🏷️ Basic Information Identification Make: Jeep Model: Cherokee Generation Codes: YJ (Wrangler - often grouped with Cherokee in early aftermarket manuals for shared components), XJ Year: 1987 👋 Introduction Market Position Segment: Compact SUV, Off-Road Vehicle Key Selling Points: Ruggedness, off-road capability, relatively simple mechanicals, iconic design Competitive Analysis Competitors 1987: Toyota 4Runner, Nissan Pathfinder, Ford Bronco II, Chevrolet S-10 Blazer Key Features Design Philosophy: Body-on-frame construction, robust drivetrain, emphasis on utility and durability Manual Value Proposition: Empowers owners to perform extensive maintenance and repairs, saving money and ensuring quality work 📋 Manual Details Coverage Areas Manual Type: All Service Repair Manual Language: English Format: Downloadable Digital File Intended Audience: DIY Mechanics, Professional Technicians 📖 Manual Coverage Systems Covered Engine Mechanical: Engine overhaul, disassembly, assembly, inspection, tuning, cooling system, lubrication system, fuel delivery, emission controls Engine Electrical: Ignition system, starting system, charging system, engine sensors, ECU diagnostics, wiring diagrams Transmission Manual: Clutch, gearbox overhaul, shifting mechanisms, torque converter (if applicable to automatic), transmission fluid Transmission Automatic: Transmission overhaul, hydraulic control, valve body, seals, transmission fluid Drivetrain: Transfer case (NP231, NP242), front and rear axle assemblies, driveshafts, U-joints, propeller shafts Suspension: Front and rear suspension components, leaf springs, coil springs, shocks, struts, bushings, ball joints, control arms Steering: Steering gear, steering column, power steering system, tie rods, drag links Brakes: Front and rear brake systems (disc/drum), hydraulic lines, master cylinder, calipers, wheel cylinders, parking brake Electrical System: Battery, starter, alternator, lighting systems, instrumentation, power accessories, wiring diagrams Body And Frame: Body panel removal/installation, structural repairs, door mechanisms, window regulators, seat adjustments, interior trim Climate Control: HVAC system components, blower motor, heater core, A/C system (if equipped) Procedures Included Maintenance: Oil changes, filter replacements, fluid checks and top-offs, tune-ups, belt replacement, spark plug replacement Troubleshooting: Diagnostic charts for common drivability issues, electrical problems, and mechanical failures Repair: Step-by-step instructions for component removal, repair, and reinstallation Rebuild: Complete engine and transmission rebuild procedures with torque specifications and clearances Diagnostic Procedures: Testing of sensors, actuators, electrical circuits, and mechanical components Component Replacement: Detailed instructions for replacing parts like alternators, starters, water pumps, brake pads, and more Body Repair: Procedures for body panel alignment, rust repair, and trim replacement are typically included. Alignment Specifications: Wheel alignment specifications for front and rear axles. Technical Depth Depth: Comprehensive, covering routine maintenance to major overhauls and diagnostics Detail Level: Detailed exploded diagrams, torque specifications, alignment procedures, and electrical schematics Wiring Diagrams: Includes detailed electrical system schematics for all major components and circuits. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Text-searchable for quick information retrieval Printability: Printable pages for in-garage use Print Quality Image Resolution: High-resolution images and diagrams for clarity Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) Page Count Estimated Pages: High (typically 700-1500+ pages for comprehensive service manuals covering multiple models/engines) ⚙️ Engine Specifications Primary Engine Xj Engine Displacement Liters: 2.5 Engine Type Xj: Inline-4, OHV Engine Code Xj: AMC 150 Horsepower Xj: 121 hp @ 4,800 rpm (approx.) Torque Xj: 170 lb-ft @ 2,800 rpm (approx.) Optional Engine Xj Engine Displacement Liters: 4.0 Engine Type Xj: Inline-6, OHV Engine Code Xj: AMC 242 ('6-242') Horsepower Xj: 173 hp @ 4,700 rpm (approx.) Torque Xj: 220 lb-ft @ 3,250 rpm (approx.) Primary Engine Yj Engine Displacement Liters: 2.5 Engine Type Yj: Inline-4, OHV Engine Code Yj: AMC 150 Horsepower Yj: 112 hp @ 4,800 rpm (approx.) Torque Yj: 135 lb-ft @ 2,800 rpm (approx.) Optional Engine Yj Engine Displacement Liters: 4.2 Engine Type Yj: Inline-6, OHV Engine Code Yj: AMC 258 Horsepower Yj: 119 hp @ 3,200 rpm (approx.) Torque Yj: 215 lb-ft @ 2,000 rpm (approx.) Fuel System Fuel Delivery: Multi-point fuel injection (MPI) for 4.0L, Carbureted (2-barrel) for 2.5L and 4.2L Fuel Type: Unleaded Gasoline 🔧 Transmission Standard Xj Transmission Type: 4-speed Automatic (Select-Shift) Optional Xj Transmission Type: 5-speed Manual Standard Yj Transmission Type: 3-speed Automatic Optional Yj Transmission Type: 4-speed Manual Transmission Type 2: 5-speed Manual Features Transfer Case Options: Command-Trac (NP231) part-time, Selec-Trac (NP242) full-time (XJ models) 📐 Dimensions Exterior Xj Length: approx. 168.0 inches Width: approx. 69.9 inches Height: approx. 63.4 inches Wheelbase: 104.0 inches Exterior Yj Length: approx. 157.4 inches Width: approx. 69.9 inches Height: approx. 65.7 inches Wheelbase: 93.4 inches Weights Xj Curb Weight: approx. 3,100 - 3,500 lbs Weights Yj Curb Weight: approx. 3,000 - 3,400 lbs 🛡️ Safety Features Ratings NHTSA Ratings 1987: Data for 1987 may be limited; early models generally had basic safety features. Active Features Braking System: Front disc brakes, rear drum brakes (ABS not available) Passive Features Seat Belts: Lap and shoulder belts (front), lap belts (rear) Rollover Protection: Internal roll cage structure inherent to the unibody design (XJ), basic roll bar (YJ) 💡 Technology Features Infotainment Audio System 1987: AM/FM Radio, Cassette Player...