🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Year: 1998 Codes Chassis Code: ZJ 👋 Introduction Market Position Segment: Mid-Size Sport Utility Vehicle (SUV) Competitive Analysis Competitors: Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Nissan Pathfinder Key Features Features: Robust Unibody Construction, Available Full-Time 4WD, Comfortable Interior, Trail Capability 📋 Manual Details Coverage Areas Primary Coverage: Full Service and Repair Instructions Page Count Estimated Pages: 1500+ Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine: All Engine Overhauls, Diagnostics, Tuning, Cooling, Lubrication, Fuel Injection, Ignition Transmission: Automatic Transmission (42RE, 44RE, 46RE), Transfer Case (NV231, NV242, NV249), Drivelines Brakes: Front & Rear Disc Brakes, ABS System, Parking Brake Suspension: Front Solid Axle (Dana 30/35), Rear Axle (Dana 35), Springs, Shock Absorbers, Steering System Electrical: Wiring Diagrams, Lighting, Instruments, Power Distribution, Ignition System, Starting System, Charging System, ECU Diagnostics Body And Chassis: Frame, Body Panels, Doors, Windows, Seats, HVAC System, Exterior Trim, Interior Trim Climate Control: HVAC blower motor, resistor, evaporator, condenser, compressor, refrigerant charging, heater core replacement. Fuel System: Fuel pump, fuel injectors, fuel pressure regulator, fuel filter replacement, fuel tank servicing. Ignition System: Spark plugs, ignition coils, distributor (on some 4.0L engines), crank and cam position sensors. Frame: Inspection, repair, and maintenance of the unibody structure. Interior: Seat removal and repair, dashboard disassembly, interior paneling, carpet replacement, headliner repair. Procedures Included Maintenance: Routine Service Intervals, Oil Changes, Filter Replacements, Tune-Ups, Fluid Checks Repair: Component Removal & Installation, Engine Rebuilding, Transmission Overhaul, Brake Caliper Replacement, Suspension Component Replacement Troubleshooting: Diagnostic Charts, Symptom-Based Troubleshooting, Electrical Fault Finding Diagnostics: OBD-II Procedures, Sensor Testing, ECU Code Reading Bodywork: Panel replacement, dent repair, rust mitigation techniques, glass replacement, trim installation. Diagnostics OBD: OBD-II scanner usage, reading trouble codes, clearing codes, live data interpretation. Technical Depth Depth: Comprehensive: Covers everything from basic fluid checks to full engine and transmission rebuilds. Diagnostics Depth: Advanced diagnostic procedures including sensor testing, circuit tracing, and ECU diagnosis. Rebuild Depth: Complete engine and transmission rebuild procedures with detailed component specifications and assembly sequences. 📊 Manual Specifications File Format File Type: PDF Print Quality Quality: High-Resolution Scans of Original Factory Manuals Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine 1: 4.0L V6 (242 cu. in.) OHV MPI Engine 1 Horsepower: 185 hp @ 4500 rpm Engine 1 Torque: 220 lb-ft @ 3200 rpm Engine 2: 4.7L V8 (285 cu. in.) OHV MPI Engine 2 Horsepower: 220 hp @ 4700 rpm Engine 2 Torque: 285 lb-ft @ 3200 rpm Fuel System Fuel Delivery: Multi-Point Fuel Injection (MPI) Fuel Type: Unleaded Gasoline Cooling System Coolant Type: Ethylene Glycol based (50/50 mix with distilled water) 🔧 Transmission Standard Transmission Type: 4-Speed Automatic (42RE / 44RE / 46RE depending on engine) Optional Transmission Type: None (Manual transmissions were phased out for Grand Cherokee in ZJ generation after early years/models) Features Transfer Case: New Process NV231 (Part-Time 4WD), NV242 (Full-Time 4WD, Selec-Trac), NV249 (Full-Time 4WD, Quadra-Trac II) Fluid Specifications Automatic Transmission Fluid: ATF+4 (Mopar specification) 📐 Dimensions Exterior Wheelbase: 108.7 inches (2761 mm) Length: 177.7 inches (4513 mm) Width: 70.5 inches (1791 mm) Height: 66.1 inches (1679 mm) Weights Curb Weight Min: 4100 lbs (1860 kg) Curb Weight Max: 4500 lbs (2041 kg) Gross Vehicle Weight Rating Gvwr: 5800-6000 lbs (2630-2722 kg) depending on configuration Cargo Cargo Volume Behind Rear Seat: 33.3 cu ft (0.94 m³) Cargo Volume With Rear Seat Folded: 72.4 cu ft (2.05 m³) 🛡️ Safety Features Ratings NHTSA Frontal Impact Driver: 4 Stars NHTSA Frontal Impact Passenger: 4 Stars Active Features ABS: Standard (4-wheel disc brakes with ABS) Traction Control: Optional (depending on trim and drivetrain) Passive Features Airbags: Driver and Passenger Frontal Airbags Seatbelts: 3-point front and rear seat belts 💡 Technology Features Infotainment Audio System: Factory AM/FM/Cassette/CD player (options vary by trim level) Climate Control Type: Manual or Optional Automatic Climate Control (ACC) Driver Assistance Cruise Control: Standard Connectivity Connectivity Features: Limited by era; primarily for optional remote keyless entry and power accessories. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-7,500 miles (5,000-12,000 km) or 3-6 months, depending on driving conditions and oil type used. Transmission Fluid Change Interval: Every 30,000-60,000 miles (48,000-96,000 km) Coolant Flush Interval: Every 30,000 miles (48,000 km) or 2 years Fluid Specifications Engine Oil Type: API SG or SH, SAE 5W-30 or 10W-30 (check owner's manual for specific viscosity based on climate) Engine Oil Capacity: 5 Quarts (4.7 Liters) with filter for 4.0L V6; 6 Quarts (5.7 Liters) with filter for 4.7L V8 Power Steering Fluid: Mopar Power Steering Fluid or equivalent (e.g., Dexron III) Brake Fluid Type: DOT 3 Transfer Case Fluid: ATF+4 (for NV242, NV249); NP231 may use specific gear oil (consult manual for exact spec) Differential Fluid Front: API GL-5, SAE...