Historical Context:
        
        
            The Jeep CJ-6 was a long-wheelbase variant of the CJ series, offering greater utility and cargo space, appealing to a segment seeking more robust off-road capability and passenger/cargo hauling.
        
     
    
    
        
            Competitors 1965:
        
        
            While the CJ-5 was more direct competitor to smaller utility vehicles, the CJ-6 competed with other utility vehicles and some early SUVs from manufacturers like International Harvester (e.g., Scout) and potentially early offerings from Ford and Chevrolet in civilian guise.
        
     
    
    
        
            Vehicle Essence:
        
        
            Rugged, utilitarian, go-anywhere capability, classic Jeep styling, robust mechanicals.
        
     
    
    
        
            Importance For Restoration:
        
        
            Essential for owners undertaking restoration projects, ensuring accurate reassembly, maintenance, and troubleshooting of these iconic vehicles.
        
     
    
        
            Utility For Mechanics:
        
        
            Provides the authoritative technical information mechanics and experienced DIY enthusiasts require to service and repair the Jeep CJ-6.
        
     
 
    
    
    
        
            Engine Mechanical:
        
        
            Engine assembly, disassembly, overhaul, specifications, tuning
        
     
    
        
            Fuel System:
        
        
            Carburetor service (e.g., Carter WCD, WLB), fuel pump, fuel lines, tank
        
     
    
        
            Ignition System:
        
        
            Distributor, ignition timing, spark plugs, coil, wiring
        
     
    
        
            Transmission Manual:
        
        
            T90 3-speed manual transmission overhaul, adjustments, specifications
        
     
    
        
            Transfer Case:
        
        
            Dana 18 transfer case service and repair
        
     
    
        
            Axles:
        
        
            Dana 25 (front) and Dana 44 (rear) axle overhaul, bearings, seals, differentials
        
     
    
        
            Suspension:
        
        
            Leaf spring front and rear suspension, shock absorbers, bushings
        
     
    
        
            Steering:
        
        
            Steering box, linkage, column, kingpins
        
     
    
        
            Brakes:
        
        
            Drum brake system, master cylinder, wheel cylinders, brake lines, adjustment
        
     
    
        
            Electrical:
        
        
            Wiring diagrams, starter motor, generator, battery, lighting, gauges, switches
        
     
    
        
            Body:
        
        
            Sheet metal repair, doors, hood, windshield frame, body mounts
        
     
    
        
            Cooling System:
        
        
            Radiator, water pump, thermostat, hoses, fan
        
     
    
        
            Exhaust System:
        
        
            Manifold, exhaust pipe, muffler, tailpipe
        
     
    
    
        
            Tune Up:
        
        
            Step-by-step tune-up procedures, specifications, and adjustments
        
     
    
        
            Engine Rebuild:
        
        
            Complete engine disassembly, inspection, repair, and reassembly instructions
        
     
    
        
            Transmission Overhaul:
        
        
            Detailed procedures for rebuilding the T90 manual transmission
        
     
    
        
            Brake Adjustment:
        
        
            Proper procedures for adjusting drum brakes
        
     
    
        
            Electrical Diagnostics:
        
        
            Troubleshooting electrical issues using wiring diagrams and common fault finding
        
     
    
        
            Wheel Bearing Service:
        
        
            Front and rear wheel bearing inspection, repacking, and adjustment
        
     
    
        
            Clutch Replacement:
        
        
            Procedures for clutch disc, pressure plate, and throw-out bearing replacement
        
     
    
        
            Shock ABSorber Replacement:
        
        
            Instructions for replacing front and rear shock absorbers
        
     
    
        
            Steering Box Adjustment:
        
        
            Procedures for adjusting steering box play
        
     
    
        
            Carburetor Adjustment:
        
        
            Detailed instructions for tuning and adjusting common carburetor models
        
     
    
    
        
            Depth:
        
        
            Comprehensive, covering from basic maintenance to complete component overhaul and diagnostics
        
     
 
    
    
    
        
            Engine Code:
        
        
            F-Head Hurricane (4-99)
        
     
    
        
            Engine Type:
        
        
            Inline 4-cylinder, Overhead Valve (OHV)
        
     
    
        
            Displacement Liters:
        
        
            2.2 L
        
     
    
        
            Displacement Ci:
        
        
            134 cu in
        
     
    
        
            Bore X Stroke In:
        
        
            3.125 x 4.375 in
        
     
    
        
            Compression Ratio:
        
        
            Approx. 6.9:1
        
     
    
    
        
            Horsepower Gross Bhp:
        
        
            75 bhp @ 3200 rpm (approx.)
        
     
    
        
            Torque Gross Lb Ft:
        
        
            120 lb-ft @ 1600 rpm (approx.)
        
     
    
    
        
            Carburetor:
        
        
            Single-barrel Carter WCD or WLB
        
     
    
        
            Fuel Type:
        
        
            Unleaded Gasoline (Octane rating appropriate for the era)
        
     
    
    
        
            Cooling Type:
        
        
            Water-cooled
        
     
    
    
        
            Oil Capacity Us Qt:
        
        
            5 US qt (with filter)
        
     
    
        
            Recommended Oil Viscosity:
        
        
            SAE 10W-30 or SAE 30 (depending on climate)
        
     
 
    
    
    
        
            Oil Change Interval Miles:
        
        
            Every 3,000 miles or 6 months (typical for the era)
        
     
    
        
            Tune Up Interval Miles:
        
        
            Every 10,000 - 15,000 miles
        
     
    
        
            Transmission Fluid Change Miles:
        
        
            Every 20,000 - 30,000 miles or annually
        
     
    
        
            Differential Fluid Change Miles:
        
        
            Every 20,000 - 30,000 miles or annually
        
     
    
    
        
            Coolant Type:
        
        
            Ethylene Glycol based antifreeze (e.g., 50/50 mix with water)
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 Brake Fluid
        
     
    
        
            Grease Type:
        
        
            Multi-purpose Lithium Grease for chassis lubrication points
        
     
    
    
        
            Common Wear Items:
        
        
            Leaf spring bushings, kingpins, clutch wear, carburetor leaks, electrical connections (corrosion), exhaust system rust, brake drum wear.
        
     
    
        
            Frame And Body Corrosion:
        
        
            Rust is a common concern on the frame and body panels, especially in coastal or humid environments.
        
     
    
    
        
            Chassis Lubrication:
        
        
            Critical importance of regular chassis lubrication at all grease fittings (ball joints, tie rod ends, U-joints, steering components).
        
     
 
    
    
    
        
            Jeep Legacy:
        
        
            Rooted in military vehicles (Willys MB), the civilian CJ line evolved from this utilitarian platform, emphasizing off-road prowess and durability.
        
     
    
    
        
            Cj Series Timeline:
        
        
            The CJ-6 was introduced in 1955 alongside the CJ-5, but remained in production longer in some markets. It featured a longer wheelbase to accommodate more passengers or cargo.
        
     
    
    
        
            Production Years Cj6:
        
        
            1955-1975 (overall for CJ-6, but this manual specifically targets 1965 variants)
        
     
    
        
            Manufacturing Location:
        
        
            Toledo, Ohio, USA (Willys-Overland/Kaiser Jeep)
        
     
 
    
    
    
        
            Historic Significance:
        
        
            The CJ-6 represents a significant chapter in the evolution of the civilian Jeep, embodying its core values of ruggedness and capability for extended periods.
        
     
    
    
        
            Off Road Capability:
        
        
            Renowned for exceptional off-road capability due to its robust chassis, 4WD system, and excellent approach/departure angles.
        
     
    
    
        
            Industry Standards Adherence:
        
        
            Manual adheres to technical documentation standards of its time, providing factory-level repair information.