Jeep CJ-6 1955-1975 Workshop Service Repair Manual

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🏷️ Basic Information Identification Make: Jeep Model: CJ-6 Production Years Covered: 1955-1975 Vin Structure Notes: VIN structure varied significantly during this long production run. Manual provides guidance on identifying models...

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Taper: Car

Distributeur:

UGS: 420321

Mots clés: 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 Car Cars CJ-6 Jeep Misc

Variantes de produits

Description

🏷️ Basic Information

Identification

Make:

Model:

Production Years Covered:

1955-1975

Vin Structure Notes:

VIN structure varied significantly during this long production run. Manual provides guidance on identifying models by engine, body style, and serial numbers.

👋 Introduction

Market Position

Historical Context:

The CJ-6 was a longer wheelbase variant of the iconic Jeep CJ line, catering to a niche market seeking increased utility and cargo space compared to the standard CJ-5.

Competitive Analysis

Segment:

Light Utility Vehicle / Off-Road Vehicle

Key Features

Design Philosophy:

Rugged, utilitarian, and purpose-built for off-road capability and utility. Emphasized simplicity and durability.

Target Audience:

Individuals and organizations requiring a versatile off-road vehicle for work, recreation, or military applications.

📋 Manual Details

Coverage Areas

Manual Type:

Workshop Service Repair Manual

Language:

English

Format:

Downloadable Digital Format (Likely PDF)

Completeness:

Complete Official Full Factory Service Manual

Page Count

Estimated Page Count:

Varies significantly by specific year and engine. Expect several hundred pages for comprehensive coverage.

📖 Manual Coverage

Systems Covered

Powertrain:

Engine, Clutch, Transmission, Transfer Case, Drive Axles (Front & Rear), Propeller Shafts

Chassis:

Frame, Suspension (Front & Rear Leaf Spring), Steering System, Brake System (Drum & early Disc applications), Wheels & Tires

Electrical:

Wiring Diagrams, Lighting, Ignition System, Charging System (Generator/Alternator), Starting System, Gauges & Instruments, Accessories

Body:

Body Panels, Doors, Hood, Windshield Assembly, Seats, Interior Trim, Weather Stripping, Exterior Trim

Procedures Included

Routine Maintenance:

Oil Changes, Filter Replacements, Lubrication, Spark Plug Service, Coolant Checks, Belt Adjustments

Troubleshooting:

Diagnostic procedures for engine, transmission, braking, electrical, and other systems

Repair Overhaul:

Detailed step-by-step instructions for component disassembly, inspection, repair, and reassembly (e.g., engine rebuild, transmission overhaul, brake caliper replacement)

Specifications Data:

Torque values, clearances, fluid capacities, electrical specifications, alignment data

Technical Depth

Diagnostics:

Advanced diagnostic charts and procedures, including electrical system troubleshooting

Rebuild Procedures:

Comprehensive rebuild procedures for major components like engines, transmissions, and differentials

Illustrations Diagrams:

Includes exploded views, wiring diagrams, and schematic illustrations

📊 Manual Specifications

File Format

Digital Format:

Typically PDF, allowing for searchability and easy navigation. Quality of scans can vary.

Print Quality

Digital Quality:

Professional factory scans should offer clear text and legible diagrams. Check seller descriptions for quality assurance.

Binding Type

Physical Equivalent:

If a printed version exists, it would typically be a spiral-bound or perfect-bound manual for durability in a workshop environment.

Paper Type

Physical Equivalent:

High-quality, durable paper stock suitable for workshop use, often with a matte finish to reduce glare.

⚙️ Engine Specifications

Primary Engine

Engine Family 1:

Willys Hurricane F-Head Inline-4

Engine Displacement 1:

134 cubic inches (2.2 liters)

Engine Horsepower 1:

Approx. 75 hp @ 4000 RPM

Engine Torque 1:

Approx. 114 lb-ft @ 2000 RPM

Performance

Engine Family 2:

Kaiser-Jeep Dauntless V6 (Later models)

Engine Displacement 2:

225 cubic inches (3.7 liters)

Engine Horsepower 2:

Approx. 155 hp @ 4200 RPM

Engine Torque 2:

Approx. 220 lb-ft @ 2400 RPM

Fuel System

Carburetion:

Single-barrel downdraft carburetor (e.g., Carter YF for Hurricane, Rochester/Holley for Dauntless)

Fuel Type:

Unleaded Gasoline

🔧 Transmission

Standard

Transmission Type 1:

Warner T-90 3-speed manual transmission

Optional

Transmission Type 2:

T-14/T-15 3-speed manual transmission (later models)

Features

Transfer Case:

Dana Spicer 18 (2WD/4WD with high/low range)

📐 Dimensions

Exterior

Wheelbase:

104 inches (2641.6 mm)

Overall Length:

Approx. 150.7 inches (3827.8 mm) - varies slightly with bumper options

Overall Width:

Approx. 67.7 inches (1720 mm)

Overall Height:

Approx. 63.5 inches (1612.9 mm) - varies with top and tire size

Weights

Curb Weight:

Approx. 2800-3200 lbs (1270-1451 kg) - varies by configuration

🛡️ Safety Features

Ratings

Crash Test Data:

No formal crash test ratings from modern organizations due to the era of production. Design prioritizes off-road capability over occupant safety in high-speed impacts.

Active Features

Braking System:

Hydraulic drum brakes on all four wheels. Later models may have offered optional front disc brakes.

Passive Features

Seatbelts:

Typically lap belts. Shoulder belts were not standard or commonly available for much of this production run.

Roll Over Protection:

Basic roll bar or hoop structure provided with some soft tops and hardtops. Not engineered to modern ROPS standards.

💡 Technology Features

Infotainment

Radio:

Typically AM radio as an option. No advanced infotainment systems available for this model.

Driver Assistance

Not available.

Airbags:

Not available.

Connectivity

Bluetooth:

Not available.

🔧 Maintenance

Service Intervals

Engine Oil Change:

Typically every 3,000 miles or 6 months. Refer to specific year for exact recommendation.

Transmission Fluid Change:

Manual transmission fluid inspected at regular intervals, changed as needed or every 20,000-30,000 miles. Transfer case and differentials also require fluid checks and changes.

Tune Up Schedule:

Periodic spark plug replacement, ignition timing adjustments, and carburetor tuning were common.

Fluid Specifications

Engine Oil:

API SG/SF service classification, SAE 10W-30 or 10W-40. For older engines with flat tappets, a high zinc content oil (ZDDP) is often recommended. Manual will specify exact viscosity based on temperature.

Transmission Fluid:

GL-4 gear oil, SAE 80W-90 for manual transmissions. Automatic transmission fluid (if equipped) would be Type A or Dexron.

Coolant:

Ethylene glycol-based antifreeze. 50/50 mix with distilled water. Capacity varies by engine, typically 10-12 quarts.

Known Issues

Engine Common Problems:

The Hurricane engine can be prone to oil consumption and head gasket issues. Overheating due to radiator efficiency and fan design can occur. Valve seat recession on unleaded fuel for earlier engines.

Transmission Common Problems:

Wear in synchronizers and bearings for manual transmissions. Transfer case chain stretch or wear.

Chassis Common Problems:

Frame rust, especially near spring mounts and outriggers. Bushing wear in suspension and steering components. Brake drum expansion and shoe scoring.

Electrical Common Problems:

Corrosion in wiring connectors, failing generator/alternator output, switch failures, and grounding issues.

📚 Vehicle History

Brand Heritage

Jeep Legacy:

Carries the renowned Jeep legacy of military-derived, rugged, and go-anywhere capability, tracing lineage back to the original Willys MB.

Model Evolution

Cj Series:

Part of the Civilian Jeep (CJ) line, representing a durable civilian adaptation of the military Jeep. The CJ-6 was introduced to offer more utility than the CJ-5.

Production

Manufacturing Location:

Toledo, Ohio, USA

Ownership Changes:

Produced under Willys-Overland, Kaiser-Jeep, and American Motors Corporation (AMC) ownership during its lifespan.

🏆 Awards & Recognition

Recognitions

Off Road Icon:

Recognized as a classic and iconic off-road vehicle, prized for its simplicity, durability, and capability.