🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Generation Code: WJ Model Year: 1999 👋 Introduction Market Position Segment: Mid-size Luxury SUV Competitive Analysis Competitors: Ford Explorer, Chevrolet TrailBlazer, Toyota 4Runner, Land Rover Discovery Key Features Unique Selling Points: Jeep's legendary off-road capability, luxurious interior (for its time), powerful V8 engine option Target Audience: Families, outdoor enthusiasts, individuals seeking a capable and comfortable SUV 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Secondary Coverage: Electrical Diagrams, Diagnostics, Maintenance Page Count Estimated Page Count: 1500+ Manual Type Type: Factory Service Manual (FSM) Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine (4.0L I6, 4.7L V8), Transmission (42RE, 45RFE/545RFE), Transfer Case (NV242, NV247) Chassis: Suspension (Front/Rear), Steering, Brakes (ABS/Non-ABS), Driveline, Wheels & Tires Electrical: Engine Control Module (ECM), Powertrain Control Module (PCM), Body Control Module (BCM), Lighting, Power Accessories, Audio System, HVAC Controls, Instrument Cluster, Diagnostics (OBD-II) Body And Interior: Body Panels, Doors, Windows, Seats, Trim, HVAC System, Safety Restraints (Airbags) Procedures Included Maintenance: Oil Changes, Filter Replacements, Fluid Checks/Changes, Tune-ups, Belt Replacement Repair: Engine Component Rebuilds, Transmission Overhaul, Suspension Component Replacement, Brake System Repair, Electrical Component Diagnosis and Repair Diagnostics: Troubleshooting Charts, Symptom-Based Diagnostics, Diagnostic Trouble Codes (DTCs) Technical Depth Depth: Comprehensive (from basic maintenance to full engine and transmission rebuilds) Diagrams: Detailed step-by-step diagrams and illustrations for all procedures Wiring Diagrams: Complete and detailed electrical schematics for all systems 📊 Manual Specifications File Format Format: Searchable PDF Print Quality Quality: High-resolution, suitable for printing Binding Type Binding: N/A (Digital) Paper Type Paper: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine 1 Displacement: 4.0L (242 ci) Inline-6 Engine 1 Configuration: OHV 12-Valve Engine 1 Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Engine 1 Horsepower: 185 hp @ 4600 RPM Engine 1 Torque: 220 lb-ft @ 3200 RPM Optional Engine Engine 2 Displacement: 4.7L (287 ci) V8 Engine 2 Configuration: OHV 16-Valve (PowerTech) Engine 2 Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Engine 2 Horsepower: 220 hp @ 4700 RPM Engine 2 Torque: 285 lb-ft @ 3200 RPM Performance Emission Control: California/Federal Emissions Compliant Options 🔧 Transmission Standard Transmission 1 Type: 42RE 4-Speed Automatic Transmission 1 Drive Type: RWD / 4WD Optional Transmission 2 Type: 45RFE (later 545RFE) 4-Speed Automatic Transmission 2 Drive Type: 4WD Features Transfer Case 1: Selec-Trac NV242 (Full-time 4WD, 2WD, 4WD Part-Time, 4WD Low) Transfer Case 2: Quadra-Trac II NV247 (Full-time 4WD with variable torque split) Fluid Specifications Automatic Transmission Fluid: ATF+4 (Chrysler Material Standard MS-9602) 📐 Dimensions Exterior Wheelbase: 116.1 inches (2950 mm) Length: 188.5 inches (4788 mm) Width: 74.3 inches (1887 mm) Height: 67.4 inches (1712 mm) Weights Curb Weight Min: 4428 lbs (2008 kg) Gross Vehicle Weight Rating Max: 5800 lbs (2630 kg) Towing Capacity Max: 6500 lbs (2948 kg) Cargo Cargo Volume Behind Rear Seat: 37.5 cubic feet (1.06 cubic meters) Cargo Volume With Rear Seat Folded: 73.0 cubic feet (2.07 cubic meters) 🛡️ Safety Features Ratings NHTSA Rollover Resistance: 4 stars (typically, depending on configuration) Active Features ABS: Standard (4-wheel disc with ABS) Traction Control: Optional (for some models/trims) Passive Features Airbags: Driver and Passenger Frontal Airbags Seatbelts: Front and Rear Seatbelts, Driver and Passenger Pretensioners 💡 Technology Features Infotainment Audio Options: Available premium audio systems (e.g., Infinity Gold), CD players, cassette players. Navigation: Optional factory navigation system available on select trims. Driver Assistance Cruise Control: Standard Tire Pressure Monitoring: Not typically standard on this generation. Connectivity Auxiliary Input: Not standard; aftermarket solutions often used. Usb Port: Not standard. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 - 5,000 miles (5,000 - 8,000 km) or 6 months, depending on driving conditions. Transmission Fluid Change: Every 30,000 - 60,000 miles (48,000 - 96,000 km), depending on driving conditions and fluid type used. Coolant Change: Every 30,000 miles (48,000 km) or 2 years for conventional coolant, or per manufacturer specification for HOAT/OAT coolants. Fluid Specifications Engine Oil Type 4.0L: API Certified SAE 10W-30 (Chrysler MS-6395) Engine Oil Type 4.7L: API Certified SAE 5W-30 (Chrysler MS-6395) Coolant Type: Ethylene Glycol based, typically a Mopar HOAT (Hybrid Organic Additive Technology) or OAT (Organic Additive Technology) coolant. Refer to manual for specific Mopar part number. Brake Fluid: DOT 3 Known Issues Common Problems Engine: Cracked cylinder heads (especially early 4.7L V8), rear main seal leaks, oil filter housing leaks. Common Problems Transmission: Overheating, solenoid pack failures (45RFE/545RFE), torque converter issues. Common Problems Suspension: Worn track bar bushings, ball joint wear, premature failure of control arm bushings, steering stabilizer issues. Common Problems Electrical: Faulty power window regulators, HVAC blower motor resistor failure, ABS sensor failures, instrument cluster issues. Common Problems Body: Rust on rocker panels and rear quarter panels, headliner sagging, interior trim rattles. 📚 Vehicle History Brand Heritage Brand Legacy: Jeep has a long history of producing rugged,...