🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Generation Code: ZG (facelift of ZJ) Model Year: 1998 Codes Internal Platform Code: ZJ 👋 Introduction Market Position Vehicle Segment: Mid-size luxury SUV Target Audience: Families, individuals seeking off-road capability combined with on-road comfort and luxury. Competitive Analysis Primary Competitors: Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Land Rover Discovery. Key Features Iconic Design: Jeep's distinctive seven-slot grille and rugged aesthetic. Capability: Renowned Jeep 4x4 systems (Quadra-Trac II, Selec-Trac). Luxury Appointments: Available leather seating, premium sound systems, and wood grain trim in higher trims. Zg Facelift: Updated exterior styling (front fascia, headlights, taillights), revised interior, and improved powertrain options. 📋 Manual Details Coverage Areas Covered Regions: Globally applicable, with emphasis on markets where ZG was officially sold and serviced. Page Count Estimated Page Count: 800-1200 pages (typical for comprehensive parts catalogs) Manual Type Manual Type: Parts Catalog / Parts Manual Language Language: English Format Format: Digital (PDF), often searchable and printable 📖 Manual Coverage Systems Covered Powertrain: Engine assemblies, fuel system, cooling system, exhaust system, engine management components. Drivetrain: Transmissions (automatic/manual), transfer cases, front axle, rear axle, driveshafts, differentials, CV joints. Chassis And Suspension: Front suspension components (control arms, ball joints, springs, shocks), rear suspension components (leaf springs/linkages, shocks), steering system components, wheel bearings. Brakes: Brake system components (calipers, pads, rotors, drums, master cylinder, proportioning valve, ABS components). Electrical System: Wiring harnesses, lighting components (headlights, taillights, interior lights), ignition system components, starter motor, alternator, battery related components, sensors, fuses, relays. Body And Exterior: Body panels (hood, doors, fenders, quarter panels), bumpers, grille, glass, trim pieces, mirrors, roof rack components, body hardware. Interior And Trim: Seating components, dashboard, door panels, headliner, carpeting, HVAC system components (vents, controls), seat belts, airbags (components). Wheels And Tires: Wheels, tires, lug nuts, valve stems. Procedures Included Parts Identification: Detailed diagrams of all components, with exploded views and part numbers for precise identification. Assembly Sequences: Illustrations showing the order of assembly for various sub-systems. Interchangeability: Indication of compatible part numbers across different trim levels or build dates within the model year. Part Number Lookup: Systematic part number referencing for ordering and inventory. Technical Depth Detail Level: Highly detailed, suitable for dealership technicians, independent repair shops, and serious DIY enthusiasts. Focus on exact part fitment and OE specifications. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Searchability: Text-searchable for quick part number or component name retrieval. Print Quality Printability: High-resolution graphics and text, suitable for printing specific pages or sections. Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Displacement Liters: 4.0L Engine Type: Inline-6 OHV (PowerTech) Engine Code Common: AMC 242 Horsepower Hp: 185 hp @ 4,700 rpm Torque Lb Ft: 220 lb-ft @ 3,200 rpm Optional Engine Engine Displacement Liters: 5.9L (Limited Production/Export) Engine Type: V8 OHV (Magnum) Engine Code Common: 360ci Horsepower Hp: 235 hp @ 4,500 rpm Torque Lb Ft: 330 lb-ft @ 3,200 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (MPI - Multi-Point Injection) Fuel Type: Unleaded Gasoline (87 Octane recommended for 4.0L, 89 Octane recommended for 5.2L/5.9L) 🔧 Transmission Standard Transmission Type: 4-speed Automatic (42RE) Optional Transmission Type: 5-speed Manual (NV3500) Features Transfer Case Options: Selec-Trac (Part-time 4WD with 2WD option), Quadra-Trac II (Full-time 4WD with low range). Fluid Specification Automatic Transmission Fluid: ATF+3 (Chrysler specification) Manual Transmission Fluid: Mopar Manual Transmission Lubricant (or equivalent API GL-4, SAE 75W-90) 📐 Dimensions Exterior Length Inches: 179.1 - 183.2 (depending on trim/bumper) Width Inches: 70.5 Height Inches: 62.4 - 64.3 (depending on roof rails) Wheelbase Inches: 103.4 Ground Clearance Inches: 8.0 (approximate, unloaded) Cargo Cargo Volume Cubic Feet: 38.0 (behind rear seat), 75.4 (with rear seat folded) Weights Curb Weight Lbs: 3,800 - 4,300 lbs (depending on engine and drivetrain) Towing Capacity Lbs: Up to 6,500 lbs (with optional towing package) Wheels And Tires Standard Wheel Size: 15-inch or 16-inch Alloy Standard Tire Size: P225/75R15, P235/70R16 (examples) Bolt Pattern: 5x114.3 mm (5x4.5 inches) 🛡️ Safety Features Ratings NHTSA Frontal Driver Rating: 4 Stars (1998 MY, based on available data) NHTSA Frontal Passenger Rating: 4 Stars (1998 MY, based on available data) Active Features ABS: Standard on all models (4-wheel disc brakes) Passive Features Airbags: Driver and front passenger airbags Seat Belts: Front and rear seat belts, front seat pretensioners Body On Frame: Robust body-on-frame construction for structural integrity. 💡 Technology Features Infotainment Audio System: AM/FM Stereo with Cassette and CD Player (optional). Speaker Configuration: Base models had 4 speakers, higher trims offered premium Infinity Gold systems with up to 8 speakers. Driver Assistance Cruise Control: Standard on most trims. Automatic Headlights: Optional. Connectivity Phone Integration: No integrated Bluetooth or smartphone connectivity; aftermarket solutions may be available. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 - 5,000 miles or 6...