🏷️ Basic Information Identification Make: Jeep Model: Comanche Model Code: MJ Production Years: 1984-1992 (Note: Manual covers 1984-1996, implying potential for earlier/later variations or common documentation overlap) Generation Generation: First Generation 👋 Introduction Market Position Target Audience: Professional technicians, experienced DIY mechanics, and Jeep Comanche owners seeking detailed repair information. Competitive Analysis Manual Comparison: Offers comparable depth to factory service manuals and is more comprehensive than basic owner's manuals. Key Features Key Selling Points: Instant download, comprehensive coverage for an extended model range, step-by-step instructions, critical specifications, and illustrations. 📋 Manual Details Coverage Areas Coverage Years: 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996 Included Models: Jeep Comanche MJ (All trims and configurations) Page Count Page Count: Not Specified (PDF, typically comprehensive) Manual Type Manual Type: Service Repair Manual Manual Scope: Factory Service Manual equivalent, Owner's Manual content Language Language: English Format Format: PDF Download Delivery Delivery Method: Instant Download Requirements Software Requirements: Adobe PDF Reader, WinZip Compatibility Operating Systems: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Engine Mechanical: Full coverage including disassembly, inspection, repair, and reassembly of all engine components. Fuel System: Fuel injection systems, fuel pumps, fuel tanks, lines, and emissions control components. Ignition System: Ignition timing, spark plugs, coils, distributors (if applicable), and electronic control modules. Cooling System: Radiator, water pump, thermostat, cooling fans, and hoses. Lubrication System: Oil pump, oil filter, oil pan, and lubrication passages. Exhaust System: Exhaust manifolds, catalytic converters, mufflers, and pipes. Transmission Manual: Service and repair procedures for manual transmissions. Transmission Automatic: Service and repair procedures for automatic transmissions. Drivetrain: Transfer case, driveshafts, axles, differentials, and CV joints. Suspension System: Front and rear suspension components, including control arms, springs, shocks, and bushings. Steering System: Steering column, steering gear, power steering pump, and linkages. Brake System: Front and rear brakes (disc/drum), ABS system (if equipped), master cylinder, brake lines, and calipers/wheel cylinders. Electrical System: Wiring diagrams, charging system, starting system, lighting, accessories, and diagnostic trouble codes (DTCs). HVAC System: Heating, ventilation, and air conditioning system components and service. Body And Chassis: Body panel removal/installation, frame, doors, windows, bumpers, and interior trim. Body Electronics: Power windows, locks, mirrors, and related control modules. Diagnostic Troubleshooting: Extensive troubleshooting guides and flowcharts for various system issues. Procedures Included Maintenance Procedures: Scheduled maintenance, fluid changes, filter replacements, tune-ups, and inspections. Repair Procedures: Step-by-step repair instructions for all major vehicle systems. Disassembly Assembly: Detailed instructions for removing and reinstalling components and sub-assemblies. Cleaning Reinstallation: Guidelines for cleaning parts during service and proper reinstallation techniques. Torque Specifications: Essential torque values for all critical fasteners. Diagnostic Charts: Flowcharts for diagnosing electrical and mechanical problems. Troubleshooting Guides: Detailed troubleshooting trees and symptom-based diagnostic procedures. Technical Depth Depth Of Coverage: Comprehensive, suitable for professional technicians and advanced DIY mechanics. Skill Level Recommendation: Requires basic knowledge of electrical and mechanical concepts; advanced repairs may require specialized tools. Illustrations Diagrams: Includes illustrations, diagrams, and schematics crucial for understanding complex procedures. 📊 Manual Specifications File Format File Format: PDF Print Quality Printability: Full Printable Zoom Functionality: YES Binding Type Binding Type: Digital Download (No physical binding) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Options 1: 2.5L AMC I4 (150 ci) Engine Options 2: 4.0L AMC I6 (242 ci) - Popular performance option Engine Options 3: 2.1L VM Motori Turbo Diesel I4 (OM602 based) - Less common, diesel specific service may vary. Performance Horsepower 4.0L Approx: 173-190 hp (varies by year and spec) Torque 4.0L Approx: 220-245 lb-ft (varies by year and spec) Fuel System Fuel Injection Type: Multi-point Fuel Injection (MPI) for 4.0L, Throttle Body Injection (TBI) for 2.5L initially, transitioning to MPI. Technical Specs Block Material: Cast Iron Head Material: Aluminum (4.0L), Cast Iron (2.5L) Valvetrain 4.0L: Overhead Valve (OHV), 12 valves 🔧 Transmission Standard Manual Transmission Options: Aisin AX-5 (4-cyl/base 6-cyl), Aisin AX-15 (6-cyl) Optional Automatic Transmission Options: Chrysler/Jeep A904/A999 (2WD), Chrysler/Jeep A500/42RH (4WD, early models), Chrysler/Jeep 44RE (4WD, later models) Features Transfer Case Options: New Process NP207 (Command-Trac), New Process NP231 (Command-Trac), New Process NP242 (Selec-Trac) 📐 Dimensions Exterior Wheelbase Short: 113.0 inches Wheelbase Long: 120.0 inches Weights Curb Weight Approx Start: 3,400 lbs Curb Weight Approx End: 4,200 lbs 🛡️ Safety Features Ratings Crash Test Data: Limited publicly available NHTSA/IIHS data for MJ Comanche specifically due to its production era and platform sharing with Cherokee XJ. Active Features ABS: Available on later models (typically 4WD variants). Passive Features Airbags: Driver-side airbag introduced in later model years (around 1994/1995). Seatbelts: All seating positions equipped with lap and shoulder belts. 💡 Technology Features Infotainment Audio System: AM/FM radio, cassette player, optional CD player in later models. Basic speaker systems. Driver Assistance Cruise Control: Available as an option on most trims. Connectivity Connectivity Features: Limited to basic power accessories and optional...