Vehicle Segment:
Compact, utilitarian off-road vehicle.
Contemporary Competitors:
Willys CJ-5, International Harvester Scout.
Ruggedness:
Renowned for its durability and off-road capability, a signature Jeep trait.
Simplicity:
Mechanical simplicity makes it relatively easy to maintain and repair, a key selling point for enthusiasts.
Versatility:
Adaptable for various uses, from military applications to civilian work and recreation.
Content Overview:
Comprehensive service, repair, and maintenance information for the 1968 Jeep CJ-3B.
Estimated Page Count:
300-500
Type:
Service Repair Workshop Manual
Format:
Digital (likely PDF, searchable)
Engine:
Disassembly, assembly, diagnosis, repair, tuning, cooling system, lubrication system, fuel system, ignition system.
Transmission:
Manual transmission repair, clutch service, power take-off (if applicable).
Drivetrain:
Transfer case repair, front and rear axle service, driveshafts, universal joints.
Suspension:
Front and rear suspension repair, shock absorbers, springs, steering linkage.
Brakes:
Drum brake service, hydraulic system repair, parking brake.
Electrical:
Wiring diagrams, starter system, alternator/generator, battery, lighting, instrumentation, ignition system.
Body:
Body panel repair, doors, latches, windows, seats, interior trim, convertible top (if applicable).
Maintenance:
Scheduled maintenance, lubrication, fluid changes, filter replacements, tune-ups.
Repair:
Step-by-step repair procedures for all major mechanical and electrical components.
Troubleshooting:
Diagnostic charts and procedures for identifying and resolving common issues.
Special Tools:
Identification and usage of specialized tools required for specific repairs.
Diagnostic Capability:
Advanced diagnostics with detailed symptom-based troubleshooting guides.
Rebuild Procedures:
Complete engine, transmission, and axle rebuild instructions with torque specifications and clearances.
Wiring Diagrams:
Detailed, often color-coded, electrical schematics for all vehicle systems.
Engine Code:
Hurricane (F-head inline-4)
Engine Family:
Willys Hurricane
Displacement:
2199 cc (134.2 cubic inches)
Bore X Stroke:
3-1/8" x 4-1/4" (79.4mm x 108mm)
Horsepower Net:
72 hp @ 3600 RPM
Torque Net:
127 lb-ft @ 1600 RPM
Fuel Delivery:
Carter W-O (Wooler-Overland) YF or similar downdraft carburetor (typically 1-barrel).
Fuel Type:
Unleaded gasoline (octane rating as per original specifications).
Oil Type:
SAE 10W-30 or 10W-40 (consult manual for specific viscosity based on temperature).
Coolant Type:
Water and ethylene glycol mixture (50/50 ratio).
Type:
Warner T-90 3-speed manual transmission.
Overdrive:
Not typically offered as standard, though aftermarket overdrive units may exist.
Transfer Case:
Dana Spicer 18 two-speed transfer case with 4WD engagement.
Transmission Fluid:
GL-4 Gear Oil (e.g., SAE 80W-90)
Transfer Case Fluid:
GL-4 Gear Oil (e.g., SAE 80W-90)
Wheelbase:
80 inches (2032 mm)
Overall Length:
125 inches (3175 mm)
Overall Width:
64 inches (1626 mm)
Overall Height:
64.5 inches (1638 mm) (approx., to top of windshield frame)
Curb Weight:
Approximately 2,800 - 3,000 lbs (1270 - 1361 kg)
Gross Vehicle Weight Rating Gvwr:
Approximately 3,800 lbs (1724 kg)
Wheel Bolt Pattern:
5 on 5.5 inches (139.7 mm)
Standard Tire Size:
6.00-16 or 6.50-16 (bias-ply)
Oil Change:
Every 3,000 miles or 6 months (typical for the era, consult manual for precise intervals).
Transmission Fluid Change:
Every 12,000-24,000 miles or 12-24 months.
Tune Up Schedule:
Spark plugs, points, and condenser checked/replaced every 10,000-12,000 miles.
Coolant Capacity:
Approximately 10 quarts (9.5 Liters) with heater.
Brake Fluid Type:
DOT 3 Hydraulic Brake Fluid.
Engine Wear:
Common wear on valve guides, piston rings, and bearings due to age and usage.
Carburetor Issues:
Carter W-O carburetor can be prone to fuel leaks or gumming if not maintained.
Rust:
Body rust is a prevalent issue, especially on floor pans, rocker panels, and fender wells.
Electrical Gremlins:
Aging wiring harnesses and components can lead to intermittent electrical problems.
Suspension Wear:
Worn bushings, ball joints (if applicable to specific configurations), and shock absorbers.
Jeep Legacy:
Direct descendant of the World War II Willys MB 'Jeep', known for unparalleled off-road heritage.
Cj Series:
The CJ-3B succeeded the CJ-3A and was produced with minor updates for many years, known for its distinct high hood.
Production Period:
CJ-3B produced from 1953 to 1968 in the US, and later in other countries.
Manufacturer:
Willys-Overland Motors (later Kaiser-Jeep Corporation).
