🏷️ Basic Information Identification Make: Jeep Model: Cherokee Year: 1988 Chassis Code: XJ Codes Product Type: Service Repair Workshop Manual 👋 Introduction Market Position Vehicle Segment: Compact SUV / Off-Road Vehicle Jeep Heritage: Cherokee XJ is a cornerstone of Jeep's reputation for ruggedness and off-road capability. Competitive Analysis Competitors 1988: Ford Bronco II, Chevrolet S-10 Blazer, Toyota 4Runner, Nissan Pathfinder Key Features Jeep Xj Distinction: Unibody construction offered a lighter, more car-like ride than body-on-frame competitors, yet retained significant off-road prowess. Manual Value Proposition Value For Owner: Essential for owners looking to maintain, diagnose, and repair their 1988 Jeep Cherokee XJ, saving on labor costs and ensuring proper service. 📋 Manual Details Coverage Areas Manual Type: Factory Service Manual Language: English Format: Digital (assumed PDF/eBook for online sales) Target Audience: DIY Mechanics, Technicians 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, disassembly, assembly, timing, lubrication, cooling systems Fuel System: Fuel injection (EFI), fuel pump, injectors, pressure regulator, tank, lines Ignition System: Distributor, ignition coil, spark plugs, timing, electronic control module (ECM) Exhaust System: Catalytic converter, mufflers, pipes, sensors Transmission Manual: Clutch, gearbox overhaul, shifting mechanisms, maintenance Transmission Automatic: Overhaul, torque converter, valve body, hydraulic controls, maintenance Driveline: Transfer case, driveshafts, U-joints, axles, differentials (front and rear) Suspension: Front and rear suspension components, springs, shocks, control arms, bushings Steering: Power steering system, steering gearbox, tie rods, steering column Brakes: Front and rear brake systems (discs/drums), hydraulic lines, master cylinder, ABS (if equipped) Electrical System: Wiring diagrams, battery, alternator, starter, lighting, fuses, relays, control modules Climate Control: HVAC system, blower motor, AC compressor, heater core, refrigerant charging Body Interior: Interior trim, seats, dashboard, door panels, glass, headliner Body Exterior: Body panels, doors, hood, tailgate, bumpers, trim, paint Diagnostics: Troubleshooting charts, symptom-based diagnosis, diagnostic trouble codes (DTCs) Procedures Included Maintenance: Oil changes, fluid checks, filter replacements, tune-ups, inspections Repair: Component removal, installation, and overhaul for all major systems Troubleshooting: Step-by-step diagnostic procedures for common and uncommon problems Specifications: Torque values, clearances, fluid types, capacities, electrical specifications Wiring Diagrams: Detailed electrical schematics for all vehicle circuits Technical Depth Depth: Comprehensive: Covers everything from basic maintenance to complete engine and transmission rebuilds, including in-depth electrical diagnostics. 📊 Manual Specifications File Format File Type: PDF (common for this era's digital manuals) Searchability: Likely text-searchable for quick information retrieval Print Quality: High-quality scans of original factory documents, including sharp diagrams Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) Completeness Manual Completeness: Complete Factory Service Manual ⚙️ Engine Specifications Primary Engine Engine Code: 4.0L Inline-6 (Often referred to as the '242' engine) Engine Type: Overhead Valve (OHV), Cast Iron Block, Aluminum Cylinder Head Displacement: 242 cubic inches (3.96 liters) Bore X Stroke: 3.875 in x 3.562 in (98.4 mm x 90.5 mm) Performance Horsepower: Approx. 173 hp @ 4,000 RPM Torque: Approx. 220 lb-ft @ 2,000 RPM Fuel System Induction: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline (87 Octane recommended) Engine Features Block Material: Cast Iron Cylinder Head Material: Aluminum Firing Order: 1-5-3-6-2-4 Oil Capacity With Filter: 6 US Quarts (5.7 Liters) Oil Type: API SN, SAE 10W-30 (Check manual for specific viscosity based on temperature) Coolant Capacity: Approx. 12.5 US Quarts (11.8 Liters) with heater Coolant Type: Ethylene Glycol based antifreeze/water mixture (50/50) Spark Plug Gap: 0.035 inches (0.89 mm) Ignition Timing Base: 12 degrees Before Top Dead Center (BTDC) at idle (ECU controlled) 🔧 Transmission Standard Transmission Type: 4-Speed Automatic (AW4) Optional Transmission Type: 5-Speed Manual (AX-5) Features Aw4 Features: Electronically controlled, renowned for durability and off-road suitability. Selectable 2WD/4WD. Ax5 Features: Robust manual gearbox, suitable for moderate off-road use. Selectable 2WD/4WD. Fluid Specifications Automatic Transmission Fluid Type: ATF+3 or ATF+4 (Refer to manual for exact specification for 1988) Automatic Transmission Fluid Capacity: Approx. 6.8 US Quarts (6.4 Liters) for fluid change Fluid Specifications Manual Manual Transmission Fluid Type: GL-3 or GL-4, SAE 75W-90 Gear Oil Manual Transmission Fluid Capacity: Approx. 2.4 US Quarts (2.3 Liters) 📐 Dimensions Exterior Length: 176.1 inches (4473 mm) Width: 69.4 inches (1763 mm) Height: 63.4 inches (1610 mm) Wheelbase: 101.4 inches (2576 mm) Weights Curb Weight: Approx. 3,300 - 3,600 lbs (1497 - 1633 kg), depending on configuration Gross Vehicle Weight Rating Gvw: Approx. 4,700 - 5,000 lbs (2132 - 2268 kg) Cargo Cargo Volume Behind Rear Seat: Approx. 33.1 cubic feet (937 liters) Cargo Volume With Rear Seat Folded: Approx. 70.6 cubic feet (2000 liters) 🛡️ Safety Features Ratings NHTSA Ratings: N/A (FMVSS compliance tested, but modern star ratings not applicable to this era) Active Features Braking System: Front disc, rear drum brakes. Optional ABS (Anti-lock Braking System) on select models. Drivetrain: Part-time Command-Trac 4WD system with optional Selec-Trac (full-time 4WD). Passive Features Seatbelts: Shoulder belts, lap belts. Standard safety restraints. Rollover Protection: Reinforced roof structure inherent to the unibody design. 💡 Technology...