🏷️ Basic Information Identification Make: Jeep Model: Wrangler Generation: JK Model Years Covered: 2007, 2008, 2009 Codes Chassis Code: JK 👋 Introduction Market Position Target Audience: DIY enthusiasts and professional mechanics Competitive Analysis Value Proposition: Inexpensive way to maintain and repair vehicle, dealer-level information Key Features Instruction Format: Step-by-step instructions with numbered steps and detailed illustrations Visual Aid Emphasis: Hundreds of photos, drawings, and enlarged inset views for clarity Information Highlighting: Notes, cautions, and warnings pinpoint critical information Navigation: Numbered table of contents for quick information retrieval Delivery Method: Instant high-speed download, no shipping costs or waiting 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Secondary Coverage: Maintenance, Diagnostics, Troubleshooting, Electrical Systems Page Count Estimated Page Count: Approximately 2000+ Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Engine Management: Engine diagnostics, fuel system, ignition system, cooling system, lubrication, emissions control Powertrain: Automatic transmission, manual transmission, clutch, transfer case, propeller shaft, drive shafts, differential, axles Suspension And Steering: Front and rear suspension, steering column, power steering system, tire and wheel specifications Brakes: Brake control system, hydraulic brakes, parking brake Electrical: Charging system, starting system, lighting, instrumentation, multiplex/CAN communication, wiring diagrams HVAC: Air conditioning system diagnosis and repair Safety Systems: Supplemental restraint system (SRS), seat belts, engine immobilizer Body And Interior: Doors, hood, glass, mirrors, instrument panel, seats, exterior and interior trim, door locks, wiper and washer system, horn, cruise control Procedures Included Maintenance Procedures: Scheduled maintenance, fluid changes, filter replacements, inspections Diagnostic Procedures: Troubleshooting guides, diagnostic trouble codes (DTCs) interpretation Repair Procedures: Step-by-step instructions for component removal, installation, and adjustment Electrical Troubleshooting: Detailed wiring diagrams, circuit testing, component testing Technical Depth Depth: Comprehensive from basic maintenance to complete engine and transmission rebuilds 📊 Manual Specifications File Format File Type: PDF Print Quality Printability: All pages are printable Binding Type Binding: Digital Download (not physically bound) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: 3.8L V6 (231 cu. in.) OHV Engine Code Typical: EGV Performance Horsepower 3.8L: 202 hp @ 5200 rpm Torque 3.8L: 237 lb-ft @ 4000 rpm Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded gasoline Engine Construction Block Material: Cast Iron Cylinder Head Material: Aluminum Engine Components Timing Drive: Timing Chain Oil Capacity: 5.7 quarts (5.4 liters) with filter change Coolant Capacity: 12.3 quarts (11.6 liters) - 3.8L 🔧 Transmission Standard Standard Transmission: 6-speed manual transmission Optional Optional Transmission: 4-speed automatic transmission Features Transfer Case: Command-Trac NV241G (standard), Rock-Trac NV241OR (Rubicon) Automatic Transmission Fluid Type: ATF+4 (Mopar) Manual Transmission Fluid Type: MS-9224 (GL-3/GL-4 equivalent for NV3550) 📐 Dimensions Exterior Wheelbase 2-Door: 95.4 inches (2423 mm) Wheelbase 4-Door Unlimited: 116.0 inches (2946 mm) Length 2-Door: 169.2 inches (4300 mm) Length 4-Door Unlimited: 183.4 inches (4658 mm) Width Body: 73.7 inches (1872 mm) Height 2-Door: 70.9 inches (1801 mm) Ground Clearance 2-Door: 9.7 inches (246 mm) Weights Curb Weight 2-Door Manual: Approx. 4,180 lbs (1896 kg) Gross Vehicle Weight Rating 2-Door: Approx. 5,350 lbs (2427 kg) 🛡️ Safety Features Ratings NHTSA Rollover Rating 2-Door: 4 out of 5 stars IIHS Crash Test Results: Good in front and side impact tests (varies by year and specific test) Active Features Electronic Stability Control: Standard Traction Control: Standard Anti-Lock Braking System: Standard Passive Features Airbags Standard: Front driver and passenger airbags Seatbelts: 3-point front and rear seat belts 💡 Technology Features Infotainment Infotainment Options Early Jk: Basic AM/FM/CD player, optional Infinity speaker system, optional navigation (MyGIG system) Driver Assistance Driver Assistance Features: Limited; primarily focused on core driving dynamics rather than advanced electronic aids Connectivity Connectivity Features: Optional Uconnect hands-free communication (with MyGIG system) 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750 miles (6,000 km) or 6 months for severe duty, 7,500 miles (12,000 km) or 12 months for normal duty (check manual) Tire Rotation Interval: Every 7,500 miles (12,000 km) Coolant Flush Interval: Every 60,000 miles (96,000 km) or 5 years Spark Plug Replacement Interval: Approx. 100,000 miles (160,000 km) for platinum plugs Fluid Specifications Engine Oil Specification: SAE 5W-30 API SN or higher Coolant Specification: Mopar OAT (Organic Additive Technology) Antifreeze/Coolant, HOAT compatible Brake Fluid Specification: DOT 3 Known Issues Common Issues 3.8L Engine: Water pump leaks, minor oil leaks, head gasket concerns (less common in this era) Common Issues Transmission: Clutch wear (manual), valve body issues (automatic - less frequent in early JK) Common Issues Suspension: Steering stabilizer issues, ball joint wear, track bar bushings Common Issues Electrical: Clock spring failure (airbag/horn), TIPM (Totally Integrated Power Module) issues (more prominent in later JK models but can be present) Common Issues Body: Wrangler leak concerns (top/doors), door hinge rust 📚 Vehicle History Brand Heritage Jeep Legacy: Long lineage of off-road capable vehicles, originating from military origins...