🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Generation: WJ Year: 2004 👋 Introduction Market Position Target Audience: DIY enthusiasts and professional mechanics seeking dealership-level repair information. Competitive Analysis Advantage: Provides the same depth of information as dealer service manuals at a fraction of the cost and with instant availability. Key Features Diy Focus: Specifically written for the do-it-yourselfer with clear, step-by-step instructions. Cost Effectiveness: Inexpensive way to keep the vehicle working properly and avoid costly dealership repairs. Accessibility: Instant download, no shipping delays or costs for physical media. Content Organization: Numbered table of contents and bold figure numbers for quick information retrieval. 📋 Manual Details Coverage Areas Primary Coverage: Complete service and repair for 2004 Jeep Grand Cherokee WJ Scope: All major vehicle systems and components Page Count Estimated Pages: Over 2000 (typical for a full service manual of this era, though exact digital count not provided) Manual Type Type: Factory Authorized Service Manual / Repair Manual Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed procedures for engine disassembly, assembly, inspection, and repair for all WJ powertrains. Engine Performance: Fuel system, ignition system, cooling system, lubrication system, air intake, and exhaust system diagnostics and repair. Transmission Automatic: Service and repair for the 45RFE and 545RFE automatic transmissions, including valve body, torque converter, and electronic controls. Transmission Manual: Service and repair for the NV3550 manual transmission, if applicable to specific 2004 models. Drivetrain: Transfer case (NV242, NV247, NV249 variations), differentials (front and rear), axles, drive shafts, and U-joints. Suspension Steering: Front and rear suspension components (control arms, springs, shocks, bushings), steering system (rack and pinion, power steering pump, linkages). Brakes: Front and rear brake systems (disc brakes), ABS diagnostics and repair, parking brake system. Electrical System: Comprehensive wiring diagrams, charging system (alternator, battery), starting system, lighting, power distribution, and accessory circuits. Climate Control: HVAC system operation, diagnosis, and repair, including A/C system recharge and component replacement. Safety Systems: Supplemental Restraint System (SRS) - Airbags and seat belt pretensioners, diagnosis, and component replacement. Body Interior: Body panel removal and installation, door mechanisms, interior trim, seats, glass, and mirrors. Body Exterior: Bumpers, fenders, hood, liftgate, exterior lighting, and trim. Instrumentation Controls: Instrument cluster operation, gauges, warning lights, cruise control, and driver controls. Multiplex Communication: Diagnosis and repair of CAN (Controller Area Network) communication systems and related modules. Procedures Included Maintenance: Scheduled maintenance procedures, fluid level checks, filter replacements, tune-ups. Troubleshooting: Systematic diagnostic procedures for common and uncommon faults, guided by symptom charts and wiring diagrams. Repair Rebuild: Detailed step-by-step instructions for component removal, repair, reassembly, and installation, from minor fixes to major overhauls. Diagnostics: Diagnostic Trouble Codes (DTCs) interpretation, scan tool usage, and electrical circuit testing. Specifications: Torque specifications, clearances, fluid capacities, and other critical technical data for all procedures. Technical Depth Depth: Comprehensive, covering from basic fluid changes to complete engine and transmission rebuilds. Detail Level: Highly detailed with substeps, notes, cautions, and warnings for critical information. Illustrations: Hundreds of photos, drawings, and enlarged inset illustrations to clarify procedures and parts identification. Wiring Diagrams: Detailed, integrated wiring diagrams for ease of electrical system diagnosis and repair. 📊 Manual Specifications File Format Format: PDF Compatibility: All PC-based Windows operating systems, Mac, and Linux. Print Quality Printable: Yes, all pages are printable. Binding Type Binding: Not Applicable (Digital Download) Paper Type Paper Quality: Not Applicable (Digital Download) Requirements Software Requirements: WinZip (for extraction), Adobe PDF Reader. ⚙️ Engine Specifications Primary Engine Engine Options: 4.0L I6 (PowerTech) and 4.7L V8 (High Output/HO) Performance 4.0L I6 Horsepower: 190 hp @ 4600 rpm (approx.) 4.0L I6 Torque: 235 lb-ft @ 3200 rpm (approx.) 4.7L V8 Horsepower: 235 hp @ 4750 rpm (Standard), 265 hp @ 5500 rpm (HO) 4.7L V8 Torque: 295 lb-ft @ 3200 rpm (Standard), 330 lb-ft @ 3700 rpm (HO) Fuel System Fuel Delivery: Multi-port Fuel Injection (MPI) Fuel Type: Unleaded gasoline Cooling System Coolant Type: Mopar Antifreeze/Coolant (MS-9769) or equivalent (Orange) 🔧 Transmission Standard Transmission Type I6: 4-speed automatic (45RFE) Transmission Type V8: 4-speed automatic (45RFE standard, 545RFE optional/later) Optional Manual Transmission: 5-speed manual (NV3550) available on some I6 models. Features Transfer Case Options: Selec-Trac (NV242), Quadra-Trac II (NV247), Quadra-Drive (NV247 with ELSD) Fluid Specifications Automatic Transmission Fluid: ATF+4 (MS-9602) Manual Transmission Fluid: Mopar Manual Transmission Lubricant (MS-9224) or equivalent (API GL-3) 📐 Dimensions Exterior Wheelbase: 116.1 inches (2950 mm) Length: 184.0 - 187.3 inches (4674 - 4758 mm) Width: 74.5 inches (1892 mm) Height: 67.5 - 68.4 inches (1715 - 1737 mm) Weights Curb Weight Approx: 4,200 - 4,700 lbs (1905 - 2132 kg) depending on configuration 🛡️ Safety Features Ratings NHTSA Front Impact: 4 stars (driver and passenger, 2003 test) IIHS Side Impact: Acceptable (2003 test) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Optional on some models, part of...