🏷️ Basic Information Identification Make: Jeep Model: Comanche (MJ) Product Name: Jeep Comanche MJ 1984-1996 Workshop Service Manual Repair Codes Chassis Code: MJ 👋 Introduction Market Position Category: Compact Pickup Truck Competitive Analysis Competitors: Ford Ranger, Chevrolet S-10, Nissan Hardbody, Toyota Pickup Key Features Unique Selling Points: Off-road capability inherited from Jeep heritage, rugged construction, available with Jeep's iconic 4x4 system. Manual Usability Target Audience: Professional technicians and do-it-yourself mechanics. Value Proposition: Enables owners to perform maintenance and repairs, saving on labor costs and ensuring proper vehicle upkeep. 📋 Manual Details Coverage Areas Applicable Years: 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996 Manual Type Type: Workshop Service Manual / Repair Manual Language Language: English Format Delivery Method: Instant Download File Format: PDF 📖 Manual Coverage Systems Covered Engine: Detailed information on all available gasoline and diesel engines, including disassembly, inspection, assembly, and troubleshooting. Transmission: Coverage for manual and automatic transmissions, including removal, installation, overhaul, and fluid specifications. Drivetrain: Detailed procedures for 2WD and 4WD systems, including transfer cases, differentials, axles, and driveshafts. Suspension: Front and rear suspension components, including coil springs, leaf springs, shock absorbers, control arms, and alignment procedures. Steering: Power steering system components, including pump, gearbox, steering column, and tie rods. Brakes: Hydraulic brake systems, including master cylinder, power booster, brake lines, calipers, drums, and ABS systems (if applicable). Electrical: Comprehensive electrical system coverage, including battery, alternator, starter, ignition system, lighting, and accessory circuits. Body: Body panel removal/installation, interior trim, doors, glass, and body hardware. HVAC: Heating, ventilation, and air conditioning system diagnosis and repair. Fuel: Fuel tank, fuel pump, fuel lines, and fuel injection system (if applicable). Cooling: Radiator, water pump, thermostat, cooling fan, and coolant specifications. Procedures Included Maintenance: Routine scheduled maintenance, including oil changes, filter replacements, tune-ups, and fluid checks. Troubleshooting: Systematic diagnostic procedures and common fault finding for various vehicle systems. Repair: Step-by-step instructions for component removal, repair, and reinstallation. Overhaul: Detailed instructions for complete engine, transmission, and differential rebuilds. Wiring Diagrams: Comprehensive electrical wiring diagrams for all major systems. Technical Depth Depth: Professional technician level with detailed diagnostic procedures, specifications, and overhaul instructions, suitable for advanced DIY mechanics. 📊 Manual Specifications File Format Print Quality: Full Printable Zoom Capability: YES Binding Type Binding: Digital (PDF) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Options: 2.5L AMC I4, 2.8L GM V6 (LG7), 4.0L AMC I6 (7120), 2.1L Peugeot Turbo Diesel (J8S) Performance 2.5L I4 (Early): 115 hp @ 4800 rpm, 190 lb-ft @ 2400 rpm (approx.) 4.0L I6 (Later): 177 hp @ 4700 rpm, 220 lb-ft @ 3200 rpm (approx.) Fuel System Fuel Delivery: Carbureted (early models), Electronic Fuel Injection (EFI) for later models. Engine Features Valve Train: OHV (Overhead Valve) 🔧 Transmission Standard Standard Transmission: 4-speed manual (various ratios) Optional Optional Transmission: 3-speed automatic (TorqueFlite A904), 4-speed automatic (AW4) Features Transfer Case: Command-Trac (NV231) part-time 4WD, Selec-Trac (NV242) full-time 4WD (optional). 📐 Dimensions Exterior Wheelbase: 113.0 inches (Standard Cab), 125.0 inches (Long Bed) Bed Lengths: 6-foot bed, 7-foot bed Weights Curb Weight: Approx. 3,200 - 4,000 lbs (depending on configuration) Gross Vehicle Weight Rating: Varies by configuration, typically 4,600 - 5,500 lbs 🛡️ Safety Features Ratings Crash Test Results: Limited official crash test data available for this era of pickup trucks; generally considered robust for its class. Passive Features Passive Safety: Seat belts, reinforced cabin structure. 💡 Technology Features Infotainment Infotainment Features: Basic AM/FM radio, optional cassette player. No integrated navigation or advanced connectivity features typical of modern vehicles. Driver Assistance Driver Assistance: None from the factory; this is a utilitarian vehicle from a less electronically reliant era. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-5,000 miles or 6 months, depending on driving conditions (refer to manual for specifics). Tune Up Interval: Spark plugs, distributor cap/rotor, filters typically every 30,000 miles. Fluid Specifications Engine Oil: 10W-30 or 10W-40 (check manual for exact viscosity based on temperature and engine type). Coolant: Conventional green ethylene glycol based coolant (50/50 mix with distilled water). Transmission Fluid Auto: ATF+3 or equivalent (refer to manual for specific type like Dexron/Mercon compatibility). Brake Fluid: DOT 3 Known Issues Common Problems: Rusty unibody (especially rear quarters and rocker panels), aged electrical connectors, potential head gasket issues on some engines, worn suspension bushings. 📚 Vehicle History Brand Heritage Jeep Legacy: Built on the Cherokee (XJ) platform, sharing its unibody construction and robust mechanicals, renowned for off-road prowess. Model Evolution Production Period: 1984-1992 (with a brief resurgence in 1996 for certain export markets, though the manual covers up to '96 based on product description). Production Manufacturing Plant: Toledo, Ohio, USA 🏆 Awards & Recognition Recognitions Industry Recognition: While the Comanche itself didn't win specific awards as a standalone model, it leveraged the strong reputation of the Jeep brand and the...