🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Model Code: WG Year: 2004 👋 Introduction Market Position Segment: Mid-size Luxury SUV / Off-Road Capable SUV Competitive Analysis Competitors 2004: Ford Explorer, Chevrolet TrailBlazer, Toyota 4Runner, Nissan Pathfinder, Land Rover Discovery Key Features Defining Characteristics: Body-on-frame construction, robust four-wheel-drive systems, comfortable interior for its class, respectable off-road capability, strong towing capacity. Target Audience Intended Users: Enthusiast owners performing DIY maintenance and repairs, professional automotive technicians, restoration specialists. Value Proposition Manual Benefit: Enables accurate diagnostics, efficient repairs, and proper maintenance, saving time and money while ensuring vehicle longevity and performance. 📋 Manual Details Coverage Areas Engine Coverage: 4.0L Inline 6-Cylinder (PowerTech), 4.7L V8 (PowerTech), 4.7L V8 HO (High Output) Transmission Coverage: 42RE (4-Speed Automatic), 45RFE / 545RFE (4-Speed/5-Speed Automatic) Drivetrain Coverage: Four-wheel drive systems (Selec-Trac, NV242, NV247, NV231 - if applicable to WG chassis) Suspension Coverage: Front and Rear Suspension (Solid Axle, Independent Front Suspension variations) Brake Coverage: Front and Rear Disc Brakes, ABS System Electrical Coverage: Wiring Diagrams, Lighting, Power Accessories, Diagnostics Body And Chassis Coverage: Body Panels, Interior Trim, Glass, Frame Page Count Estimated Pages: 1500-2000+ (typical for comprehensive service manuals of this era) Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English Format Format: Digital (likely PDF), Print-on-Demand (POD) available 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical and electrical systems, fuel delivery, ignition, cooling, exhaust, transmission, transfer case, differentials, driveshafts, axles. Chassis: Suspension (front and rear), steering, brakes (hydraulic, ABS), wheels, tires. Body And Interior: Body construction, exterior panels, doors, hood, liftgate, windows, interior trim, seats, HVAC system, exterior and interior lighting. Electrical And Electronics: Battery, charging system, starting system, ignition system, lighting, instrument cluster, power windows, locks, mirrors, audio system, wiper/washer system, safety systems (airbags, seatbelts), diagnostic trouble codes (DTCs) and troubleshooting flowcharts. Procedures Included Maintenance: Scheduled maintenance, oil changes, fluid checks and replacements, filter replacements, tune-ups, inspections. Diagnostics: Troubleshooting guides, symptom-based diagnostics, component testing, use of diagnostic tools (e.g., DRB III). Repair: Step-by-step repair procedures for all major components and systems, including engine rebuilds, transmission overhauls, suspension and steering component replacement, brake system service, electrical component repair. Technical Specifications: Torque specifications, clearances, fluid capacities and types, electrical specifications, diagnostic data. Technical Depth Depth: Comprehensive, suitable for professional mechanics and advanced DIYers. Covers everything from routine maintenance to complete engine and transmission overhauls, including detailed diagnostic procedures and wiring diagrams. 📊 Manual Specifications File Format Digital Format: PDF Searchability: Text-searchable PDF with hyperlinked table of contents and cross-references. Print Quality Digital Quality: High-resolution scans for clear diagrams, illustrations, and text. Binding Type Print Binding: Spiral-bound or perfect-bound for lay-flat usability (for physical copies). Paper Type Print Paper: Durable, high-quality paper suitable for workshop environments (for physical copies). ⚙️ Engine Specifications Primary Engine Engine 1: 4.0L (3952cc) SOHC V6 (PowerTech) Engine 1 Bore X Stroke: 98.5 mm x 87.0 mm Engine 1 Compression Ratio: 9.7:1 Engine 1 Horsepower: 195 hp @ 4800 rpm Engine 1 Torque: 230 lb-ft @ 3200 rpm Secondary Engine Engine 2: 4.7L (4701cc) SOHC V8 (PowerTech) Engine 2 Bore X Stroke: 93.0 mm x 86.0 mm Engine 2 Compression Ratio: 9.0:1 Engine 2 Horsepower: 235 hp @ 4750 rpm Engine 2 Torque: 295 lb-ft @ 3200 rpm High Output Engine Engine 3: 4.7L (4701cc) SOHC V8 HO (High Output) Engine 3 Compression Ratio: 10.1:1 Engine 3 Horsepower: 260 hp @ 5000 rpm Engine 3 Torque: 325 lb-ft @ 3800 rpm Performance Engine Management: Sequential Multi-Port Fuel Injection (MPI) Emission Controls: Catalytic Converter, On-Board Diagnostics (OBD-II) Fuel System Fuel Type: Unleaded Gasoline Recommended Octane: 87 (4.0L V6, 4.7L V8), 91 (4.7L V8 HO recommended) 🔧 Transmission Standard Transmission Standard Trans: 42RE 4-Speed Automatic Optional Transmission Optional Trans: 45RFE/545RFE 4-Speed/5-Speed Automatic Features Transmission Features: Electronically controlled, torque converter lock-up, overdrive gear Fluid Specifications Transmission Fluid Type: ATF+4 (MS-9602) Fluid Capacity 42Re Capacity: Approx. 9.0 qts (8.5 L) 45Rfe 545Rfe Capacity: Approx. 10.3 qts (9.7 L) 📐 Dimensions Exterior Wheelbase: 116.0 inches (2949 mm) Length: 187.8 inches (4770 mm) Width: 73.0 inches (1854 mm) Height: 68.7 inches (1745 mm) Ground Clearance: Approx. 8.1 inches (206 mm) Weights Curb Weight Min: 4,279 lbs (1941 kg) - 4.0L 2WD Curb Weight Max: 4,660 lbs (2114 kg) - 4.7L HO 4WD Max Towing Capacity: Up to 6,500 lbs (2948 kg) with appropriate equipment 🛡️ Safety Features Ratings NHTSA Frontal Impact Driver: ★★★★☆ (4/5 Stars) NHTSA Frontal Impact Passenger: ★★★★☆ (4/5 Stars) IIHS Frontal Offset: Good Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Optional Traction Control System (TCS) Stability Control: Not typically available on 2004 model year Passive Features Airbags: Frontal airbags (driver and passenger), Optional side-impact airbags Seatbelts: Three-point seat belts with pretensioners for front occupants, LATCH child seat anchors 💡 Technology Features Infotainment Audio System: Factory AM/FM/CD player, optional Infinity Gold premium...