🏷️ Basic Information Identification Make: Jeep Model: Comanche Year: 1990 Body Style: Pickup Truck Codes Chassis Code: XJ 👋 Introduction Market Position Segment: Compact Pickup Truck Target Audience: Jeep enthusiasts, DIY mechanics, professional technicians Competitive Analysis Key Competitors: Ford Ranger, Chevrolet S-10, Toyota Hilux (excluding North America) Key Features Vehicle Jeep Heritage: Built on the robust XJ Cherokee platform, offering legendary Jeep capability Off Road Prowess: Renowned for its off-road capabilities, especially with optional Command-Trac 4WD Versatility: Combines utility of a pickup with the comfort and handling of an SUV Manual Value Proposition Essential Resource: Indispensable for accurate maintenance, troubleshooting, and repair 📋 Manual Details Coverage Areas Primary Coverage: Full Service and Repair Geographic Scope: Global (Mechanic Standard) Page Count Estimated Pages: 1000+ Manual Type Type: Workshop Manual / Service Repair Manual Language Language: English Format Format: Digital (Likely PDF, Searchable) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, diagnosis, repair procedures for all engine variants Engine Performance: Tuning, emissions control systems, fuel injection, ignition system diagnostics Transmission Manual: Disassembly, assembly, repair, and adjustment for manual transmissions Transmission Automatic: Diagnosis, repair, and overhaul procedures for automatic transmissions Drivetrain 4Wd: Transfer case operation, front/rear axle service, CV joints, driveshafts Suspension Front: Coil spring independent front suspension (IFS) service, alignment, components Suspension Rear: Leaf spring solid rear axle service, components Brakes System: Disc front, drum rear brake system service, hydraulic system, ABS (if equipped) Steering System: Power steering system service, steering gearbox, tie rods Electrical System: Wiring diagrams, charging system, starting system, lighting, accessories Body And Chassis: Frame repair, body panel replacement, doors, glass, interior trim HVAC System: Heating, ventilation, and air conditioning system diagnosis and repair Procedures Included Maintenance: Scheduled maintenance intervals, oil changes, filter replacements, fluid checks Troubleshooting: Diagnostic flowcharts and symptom-based troubleshooting for common problems Repair: Step-by-step repair instructions for all major components and systems Overhaul: Detailed procedures for engine, transmission, and differential overhauls Diagnostics: Electrical system diagnostics, engine performance analysis, fuel system testing Installation: Instructions for component replacement and accessory installation Technical Depth Depth Level: Comprehensive (from basic maintenance to complete rebuilds) Diagnostic Capability: Advanced diagnostic procedures, including electrical testing and component testing Torque Specifications: All essential torque specifications for fasteners across all systems Clearances Tolerances: Precise specifications for engine and transmission component clearances 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Text-searchable for quick information retrieval Printable: Printable pages for workshop use Print Quality Image Resolution: High-resolution for clear diagrams and illustrations Diagrams Illustrations: Detailed, clear exploded views and schematics Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code 2 5L: AMC 150 Displacement 2 5L: 2.5 Liters (150.5 cubic inches) Configuration 2 5L: Inline 4-Cylinder, Overhead Valve (OHV) Bore Stroke 2 5L: 3.875 in x 3.25 in (98.4 mm x 82.5 mm) Compression Ratio 2 5L: 8.8:1 Horsepower 2 5L: 121 hp @ 4800 rpm Torque 2 5L: 165 lb-ft @ 2400 rpm Optional Engine Engine Code 4 0L: AMC 242 Displacement 4 0L: 4.0 Liters (241.8 cubic inches) Configuration 4 0L: Inline 6-Cylinder, Overhead Valve (OHV) Bore Stroke 4 0L: 3.875 in x 3.414 in (98.4 mm x 86.7 mm) Compression Ratio 4 0L: 8.8:1 Horsepower 4 0L: 177 hp @ 4700 rpm Torque 4 0L: 220 lb-ft @ 3200 rpm Fuel System Fuel Delivery: Multi-Point Fuel Injection (MPFI) Fuel Type: Unleaded Gasoline (87 Octane Recommended) Ignition System Ignition Type: Distributorless Ignition System (DIS) with Crankshaft Position Sensor 🔧 Transmission Standard Transmission Type 2 5L: Aisin AX-5 5-Speed Manual Type 4 0L: Aisin AX-4000 5-Speed Manual (Optional on some trims) Optional Transmission Type Automatic: Chrysler (F) A904 3-Speed Automatic Type Automatic 4 0L: Chrysler (A) 42RE 4-Speed Automatic with Overdrive (Optional on 4.0L) Features Transfer Case: Command-Trac NV242 (Full-time 4WD, Part-time 2WD/4WD) or Selec-Trac (if applicable) Clutch Type: Dry single plate, hydraulically actuated Fluid Specifications Manual Manual Transmission Fluid: API GL-5, SAE 75W-90 or 80W-90 Gear Oil Fluid Specifications Automatic Automatic Transmission Fluid: Chrysler ATF+3 (or equivalent) 📐 Dimensions Exterior Wheelbase Short Bed: 113.0 inches Wheelbase Long Bed: 125.0 inches Length Short Bed: 177.4 inches Length Long Bed: 209.4 inches Width: 71.2 inches Height: 66.0 inches Cargo Bed Length Short: 6 feet Bed Length Long: 7 feet Weights Curb Weight Approx: 3400 - 3900 lbs (depending on configuration) Gvwr Approx: 4600 - 5300 lbs Towing Capacity Max: Up to 5000 lbs (with proper equipment and engine) Payload Capacity Max: Up to 1500 lbs Suspension Front Suspension Type: Independent Front Suspension (IFS) with Coil Springs Rear Suspension Type: Solid Rear Axle with Leaf Springs Wheels Tires Standard Wheel Size: 15 inch Standard Tire Size: P215/75R15 (may vary by trim and configuration) Bolt Pattern: 5x114.3 mm (5x4.5 inches) 🛡️ Safety Features Ratings NHTSA Rollover Resistance: Not rated or generally considered acceptable for...