🏷️ Basic Information Identification Make: Jeep Model: Grand Cherokee Model Generation: WK Codes Model Code: WK Vin Code: 4th digit J or 6 👋 Introduction Market Position Segment: Mid-size Luxury SUV Target Audience: Families, off-road enthusiasts, luxury SUV buyers seeking capability and comfort. Competitive Analysis Key Competitors: Ford Explorer, Toyota 4Runner, Chevrolet Trailblazer, Lexus RX, BMW X5, Mercedes-Benz M-Class. Key Features Strengths: Off-road capability (Quadra-Lift air suspension, advanced 4WD systems), powerful HEMI engine options, comfortable interior, towing capacity. Weaknesses: Fuel economy (especially with V8 engines), interior materials quality compared to some German rivals, potential for electronic gremlins in later years. 📋 Manual Details Coverage Areas Vehicle Years Covered: 2005, 2006, 2007, 2008 Engine Variants Covered: 3.7L V6, 4.7L V8, 5.7L HEMI V8, 6.1L HEMI V8 (SRT8) Trim Levels Covered: Laredo, Limited, Overland, SRT8 Page Count Estimated Pages: Approximately 2500-3000 (typical for comprehensive service manuals of this era) Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, lubrication, cooling system, ignition system, exhaust system, engine control systems (PCM/ECM), transmission (automatic, NV245/NV140/NV240 transfer cases), final drive, axles, driveshafts. Chassis: Suspension (front and rear independent), steering system, braking system (ABS, ESP), wheels and tires. Body And Trim: Body construction, exterior and interior trim, doors, windows, glass, sunroof, seats, HVAC system, power accessories (mirrors, seats, windows, locks). Electrical: Battery, charging system, starting system, lighting (headlamps, taillamps, interior), instrument cluster, body control module (BCM), power distribution, infotainment system, comfort and convenience features, diagnostic trouble codes (DTCs), wiring diagrams. Procedures Included Maintenance: Scheduled maintenance intervals, fluid checks and changes (engine oil, coolant, transmission fluid, brake fluid, power steering fluid, differential fluid), filter replacements, tire rotation and pressure checks. Diagnostics: Troubleshooting guides, diagnostic procedures for all major systems, symptom-based diagnostics, use of diagnostic scan tools (e.g., STARSCAN). Repair: Detailed step-by-step repair procedures for all mechanical and electrical components, including engine overhaul, transmission service, brake caliper replacement, suspension component repair, electrical component replacement, body panel repair. Specifications: Torque specifications for fasteners, fluid capacities, component clearances, diagnostic parameters, electrical specifications, alignment specifications. Technical Depth Depth: Comprehensive, covering everything from routine maintenance and fluid checks to complete engine and transmission rebuilds, advanced electrical diagnostics, and bodywork repairs. Includes detailed wiring diagrams and component locations. 📊 Manual Specifications File Format Format: PDF Searchability: Searchable text for quick information retrieval. Printability: Printable pages for in-garage use. Print Quality Image Resolution: High-resolution diagrams, illustrations, and photographs. Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine 3.7L V6: 210-215 hp @ 5200-5500 rpm, 235-240 lb-ft @ 4000 rpm (SOHC, 12 valves) 4.7L V8: 235-255 hp @ 4900-5000 rpm, 290-325 lb-ft @ 3200-3500 rpm (SOHC, 16 valves) 5.7L Hemi V8: 325-357 hp @ 5000-5200 rpm, 375-390 lb-ft @ 4000-4400 rpm (OHV, 16 valves, MDS - Multi-Displacement System) 6.1L Hemi V8 (Srt8): 420 hp @ 6000 rpm, 420 lb-ft @ 4800 rpm (OHV, 16 valves) Performance 0-60 Mph Estimates: Ranges from ~7.0s (5.7L HEMI) to ~9.5s (3.7L V6). Fuel System Injection Type: Sequential Multi-Port Fuel Injection (MPI) Recommended Fuel: 87 octane (3.7L, 4.7L). 89 octane recommended for 5.7L HEMI, 91+ octane for 6.1L HEMI SRT8. 🔧 Transmission Standard Transmission Type: 5-speed automatic (W5A580 - Mercedes-Benz derived for 4.7L, 5.7L, 6.1L; 45RFE for 3.7L). Optional Transfer Case Options: NV140 (2WD), NV240 (Full-time 4WD), NV245 (Full-time 4WD with Selec-Trac II), QDII (Quadra-Drive II - includes electronic limited-slip differentials). Features Transmission Modes: Auto, Tow/Haul mode. 📐 Dimensions Exterior Length: 188.8 inches Width: 74.8 inches Height: 69.9 inches Wheelbase: 116.1 inches Interior Passenger Volume: ~105 cu. ft. Cargo Cargo Volume Behind Rear Seat: ~35 cu. ft. Cargo Volume With Rear Seat Folded: ~70 cu. ft. Weights Curb Weight Est: ~4,500 - 5,000 lbs (depending on engine and drivetrain) Max Towing Capacity: Up to 7,200 lbs (with appropriate towing package and engine) 🛡️ Safety Features Ratings NHTSA Frontal Crash Test: 5-star (driver and passenger) NHTSA Side Impact Crash Test: 5-star (front and rear passengers) Active Features Electronic Stability Control: Standard (ESP - Electronic Stability Program) Traction Control: Standard (TCS - Traction Control System) Anti-Lock Brakes: Standard (ABS - Anti-lock Braking System) Passive Features Airbags: Standard front airbags, available side-curtain airbags. Seat Belts: 3-point front and rear seat belts with pretensioners. 💡 Technology Features Infotainment Available Systems: Chrysler's MyGig infotainment system (optional, with navigation, SIRIUS Satellite Radio, CD/DVD changer, Uconnect hands-free communication). Audio Options: Boston Acoustics premium sound system (optional). Driver Assistance Parking Assist: ParkSense (rear park assist sensors). Navigation: Optional GPS navigation system integrated into MyGig unit. Connectivity Bluetooth: Uconnect Bluetooth hands-free communication (optional). 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 6 months, whichever comes first (with synthetic blend or synthetic oil). Tire Rotation: Every 7,500 miles. Coolant Flush: Every 5...