🏷️ Basic Information Identification Make: Jeep Model: Cherokee, Wagoneer, Comanche Years Covered: 1988-1990 Vehicle Type: Sport Utility Vehicle (SUV) and Pickup Truck 👋 Introduction Market Position Target Audience: Jeep owners, mechanics, parts suppliers, restorers, and DIY enthusiasts performing repairs and maintenance Value Proposition: Provides the definitive OEM source for identifying and ordering correct replacement parts, ensuring vehicle authenticity and proper function Competitive Analysis Alternative Resources: Aftermarket parts catalogs, online parts databases (e.g., Mopar official), general repair manuals (e.g., Haynes, Chilton) Key Features Primary Benefit: Accurate part number identification for a precise fit, crucial for maintaining the integrity of the vehicle and avoiding incorrect purchases Historical Significance: Essential for preserving original specifications during restoration projects 📋 Manual Details Coverage Areas Manual Type: Parts Catalog Language: English Format: Likely printed publication; potential for PDF availability for sale Coverage Scope: Comprehensive parts listing for specified Jeep models 📖 Manual Coverage Systems Covered Engine Components: Engine block, cylinder head, pistons, crankshaft, camshaft, valves, timing components, lubrication system, cooling system, fuel system, ignition system, exhaust system Transmission Drivetrain: Manual and automatic transmissions, transfer cases (e.g., NP231, NP242), axles, driveshafts, CV joints, differentials Suspension Steering: Front and rear suspension components (leaf springs, coil springs, control arms, shocks, bushings), steering gear, steering column, power steering system Brakes: Brake master cylinder, brake lines, calipers, wheel cylinders, brake pads, brake shoes, parking brake system Electrical System: Wiring harnesses, battery, alternator, starter, fuses, relays, lighting components, switches, sensors, instrument cluster Body Chassis: Body panels, doors, fenders, hood, tailgate, bumpers, frame components, interior trim, seats, glass, weatherstripping HVAC: Heater core, A/C compressor, condenser, evaporator, blower motor, ducting, controls Fuel Tank System: Fuel tank, fuel pump, fuel lines, fuel filter Wheels Tires: Wheels, lug nuts, tires (part numbers may not be listed, but related hardware will be) Procedures Included Part Identification: Identification of all OEM replacement parts with associated part numbers, diagrams, and illustrations Assembly Disassembly: Detailed breakdown of component assemblies and sub-assemblies, illustrating how parts fit together Component Location: Visual guides to locate specific parts on the vehicle Cross Referencing: Potential for cross-referencing with superseded or updated part numbers Technical Depth Depth Level: Detailed OEM parts breakdown; does not typically include diagnostic procedures or repair instructions, but is essential for sourcing correct components for repair 📊 Manual Specifications File Format File Format Type: N/A (Assumed printed, but PDF versions often available for sale) Print Quality Print Quality Level: High-quality original OEM printing; digital reproductions vary Binding Type Binding Method: Likely spiral-bound or perfect-bound for ease of use in a workshop environment Paper Type Paper Quality: Durable paper stock suitable for shop environments, often glossy or semi-gloss for diagrams Page Count Estimated Page Count: Estimated 500-1500+ pages, depending on the number of models and options covered Illustration Quality Illustration Type: Line art diagrams and exploded views of components ⚙️ Engine Specifications Primary Engine Engine Options Cherokee Wagoneer: 4.0L (242ci) inline-6 (I6) OHV; 2.5L (150ci) inline-4 (I4) OHV Engine Options Comanche: 4.0L (242ci) inline-6 (I6) OHV; 2.5L (150ci) inline-4 (I4) OHV; 4.0L (242ci) High Output inline-6 (I6) OHV (later in the period) Performance 4.0L I6 Horsepower 4.0L I6: Approximately 177-182 hp @ 4200-4700 rpm (varies slightly by year and specific engine calibration) Torque 4.0L I6: Approximately 220-225 lb-ft @ 2000-3200 rpm (varies slightly by year and specific engine calibration) Performance 2.5L I4 Horsepower 2.5L I4: Approximately 105-125 hp @ 4000-4800 rpm (varies slightly by year and specific engine calibration) Torque 2.5L I4: Approximately 130-140 lb-ft @ 2000-2400 rpm (varies slightly by year and specific engine calibration) Fuel System Fuel Delivery: Electronic Multi-Port Fuel Injection (MPI) Engine Codes Common Engine Codes: AMC 242 (4.0L I6), AMC 150 (2.5L I4) 🔧 Transmission Standard Manual Transmission Options: Aisin-Warner AX-5 (4-cyl), AX-15 (6-cyl) Optional Automatic Transmission Options: Chrysler 30-speed automatic (e.g., 30RH) Features Transfer Case Options: New Process NP231 (Command-Trac 2-speed part-time 4WD), NP242 (Selec-Trac 2-speed full-time/part-time 4WD) Fluid Specifications Manual Transmission Fluid: GL-3 or GL-4 gear oil, viscosity often 75W-90 or 80W-90 (refer to specific manual for exact spec) Automatic Transmission Fluid: ATF+3 or equivalent (check service manual for precise specification) 📐 Dimensions Exterior Cherokee Wheelbase Cherokee: 108.7 inches (2761 mm) Length Cherokee: Approx. 173-184 inches (4400-4700 mm), depending on trim and bumper style Exterior Comanche Wheelbase Comanche: 119.9 inches (3045 mm) for short bed, 131.4 inches (3338 mm) for long bed Bed Length Comanche: 6 feet (short bed), 7 feet (long bed) Weights Curb Weight Cherokee: Approx. 3200-3700 lbs (1450-1680 kg), varies by configuration Towing Capacity: Up to 5,000 lbs (2268 kg) when properly equipped Payload Capacity Comanche: Up to ~1,400 lbs (635 kg) Wheel Bolt Pattern: 5x4.5 inches (5x114.3 mm) 🛡️ Safety Features Ratings NHTSA Ratings: Specific NHTSA ratings for these years are not as detailed as modern standards; generally considered robust for their era Active Features Four Wheel Drive Systems: Command-Trac (part-time), Selec-Trac...