🏷️ Basic Information

Make:

Jeep

Model:

CJ-6

Year:

1973

Production Code:

CJ-6

👋 Introduction

Positioning:

The Jeep CJ-6 was a longer-wheelbase variant of the iconic CJ line, designed for utility, off-road capability, and rugged versatility. It occupied a niche for those needing more cargo space or towing capacity than the standard CJ-5.

Competitors:

While direct competition was scarce for a true convertible 4x4 of this size, it competed against utilitarian vehicles like early Bronco 4x4s, and some truck-based utility vehicles depending on intended use.

Features:

Robust body-on-frame construction, solid axle suspension, excellent off-road articulation, distinctive Jeep styling, longer wheelbase for increased utility and passenger comfort compared to CJ-5.

📋 Manual Details

Systems Covered:

Engine, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical System, Fuel System, Cooling System, Exhaust System, Chassis, Body and Frame, Interior, Exterior components, HVAC

Page Count:

Detailed - Exact count not specified in product description, but described as 'full service and repair instruction' and 'All major topics are covered complete'.

Manual Type:

Service Repair Workshop Manual

Language:

English

Format:

Digital (Likely PDF, as is common for workshop manuals of this era for sale) or Printed. Product description does not specify format, but 'workshop manual' implies a comprehensive document.

📖 Manual Coverage

Engine:

Detailed diagnosis, repair, overhaul, and troubleshooting for all engine components. Includes timing, valve adjustments, carburetor service, cooling system.

Transmission:

Service and repair of manual transmissions (likely T-90 or T-14/T-15), including disassembly, assembly, gear inspection, and fluid specifications.

Drivetrain:

Front and rear axle service (likely Dana 30 front, Dana 44 rear), transfer case operation and repair, driveline maintenance, U-joints.

Suspension:

Front and rear leaf spring suspension service, shock absorber replacement, bushings, and related components.

Steering:

Steering gear box service, tie rod ends, drag links, power steering (if equipped), and alignment specifications.

Brakes:

Front and rear brake system service (likely drum brakes front and rear, with optional front discs), including master cylinder, wheel cylinders, brake shoes, drums, lines, and adjustment.

Electrical System:

Wiring diagrams, component testing and replacement (alternator, starter, ignition system, lighting, gauges, switches, fuses).

Fuel System:

Carburetor service (likely Carter or Holley), fuel pump, fuel lines, fuel tank inspection and service.

Cooling System:

Radiator, water pump, thermostat, hoses, fan, and coolant specifications.

Exhaust System:

Muffler, pipes, exhaust manifold, and gasket replacement.

Chassis And Frame:

Frame inspection, crossmembers, body mounts, lubrication points.

Body And Interior:

Door hinges, latches, windows, seats, dashboard components, trim panels, and convertible top mechanisms (if applicable).

Maintenance:

Oil changes, filter replacements, tune-ups, lubrication, fluid level checks, tire rotation, battery maintenance.

Troubleshooting:

Diagnostic procedures for common starting, running, and electrical issues, organized by symptom.

Repair:

Step-by-step instructions for component removal, disassembly, repair, reassembly, and installation for all covered systems.

Installation:

Guidance on installing common aftermarket accessories or replacement parts.

Depth:

Comprehensive: Covers everything from basic preventative maintenance to complete engine and transmission overhauls, including detailed diagnostic procedures and specifications for professional mechanics.

📊 Manual Specifications

File Format:

Likely PDF, digital format. Searchable text is highly probable for a quality digital manual. Printable pages are a standard expectation.

Print Quality:

High-quality scans or digital reproductions with clear diagrams and text. Original factory manuals often featured black and white illustrations.

Binding Type:

If printed: Likely spiral-bound or saddle-stitched for ease of use in a workshop environment. If digital, this attribute is not applicable.

Paper Type:

If printed: Durable paper stock suitable for workshop use, likely a matte finish to reduce glare. If digital, this attribute is not applicable.

⚙️ Engine Specifications

Engine Type:

Inline 6-Cylinder (likely AMC 232 cu in / 3.8L OHV)

Engine Displacement:

232 cubic inches (3.8 Liters)

Engine Bore X Stroke:

3.75 in x 3.50 in (95.25 mm x 88.9 mm)

Engine Compression Ratio:

Approximately 8.0:1 to 8.5:1 (depending on specific variant)

Horsepower Gross:

Approximately 145-150 hp @ 4000-4200 RPM (gross)

Torque Gross:

Approximately 205-210 lb-ft @ 1600-2000 RPM (gross)

Fuel Delivery:

Single Barrel Carburetor (likely Carter BBS or YF, or Holley 1920)

Fuel Type:

Unleaded gasoline

Ignition Type:

Breaker point ignition system, distributor, coil, spark plugs.

🔧 Transmission

Transmission Type:

3-Speed Manual Transmission (likely Borg-Warner T-90 or T-14/T-15)

Transmission Type:

Rarely, a 4-speed manual might have been an option, or a period-appropriate automatic (though less common for CJ models of this era).

Transfer Case:

2-speed manual transfer case (likely Dana 18 or Dana 20) with 2WD High, 4WD High, 4WD Low, and Neutral modes.

Transmission Fluid:

GL-4 Gear Lubricant (e.g., SAE 80W or 90W). Manual specifies exact type and capacity.

Transfer Case Fluid:

GL-4 Gear Lubricant (e.g., SAE 80W or 90W). Manual specifies exact type and capacity.

📐 Dimensions

Wheelbase:

104 inches (2642 mm)

Length:

Approximately 160-165 inches (4064-4191 mm) depending on body style and bumpers.

Width:

Approximately 62 inches (1575 mm) excluding fenders.

Height:

Approximately 66-70 inches (1676-1778 mm) depending on top and tire size.

Curb Weight:

Approximately 3000-3300 lbs (1360-1500 kg), varies with options.

Gross Vehicle Weight Rating:

Typically around 4750-5000 lbs (2154-2268 kg).

Cargo Volume:

Significantly more than CJ-5 due to longer rear body. Exact cubic footage not readily available but designed for cargo hauling and utility.

🛡️ Safety Features

Crash Testing Era:

Vehicles from this era underwent significantly less stringent crash testing than modern vehicles. Safety standards were minimal.

Active Safety:

Robust 4-wheel drive system for traction, effective braking (though often drum-based), predictable handling for its class.

Passive Safety:

Sturdy steel frame and body, seat belts (likely lap belts), roll bar (often optional or aftermarket).

💡 Technology Features

Infotainment System:

Basic: Likely an AM or AM/FM radio. No digital displays or advanced audio features expected.

Driver Assistance Features:

None. Vehicles of this era lacked modern driver-assistance systems.

Connectivity:

None. Basic electrical system focused on essential vehicle functions.

🔧 Maintenance

Oil Change Interval:

Typically every 3,000 miles or 6 months. Manual will specify exact intervals and oil type.

Tune Up Interval:

Every 12,000-15,000 miles or 12 months. Includes spark plugs, points, condenser, distributor cap/rotor, and carburetor adjustment.

Transmission Service:

Fluid change every 24,000-30,000 miles or as specified. Manual will detail exact requirements.

Engine Oil:

API Service Classification SG, SF, SE or older. Viscosity: SAE 10W-30 or SAE 10W-40 for general use. Manual will specify for temperature ranges.

Coolant:

Ethylene Glycol based antifreeze. 50/50 mix with distilled water. Manual specifies capacity and type.

Brake Fluid:

DOT 3 or DOT 4 hydraulic brake fluid (if disc brakes equipped). Drum brake systems may use specific types or require flushing.

Power Steering Fluid:

If equipped, typically Dexron-III compatible automatic transmission fluid or specified power steering fluid.

Common Problems:

Rust (especially on floors, rocker panels, and tailgate), carburetor tuning issues, weak ignition systems, wear in solid axles and leaf springs, potential for differential and transfer case leaks, aging rubber components (bushings, hoses, seals).

Oil Filter Example:

Cross-referenceable to common filters like Fram PH8A or Wix 51515 (verify with manual for exact fitment).

Air Filter Example:

Cross-referenceable to common filters for the 232 engine (verify with manual).

📚 Vehicle History

Brand Story:

Jeep has a legendary off-road heritage dating back to World War II. The CJ (Civilian Jeep) line continued this legacy post-war, evolving into the iconic personal off-road vehicle.

Cj Line History:

The CJ-6 was introduced in 1955 as a longer-wheelbase version of the CJ-5, offering more utility. While visually similar to the CJ-5, its extended chassis provided greater passenger and cargo capacity. It was produced for a shorter duration and in fewer numbers than the CJ-5.

Production Years:

CJ-6: 1955-1981 (though the 1973 model is a specific iteration within this broad range, with AMC ownership influence)

Manufacturing Location:

Toledo, Ohio, USA

🏆 Awards & Recognition

Off Road Awards:

Jeep vehicles, including the CJ line, are consistently recognized for their off-road prowess and iconic status. While specific 'awards' for the 1973 CJ-6 might not be cataloged, its enduring popularity and capability speak volumes.

Consumer Ratings:

Highly rated by off-road enthusiasts for its simplicity, ruggedness, and modification potential. Consumer ratings focus on utility and off-road performance rather than luxury or technology.

Safety Certifications:

No specific safety certifications as understood today. Built to meet the automotive standards of the early 1970s.