Go-anywhere capability with robust 4WD system Manual Utility: Provides essential knowledge for maintaining and repairing a classic Jeep 📋 Manual Details Coverage Areas Engine: Willys Hurricane F-Head Inline-4 Transmission: T90 3-speed manual Drivetrain: 4WD (Selectable 4x4) Page Count Estimated Pages: 300+ Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, assembly, disassembly, troubleshooting Cooling System: Radiator, water pump, thermostat, hoses, fan Fuel System: Carburetor (likely Carter WCFB or similar), fuel pump, fuel lines, tank Ignition System: Distributor, coil, spark plugs, wiring Lubrication System: Oil pump, oil filter, oil pan, lubrication points Exhaust System: Exhaust manifold, pipes, muffler Transmission Manual: T90: Disassembly, assembly, overhaul, clutch Transfer Case: 2-speed transfer case: disassembly, assembly, lubrication Front Axle: Girling-type drum brakes, kingpins, knuckles, hubs, differential Rear Axle: Full-floating axle, differential, axle shafts, brakes Suspension Front: Leaf springs, shock absorbers, steering linkage Suspension Rear: Leaf springs, shock absorbers Steering System: Steering gearbox, drag link, tie rods, steering column Braking System: Hydraulic drum brakes (front and rear), master cylinder, wheel cylinders, brake lines Electrical System: 12-volt system, generator/alternator, battery, starter, lighting, wiring diagrams Body And Frame: Frame inspection and repair, body panel removal and installation, doors, hood, windshield Chassis Components: U-joints, driveshafts, universal joints Procedures Included Maintenance: Lubrication, fluid changes, filter replacement, tune-ups Troubleshooting: Diagnostic charts, common problems and solutions Repair: Component-specific repair instructions for all major systems Overhaul: Complete engine, transmission, and axle rebuild procedures Diagnostics: Identification of symptoms, measurement of parameters, root cause analysis Wiring Diagrams: Detailed electrical schematics for all circuits Technical Depth Depth: Comprehensive factory-level detail, suitable for professional mechanics and serious enthusiasts Accuracy: Official factory specifications and procedures Illustrations: Includes diagrams, schematics, and photographic examples where applicable 📊 Manual Specifications File Format Format: PDF Searchability: Likely text-searchable PDF for quick information retrieval Print Quality Print Readability: High-resolution, suitable for printing individual pages or the entire manual Binding Type Binding Recommendation: Professional binding recommended for printed versions for durability Paper Type Paper Recommendation: Standard printer paper for personal use, heavier stock for shop use ⚙️ Engine Specifications Primary Engine Engine Name: Willys Hurricane (F-Head) Engine Type: Inline-4 Cylinder, Overhead Valve (OHV) Displacement: 134.2 cu in (2.2 L) Performance Horsepower: 75 hp @ 4000 rpm (approx.) Torque: 114 lb-ft @ 1600 rpm (approx.) Fuel System Carburetor: Single-barrel (e.g., Carter WCFB, or equivalent) Fuel Type: Unleaded gasoline Engine Oil Oil Type Recommendation: API Service SG or higher, viscosity SAE 10W-30 or 10W-40 (check manual for precise specification) Cooling System Coolant Type: Ethylene glycol based coolant (50/50 mix with distilled water) 🔧 Transmission Standard Transmission Type: Warner Gear T90 Gears: 3-speed manual Features Clutch: Single dry plate diaphragm spring clutch Fluid Type Transmission Fluid: GL-4 Gear Oil (SAE 80W or 90W) Transfer Case Transfer Case Type: 2-speed, part-time 4WD Transfer Case Fluid: GL-4 Gear Oil (SAE 80W or 90W) 📐 Dimensions Exterior Wheelbase: 81 inches (2057 mm) Length: 130.4 inches (3312 mm) (typical) Width: 65.5 inches (1664 mm) Height: 71.5 inches (1816 mm) (with soft top, typical) Weights Curb Weight: Approx. 2,350 - 2,600 lbs (1066 - 1180 kg) Gross Vehicle Weight Rating: 3,500 lbs (1588 kg) Wheels And Tires Bolt Pattern: 5 x 5.5 inches (139.7 mm) Standard Tire Size: 6.00-16 or 6.50-16 Bias Ply (various brands) 🛡️ Safety Features Ratings NHTSA Ratings: Not applicable to this era of vehicle Active Features Braking System: Hydraulic drum brakes front and rear Passive Features Seat Belts: Typically lap belts were standard or optional, shoulder belts were rare Roll Cage: Basic windshield frame and roll bar provide minimal rollover protection 💡 Technology Features Infotainment Radio: Optional AM radio, often aftermarket units installed Gauges: Basic dashboard: speedometer, fuel gauge, temperature gauge, oil pressure light 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 miles or 6 months (typical for this era, consult manual) Grease Points: Weekly or every few hundred miles (as per manual, multiple chassis lube points) Transmission Service: Check fluid level monthly, change every 20,000-30,000 miles Axle Lubricant Change: Every 20,000 miles or as specified in manual Tune Up Interval: Every 10,000-12,000 miles (includes spark plugs, points, timing) Fluid Specifications Engine Oil Capacity: 5 quarts (4.7 Liters) with filter Cooling System Capacity: Approx. 12 quarts (11.4 Liters) Transmission Capacity: Approx. 4 pints (1.9 Liters) Transfer Case Capacity: Approx. 3 pints (1.4 Liters) Front Axle Capacity: Approx. 3 pints (1.4 Liters) Rear Axle Capacity: Approx. 4 pints...