🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Generation: WJ Model Year: 1999 Codes Platform Code: WJ 👋 Introduction Market Position Vehicle Segment: Mid-size Luxury SUV Competitive Analysis Key Competitors 1999: Ford Explorer, Chevrolet Blazer, Toyota 4Runner, Nissan Pathfinder, Land Rover Discovery Key Features Jeep Heritage: Renowned for off-road capability, comfortable ride, and premium interior appointments in its segment. Wj Generation Distinction: Marked a significant departure from its predecessor with a more refined interior, improved on-road manners, and a wider range of available powertrains. 📋 Manual Details Coverage Areas Primary Markets: North America Page Count Estimated Page Count: Over 2000 pages (typical for full service manuals of this era) Manual Type Type: Full Service & Repair Manual Language Language: English Format Format: Digital (likely PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, engine electrical, fuel system, cooling system, exhaust system, transmission (automatic and possibly manual), transfer case, drive axles, differentials. Chassis: Suspension (front and rear), steering, brakes (front disc, rear disc), wheels and tires. Body & Electrical: Body panels, interior trim, HVAC system, lighting, power accessories (windows, locks, seats), instrument cluster, audio system, body control modules, wiring diagrams. Procedures Included Maintenance: Routine oil changes, filter replacements, fluid checks and top-offs, lubrication, tire rotation. Repair Rebuild: Engine overhaul, transmission rebuilding, differential repair, brake caliper replacement, suspension component replacement, electrical component diagnosis and repair. Troubleshooting: Diagnostic procedures for common symptoms, fault code interpretation, step-by-step diagnostic flowcharts. Technical Specifications: Torque specifications, clearances, fluid capacities, diagnostic data, wiring diagrams, component locations. Technical Depth Depth: Comprehensive, covering everything from basic adjustments to complete engine and transmission rebuilds, including in-depth diagnostic procedures and electrical schematics. 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format) Print Quality Readability: High-resolution scans ensuring clarity of text, diagrams, and illustrations. 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 (PowerTech) Engine 1 Code: AMC 242 Engine 1 Displacement: 3956 cc (242 cubic inches) Engine 1 Bore X Stroke: 98.5 mm x 86.6 mm Engine 1 Compression Ratio: 8.8:1 Engine 1 Horsepower: 185 hp @ 4600 rpm Engine 1 Torque: 220 lb-ft @ 3200 rpm Secondary Engine Engine 2: 4.7L V8 (PowerTech) Engine 2 Code: ECHO Engine 2 Displacement: 4701 cc (287 cubic inches) Engine 2 Bore X Stroke: 93.0 mm x 86.6 mm Engine 2 Compression Ratio: 9.0:1 Engine 2 Horsepower: 220 hp @ 4700 rpm Engine 2 Torque: 275 lb-ft @ 3200 rpm Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) Fuel Type: Unleaded gasoline Engine Management ECU Type: Chrysler NGC (Next Generation Controller) or similar. 🔧 Transmission Standard Transmission Type Standard: 4-speed Automatic (42RE) Transmission Type Standard Engine Match: Paired with 4.0L I6 engine Optional Transmission Type Optional: 4-speed Automatic (45RFE/545RFE) Transmission Type Optional Engine Match: Paired with 4.7L V8 engine (often the 545RFE variant which was an evolution of the 45RFE) Features Transfer Case: Command-Trac NV242 (2WD high, 4WD high, 4WD low) or Select-Trac NV247 (full-time 4WD, 4WD low) depending on trim/options. Fluid Specifications Automatic Transmission Fluid: ATF+4 (Chrysler Material Standard MS-9602) Fluid Capacities Automatic Transmission Fluid Capacity: Approx. 10 quarts (9.5 Liters) for 42RE/45RFE, 11.7 quarts (11.1 Liters) for 545RFE (dry fill, varies with torque converter) 📐 Dimensions Exterior Wheelbase: 116.7 inches (2964 mm) Length: 184.4 inches (4684 mm) Width: 71.3 inches (1811 mm) Height: 66.6 inches (1692 mm) Interior Seating Capacity: 5 Cargo Cargo Volume Behind 2Nd Row: 37.2 cubic feet (1053 Liters) Cargo Volume Max: 75.0 cubic feet (2124 Liters) Weights Curb Weight Range: Approx. 4,100 - 4,500 lbs (1860 - 2041 kg), depending on engine and drivetrain Max Towing Capacity: Up to 5,000 lbs (2268 kg) with optional towing package 🛡️ Safety Features Ratings NHTSA Frontal Driver Side: 4-star (1999 model year) NHTSA Frontal Passenger Side: 4-star (1999 model year) Active Features ABS: Standard 4-wheel Anti-lock Braking System Traction Control: Optional (often part of premium trims or specific packages) Passive Features Airbags: Standard front driver and passenger airbags. Seatbelts: 3-point seat belts with pretensioners for front occupants. 💡 Technology Features Infotainment Audio System Options: Factory AM/FM/CD player, optional premium audio systems (Infinity Gold). Navigation: Optional factory navigation system available on higher trims. Driver Assistance Cruise Control: Standard Connectivity Power Features: Power windows, power door locks, power mirrors, optional power seats. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000-7,500 miles (8,000-12,000 km) or 6 months, whichever comes first (refer to manual for specific oil type and severity of use). Coolant Flush Interval: Every 30,000 miles (48,000 km) or 2 years Transmission Fluid Change Interval: Every 30,000-60,000 miles (48,000-96,000 km), depending on driving conditions (severe service more frequent). Fluid Specifications Engine Oil Specification: SAE 5W-30 (preferred for both 4.0L I6 and 4.7L V8, consult manual for specific requirements and temperature ranges) Coolant Specification: Chrysler HOAT (Hybrid...