🏷️ Basic Information Identification Make: Jeep Model: CJ-6 Model Years Covered: 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975 👋 Introduction Market Position Vehicle Class: Compact Utility Vehicle / Off-Road Vehicle Target Audience: Enthusiasts, collectors, owners performing their own maintenance and repairs, restorers. Competitive Analysis Historical Competitors: Willys CJ series, Land Rover Series I/II, early Toyota Land Cruiser models. Key Features Vehicle Design Philosophy: Rugged, utilitarian, go-anywhere capability, simple and robust construction. Manual Value Proposition: Provides essential, factory-authorized information for maintaining and repairing the iconic Jeep CJ-6. 📋 Manual Details Coverage Areas Documentation Type: Factory Service Repair Manual Comprehensive Coverage: Complete Official Factory Service Repair Manual Page Count Estimated Page Count: Comprehensive (exact number varies by specific printing/revision, but designed for full factory coverage) Manual Type Manual Format: Download PDF Language Language: English 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, cooling system, fuel system, ignition system, exhaust system, transmission (manual & automatic), transfer case, driveline, axles, differentials. Chassis: Steering system, suspension system (front & rear), brake system (hydraulic, parking), wheels and tires. Electrical: Charging system, starting system, lighting system, instruments and gauges, wiring diagrams, fuses, relays, accessories. Body: Body construction, interior trim, exterior trim, doors, windows, seats, convertible top, chassis components. Procedures Included Maintenance: Scheduled maintenance, lubrication, fluid changes, filter replacement, inspections. Troubleshooting: Diagnostic procedures, symptom-based troubleshooting, fault code interpretation (where applicable). Repair And Rebuild: Component disassembly, inspection, repair, and reassembly for all major vehicle systems. Adjustments: Carburetor adjustments, ignition timing, brake adjustments, clutch adjustments, steering linkage adjustments. Technical Depth Diagnostic Capabilities: Detailed diagnostic charts, specifications for testing components, troubleshooting flowcharts. Rebuild Instructions: Complete step-by-step instructions for engine, transmission, and axle rebuilds, including torque specifications and clearances. Technical Specifications: All necessary specifications, tolerances, clearances, fluid types, capacities, and torque values for repairs and adjustments. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Searchable text content for quick information retrieval. Print Quality Resolution: High-resolution scans of original factory documentation for clear text and diagrams. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type Early: Inline-4 Cylinder, OHV, L-Head ('Hurricane' F-Head engine variations also common) Engine Type Later: Inline-6 Cylinder, OHV ('Dauntless' V6 introduced later in CJ series, but early CJ-6 models primarily used Jeep's own 4-cyl and 6-cyl variants). Displacement Early 4Cyl: Approx. 134 cubic inches (2.2 Liters) Displacement Later 6Cyl: Approx. 230 cubic inches (3.8 Liters) for Super Hurricane / Hurricane F-Head variants Performance Horsepower Range: Approximately 75-130 HP depending on engine variant and year. Torque Range: Approximately 114-200 lb-ft depending on engine variant and year. Fuel System Carburetor Type: Single-barrel carburetor (e.g., Carter, Rochester) common on 4-cyl engines; 2-barrel on some 6-cyl variants. Fuel Type: Regular Unleaded Gasoline 🔧 Transmission Standard Transmission Type Standard: 3-speed manual transmission Optional Transmission Type Optional: 4-speed manual transmission (later models/options) Features Transfer Case: 2-speed Spicer 18 or Dana 18 transfer case with selectable 4WD. Clutch: Dry single-plate clutch (manual transmission) 📐 Dimensions Exterior Wheelbase: 104 inches (2641.6 mm) Overall Length: Approx. 160-170 inches (4064-4318 mm) depending on body style and bumper variations. Overall Width: Approx. 69 inches (1752.6 mm) Overall Height: Approx. 60-70 inches (1524-1778 mm) depending on top and tire size. Weights Curb Weight: Approximately 2,800 - 3,300 lbs (1270 - 1497 kg) Payload Capacity: Typically around 1,000 lbs (454 kg) Cargo Cargo Volume: Significant open cargo area behind front seats, expandable with folding rear seat (if equipped). 🛡️ Safety Features Ratings Crash Test Data: Limited formal crash testing by modern standards due to era of manufacture. Emphasis on robust frame and body construction. Active Features Braking System: Hydraulic drum brakes on all four wheels; manual parking brake. Passive Features Seat Belts: Lap belts typically standard; shoulder belts optional or added later. Body Construction: Body-on-frame construction for durability and off-road resilience. 💡 Technology Features Infotainment Infotainment System: Basic AM radio (optional), analog gauges for speed, fuel, temperature, oil pressure. Driver Assistance Driver Assistance Features: None by modern standards. Focus is on mechanical systems and driver control. Connectivity Connectivity Options: None. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000 miles or 6 months, though the manual will specify for each engine variant. Tune Up Interval: Periodic checks of ignition components (spark plugs, points, condenser) and carburetor adjustment every 10,000-20,000 miles. Fluid Specifications Engine Oil Type: Viscosity typically 10W-30 or 10W-40, depending on climate and specific engine (manual will confirm exact spec). Coolant Type: Ethylene Glycol based antifreeze, typically a 50/50 mix with distilled water. Transmission Fluid Type: Gear oil for manual transmissions (GL-4 rated, e.g., 80W-90); Automatic transmission fluid (ATF) for automatic gearboxes (if equipped). Differential Fluid Type: Gear oil (e.g., 80W-90 or 90W) for front and rear differentials. Known Issues...