🏷️ Basic Information Identification Make: Jeep Model: Wrangler Model Code: JK Years Covered: 2007, 2008, 2009 Codes Chassis Code: JK 👋 Introduction Market Position Category: Off-road SUV Segment: Compact/Mid-size SUV Competitive Analysis Key Competitors 2007-2009: Toyota FJ Cruiser, Nissan Xterra, Hummer H3, Ford Bronco (older generations), Suzuki Grand Vitara Key Features Design Philosophy: Iconic Jeep design, rugged capability, removable doors and roof, solid axles (front and rear - earlier JK models may differ slightly in some configurations) Target Audience: Off-road enthusiasts, adventure seekers, those who value durability and open-air driving. 📋 Manual Details Coverage Areas Engine Coverage: 3.8L V6 Transmission Coverage: 42RLE Automatic, NV3550 Manual Chassis Coverage: All models and trims Page Count Estimated Pages: 2000+ Manual Type Type: Complete Workshop Service Repair Manual Language Language: English Format Format: Downloadable Digital Manual (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine, Fuel System, Exhaust System, Transmission, Drivetrain, Differentials, Axles Chassis: Suspension (Front & Rear), Steering, Brakes (ABS, Parking Brake), Frame & Body Electrical: Wiring Diagrams, Battery, Charging System, Ignition System, Lighting, Instrumentation, Body Control Modules, Powertrain Control Modules (PCM) Comfort And Convenience: HVAC, Seats, Doors, Windows, Mirrors, Wipers, Locks, Audio System Procedures Included Maintenance: Oil Changes, Filter Replacements, Fluid Checks & Changes, Spark Plug Replacement, Belt Inspections Repair: Engine Overhaul, Transmission Rebuild, Brake Caliper Replacement, Suspension Component Replacement, Electrical Component Diagnosis & Repair Diagnostics: Troubleshooting guides, DTC (Diagnostic Trouble Code) explanations, symptom-based diagnostics Technical Specifications: Torque specifications, clearances, fluid capacities, electrical schematics Technical Depth Depth: Comprehensive, from basic fluid checks to complete engine and transmission overhauls, including detailed diagnostic procedures. 📊 Manual Specifications File Format File Type: PDF Searchability: Fully searchable text content Print Quality Printability: Printable on demand Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Name: Chrysler ERB V6 Displacement: 3.8 Liters (3778 cc) Configuration: Naturally Aspirated, SOHC, 12-Valve V6 Performance Horsepower: 202 hp @ 5200 rpm (approx.) Torque: 237 lb-ft @ 4000 rpm (approx.) Fuel System Induction: Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded Gasoline Recommended Octane: 87 Octane Cooling System Coolant Type: Mopar Antifreeze/Coolant (OAT - Organic Additive Technology) or equivalent, typically HOAT purple or orange depending on service history. Lubrication Oil Type: SAE 5W-30 Oil Capacity: 5 Quarts (4.7 Liters) with filter change (approx.) 🔧 Transmission Standard Type: 42RLE 4-Speed Automatic Optional Type: NV3550 5-Speed Manual Features Automatic Transmission Fluid: ATF+4 (MS-9602) Manual Transmission Fluid: MS-9224 SAE 75W-90 Synthetic Gear Lubricant Transfer Case Type: NV241 GHC Command-Trac (2-speed, part-time 4WD) Transfer Case Fluid Fluid Type: MS-9224 SAE 75W-90 Synthetic Gear Lubricant 📐 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 (4660 mm) Width Excluding Mirrors: 73.7 inches (1872 mm) Height To Top Of Hardtop: 70.1 inches (1780 mm) Ground Clearance: 10.5 inches (267 mm) (approx., depending on trim and tires) Weights Curb Weight 2 Door: 4,117 lbs (1,867 kg) (approx.) Curb Weight 4 Door Unlimited: 4,465 lbs (2,025 kg) (approx.) Towing Capacity: 2,000 lbs (907 kg) for 2-door, 3,500 lbs (1,588 kg) for 4-door Unlimited Payload Capacity: 800-1000 lbs (approx.) 🛡️ Safety Features Ratings NHTSA Front Driver Impact: 4 stars (for 2007 model year, may vary slightly for subsequent years) NHTSA Front Passenger Impact: 4 stars (for 2007 model year, may vary slightly for subsequent years) IIHS Moderate Overlap Frontal Offset: Good (for 2007 model year, may vary slightly for subsequent years) Active Features ABS: Standard 4-wheel disc brakes with ABS Traction Control: Standard Electronic Stability Control (ESC) including Traction Control (TC) and Roll Mitigation Passive Features Airbags: Front driver and passenger airbags, available side curtain airbags (depending on trim and configuration) Rollover Protection: Integrated roll bar structure 💡 Technology Features Infotainment Audio System: Base AM/FM/CD stereo; optional Infinity sound system, SiriusXM Satellite Radio, navigation system (Uconnect system introduced later). Driver Assistance Standard Features: ABS, ESC, Traction Control, Hill Start Assist (on manual transmission models). Connectivity Auxiliary Input: Standard auxiliary audio input jack (3.5mm) on most models. 🔧 Maintenance Service Intervals Oil Change Interval: Every 6,000 miles (9,600 km) or 6 months, whichever comes first, under normal driving conditions. Severe duty may require more frequent changes. Engine Air Filter Replacement: Every 30,000 miles (48,000 km) or as needed based on inspection. Spark Plug Replacement: Every 100,000 miles (160,000 km) for Iridium spark plugs (if equipped). Transmission Fluid Change Automatic: Every 60,000 miles (96,000 km) or 60 months, inspect more frequently under severe use. Transmission Fluid Change Manual: Every 60,000 miles (96,000 km) or 60 months, inspect more frequently under severe use. Fluid Specifications Brake Fluid: DOT 3 Power Steering Fluid: CHRYSLER MS-5901 or equivalent Known Issues Engine Lifters: Some early 3.8L V6 engines have reported issues with noisy lifters (though less common than...