Jeep CJ 6 1955-1975 Workshop Service Repair Manual

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🏷️ Basic Information Identification Make: Jeep Model: CJ-6 Generation Generation: CJ Series (CJ-2A to CJ-8) Codes Production Code: CJ-6 👋 Introduction Market Position Historical Segment: Compact, rugged utility vehicle. Primarily...

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Taper: Car

Distributeur:

UGS: 441199

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:

Generation

Generation:

CJ Series (CJ-2A to CJ-8)

Codes

Production Code:

👋 Introduction

Market Position

Historical Segment:

Compact, rugged utility vehicle. Primarily served civilian and military markets seeking off-road capability and durability.

Competitive Analysis

Contemporaries:

Land Rover Series I/II, International Harvester Scout, early Ford Bronco.

Key Features

Utility Focus:

Renowned for its robust construction, simple mechanics, and exceptional off-road prowess, making it a versatile platform for work and recreation.

Long Wheelbase:

The CJ-6 is distinguished by its longer wheelbase compared to the CJ-5, offering increased cargo space and improved ride comfort.

📋 Manual Details

Coverage Areas

Covered Years:

1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975

Page Count

Estimated Page Count:

Variable (typically 500-800+ pages for comprehensive workshop manuals of this era)

Manual Type

Manual Type:

Workshop Service and Repair Manual

Language

Language:

English

Format

Format:

📖 Manual Coverage

Systems Covered

Powertrain:

Engine (F-head Hurricane, Dauntless V6, various inline-6 options), Transmission (T90, T86, T14, TH400, TH350, Dana 18, Dana 20 transfer cases), Drivetrain (front and rear axles, propeller shafts, hubs)

Chassis And Suspension:

Frame, leaf spring suspension (front and rear), steering system (manual and power steering options), braking system (drum brakes front and rear, hydraulic components)

Electrical System:

Ignition system, starting and charging system (generator/alternator), lighting system, wiring diagrams, dashboard instrumentation, accessories

Body And Interior:

Body panels, doors, windows, seats, interior trim, convertible top mechanisms, fenders, hood, grille

Procedures Included

Maintenance:

Routine maintenance, lubrication, fluid changes, filter replacement, tune-ups

Repair And Overhaul:

Engine rebuild, transmission overhaul, brake system repair, suspension component replacement, electrical system diagnostics and repair, bodywork repairs

Troubleshooting:

Diagnostic procedures for common mechanical and electrical faults, symptom-based troubleshooting guides

Specifications And Data:

Torque specifications, clearances, measurements, component identification, exploded views

Technical Depth

Depth Of Coverage:

Comprehensive; suitable for professional mechanics and experienced DIY enthusiasts. Covers disassembly, inspection, repair, assembly, and adjustment of all major vehicle components.

📊 Manual Specifications

File Format

PDF Quality:

High-resolution scans, typically searchable text where OCR is applied effectively. May contain original scan artifacts.

Print Quality

Printability:

Designed to be printable. Page layout optimized for standard printing formats.

Binding Type

Binding:

N/A (Digital PDF format)

Paper Type

Paper Type:

N/A (Digital PDF format)

⚙️ Engine Specifications

Primary Engine

Early Engine Option:

Willys-Overland Hurricane 'F-Head' Inline-4 (2.2L / 134 cu in)

Later Engine Option:

Kaiser Jeep Dauntless V6 (3.7L / 225 cu in OHV V6), also offered various inline-6 options (e.g., Chevrolet, Buick variants)

Performance

Hurricane Hp:

Approx. 60-75 hp

Dauntless V6 Hp:

Approx. 150-155 hp

Fuel System

Carburetor Type:

Single-barrel or two-barrel carburetor (e.g., Carter WCFB, Rochester)

Fuel Type:

Unleaded gasoline (early models may have been designed for leaded)

🔧 Transmission

Standard

Early Transmission:

Warner Gear T90 3-speed manual

Optional

Later Transmission Manual:

Warner Gear T86 3-speed manual, T14 3-speed manual

Automatic Transmission:

Turbo Hydramatic TH400, TH350 (3-speed automatic)

Features

Transfer Case:

Dana 18, Dana 20 (2-speed, part-time 4WD system)

Gear Ratios:

Variable by transmission and transfer case model. Manuals detail specific ratios for all options.

📐 Dimensions

Exterior

Wheelbase:

104 inches (2,642 mm)

Overall Length:

Approx. 153-160 inches (3,886-4,064 mm)

Overall Width:

Approx. 62-65 inches (1,575-1,651 mm)

Overall Height:

Approx. 66-70 inches (1,676-1,778 mm) (depending on top and configuration)

Weights

Curb Weight:

Approx. 3,000-3,400 lbs (1,360-1,542 kg)

Gross Vehicle Weight Rating Gvw:

Approx. 4,500-5,000 lbs (2,041-2,268 kg)

🛡️ Safety Features

Ratings

Crash Safety Data:

No standardized crash test ratings available for this era. Safety features were rudimentary by modern standards.

Active Features

Braking System:

Hydraulic drum brakes front and rear. Early models might have had less effective braking systems.

Passive Features

Seat Belts:

Optional or rudimentary lap belts in earlier models. 3-point belts may have been introduced or retrofitted later.

Rollover Protection:

No integrated roll cage; relies on windshield frame and body structure. Aftermarket roll bars are common.

💡 Technology Features

Infotainment

Original Infotainment:

Basic AM radio (optional), analog gauges (speedometer, fuel, temperature, oil pressure).

Driver Assistance

Driver Aids:

None by modern standards. Focus is on mechanical systems.

Connectivity

Connectivity Features:

None. Mechanical linkage and electrical circuits only.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 2,000-3,000 miles or 6 months (refer to manual for specific engine and oil type)

Tune Up Interval:

Every 10,000-15,000 miles (ignition components, carburetor adjustment, etc.)

Fluid Specifications

Engine Oil Grade:

API SG or SF rated, SAE 10W-30 or 10W-40 common (check manual for specific engine/climate)

Transmission Fluid:

GL-4 or GL-5 gear oil for manual transmissions (e.g., 80W-90); Dexron III/Mercon for automatic transmissions.

Coolant Type:

Ethylene Glycol based antifreeze/coolant, 50/50 mix with distilled water.

Known Issues

Frame Rust:

Prone to rust, especially around suspension mounting points and rear crossmembers. Regular inspection and treatment recommended.

Brake Wear:

Drum brakes require frequent adjustment and are less effective than modern disc brakes. Squealing and fading can occur.

Engine Seals:

Older engines may develop oil leaks from seals and gaskets (e.g., rear main seal, valve cover gaskets).

Carburetor Tuning:

Carburetors can be finicky and require regular cleaning and adjustment for optimal performance and fuel economy.

📚 Vehicle History

Brand Heritage

Jeep Legacy:

Direct descendant of the World War II Willys MB Jeep, establishing a reputation for ruggedness and off-road capability.

Model Evolution

Cj Series Development:

The CJ-6 was introduced as a longer-wheelbase variant of the CJ-5, offering greater utility and passenger/cargo capacity.

Production

Manufacturer:

Willys-Overland (until 1953), Kaiser-Jeep (1953-1970), American Motors Corporation (AMC) (1970-1983)

Production Period:

1955-1975 (for the CJ-6 model covered by this manual)

🏆 Awards & Recognition

Recognitions

Off Road Acclaim:

Universally recognized for its enduring off-road capability and iconic status among enthusiasts and collectors.

Ratings

Durability Reputation:

High reputation for durability and longevity when properly maintained, earning it a loyal following.