🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Model Code: ZJ/ZG Year: 1998 Generation Generation Code: ZJ Generation Years: 1993-1998 👋 Introduction Market Position Segment: Mid-size Luxury/Performance SUV Target Audience: Consumers seeking a capable, comfortable, and off-road-ready SUV Competitive Analysis Key Competitors: Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Land Rover Discovery Key Features Off Road Capability: Command-Trac and Selec-Trac 4WD systems, solid front axle (early models) Comfort And Luxury: Leather seating, premium audio options, quiet cabin Powertrain Options: Choice of V8 and inline-6 gasoline engines, and a diesel option 📋 Manual Details Coverage Areas Primary Coverage: Workshop Manual / Service and Repair Secondary Coverage: Body, Chassis, Electrical Systems, Wiring Diagrams Page Count Estimated Page Count: High (Comprehensive workshop manual) Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English Format Format: PDF Digital Features: Fully Bookmarked and Searchable 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, cooling, lubrication, fuel, exhaust, ignition, emissions control Drivetrain: Automatic transmission, transfer case (NV242, NV249), differentials, driveshafts, axles Chassis: Suspension (front solid axle, rear solid axle), steering, brakes (front disc, rear drum/disc), wheels, tires Electrical: Battery, charging system, starting system, lighting, instruments, accessories, body electrical, Powertrain Control Module (PCM), Antilock Brake System (ABS), Central Power Distribution Body: Body construction, exterior trim, interior trim, doors, windows, seats, HVAC system Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, lubrication Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), component testing Repair: Component removal, installation, overhaul, adjustments, specifications Technical Data: Torque specifications, clearances, fluid capacities, electrical resistance values Technical Depth Depth: Comprehensive, suitable for professional technicians and advanced DIYers Special Features: Detailed wiring diagrams for all electrical systems 📊 Manual Specifications File Format File Type: PDF Compatibility: Windows, Linux, macOS Print Quality Printability: Printable Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine 1 Type: 4.0L (3956cc) AMC 242 Inline-6 (e.g., "242 I6") Engine 1 Fuel Delivery: Multi-point Fuel Injection (MPI) Engine 1 Horsepower: Approx. 190 hp @ 4400 rpm Engine 1 Torque: Approx. 225 lb-ft @ 3000 rpm Optional Engine Engine 2 Type: 4.7L (4701cc) Chrysler "Magnum" V8 (e.g., "265 V8") - Introduced mid-year 1998 Engine 2 Fuel Delivery: Multi-point Fuel Injection (MPI) Engine 2 Horsepower: Approx. 220 hp @ 4700 rpm Engine 2 Torque: Approx. 285 lb-ft @ 3200 rpm Diesel Engine Engine 3 Type: 2.5L (2499cc) VM Motori "Turbodiesel" Inline-4 (e.g., "Turbo Diesel") Engine 3 Fuel Delivery: Turbocharged Direct Injection Engine 3 Horsepower: Approx. 114 hp @ 4000 rpm Engine 3 Torque: Approx. 187 lb-ft @ 2000 rpm Fuel System Fuel Type Gasoline: Unleaded gasoline (87 octane recommended) Fuel Type Diesel: Diesel fuel (ULSD/ULSD recommended) 🔧 Transmission Standard Transmission Transmission Type: 4-speed Automatic (e.g., 42RE or 44RE) Optional Transmission Transmission Type Manual: 5-speed Manual (NV3550) - Less common, primarily on earlier ZJ models Features Transfer Case Options: Selec-Trac (NV242 - 2WD/4WD Full-Time), Command-Trac (NV249 - 4WD Full-Time with permanent 4WD) Fluid Type Automatic Transmission Fluid: ATF+4 (or equivalent specification like ATF+3 for earlier models) Manual Transmission Fluid: API GL-5, SAE 75W-90 📐 Dimensions Exterior Wheelbase: 103.4 inches (2626 mm) Length: 177.7 inches (4513 mm) Width: 70.1 inches (1780 mm) Height: 64.4 inches (1636 mm) Weights Curb Weight Gasoline: Approx. 4,000 - 4,500 lbs (1814 - 2041 kg) Curb Weight Diesel: Approx. 4,200 - 4,700 lbs (1905 - 2132 kg) Gross Vehicle Weight Rating Gvwr: Approx. 5,500 - 6,000 lbs (2495 - 2722 kg) Cargo Cargo Volume Behind Second Row: Approx. 33.5 cubic feet (0.95 m³) Cargo Volume With Second Row Folded: Approx. 75.4 cubic feet (2.14 m³) 🛡️ Safety Features Ratings NHTSA Frontal Impact Driver: Not rated or Poor (for older models without modern safety structures) NHTSA Side Impact Driver: Not rated or Poor Active Features ABS: Standard on most models (4-wheel disc brake option available) Passive Features Airbags: Driver and Passenger front airbags Seatbelts: Front and rear seat belts, front seat pretensioners 💡 Technology Features Infotainment Audio System: Factory AM/FM/Cassette/CD player options, various speaker configurations Climate Control: Manual or automatic climate control (optional) Driver Assistance ABS: Anti-lock Braking System available Connectivity Cruise Control: Standard on most trims 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 miles or 3 months (conventional oil); 5,000-7,500 miles or 6 months (synthetic oil), refer to manual for specific conditions. Transmission Fluid Change: Every 30,000 - 60,000 miles, or as per severe service schedule. Coolant Flush: Every 30,000 miles or 2 years. Spark Plug Replacement Inline 6: Approx. 100,000 miles (with platinum-tipped plugs). Spark Plug Replacement V8: Approx. 100,000 miles (with platinum-tipped plugs). Fluid Specifications Engine Oil: API SN/SP, SAE 5W-30 or 10W-30 (check manual for specific viscosity based on temperature) Coolant: Chrysler/Mopar HOAT Antifreeze/Coolant, 50/50 mix with distilled water Brake Fluid: DOT 3 Power Steering Fluid: ATF+4 (or equivalent) Known Issues Cooling System: Leaking radiator, water pump...