Vehicle Segment:
Lightweight utility vehicle, off-road focused, precursor to modern SUVs.
Competitors 1962:
Willys CJ-5, International Harvester Scout, Land Rover Series II/IIA.
Jeep Cj6 Distinction:
Longer wheelbase version of the CJ series, offering increased cargo space and passenger capacity compared to the CJ-5. Known for ruggedness and off-road capability.
Value For Owner:
Essential resource for owners seeking to maintain, repair, or restore their classic Jeep CJ-6, ensuring originality and longevity.
Engine:
Detailed overhaul, tuning, troubleshooting, specifications for the standard Jeep Hurricane F-Head 4-cylinder engine.
Transmission:
Service and repair for the T90 3-speed manual transmission, including clutch, transfer case (likely Spicer 18).
Drivetrain:
Front and rear axle service, propeller shafts, universal joints, differential adjustments.
Suspension:
Front and rear leaf spring suspension, shock absorbers, bushings, lubrication.
Steering:
Steering gear inspection, adjustment, and repair; linkage components.
Brakes:
Hydraulic drum brake system service, wheel cylinders, master cylinder, brake lines, parking brake.
Electrical:
Ignition system, charging system (generator, voltage regulator), starting system, lighting, wiring diagrams, gauges.
Fuel System:
Fuel tank, fuel pump (mechanical), carburetor service (likely Carter YF or similar), fuel lines.
Cooling System:
Radiator, water pump, thermostat, fan, hoses, coolant specifications.
Exhaust System:
Exhaust manifold, pipe, muffler inspection and replacement.
Bodywork:
Body panel alignment, door and hardware adjustments, trim, seats, windshield wiper system.
Routine Maintenance:
Oil changes, filter replacements, lubrication points, tune-up procedures, spark plug specifications.
Engine Overhaul:
Complete engine disassembly, inspection, repair, and reassembly with torque specifications and clearances.
Transmission Rebuild:
Step-by-step instructions for rebuilding the T90 transmission and transfer case.
Brake Service:
Drum brake relining, cylinder replacement, bleeding procedures, master cylinder overhaul.
Electrical Diagnostics:
Troubleshooting common electrical issues using wiring diagrams, testing components.
Carburetor Adjustment:
On-vehicle adjustment and overhaul procedures for the specified carburetor model.
Troubleshooting Guide:
Problem-symptom diagnosis for engine, transmission, brakes, and electrical systems.
Alignment Procedures:
Front-end alignment specifications and adjustment methods.
Lubrication Schedule:
Detailed chassis and component lubrication points and intervals.
Depth:
Comprehensive, suitable for professional mechanics and experienced DIY enthusiasts.
Diagnostic Level:
Advanced diagnostics, including electrical system troubleshooting and mechanical component testing.
Rebuild Capability:
Full engine and transmission rebuild procedures with detailed specifications.
Digital Format Options:
PDF (searchable text, printable pages) is common for modern reproductions.
Print Quality Description:
High-resolution scans of original factory documentation, ensuring clarity of text and diagrams.
Binding Type Description:
For printed versions: comb-binding, spiral-binding, or perfect binding for durability in workshop environments.
Paper Type Description:
For printed versions: Durable, often heavier stock paper to withstand workshop conditions.
Engine Code:
Hurricane (F-Head)
Engine Type:
Inline 4-Cylinder, Overhead Valve (OHV), F-Head design
Displacement:
220.3 cu in (3.6 Liters)
Bore X Stroke:
3.4375 in x 4.000 in (87.3 mm x 101.6 mm)
Horsepower:
Approx. 75-80 HP @ 3600 RPM (varies slightly by specific tune/year)
Torque:
Approx. 135-140 lb-ft @ 1800 RPM
Fuel Delivery:
Mechanical Fuel Pump
Carburetor Model:
Likely Carter YF 1-barrel (model specifics in manual)
Ignition Type:
Distributor-based, points and condenser ignition.
Oil Capacity With Filter:
5 Quarts (4.7 Liters) SAE 10W-30 or 10W-40 (consult manual for exact year specification).
Transmission Type:
3-Speed Manual
Transmission Model:
Spicer Model 30 (often referred to as T90 for earlier versions, but 1962 could be T90A or similar variant)
Optional Transmission:
None offered for this model year.
Transfer Case:
Spicer Model 18 Two-Speed Transfer Case with a 1.96:1 low range ratio.
Clutch Type:
Single Dry Plate, Manual Actuation.
Transmission Fluid Type:
GL-4 Hypoid Gear Oil, SAE 90 (check manual for exact specification).
Transfer Case Fluid Type:
GL-4 Hypoid Gear Oil, SAE 90 (check manual for exact specification).
Wheelbase:
104 inches (2641.6 mm)
Length:
Approx. 156.5 inches (3975 mm) (body length without bumpers/spare tire)
Width:
Approx. 66 inches (1676 mm) (body width)
Height:
Approx. 65.5 inches (1664 mm) (to top of windshield frame, unladen)
Curb Weight:
Approx. 2,700 - 3,000 lbs (1225 - 1360 kg) depending on configuration.
Gross Vehicle Weight Rating Gvwr:
Approx. 3,750 lbs (1700 kg)
Engine Oil Change:
Every 3,000 miles or 6 months (typical for the era, consult manual for precise interval).
Air Filter Cleaning Or Replacement:
Every 10,000-15,000 miles or as needed based on dust conditions.
Spark Plug Replacement:
Every 10,000-20,000 miles.
Chassis Lubrication:
Every 1,000 miles or every lubrication interval specified in the manual.
Engine Coolant:
50/50 Ethylene Glycol Antifreeze and Water. Check manual for specific type and capacity.
Brake Fluid:
DOT 3 Hydraulic Brake Fluid.
Common Wear Items:
Leaf spring bushings, steering components (kingpins, tie rod ends), brake drums and shoes, exhaust system, fuel pump diaphragm, generator brush wear.
Engine Considerations:
The Hurricane engine is robust but known for its relatively low power output and specific F-head valve arrangement requiring attention.
Jeep Legacy:
Jeep's heritage dates back to WWII military vehicles, establishing a reputation for ruggedness, utility, and off-road capability.
Cj Lineage:
The CJ (Civilian Jeep) series evolved from the MB military Jeep. The CJ-6 was introduced in 1955 as a long-wheelbase variant, designed for greater utility and carrying capacity, often with a CJ-5 body front and a lengthened chassis and tub.
Cj6 Production Years:
1955-1975
Manufacturer:
Willys-Overland Motors (until 1963), Kaiser-Jeep Corporation (from 1963 onwards).