🏷️ Basic Information Identification Make: Jeep Model: CJ-6 Year: 1955 Codes Chassis Code: CJ-6 👋 Introduction Market Position Segment: Light Utility Vehicle / Off-Road Vehicle Target Audience: Military, government, agricultural, and recreational users requiring robust off-road capability. Competitive Analysis Competitors: Willys CJ series, Land Rover Series I, International Harvester Scout (later). Key Features Durability: Renowned for ruggedness and go-anywhere capability. Versatility: Adaptable for various roles from basic transport to specialized work. 4X4 Capability: Standard four-wheel-drive system for superior off-road traction. 📋 Manual Details Coverage Areas Engine Repair: Complete Transmission Repair: Complete Suspension Repair: Complete Brake System Repair: Complete Electrical System Repair: Complete Body And Chassis Repair: Complete Maintenance Procedures: Comprehensive Troubleshooting Guide: Included Page Count Estimated Pages: Over 500 (typical for comprehensive service manuals of this era) Manual Type Type: Service Repair Workshop Manual Language Language: English Format Format: Digital (likely PDF, often provided as scans or digitally reproduced) 📖 Manual Coverage Systems Covered Engine: Engine assembly, disassembly, cylinder head, crankshaft, pistons, connecting rods, lubrication system, cooling system, fuel system (carburetor, fuel pump, lines), ignition system (distributor, spark plugs, ignition timing), exhaust system. Transmission: Manual transmission (e.g., T90 or equivalent), clutch system, driveshafts, transfer case (4x4 system). Suspension: Front and rear suspension components (leaf springs, shock absorbers), steering linkage, steering gear (worm and sector or similar), wheel alignment. Brakes: Hydraulic brake system (master cylinder, wheel cylinders, brake shoes, drums), parking brake system. Electrical: 12-volt electrical system, battery, generator/alternator (depending on exact configuration), starter motor, lighting system (headlights, taillights, turn signals), instrumentation, wiring diagrams. Chassis And Body: Frame construction, body panels, doors, hood, windshield, seats, fuel tank, bumpers, fenders. Procedures Included Engine Overhaul: Detailed steps for complete engine rebuilding. Transmission Rebuild: Step-by-step instructions for transmission and transfer case overhaul. Brake Service: Drum brake relining, cylinder replacement, bleeding procedures. Suspension Alignment: Specifications and procedures for wheel alignment. Electrical Troubleshooting: Diagnostic procedures and wiring diagrams. Tune Up Specifications: Ignition timing, carburetor adjustments, valve clearance settings. Technical Depth Depth: Comprehensive: Covers everything from basic maintenance and tune-ups to full engine, transmission, and chassis overhauls. Suitable for professional mechanics and dedicated enthusiasts. 📊 Manual Specifications File Format Digital Format: Likely PDF, potentially scanned from original print. Searchable text if OCR applied. Print Quality Scan Quality: Varies based on original source, typically clear enough for practical use. Binding Type Original Binding: Stapled or perfect bound (for print versions) Paper Type Original Paper: Newsprint or standard paper (for print versions) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder, Overhead Valve (OHV) Engine Code: F-Head Hurricane (F4-134) Displacement: 2.2 Liters (134.2 cubic inches) Bore X Stroke: 3-7/16 inches x 3-15/16 inches Performance Horsepower: Approx. 75-80 hp @ 3200-3400 RPM (net) Torque: Approx. 114-120 lb-ft @ 1000-1200 RPM (net) Fuel System Fuel Delivery: Single barrel downdraft carburetor (e.g., Carter WCD or similar). Fuel Type: Unleaded gasoline (though leaded was common and acceptable at the time) Ignition System Ignition Type: Battery and Coil Ignition Engine Oil Recommended Oil Viscosity: SAE 20W-20 or SAE 30 (depending on ambient temperature, consult manual for specifics) Oil Capacity: 5 Quarts (including filter) Cooling System Coolant Type: Water and Ethylene Glycol (50/50 mix) 🔧 Transmission Standard Transmission Type: 3-speed manual transmission (e.g., T90) Optional Transfer Case: 2-speed transfer case with manual engagement for 4WD. Features Gear Ratios Low Range: Typically around 2.57:1 for low range Fluid Type Transmission Fluid: GL-4 Gear Oil (e.g., SAE 80W-90 or SAE 90) Fluid Capacity Transmission Capacity: Approx. 4-5 Pints (Manual Transmission) Transfer Case Capacity: Approx. 3 Pints (Transfer Case) 📐 Dimensions Exterior Wheelbase: 104 inches (2642 mm) Length: Approx. 150 inches (3810 mm) (Varies slightly by body style/configuration) Width: Approx. 63 inches (1600 mm) (excluding mirrors) Height: Approx. 70 inches (1778 mm) (to top of windshield frame, without top) Weights Curb Weight: Approx. 2,700 - 3,000 lbs (1225 - 1360 kg) Gross Vehicle Weight Rating Gvw: Approx. 3,750 lbs (1700 kg) Wheels Tires Standard Wheel Size: 16 inches Wheel Bolt Pattern: 5 on 5.5 inches (139.7 mm) Standard Tire Size: 6.00-16 or 6.50-16 (bias-ply) 🛡️ Safety Features Ratings Crash Test Results: Not applicable for this era of vehicle; safety standards were significantly different. Active Features Braking System: Four-wheel drum brakes. Steering System: Recirculating ball steering mechanism (non-power assist). Passive Features Body Construction: Body-on-frame construction. Seatbelts: Typically not standard in 1955; often aftermarket or dealer-installed later. 💡 Technology Features Infotainment Radio: Optional AM radio, typically with limited features. Often a single speaker. Gauges: Basic instrumentation: speedometer, fuel gauge, oil pressure gauge, water temperature gauge, ammeter. Driver Assistance ABS: Not applicable Traction Control: Not applicable Connectivity Connectivity Options: None 🔧 Maintenance Service Intervals Oil Change Interval: Every 2,500 - 3,000 miles or 6 months (typical for the era). Tune Up Interval: Every 6,000 - 12,000 miles or annually. Spark Plug Replacement: Every 10,000 - 15,000 miles. Fluid Specifications Brake Fluid:...