🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Generation: ZJ Model Year: 1998 Codes Chassis Code: ZJ 👋 Introduction Market Position Segment: Mid-size luxury SUV Target Audience: Families, off-road enthusiasts, those seeking a capable and comfortable SUV Competitive Analysis Key Competitors: Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Land Rover Discovery Key Features Usp 1998: Robust off-road capability with available Quadra-Trac full-time 4WD system Usp 1998 Luxury: Comfortable interior, available premium features, and refined ride for its class Design Language: Classic Jeep styling with a more rounded and aerodynamic profile compared to earlier generations 📋 Manual Details Coverage Areas Manual Type: Parts Catalog Language: English Format: Digital (likely PDF) Page Count Estimated Page Count: Likely over 1000 pages 📖 Manual Coverage Systems Covered Engine: All engine variants offered in 1998 ZJ Grand Cherokee Powertrain: Transmission, transfer case, axles, driveshafts Chassis: Suspension, steering, brakes, wheels, tires Electrical: Wiring harnesses, lighting, charging system, starting system, accessories Body: Exterior body panels, interior trim, seats, glass, hardware HVAC: Heating, ventilation, and air conditioning components Fuel: Fuel system components, tank, pump, lines, injectors Exhaust: Exhaust system components, catalytic converter, mufflers, pipes Procedures Included Part Identification: Detailed illustrations and part numbers for all components Interchangeability: Information on part interchangeability (where applicable) Assembly Disassembly: Breakdown views for understanding component relationships and assembly order Technical Depth Depth Level: Component-level identification and referencing for parts sourcing and basic understanding of assembly 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) is most common for these types of catalogs Searchability: Likely text-searchable if created from a well-indexed source Printable: Printable pages for easy reference in a workshop environment Print Quality Image Clarity: High-resolution illustrations and diagrams for accurate part identification Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine 1: 4.0L Inline 6-Cylinder (MPI) Engine 1 Code: ERH Engine 1 Displacement: 242 cu in (3956 cc) Engine 1 Horsepower: 185 hp @ 4,700 rpm Engine 1 Torque: 220 lb-ft @ 3,200 rpm Optional Engine Engine 2: 5.2L V8 (MPI) Engine 2 Code: EVC Engine 2 Displacement: 318 cu in (5211 cc) Engine 2 Horsepower: 220 hp @ 4,700 rpm Engine 2 Torque: 285 lb-ft @ 3,200 rpm Fuel System Fuel Delivery: Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded Gasoline Performance Ignition System: Distributorless Ignition System (DIS) with coil-on-plug or coil pack 🔧 Transmission Standard Transmission Standard: 4-speed automatic (42RE) Optional Transmission Optional: N/A for 1998 model year in most markets, though some earlier transmissions might persist in specific configurations. Features Transfer Case: Command-Trac NV242 (Part-time 2-speed with 2WD, 4WD Part-Time, 4WD Full-Time, Neutral) Transfer Case Optional: Selec-Trac NV242 (Standard on many 1998 models for full-time 4WD capability) Transfer Case Premium: Quadra-Trac NV249 (Full-time 4WD with viscous coupling, available on higher trims) Axle Ratios: Commonly 3.73 or 4.00 depending on engine and drivetrain 📐 Dimensions Exterior Wheelbase: 110.0 inches (2794 mm) Length: 182.7 inches (4641 mm) Width: 70.4 inches (1788 mm) Height: 66.1 inches (1679 mm) Weights Curb Weight Min: Approx. 4,100 lbs (1860 kg) for 4.0L 2WD Curb Weight Max: Approx. 4,600 lbs (2087 kg) for 5.2L 4WD Limited Cargo Cargo Volume Behind 2Nd Row: Approximately 38.7 cu ft Cargo Volume With 2Nd Row Folded: Approximately 75.0 cu ft 🛡️ Safety Features Ratings NHTSA Frontal Impact Driver: 4 Stars (1998 Model Year) NHTSA Frontal Impact Passenger: 4 Stars (1998 Model Year) Passive Features Airbags: Driver and front passenger airbags Seatbelts: Front 3-point height-adjustable seat belts; Rear 3-point seat belts Active Features Brakes: Front: Vented Discs; Rear: Drums (standard), Rear Discs (optional on some trims/with V8) ABS: Anti-lock Braking System (ABS) standard on all 1998 models 💡 Technology Features Infotainment Audio System: AM/FM stereo with cassette and optional CD player. Available premium Infinity Gold sound system. Navigation: No factory-integrated navigation system available for this model year. Driver Assistance Cruise Control: Standard on most trims. Traction Control: Optional on some models, often integrated with ABS. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-7,500 miles (5,000-12,000 km) or 6 months, depending on driving conditions and oil type used. Transmission Fluid Interval: Every 30,000-60,000 miles (50,000-100,000 km) or as per severity of use. Check condition. Coolant Flush Interval: Every 30,000-60,000 miles (50,000-100,000 km) or 2-4 years. Fluid Specifications Engine Oil Spec: API SG/SH, SAE 5W-30 or 10W-30 (refer to owner's manual for specific recommendations based on temperature) Transmission Fluid Spec: ATF+3 (Chrysler Material Number 05010083AA) or equivalent DEXRON-III/MERCON Coolant Spec: Chrysler's HOAT (Hybrid Organic Acid Technology) or compatible green ethylene glycol coolant Power Steering Fluid: Chrysler Power Steering Fluid (Mopar P/N 043030001AB) or equivalent DEXRON-III/MERCON Known Issues Engine Issues: Cracked cylinder heads on early 5.2L V8s (though less common by '98), potential for head gasket leaks on 4.0L inline-6 due to overheating. Transmission Issues: Valve body issues in the 42RE transmission,...