🏷️ Basic Information Identification Make: Jeep Model: Comanche Model Code: MJ Body Style: Pickup Truck Generation Generation Designation: First Generation (MJ) Codes Vin Prefix: 1J4 👋 Introduction Market Position Segment: Compact Pickup Truck Brand Association: Known for off-road capability and Jeep's robust heritage, adapted into a utilitarian pickup. Competitive Analysis Competitors: Ford Ranger, Chevrolet S-10, Toyota Hilux/Tacoma, Nissan Hardbody. Unique Selling Points: Available with Command-Trac or Selec-Trac 4x4 systems, unibody construction with a separate truck bed (similar to the XJ Cherokee), robust powertrain options. Key Features Platform Sharing: Shares platform and many components with the highly successful XJ Cherokee, offering a unique combination of SUV-like comfort and truck utility. Powertrain Options: Offered with both gasoline and diesel engine options, various transmission and 4x4 configurations. 📋 Manual Details Coverage Areas Covered Years: 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996 Covered Trims: Base, Sport, Pioneer, Chief, Laredo, Comanche Sport, Eliminator Page Count Estimated Pages: Approximately 1500+ Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, exhaust system, cooling system, lubrication system, engine diagnostics, manual transmission, automatic transmission, transfer case, drive axles, differentials. Chassis: Suspension (front and rear), steering system, braking system (front and rear), wheels and tires, frame and body mounting. Electrical: Lighting system, instrument cluster, power accessories, charging system, starting system, ignition system, infotainment system, wiring diagrams, diagnostic procedures for electrical faults. Body And Interior: Body panels, doors, windows, seats, interior trim, HVAC system, body repair, corrosion protection. Procedures Included Maintenance: Routine maintenance, fluid checks and changes, filter replacements, lubrication, tune-up procedures. Repair: Component removal and installation, rebuilding procedures for major assemblies (engine, transmission, axles), suspension and brake component replacement. Diagnostics: Troubleshooting guides for common and intermittent faults, diagnostic trouble codes (DTCs) interpretation (where applicable for the era), electrical system troubleshooting flowcharts. Specifications: Torque specifications, alignment specifications, electrical component data, fluid capacities and types, engine data (bore, stroke, compression ratio). Technical Depth Depth: Comprehensive, covering everything from basic maintenance to complete engine and transmission overhauls. Includes detailed diagrams, exploded views, and step-by-step instructions for professional-level repairs. 📊 Manual Specifications File Format Quality: High-resolution scans, searchable text where OCR is applied, clear and legible diagrams. Print Quality Print Readability: Designed for clear printing on standard printers, ensuring readability of text and diagrams. Binding Type Binding: Digital (PDF) - No physical binding Paper Type Paper Type: Digital (PDF) - Not applicable ⚙️ Engine Specifications Primary Engine Engine 1 Name: 2.5L AMC I4 (150 cu in) Engine 1 Horsepower: Approx. 115-125 hp Engine 1 Torque: Approx. 140-150 lb-ft Engine 2 Name: 4.0L AMC I6 (242 cu in) 'High Output' Engine 2 Horsepower: Approx. 170-190 hp Engine 2 Torque: Approx. 220-240 lb-ft Engine 3 Name: 2.1L Renault/Jeep Turbodiesel (129 cu in) Engine 3 Horsepower: Approx. 85 hp Engine 3 Torque: Approx. 160 lb-ft Performance Fuel Type: Unleaded gasoline (91 octane recommended for 4.0L), Diesel fuel for turbodiesel variant. Fuel System Injection Type: Multi-point Fuel Injection (MPFI) for gasoline engines. 🔧 Transmission Standard Transmission 1: 4-speed automatic (e.g., AW4) Optional Transmission 2: 5-speed manual (e.g., AX-5, AX-15) Features Transfer Case Options: Command-Trac (2WD/4WD Part-Time) or Selec-Trac (2WD/4WD Full-Time with 2WD option). Drive Configuration: RWD or 4WD 📐 Dimensions Exterior Wheelbase Short Bed: 113.0 inches Wheelbase Long Bed: 125.0 inches Bed Length Short: 6 feet Bed Length Long: 7 feet Weights Curb Weight Approx: 3,000 - 3,800 lbs (depending on configuration) Payload Capacity Approx: 1,000 - 1,500 lbs Towing Capacity Approx: Up to 5,000 lbs 🛡️ Safety Features Ratings NHTSA Ratings: NHTSA ratings vary by year and specific test; generally considered to have adequate protection for its era. No specific rollover ratings typically available for this model. Active Features Braking System: Front disc brakes, rear drum brakes. Optional rear disc brakes on some models. ABS: Available on select later models, often only on rear wheels initially, later on all four. Passive Features Airbags: Driver-side airbag standard from 1994 onwards. Passenger airbag not available. Seat Belts: 3-point front seat belts, 2-point lap belts for rear passengers (if equipped). 💡 Technology Features Infotainment Audio System: Factory AM/FM radio, optional cassette player, optional CD player (late models). Speaker configurations varied by trim. Driver Assistance Cruise Control: Optional on most trims. Connectivity Interior Features: Manual window cranks, manual door locks standard. Power windows/locks available on higher trims. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 miles or 3 months, whichever comes first. Tune Up Interval: Every 30,000 miles (spark plugs, filters). Transmission Fluid Change: Every 30,000 - 60,000 miles, depending on driving conditions. Fluid Specifications Engine Oil Type: API SG or higher. SAE 10W-30 recommended for most conditions (check manual for specific temperature ranges). Coolant Type: Chrysler/Mopar Antifreeze/Coolant (Green) or equivalent ethylene glycol-based coolant. Transmission Fluid Type...