🏷️ Basic Information Identification Make: Jeep Model: Comanche Year: 1988 Generation Generation Designation: First Generation (XJ-based) Codes Chassis Code: XJ 👋 Introduction Market Position Vehicle Segment: Compact Pickup Truck Jeep Role: Jeep's first entry into the compact pickup truck market, leveraging the popular XJ Cherokee platform for a robust and capable offering. Competitive Analysis Key Competitors: Ford Ranger, Chevrolet S-10, Nissan Hardbody, Toyota Pickup Key Features Platform Sharing: Shared platform and many components with the Jeep Cherokee (XJ), contributing to its renowned off-road capability and durability. Unique Selling Points: Unibody construction for a lighter and more compliant ride compared to body-on-frame competitors, available 4WD system (Command-Trac) with low-range gearing, robust Mopar aftermarket support. 📋 Manual Details Coverage Areas Primary Coverage: Service, Repair, Maintenance, Troubleshooting, Diagnostics Secondary Coverage: Electrical Schematics, Wiring Diagrams, Specifications, Component Identification Page Count Estimated Pages: 1000+ Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English Format Format: Digital (likely PDF, searchable) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, cooling system, exhaust system, lubrication system Drivetrain: Manual transmission, automatic transmission, transfer case, front axle, rear axle, drive shafts, differentials, CV joints Chassis: Frame and body, suspension (front and rear), steering system, brake system (hydraulic, parking) Electrical: 12V electrical system, battery, charging system (alternator), starting system (starter), lighting system, ignition system, instrumentation, body electrical (wipers, horn, etc.), power accessories (windows, locks), trailer wiring HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system components and service Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, lubrication points Repair: Component removal, installation, adjustment, and repair for all major systems Troubleshooting: Diagnostic charts, symptom-based troubleshooting guides, common problem identification and solutions Diagnostics: Electrical diagnostic procedures, fuel system pressure testing, ignition timing checks Technical Depth Depth: Comprehensive, covering everything from basic maintenance to full engine and transmission rebuilds, including detailed torque specifications and alignment procedures. 📊 Manual Specifications File Format Digital Format: PDF Searchability: Likely text-searchable for efficient information retrieval. Print Quality Digital Quality: High-resolution scans or original digital files, ensuring clarity of text and diagrams. Binding Type Physical Binding Style: N/A (Digital Product) Paper Type Physical Paper Type: N/A (Digital Product) ⚙️ Engine Specifications Primary Engine Engine Code And Description: 4.0L (242 cu in) Inline-6 'High Output' (OHV) Engine Code And Description Optional: 2.5L (150 cu in) Inline-4 'Tech' (OHV) Performance Horsepower 4.0L: 173 hp @ 4700 rpm Torque 4.0L: 220 lb-ft @ 3200 rpm Horsepower 2.5L: 125 hp @ 4800 rpm Torque 2.5L: 150 lb-ft @ 2400 rpm Fuel System Fuel Delivery System: Electronic Fuel Injection (EFI) - Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded gasoline Technical Details Bore Stroke 4.0L: 3.88 in x 3.41 in (98.5 mm x 86.7 mm) Bore Stroke 2.5L: 3.88 in x 3.18 in (98.5 mm x 80.8 mm) Compression Ratio 4.0L: 8.8:1 Compression Ratio 2.5L: 8.8:1 🔧 Transmission Standard Transmission Type Standard: 5-Speed Manual Transmission (Aisin AX-5 for 2.5L, AX-15 for 4.0L) Optional Transmission Type Optional: 3-Speed Automatic Transmission (TorqueFlite A904 for 2.5L), 4-Speed Automatic Transmission (TorqueFlite A727 for 4.0L) Features Transfer Case: Command-Trac NV231 (part-time, chain-driven, 2.72:1 low-range ratio) Rear Axle Options: Dana 35C (standard), Dana 44 (optional) Front Axle Options: Dana 30 (standard on 4WD) 📐 Dimensions Exterior Wheelbase Shortbed: 113.0 inches (2870 mm) Wheelbase Longbed: 125.0 inches (3175 mm) Length Shortbed: 179.2 inches (4552 mm) Length Longbed: 191.2 inches (4856 mm) Width: 72.2 inches (1834 mm) Height: 66.3 inches (1684 mm) Cargo Bed Length Shortbed: 6 feet Bed Length Longbed: 7 feet Weights Curb Weight Est: 3,200 - 3,800 lbs (1450 - 1725 kg) depending on configuration Payload Capacity Est: Up to 1,700 lbs (771 kg) Towing Capacity Est: Up to 5,000 lbs (2268 kg) with proper equipment 🛡️ Safety Features Ratings NHTSA Ratings 1988: Limited data available for this era; generally considered to have basic safety features. Active Features Braking System: Front Disc Brakes, Rear Drum Brakes (Optional Rear Disc on some models) ABS: Optional Anti-lock Braking System (ABS) on rear wheels Passive Features Seat Belts: Lap and shoulder belts (front), lap belts (rear) 💡 Technology Features Infotainment Audio System: Factory AM/FM radio, optional cassette player. Basic speaker setup. Driver Assistance Cruise Control: Optional Antilock Brakes: Optional rear-wheel ABS Connectivity Connectivity Features: Basic; no advanced connectivity or Bluetooth options. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 miles or 3 months (whichever comes first), or 5,000 miles if using synthetic oil and high-quality filter, per manual recommendations. Transmission Fluid Change: Every 30,000 miles for automatic, Every 50,000 miles for manual (check manual for specifics). Coolant Flush: Every 30,000 miles or 2 years. Fluid Specifications Engine Oil 4.0L: API SG or SH, SAE 10W-30 (check manual for temperature specific viscosity) Engine Oil 2.5L: API SG or SH, SAE 10W-30 (check manual for temperature specific viscosity) Transmission Fluid Auto: Chrysler...