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Introduction
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Market Position
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Original Market:
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Full-size, body-on-frame SUV popular for off-road capability and utility.
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Competitive Analysis
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Competitors 1979:
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Ford Bronco, Chevrolet Blazer/K5 Blazer, Dodge Ramcharger.
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Key Features
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Off Road Capability:
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Renowned for its robust 4WD system, high ground clearance, and durable construction.
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Utility:
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Versatile vehicle for families, outdoor enthusiasts, and work purposes.
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Manual Purpose
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Value Proposition:
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Provides essential factory information for maintaining, diagnosing, and repairing the 1979 Jeep Cherokee Wide Track Sport.
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Manual Coverage
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Systems Covered
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Engine:
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Detailed information on engine diagnostics, overhaul, and component repair.
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Transmission:
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Coverage of manual and automatic transmission systems, including maintenance and repair.
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Drivetrain:
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Focus on 4-wheel drive system, transfer case, axles, and driveshafts.
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Suspension:
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Front and rear suspension components, steering, and alignment procedures.
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Brakes:
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Service and repair for brake systems, including drums, discs, and hydraulic components.
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Electrical System:
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Wiring diagrams, component testing, charging system, ignition system, and lighting.
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Fuel System:
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Carburetor (likely Rochester Quadrajet or similar), fuel pump, and fuel lines.
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Cooling System:
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Radiator, water pump, thermostat, and fan clutch service.
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Exhaust System:
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Catalytic converter (if applicable for '79 emissions), muffler, and pipe maintenance.
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Body And Frame:
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Body panel repair, door mechanisms, glass, and frame inspection.
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Interior:
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Seat removal, dashboard components, and trim panel service.
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Procedures Included
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Maintenance:
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Scheduled maintenance, lubrication, fluid changes, filter replacements.
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Diagnostics:
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Troubleshooting guides, symptom-based diagnostics, and fault finding.
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Repair:
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Step-by-step repair instructions for all major vehicle systems.
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Overhaul:
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Complete engine and transmission overhaul procedures.
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Adjustment:
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Adjustments for carburetor, brakes, clutch, and other systems.
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Specifications:
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Torque specifications, clearances, and critical measurement data.
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Wiring Diagrams:
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Detailed electrical schematics for all circuits.
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Technical Depth
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Depth:
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Factory-level detail for professional technicians and advanced DIY enthusiasts.
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Engine Specifications
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Primary Engine
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Engine Options Likely:
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Could include AMC 258 cu in (4.2L) inline-6 or AMC 360 cu in (5.9L) V8.
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Performance
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Horsepower Range Estimated:
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Approx. 110-125 hp for 4.2L, 170-195 hp for 5.9L (specific figures vary by year and tune).
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Torque Range Estimated:
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Approx. 200-220 lb-ft for 4.2L, 280-320 lb-ft for 5.9L.
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Fuel System
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Carburetor Type:
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Likely a 2-barrel or 4-barrel carburetor (e.g., Rochester Quadrajet).
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Fuel Type:
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Unleaded gasoline.
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Cooling System Type
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Cooling Type:
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Pressurized liquid cooling system.
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Ignition System
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Ignition Type:
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Conventional breaker point ignition or early electronic ignition (e.g., Prestolite).
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Transmission
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Standard
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Standard Transmission Likely:
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3-speed manual transmission (e.g., SM400).
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Optional
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Optional Transmission Likely:
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3-speed or 4-speed automatic transmission (e.g., Turbo Hydramatic 350/400).
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Features
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Transfer Case:
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New Process 208 or similar full-time 4WD transfer case (specific to Wide Track designation).
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Fluid Specifications
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Automatic Transmission Fluid:
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Likely Dexron-III or equivalent (check specific manual for exact spec).
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Manual Transmission Fluid:
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GL-4 or GL-5 gear oil (e.g., 80W-90).
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Maintenance
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Service Intervals
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Oil Change Interval:
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Typically 3,000-5,000 miles or 3-6 months (refer to manual for exact '79 specs).
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Tune Up Interval:
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Spark plugs, points, and condenser every 15,000-25,000 miles.
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Fluid Specifications
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Engine Oil:
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API SG or SF rated, SAE 10W-30 or 10W-40 (refer to manual for exact recommendation).
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Coolant:
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50/50 mixture of ethylene glycol antifreeze and water.
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Brake Fluid:
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DOT 3 or DOT 4 hydraulic brake fluid.
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Power Steering Fluid:
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ATF Dexron-II or Dexron-III.
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Known Issues
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Common Problems 1979:
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Rust (especially wheel wells, rocker panels, tailgate), carburetor tuning issues, aging electrical components, worn suspension bushings.
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Filter Part Numbers
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Oil Filter Example:
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e.g., Fram PH8A, Wix 51085 (verify for specific engine).
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Air Filter Example:
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e.g., Fram CA1031PL (verify for specific engine).
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