🏷️ Basic Information Identification Make: Jeep Model: Comanche Year: 1986 Product Type: Service Repair Workshop Manual 👋 Introduction Market Position Positioning: The Jeep Comanche (MJ) was a compact pickup truck produced by Jeep, a division of American Motors Corporation (AMC) from 1986 to 1992. It shared its platform and many components with the Jeep Cherokee (XJ). This manual positions itself as the essential resource for owners and mechanics working on the 1986 model year, offering professional-grade information. Competitive Analysis Competitors: Competed primarily with the Chevrolet S-10, Ford Ranger, and Toyota Pickup in the compact pickup truck segment. Its unique selling proposition was Jeep's off-road heritage and the availability of 4WD. Key Features Features: Designed to provide comprehensive repair and maintenance data, enabling users to perform a wide range of tasks, from routine servicing to major overhauls, mirroring the information used by authorized Jeep service centers. 📋 Manual Details Coverage Areas Engine: All engine options for 1986 Comanche Transmission: All transmission options for 1986 Comanche Drivetrain: 2WD and 4WD systems Suspension: Front and rear suspension systems Brakes: Front and rear brake systems, including parking brake Steering: Power steering system Electrical: Complete electrical system, including wiring diagrams and component testing Body: Exterior body panels, interior trim, doors, windows, and tailgate HVAC: Heating, ventilation, and air conditioning systems Fuel System: Fuel tank, pump, lines, and injection (if applicable) Cooling System: Radiator, fan, thermostat, and coolant passages Exhaust System: Exhaust manifold, pipes, muffler, and catalytic converter Chassis: Frame, axles, and suspension mounting points Diagnostic Troubleshooting: Fault finding procedures and common issue resolution Page Count Estimated Pages: Likely 500-1000+ pages, typical for a comprehensive workshop manual of this era Manual Type Type: Factory Authorized Service Manual / Workshop Manual Language Language: English Format Format: Physical Printed Manual (implied by sales context) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, rebuild procedures, cylinder head, pistons, crankshaft, camshaft, timing Engine Management: Ignition system, fuel injection (if applicable), sensors, ECU diagnostics Transmission Manual: Clutch, gear selection, internal components, fluid service Transmission Automatic: Torque converter, valve body, internal components, fluid service, shift control Transfer Case: 4WD system operation, disassembly, and service Axles Differentials: Front and rear axle disassembly, assembly, and fluid service Power Steering: Steering gear, pump, hoses, fluid service Brake System: Disc and drum brake service, hydraulic system, parking brake mechanism Lighting System: Headlights, taillights, interior lighting, bulb replacement Instrument Panel: Gauges, warning lights, instrument cluster removal and service Comfort Convenience: Power windows, power locks, seats, mirrors, wipers, horn Body Structure: Frame inspection, chassis components, mounting points Diagnostics: Troubleshooting charts, symptom-based diagnosis, electrical testing procedures Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt adjustments Component Removal Installation: Detailed steps for removing and reinstalling major and minor components Overhaul Rebuild: Complete procedures for engine, transmission, and differential rebuilds Torque Specifications: Critical torque values for all fasteners and assembly points Alignment: Wheel alignment specifications and adjustment procedures Diagnostics Troubleshooting: Step-by-step procedures for identifying and resolving common and uncommon issues Electrical Troubleshooting: Wiring diagram interpretation, circuit testing, continuity checks Technical Depth Depth: Comprehensive. Covers everything from basic maintenance to full engine and transmission rebuilds, including detailed electrical schematics and troubleshooting. 📊 Manual Specifications File Format Format: Printed Manual Print Quality Quality: High-quality paper and printing, designed for workshop use. Likely includes clear diagrams and illustrations. Binding Type Binding: Likely perfect bound or spiral bound for lay-flat usability in a workshop environment. Paper Type Paper: Durable, possibly coated paper to withstand grease and dirt in a workshop. ⚙️ Engine Specifications Primary Engine Engine Options: For 1986, the Comanche was offered with: 2.5L AMC 'Tech IV' (Pontiac Iron Duke derivative) I4, 4.0L AMC I6, 2.8L Chevrolet V6 (through an AMC-GM agreement). Performance 2 5L Displacement 2 5L: 2.5 Liters (150 cu in) Horsepower 2 5L: Approx. 115 hp Torque 2 5L: Approx. 130 lb-ft Performance 4 0L Displacement 4 0L: 4.0 Liters (242 cu in) Horsepower 4 0L: Approx. 173 hp Torque 4 0L: Approx. 220 lb-ft Performance 2 8L Displacement 2 8L: 2.8 Liters (173 cu in) Horsepower 2 8L: Approx. 110-115 hp Torque 2 8L: Approx. 145 lb-ft Fuel System Injection Type: Throttle Body Injection (TBI) for all engines in 1986. Cooling System Coolant Type: Conventional Ethylene Glycol based coolant. Manual will specify correct mixture and capacity. 🔧 Transmission Standard Standard Transmission: 4-speed manual (New Process NP4500 or equivalent) Optional Optional Transmission: 3-speed automatic (Chrysler A727 Torqueflite) or 4-speed automatic (Chrysler A904 Torqueflite) Features Drivetrain Options: Command-Trac part-time 4WD system, or 2WD. 📐 Dimensions Exterior Wheelbase Wheelbase: Short Bed: 113.3 inches (2878 mm); Long Bed: 124.9 inches (3172 mm) Exterior Length Length: Short Bed: 175.2 inches (4450 mm); Long Bed: 186.7 inches (4742 mm) Exterior Width Width: Approx. 72.4 inches (1839 mm) excluding mirrors Exterior Height Height: Approx. 65.6 inches (1666...