🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Year: 1999 Chassis Code: WJ Product Type: Repair Service Manual Product Format: PDF Download 👋 Introduction Market Position Segment: Mid-size Luxury SUV Brand Perception: Renowned for off-road capability and robust construction. Competitive Analysis Key Competitors: Ford Explorer, Toyota 4Runner, Chevrolet Blazer, Nissan Pathfinder. Key Features Platform: WJ platform, shared with Mercedes-Benz M-Class (W163) at the time, indicating premium engineering. Powertrain Options: Offered with powerful inline-6 and V8 engine options, coupled with advanced 4WD systems. Interior Appointments: Luxurious interior for its class, with available leather seating and premium sound systems. 📋 Manual Details Coverage Areas Primary Audience: Professional Technicians Secondary Audience: Advanced DIY Enthusiasts Geographic Coverage: Global (Specifications may vary by region) Page Count Estimated Pages: 1500+ Manual Type Type: Factory Service Manual Language Language: English Format Digital Format: Searchable PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, diagnosis, and repair for all WJ Grand Cherokee engines. Engine Electrical: Ignition system, fuel injection, emissions control, sensors, actuators, and diagnostic trouble codes (DTCs). Transmission Automatic: NV242 Selec-Trac transfer case, NV247 Quadra-Trac II transfer case, 42RE automatic transmission, 45RFE/545RFE automatic transmission. Transmission Manual: N/A for this model year, primarily automatic transmissions. Drivetrain: Front and rear axles, differentials, driveshafts, U-joints, CV joints, and wheel bearings. Suspension: Front (Short-long arm) and rear (Multi-link) suspension systems, springs, shock absorbers, control arms, sway bars, and bushings. Steering: Power steering system, steering gear, tie rods, steering column, and alignment specifications. Brakes: Front and rear disc brake systems, ABS (Anti-lock Braking System), brake fluid, calipers, rotors, pads, and hydraulic lines. Electrical System: Battery, charging system, starter, lighting, power accessories, wiring diagrams, fuses, and relays. HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system, compressor, condenser, evaporator, blower motor, and controls. Body And Chassis: Body panels, doors, windows, interior trim, underbody, frame, and corrosion protection. Body Electronics: Power windows, power locks, remote keyless entry, interior lighting, and instrument cluster. Diagnostic Tools: OBD-II diagnostics, fault code interpretation, and troubleshooting procedures. Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, tire rotations, brake inspections. Troubleshooting: Systematic diagnostic procedures for common and uncommon faults. Repair Procedures: Step-by-step instructions for component removal, installation, and repair. Overhaul Procedures: Complete rebuild procedures for engines and transmissions. Electrical Diagnostics: Wiring diagrams, circuit testing, and component testing. Alignment: Front and rear wheel alignment specifications and procedures. Special Tools: Identification and usage of specialized tools required for specific repairs. Torque Specifications: Detailed torque values for all fasteners. Lubrication: Lubrication points and recommended lubricants. Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and transmission rebuilds. Diagnostic Capability: Advanced diagnostic procedures, including interpretation of sensor data and troubleshooting logic. 📊 Manual Specifications File Format Format: PDF Searchability: Fully searchable text Print Quality Quality: High resolution, suitable for printing Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine 1: 4.0L Inline-6 'Power Tech' Engine 2: 4.7L V8 'Magnum' Engine 1 Details Displacement Ci: 242 Displacement Liters: 3.96 Engine Code: ERH Horsepower Hp: 185 Torque Lb Ft: 220 Engine 2 Details Displacement Ci: 285 Displacement Liters: 4.7 Engine Code: EVC Horsepower Hp: 220-235 Torque Lb Ft: 285-300 Performance 0 60 Mph Sec: Approx. 8.5-10.5 (depending on engine and configuration) Fuel System System: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded Gasoline Fuel Octane Rating: 87 Octane Minimum Recommended 🔧 Transmission Standard Transmission Type: 4-speed Automatic Transmission (42RE standard on 4.0L, 45RFE on 4.7L) Optional Transmission Type: 5-speed Automatic Transmission (545RFE introduced later in production, check specific vehicle) Features Transfer Case 1: NV242 Selec-Trac (Part-time 4WD with 2WD option) Transfer Case 2: NV247 Quadra-Trac II (Full-time 4WD with low-range) Fluid Type: ATF+4 (Mopar) 📐 Dimensions Exterior Wheelbase In: 116.7 Length In: 187.6 Width In: 74.8 Height In: 67.4 Ground Clearance In: Approx. 8.7 Approach Angle Deg: Approx. 38 Departure Angle Deg: Approx. 30 Weights Curb Weight Lbs: 4300-4700 (Varies by configuration) Max Towing Capacity Lbs: Up to 5000 (with proper equipment) 🛡️ Safety Features Ratings NHTSA Rollover Resistance Rating: 3 Stars (For 1999 model) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Optional (Some configurations) Passive Features Airbags: Driver and front passenger airbags Seatbelts: Front and rear seat belts, pretensioners 💡 Technology Features Infotainment Audio System: Factory AM/FM/CD/Cassette player, optional premium Infinity Gold sound system. Navigation: Optional factory navigation system (rare). Driver Assistance Cruise Control: Standard electronic cruise control. Parking Sensors: Not available for this model year. Connectivity Aux Input: Not available for factory systems. 🔧 Maintenance Service Intervals Oil Change Interval Miles: 3,000-7,500 (dependent on oil type and driving conditions) Transmission Fluid Change Interval Miles: 30,000-100,000 (dependent on usage, refer to manual) Coolant Flush Interval Miles: 30,000-100,000 (dependent on coolant type) Spark Plug Replacement Miles: 100,000 (for platinum/iridium plugs) Fluid Specifications Engine Oil Type: API SN/SP,...